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Cummins/Onan QSK60-G7 Engine

The Cummins/Onan QSK60-G7 is a 60 L 16-cylinder turbocharged, after-cooled engine rated at 1500 rpm. It powers generator sets from Cummins/Onan, including the C2000D2R and QSK60.

Also known as: Cummins QSK60-G7

Part of the Cummins/Onan QSK60 engine family — 31 variants share parts & fitment.

60.0 L

Displacement

Cylinders

1500 rpm

Rated speed

On this pageSpecs Generator sets FAQ Service intervals Torque & specs Fluids Fault codes Procedures Wiring

Engine specifications

Displacement	60.0 L
Cylinders	16
Aspiration	Turbocharged, After-cooled
Rated speed	1500 rpm

Generator sets powered by this engine

Cummins/Onan C2000D2RCummins/Onan QSK60

How to read your Cummins/Onan engine serial & model number →

Common problems

Overspeed OS
Low Oil Pressure LOP
High Engine Temperature Shutdown Fault 1
High Engine Temperature HET

Compiled from service & troubleshooting documentation across every generator set that uses the Cummins/Onan QSK60-G7.

Service intervals

Item	Action	Hours	Months	Notes
Air cleaner restriction indicator	Check	8 hr		Daily 8 Hours; if indicator shows red, replace elements and reset indicator
Charge alternator	Check	8 hr		Daily 8 Hours
Control panel operation	Check	8 hr		Daily 8 Hours
Coolant level of radiator(s) (water jacket & LTA)	Check	8 hr		Daily 8 Hours
Crankcase breather tube/collector	Drain	8 hr		Daily 8 Hours; check for condensed oil
Emergency stop button operation	Test	8 hr		Daily 8 Hours; with genset running
Engine coolant heater	Check	8 hr		Daily 8 Hours
Engine oil level	Check	8 hr		Daily 8 Hours
Exhaust components and hardware	Check	8 hr		Daily 8 Hours
Fuel level in tank	Check	8 hr		Daily 8 Hours
Fuel system primary filter/water separator	Drain	8 hr		Daily 8 Hours; drain one cup or more
Air intake system (leaks)	Inspect	50 hr		Weekly 50 Hours
All hardware (fittings, clamps, fasteners)	Check	50 hr		Weekly 50 Hours
Coolant lines and radiator hoses	Check	50 hr		Weekly 50 Hours
Cooling fan blades	Inspect	50 hr		Weekly 50 Hours
Drive belt condition and tension	Check	50 hr		Weekly 50 Hours
Exhaust condensation trap	Drain	50 hr		Weekly 50 Hours
Fuel lines and hoses	Check	50 hr		Weekly 50 Hours; check before starting and again with genset running
Generator set enclosure	Check	50 hr		Weekly 50 Hours
Air cleaner housing	Clean	250 hr	6 mo
Anti-freeze and DCA concentration	Check	250 hr	12 mo
Battery electrolyte level	Check	250 hr	12 mo	Also at least every month or 100 hours of operation, whichever occurs first
Engine ground	Check	250 hr	6 mo	Clean as necessary
Engine/Alternator flexible rubber coupling	Inspect	250 hr	6 mo
Fuel system filters	Replace	250 hr	6 mo
Lubricating oil	Test	250 hr	6 mo	First service — For high horsepower engines with Eliminator™ oil filter option: take oil samples every 250 hours and analyze per Cummins Engine Oil Recommendations Bulletin 3810340; repeat for at least three oil change intervals.
Lubricating oil and filters	Change	250 hr	6 mo
Radiator air flow	Check	250 hr	6 mo
Radiator core	Clean	250 hr	12 mo	Schedule may be reduced depending on operating conditions/environment
Water separator element	Replace	250 hr	6 mo
Generator set fuel system filters (Single Fuel Filter)	Replace	1000 hr	12 mo
Bearings	Lubricate	1500 hr	12 mo	Re-grease bearings
ELIMINATOR self cleaning filter core	Other	1500 hr		Requires servicing only every 1,500 hours. Saves up to 90% of lube system maintenance costs and increases productivity.
Engine mounts	Check	1500 hr	12 mo
Pre-lube system (if fitted)	Check	1500 hr	12 mo	Check for leaks and cracks
Starting motor	Check	1500 hr	12 mo
Aftercooler core	Check	2000 hr	12 mo
Coolant filter	Change	2000 hr	12 mo
Coolant heater	Check	2000 hr	12 mo
Fan drive idler arm and fan belt tensioner	Check	2000 hr	12 mo

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Service specifications

Type	Item	Value	Unit	Condition
Gap	Magnetic pickup to ring gear tooth clearance	0.71 to 1.07	mm
Other	AC waveform THD (THDV)	< 5	%	no load to full linear load
Other	Analog meter driver output current	0 to 1	mA
Other	BMEP at set rated load (prime)	1885	kPa	prime rating
Other	BMEP at set rated load (standby)	2109	kPa	standby rating
Other	Battery CCA (minimum)	2200	CCA	battery specification
Other	Battery electrolyte specific gravity charge threshold	1.215	SG	charge battery if reading is below
Other	Battery electrolyte specific gravity, fully charged	1.260	SG	corrected to 25 °C (77 °F)
Other	Breaker fail to synchronize default time delay	120	s	adjustable 10–900 s
Other	DB9F-DB9M serial cable length (Part Number 4918418)	1.83	M
Other	Derate above 1402 m (4600 ft) / 40 °C	4.5% per 305 m (1000 ft) and 11.0% per 10 °C (18 °F)		standby and prime
Other	Driver type	Low-Side (switched GND/Open)
Other	ECM maximum operating current	6.0 @ +24VDC (HPI-PT ECM); 7.2 @ +18VDC (HPI-TP ECM)	A
Other	Extension DB9F to DB9M length (Part Number 3162851)	30.48	M
Other	Frequency adjust range	±9	Hz
Other	Governor gain adjust range	0.05 to 10.00
Other	High AC voltage shutdown default	110%	% of nominal voltage	for 10 s; adjustable 105–125%, 0.1–10 s
Other	INLINE™5 datalink adapter current requirement	250	mA	at +8 VDC to +50 VDC
Other	Instantaneous pickup (Ii) range (Micrologic 3.0 and 5.0)	1.5–12 x In	x In
Other	Long-time delay tr	0.5–24	s	at 6 x Ir
Other	Long-time pickup (Ir) adjustment range	0.4–1.0 x In	x In	sensor plug rating In
Other	Low AC voltage shutdown default	85%	% of reference voltage	for 10 s; adjustable 50–95%, 2–20 s
Other	Maximum sink current (driver ON)	200	mA
Other	Maximum supply current (lamp/relay driver supply)	1.5	A
Other	Open circuit fault current (driver ON)	< 2	mA
Other	Output accuracy	< ±0.5	% of Full Scale	@ 100Ω meter load
Other	Output resolution	< 0.5	% of Full Scale	@ 100Ω meter load
Other	Over frequency shutdown/warning default	6	Hz above nominal	for 20 s, disabled; adjustable 2–10 Hz above set point, 1–20 s
Other	Over load (kW) warning default	105%	% of rated kW	adjustment range 80–140%, 0–120 s delay; default 60 s
Other	Piston speed	11.4	m/s
Other	Reverse Var shutdown default	20%	% of rated Var	for 10 s; adjustable 15–50%, 10–60 s
Other	Reverse power shutdown default	10%	% of standby kW	for 3 s; adjustable 5–20%, 1–15 s
Other	Short circuit protection threshold	175%	% of rating	output current on any phase
Other	Speed droop adjust range	0 to 10	%
Other	Switch input maximum source current	100	mA	when input is connected to signal GND return
Other	Telephone Harmonic Factor (THF)	< 3
Other	Telephone Influence Factor (TIF)	< 50	per NEMA MG1-22.43
Other	USB cable length (Part Number 4918419)	2	M
Other	USB cable length (Part Number 4918591)	5	M
Other	Under frequency shutdown default	6	Hz below reference	for 10 s; adjustable 2–10 Hz below set point, 5–20 s
Other	Water quality - Calcium, Magnesium (hardness) maximum	170	ppm (as CaCO3)	cooling system make-up water
Other	Water quality - Chloride maximum	40	ppm (as Cl)	cooling system make-up water
Other	Water quality - Sulfate maximum	100	ppm (as SO4)	cooling system make-up water
Other	Wire stripping length	1.38 In (35 mm)	in
Pressure	BMEP at set rated load	2413 (350)	kPa (psi)	standby rating
Pressure	Maximum air cleaner restriction	6.2	kPa
Pressure	Maximum back pressure	6.8	kPa	exhaust
Pressure	Maximum back pressure	6.8 (27)	kPa (in H2O)
Pressure	Maximum cooling air flow static restriction	0.12	kPa
Pressure	Maximum fuel inlet restriction	16.9 (5)	kPa (in Hg)
Pressure	Maximum fuel inlet restriction	30	kPa
Pressure	Maximum fuel return line restriction	34	kPa
Pressure	Maximum fuel return line restriction	34 (10)	kPa (in Hg)
Resistance	GCS ECM internal fixed resistor on remote gain/droop input	2.87	k Ohm
Resistance	Maximum driver impedance (driver ON)	1	Ω
Resistance	Maximum meter load impedance	100	Ω
Resistance	Maximum potentiometer resistance	5K	Ω	± 5%
Resistance	Maximum supply impedance (lamp/relay driver supply)	0.5	Ω
Resistance	Suggested remote gain/droop potentiometer	5	k Ohm	suggested per Generator-Drive Control System Application Manual
Speed	Default cranking/rest start cycle	15 seconds cranking, 30 seconds rest	seconds	default 3 start cycles

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Recommended fluids

Fluid	Grade	Standard	Notes
Coolant	50/50 mixture of high-quality water (distilled or deionized) and fully formulated antifreeze (ethylene glycol or propylene glycol); Fleetguard® coolant containing DCA4	Cummins Engineering Standard 14603	If not using Fleetguard Compleat antifreeze or equivalent, add DCA4
Engine oil		Cummins Engine Oil Recommendations Bulletin 3810340	Used to analyze oil samples for high horsepower engines with Eliminator™ oil filter option.
Engine oil	high-quality multi-viscosity lubricating oil (e.g. Cummins Premium Blue® or equivalent)		Consult authorized distributor for correct specification for operating conditions; special running-in oils not recommended
Fuel	ASTM D975 No. 2-D	ASTM D975	Cetane number: 40-50. 300-500 ppm Sulfur. Fuel inlet temperature 40°C (104°F) reference.
Fuel	ASTM D975 No. 2-D, 300-500 ppm Sulfur	ASTM D975	Cetane number: 40-50. Reference conditions: air inlet temperature 25 °C (77 °F), fuel inlet temperature 40 °C (104 °F)
Fuel	ASTM No. 2D diesel, minimum Cetane number 40; alternative BS 2869:2010+A1:2011	ASTM No. 2D	Higher cetane numbers may be needed at high altitude or very low ambient temperature
Fuel	B100 biodiesel	ASTM D6751	Must conform prior to blending; revised to include a cold soak test; stability requirement still in effect.
Fuel	B20 biodiesel blend	ASTM D7467	Applies to biodiesel blends B6–B20; includes oxidation stability requirement; replaces Cummins' previous EMA B20 specification requirement. Must be purchased from a BQ9000 Certified Marketer; B100 must be sourced from a BQ9000 Accredited Producer.
Fuel	B5 biodiesel		All Cummins automotive and industrial engines are compatible with B5 biodiesel.
Fuel	Diesel	IS:1460	Specific gravity 0.85; fuel consumption tolerance +5%
Fuel	No. 2-D diesel	ASTM D975	40-48 cetane
Fuel	biodiesel (Europe)	EN 14214	Published by CEN, European Committee for Standardization. Equivalent biodiesel specifications required internationally.

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Fault codes

Code	Name	Meaning	Severity	Action
27	Low AC voltage shutdown	Voltage on any phase has dropped below a preset value.	Shutdown	Adjustable 50-95% of reference voltage, time delay 2-20 seconds; default 85% for 10 seconds.
32	Reverse power shutdown	Reverse power detected.	Shutdown	Adjustment range 5-20% of standby kW rating, delay 1-15 seconds; default 10%, 3 seconds.
40	Reverse Var shutdown	Reverse reactive power detected.	Shutdown	Adjustable 15-50% of rated Var output, delay 10-60 seconds; default 20%, 10 seconds.
46	Negative sequence overcurrent warning	Excessive imbalances in the three phase load currents and/or power factors.	Warning	Control protects generator from damage due to phase imbalance.
51	Overcurrent warning/shutdown	Implementation of the thermal damage curve with instantaneous trip level based on CT ratio and application power rating.	Shutdown	AmpSentry protective relay action; see document R1053 time over current curve.
51G	Ground fault overcurrent	Detects a ground fault via external ground fault relay contact input or measured ground current from external CT.	Shutdown	Time delays and thresholds adjustable via InPower or HMI.
59	High AC voltage shutdown	Output voltage on any phase exceeds preset values; trip time inversely proportional to amount above threshold.	Shutdown	Adjustable 105-125% of nominal voltage, time delay 0.1-10 seconds; default 110% for 10 seconds.
81 u	Under Frequency Shutdown	Genset output frequency cannot be maintained. Adjustable 2-10 Hz below reference governor set point, time delay 5-20 s. Default 6 Hz, 10 s.	Shutdown
81o	Over frequency shutdown/warning	Genset is operating at a potentially damaging frequency level.	Warning	Adjustable 2-10 Hz above nominal governor set point, 1-20 second delay; default 6 Hz, 20 seconds, disabled.
81u	Under frequency shutdown	Genset output frequency cannot be maintained.	Shutdown	Adjustable 2-10 Hz below reference governor set point, 5-20 second delay; default 6 Hz, 10 seconds.
111	Internal ECM Failure		Shutdown
115	Eng Crank Sensor Error		Shutdown
143	Low Oil Rifle Pressure	Engine oil pressure has dropped below the warning trip point.	Warning	If powering critical loads and cannot be shut down, wait until the next shutdown period and follow fault code 415 procedure.
144	High Coolant 1 Temp	Engine has begun to overheat and coolant temperature has risen to an unacceptable level.	Warning	Review fault code 151 correction list for other possible causes.
145	Low Coolant 1 Temp	Engine coolant temperature below the low coolant temperature warning threshold.	Warning	If powering critical loads and cannot be shut down, wait until next shutdown and follow fault code 1435 procedure.
146	Pre-High Engine Coolant Temperature	Engine operating near cooling system capacity.	Warning	Review fault code 151 correction list for other possible causes.
151	High Coolant Temp	Engine has overheated (coolant temperature above shutdown trip point or coolant level low).	Shutdown	Look for coolant leaks and repair; check and replenish coolant; check for cooling airflow obstructions; check fan belt; check blower fan and circulation pumps; reset and restart.
155	High Intake Manf 1 Temp	Intake manifold temperature has risen above the shutdown trip point; large load or high ambient temperature may be the cause.	Shutdown	Review fault code 151 correction list.
196	Low Coolant 1 Level	Engine coolant level has fallen below the trip point.	Warning	Look for coolant leaks and repair; check and replenish coolant; reset and restart.
197	Low Coolant Level	Engine coolant level has fallen below the trip point.	Warning	Look for coolant leaks and repair; check and replenish coolant; reset and restart.
234	Crankshaft Speed High	Overspeed - critical shutdown fault that suspends Battle Short mode.	Shutdown
235	Low Coolant Level	Low Coolant Level input active and threshold response set to Shutdown.	Shutdown	Look for coolant leaks and repair; check and replenish coolant; reset and restart.
359	Fail To Start	Possible fault with control or starting system (engine cranks but fails to start).	Shutdown	Check for empty fuel tank, leaks or blocked lines; check/replace dirty fuel filter; check/replace blocked air filter; clean and tighten battery connections; recharge or replace battery; reset and restart.
415	Low Oil Rifle Press	Engine oil pressure has dropped below the shutdown trip point.	Shutdown	Check oil level, lines and filters; replenish oil if low; reset and restart.
427	CAN Data Link Degraded	Communication between the engine control (ECM) and the PCC is severed.	Warning	Ensure the E-Stop button is not active; reset the Local/Remote Emergency Stop.
441	Low Battery 1 Voltage	Battery voltage below 24 VDC approaching a low level at which unpredictable operation will occur.	Warning	Clean battery terminals and tighten connections; check electrolyte level, top up and recharge; recharge or replace battery.
442	High Battery 1 Voltage	Battery voltage approaching a high level (exceeding 32 VDC) at which control damage can occur.	Warning	Clean battery terminals and tighten connections; check battery charge float level and lower if applicable.
488	High Intake Manf 1 Temp	Intake manifold temperature has risen above the shutdown trip point.	Derate	Review fault code 151 correction list.
611	Engine Hot Shut Down	An engine hot shutdown occurred (cooldown timers bypassed).	Warning	Avoid hot shutdown; run genset at 10% or less load for three minutes before shutdown.
781	CAN Data Link Failure	Communication between the engine control (ECM) and the PowerCommand 3.3 control severed.	Shutdown	Ensure the E-Stop button is not active; reset the Local/Remote Emergency Stop.
1131	Battle Short Active	Control is in Battle Short mode.	Warning	If possible, investigate any fault codes being bypassed.
1416	Fail To Shutdown	Records a bypassed shutdown fault while the genset was in Battle Short mode.	Warning	Troubleshoot the shutdown fault causing the generator set to shut down.
1433	Local Emergency Stop	A local Emergency Stop has been activated.	Shutdown	De-activate the Emergency Stop button; press Stop; press Reset; select desired operating mode.
1434	Remote Emergency Stop	A remote Emergency Stop has been activated.	Shutdown	De-activate the Emergency Stop button; press Stop; press Reset; select desired operating mode.
1435	Low Coolant Temperature	Engine coolant heater not operating or not circulating coolant; warning occurs when coolant temperature is 21 °C (70 °F) or lower.	Warning	Check coolant heater power supply, blown fuse or disconnected heater cable; check for coolant leaks; check and replenish coolant.
1438	Fail To Crank	Possible fault with control, speed sensing or starting system.	Shutdown	See code 441 for corrective action; ensure the Emergency Stop button is disengaged.
1439	Low Day Tank Fuel Switch	Day tank fuel supply running low.	Warning	Look for fuel leaks and repair; check and replenish fuel level.
1441	Low Fuel Level	Fuel level has gone below the threshold setting for low fuel level against the time setting.	Warning	Look for fuel leaks and repair; check and replenish fuel level.
1442	Weak Battery	During cranking the battery voltage is at or below the weak battery warning trip point.	Warning	See code 441.
1443	Dead Battery	During cranking the battery voltage dropped below the control operating voltage, resetting the control.	Shutdown	See code 441.
1445	Short Circuit		Shutdown
1446	High AC Voltage		Shutdown
1447	Low AC Voltage		Shutdown
1448	Under Frequency	Generator set frequency dropped below 90% of nominal for approximately ten seconds.	Shutdown	Check the fuel supply; check the air intake supply; check the load and correct any overload.
1449	Over Frequency	Generator set frequency exceeded the Over Frequency threshold for the set time.	Shutdown	Check the fuel supply; check the air intake supply; check the load and correct any overload.
1465	Ready To Load	Paralleling event indicating the genset is ready to load.	Info
1852	Pre-High H2O In Fuel	Water in the fuel is above normal and has reached the warning trip point.	Warning	Check fuel in tank (local or remote); drain and re-fill if necessary.
2335	AC Voltage Sensing Lost (Excitation Fault)	Loss of voltage sense - critical shutdown fault that suspends Battle Short mode.	Shutdown
2678	Charging Alternator Fail		Warning
2977	Low Coolant 2 Level	Engine coolant level in the second radiator has fallen below the trip point.	Warning	Look for coolant leaks and repair; check and replenish coolant; reset and restart.
3416	Start System Fault	Start system fault condition exists.	Warning	Refer to fault codes 359 and 1438.
5135	Genset Overload		Shutdown

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Procedures

Magnetic Pickup Adjustment adjustment

⚠ Jam nut over-torque will damage the magnetic pickup.

Tools: feeler gauge, torque wrench

Ensure a ring gear tooth is centered under the magnetic pickup hole. Rotate flywheel if necessary.
Screw the magnetic pickup in until it contacts the targeted gear tooth. Do not use excessive pressure.
Back the magnetic pickup out (counterclockwise) 1/2 to 3/4 turn.
If a feeler gauge can be inserted between the magnetic pickup and the flywheel ring gear tooth, back the magnetic pickup out 0.71 to 1.07 mm [0.028 to 0.042 in.] from the gear tooth.
Tighten the jam nut on the flywheel housing. While holding the magnetic pickup, torque the jam nut to 34-47 N-m [25-35 ft-lb].

Trip Unit Operation Verification diagnostic

Tools: Trip unit test kit

Connect a test kit to the trip unit test plug receptacle.
Perform verification tests per instructions shipped with the test kit to verify trip unit functions.

Air Cleaner Installation installation

Use the two air filter straps to install a new air cleaner on the mounting platform.
Reinstall the hose clamp to secure the air cleaner to the hump hose.

Connect the INLINE™5 Datalink Adapter to a Personal Computer installation

⚠ A fully populated USB cable, Part Number 4918419, or DB9F-DB9M serial cable, Part Number 4918418, must be used.

Connect the DB9F-DB9M serial cable, Part Number 4918418, or USB cable, Part Number 4918419, to the computer.
Connect the other end of that cable to the INLINE™5 datalink adapter, Part Number 3165033.
Supply +8 VDC to +50 VDC at 250mA through the OEM connector or a separate power source.
Connect the appropriate datalink cable to the INLINE™5 datalink adapter, Part Number 3165033.
Connect the other end of the datalink cable to the vehicle cab or engine compartment datalink connector.
Launch the electronic service tool application software.

Keyed Connector Backshell Assembly installation

Tools: Wire Strippers, Standard Screwdriver, Terminal Crimp Tool

Position the connector grommet seal on the backside of the connector.
Strip 4.3 to 5.1 millimeters (0.17 to 0.20 inches) of insulation from the ends of the wire harness conductors.
Using the appropriate terminal crimping apparatus, crimp the connector terminals onto the stripped, bare ends of the wire harness conductors. Use a crimp tool with frame style M22520/2-01 per MIL-C-22
Once all conductors to be used are crimped onto connector terminals, insert each terminal into the correct cavity of the connector.
The grommet seal must have a sealing plug inserted in the unpopulated cavity positions.
Ensure that all terminals are properly seated into each of the connector cavities.
Place the connector into one half of the keyed backshell, laying the harness bundle as shown.
Place the strain relief clamp over the harness bundle and attach it to the backshell half using the two strain relief clamp screws provided.
Place the two thumbscrews into the proper locations of the backshell half.
Place the second half of the backshell in place, fitting it to the first half, and fasten the two backshell halves together using the two backshell fastening screws provided.

Air Cleaner Removal maintenance

⚠ Holes, loose-end seals, dented sealing surfaces or corrosion render the air cleaner inoperative.

Loosen the hose clamp securing the air cleaner to the hump hose.
Remove the air cleaner and the two air filter straps from the mounting platform.
Remove the air filter straps from the air cleaner.
Dispose of the old air cleaner in accordance with local environmental requirements.

Battery replacement / battery rack installation maintenance

Isolate DC supply before working on battery connections.
Install battery rack with hold-down, floor standing.
Install battery with minimum 2200 amps capacity at -18 °C to 0 °C.
Verify 24 volt negative ground connection.

Crankcase Breather Oil Drain Cup maintenance

⚠ Avoid prolonged skin contact with used oil.

Tools: Suitable container

With the generator set not in operation, open the drain valve and drain oil into a suitable container.
Close the drain valve when completed.
Clean the area of any spills and dispose of waste per local regulations.

Engine Oil Level Check maintenance

⚠ Crankcase pressure can blow out hot oil; do not check oil while running.

Tools: Lint free cloth, Funnel (where possible)

Remove the dipstick and wipe it clean with a lint free cloth.
Fully replace the dipstick.
Remove the dipstick and check oil level against the High and Low marks.
Top up to the High mark with the correct grade of oil.
Replace the dipstick and oil filler cap.
Start the engine, idle for five minutes, switch off and wait five minutes.
Check oil level and repeat if oil needs to be added.

Fuel Filter Element Removal maintenance

⚠ Do not allow fuel to drain onto the ground.

⚠ Do not permit any open flame near the fuel system.

Tools: Collar/vent cap wrench, Suitable container

Shut down the engine.
Close the fuel supply shutoff valve.
Place a suitable container under the filter to be replaced.
Use the collar/vent cap wrench to open the vent cap and break the air lock.
Open the drain valve and drain fuel below the collar.
Close the drain valve.
Loosen the collar with the collar/vent cap wrench.
Remove the clear cover, filter spring, fuel filter element, o-ring and sealing grommet.

Fuel Filter Element Replacement maintenance

⚠ Do not permit any open flame near the fuel system.

Install a new o-ring, filter element (with sealing grommet), filter spring and clear cover.
Install the vent cap and collar onto the clear cover.
Hand tighten; do not use tools to tighten the collar.

Fuel/Water Separator Drain maintenance

⚠ Diesel fuel is a fire and explosion hazard.

⚠ Drained liquids must be disposed of per local environmental regulations.

Tools: Suitable container

Shut off the engine.
Place a suitable container under the fuel filter.
With the fuel supply valve closed, open the vent cap to break the airlock.
Turn the valve counterclockwise until it drops about 25 mm (1 in). Drain until clear fuel is visible.
Push the valve up and turn clockwise to close the drain valve.
Open the fuel supply valve before starting the engine.
If more than 60 ml (2 oz) is drained, refill the filter to prevent hard starting.

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Voltage reconnection

Voltage	Phase	Connection	Leads	Notes
12470	3	3 Ph Wye	6	Temp rise 105°C, Duty S, Max surge 11213 kVA, Winding No. 91, ADS-533, B568
12470-13800	3	Wye, 3-phase	Winding no. 6062	Temp rise 125/105/80 °C; ADS-521; feature code B448; max surge kVA 91
13200	3	3 Ph Wye	6	Temp rise 105°C, Duty S, Max surge 11213 kVA, Winding No. 91, ADS-533, B501
13800	3	3 Ph Wye	6	Temp rise 80°C, Duty S, Max surge 11213 kVA, Winding No. 91, ADS-533, B610
220/380	3	6 leads	6	Winding no. 13; 125°C rise rating 2004 kW / 2505 kVA; stator resistance L-L 0.00102 Ohms; rotor resistance 2.31 Ohms @22°C
240/416	3	6 leads	6	Winding no. 13; 125°C rise rating 2004 kW / 2505 kVA; stator resistance L-L 0.00102 Ohms; rotor resistance 2.31 Ohms @22°C
254/440	3	6 leads	6	Winding no. 312; 125°C rise rating 2000 kW / 2500 kVA; stator resistance L-L 0.00152 Ohms; rotor resistance 2.31 Ohms @22°C
277/480	3	6 leads	6	Winding no. 312; 125°C rise rating 2080 kW / 2600 kVA; stator resistance L-L 0.00152 Ohms; rotor resistance 2.31 Ohms @22°C
277/480	3	Wye, 4 Wire		Feature code R002-2 Voltage-277/480, 3 Phase, Wye, 4 Wire
346/600	3	6 leads	6	Winding no. 07; 125°C rise rating 2080 kW / 2600 kVA; stator resistance L-L 0.00220 Ohms; rotor resistance 2.31 Ohms @22°C
380	3	3 Ph Wye	6	Temp rise 105°C, Duty S, Max surge 13024 kVA, Winding No. 13, ADS-531, B408
380	3	Wye, 3-phase	Winding no. 7327	Temp rise 150/125/105 °C; ADS-335; feature code B595; max surge kVA 312
416	3	3 Ph Wye	6	Temp rise 150°C, Duty S, Max surge 9719 kVA, Winding No. 12, ADS-517, B682
4160	3	3 Ph Wye	6	Temp rise 80°C, Duty S, Max surge 11185 kVA, Winding No. 51, ADS-545, B605
4160	3	Wye, 3-phase	Winding no. 6307	Temp rise 125/105/80 °C; ADS-324; feature code B467; max surge kVA 51
440	3	3 Ph Wye	6	Temp rise 105°C, Duty S, Max surge 13024 kVA, Winding No. 12, ADS-531, B664
480	3	3 Ph Wye	6	Temp rise 125°C, Duty S, Max surge 8412 kVA, Winding No. 12, ADS-516, B246
480	3	Wye, 3-phase	Winding no. 7361	Temp rise 125/105/80 °C; ADS-333; feature code B462; max surge kVA 312
600	3	3 Ph Wye	6	Temp rise 125°C, Duty S, Max surge 8189 kVA, Winding No. 7, ADS-516, B602
600	3	Wye, 3-phase	Winding no. 7361	Temp rise 125/105/80 °C; ADS-333; feature code B465; max surge kVA 07

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Parts cataloged across the Cummins/Onan QSK60 family

201

Part #	Description	Category
140-3288-02	Cleaner, Air	Air filter
140-3813	Element, Air Cleaner Primary	Air filter
140-3814	Element, Safety (Air Cleaner)	Air filter
140-3815	Cleaner, Air (Dust Ejector)	Air filter
140-3963	Cleaner, Air (Spec A-C Metal)	Air filter
AF25593	Element, Replacement (Spec A) (Fleetguard Part Number)	Air filter
AF25708M	Element, Replacement (Spec D-E) (Fleetguard Part Number)	Air filter
AF25750	Element, Replacement (Spec B-C) (Fleetguard Part Number)	Air filter
511-0161-17	Belt, V Ribbed	Belt
M-3649982	Juntade culata de cilindro - sobredimensionada 0,020" - M-3649982	Cylinder head盖板
QSK60	Gas engine	Engine
QSK60-G9	Engine model for C2500 D5A generator sets	Engine
QSK60G	Engine model QSK60G	Engine
4321098765	Fault Acknowledge Button	Fault acknowledge button
130-4546	Bracket, Mounting – Coolant Heater	Fluid
130-4552	Cover, Coolant Heater	Fluid
338-3335-01	Harness, Wiring – AC – Coolant Heater (From Coolant Heater Bottom To Coolant Heater Control Box) (Includes Conduit Connectors) (30”)	Fluid
338-3335-09	Harness, Wiring – AC – Coolant Heater (From Coolant Heater Bottom To Coolant Heater Control Box) (Includes Conduit Connectors) (108”)	Fluid
338-3831	Harness, Wiring – DC – Engine Heater (From Coolant Heater Control Box To Engine And Main Engine Harness) (Includes Parts Marked *)	Fluid
FS1006	Filter, Fuel Water Separator	Fuel filter
130-3684	Gasket	Gasket
130-5099	Gasket	Gasket
130-6405	Gasket, Radiator	Gasket
130-7145	Gasket, Radiator	Gasket
130-7232	Gasket, Radiator (4")	Gasket
130-7293	Gasket, Radiator (65NB)	Gasket
154-3182	Gasket, Flange (Fuel Line)	Gasket
155-3704	Gasket, Exhaust (10" BS Flange)	Gasket
155-4109	Gasket, Flange	Gasket
155-4601	Gasket, Exhaust	Gasket
155-4735	Gasket, Exhaust (10" ANSI Flange)	Gasket
186-6088	Plate, Valve Spring	Gasket
186-6090	Carrier, Valve Spring	Gasket
186-6091	Cotter, Valve	Gasket
186-6092	Guide, Valve	Gasket
186-6093	Seal, Valve Stem	Gasket
186-6109	Gasket, Cylinder Head	Gasket
186-6112	Gasket, Cylinder Head	Gasket
186-6436	Gasket, Cylinder Head	Gasket
186-6758	Valve, Inlet	Gasket
186-7004	Insert, Inlet Valve	Gasket
186-7005	Insert, Exhaust Valve	Gasket
186-7013	Head Assy, Cylinder	Gasket
186-7014	Head Assy, Cylinder	Gasket
186-7015	Head Assy, Cylinder	Gasket
319-3950	Gasket, Operator Panel	Gasket
319-3951	Gasket, Switch Panel	Gasket
330-0141-04	Gasket, Cover	Gasket
MCBQSK0045	Turbocharger Installation Kit	Gasket
MCBQSK0048	Water Pump Gasket Set	Gasket
MCBQSK0058	Water Pump Gasket Set	Gasket
128-0108	Insulation, Hose – Bulk (Order By The Foot – 12 Feet Required)	Hose
130-4885	Radiator (Includes Jacketwater, Aftercooler, Cap, Overflow Hose and Sight Gauge Sevice Parts) 130–3588	Hose
416-0680	Cable, Battery (10")	Hose
501-0838	Line, Fuel (DN80 Gas 500mm)	Hose
502-0656	Adapter, Male (1–5/16–12 Tubing to 1” Pipe)	Hose
502-0827	Fitting, Hose – Barbed (1/2” ID Pipe to 3/4” ID Hose)	Hose
502-0836	Fitting, Brass – Hose – Barbed (3/4” Pipe to 3/4” Hose)	Hose
502-1257	Connector, Hose – Barbed (Fits 3/4” ID Hose)	Hose
503-0189	Clamp, Hose	Hose
503-0249	Hose − Bulk (Order by the Foot − 3 Feet Required)	Hose
503-1136	Clamp, Hose	Hose
503-1418	Hose − Bulk (1/4” ID) (Order By The Foot − 18 Feet Required)	Hose
503-1634-01	Hose, Rubber (3/4” ID x 4”)	Hose
503-1726	Hose (5” ID x 6”)	Hose
503-1727	Hose, Radiator (3” ID x 10”)	Hose
503-1728	Hose (3” ID x 5–1/2”)	Hose
503-1745	Hose – Bulk – Front Grease Fitting (Order By The Foot – 2 Feet Required)	Hose
503-1863	Hose, Radiator (1–1/2” ID x 4”)	Hose
503-1872-01	Clamp, Hose	Hose
503-1872-05	Clamp, Hose	Hose
503-1872-09	Clamp, Hose (5” ID)	Hose
503-2204-06	Hose, Steam (19mm x 300)	Hose
503-2204-07	Hose, Steam (19mm x 800)	Hose
503-2204-08	Hose, Steam (19mm x 1000)	Hose
503-2204-09	Hose, Steam (19mm x 1700)	Hose
503-2518	Hose, Vent	Hose
505-1429	Nipple, Pipe – Combination (1–1/2” Pipe to 1–1/2” Hose)	Hose
505-2086	Nipple, Pipe (3/4)	Hose
505-2098	Nipple, Pipe (1/2)	Hose
518-0548-24	Clamp, Hose	Hose
518-0548-25	Clamp, Hose (3/8” ID)	Hose
0098-6074-02	Label, Warning	Label
098-2304	Label, Warning	Label
098-2304-01	Label, Warning	Label
098-4500	Decal	Label
098-4730	Label, Warning	Label
098-4732	Label, Warning	Label
098-4798	Label, Warning	Label
098-5347	Label, Danger	Label
098-5347-02	Label, Danger	Label
098-5759	Label, Warning	Label
098-5822	Label, Warning	Label
098-5842	Label, Caution	Label
098-6074-02	Label, Warning	Label
098-6195	Label, Caution	Label
098-6537	Label, Ground	Label
098-6650-01	Label, Danger	Label
098-6775	Label	Label
098-7614	Label, Warning	Label
098-7877	Label, Battery Warning	Label
098-7902-01	Label, Logo	Label
098-7902-03	Label, Logo	Label
098-7902-04	Label, Logo	Label
098-7904	Label, Danger	Label
098-8075	Label, Ground	Label
098-8144	Label, Information	Label
098-8204	Label, Warning	Label
098-8220	Label, Information	Label
098-8445	Label, Information	Label
098-8732-02	Label, Information	Label
098-8940	Label, Warning	Label
A029M832	Label, Warning	Label
A029S884	Label, Information	Label
A029Z072	Label, Information	Label
LF9050	Lube, Combination	Oil filter
0130-5997-05	Cummins Part No. 312/212, 37564; Cummins Part No. 312/212, 37604; Cummins Part No. 212, 37558; Cummins Part No. 212, 37614; Cummins Part No. 212, 37627; Cummins Part No. 313/312, 0179-2921; Cummins Part No. 313/312, 0179-2988; Cummins Part No. 312, 0179-3291; Cummins Part No. 312/212, 130-5791; Cummins Part No. 312/212, 37644; Cummins Part No. 312/212, 37624; Cummins Part No. 312/212, 37625; Cummins Part No. 212, 37648; Cummins Part No. 212, 37643; Cummins Part No. 212, 37678; Cummins Part No. 212, 37665; Cummins Part No. 312/212, 37676; Cummins Part No. 312/212, 37610; Cummins Part No. 313/212, 37642	Service part / kit
0179-2862	Nema 284T frame has the following arrangement: 6311 C3 / 18gram Polyrex – EM /20,000h	Service part / kit
0179-3291	Nema 284T frame has the following arrangement: 6311 C3 / 11gram Polyrex – EM /20,000h	Service part / kit
098-5387	Label, Danger	Service part / kit
130-5077-02	Tube, Heater	Service part / kit
130-5078-02	Tube, Heater	Service part / kit
130-5079-02	Tube, Heater	Service part / kit
130-5080-02	Tube, Heater	Service part / kit
130-5089-02	Tube, Heater	Service part / kit
155-4734	Flange, Exhaust (10" ANSI Flange)	Service part / kit
155-4736	Flange, Exhaust (10" BS Flange)	Service part / kit
186-6087	Valve, Exhaust	Service part / kit
186-6089	Part 186-6089	Service part / kit
3163156	Service cable for InPower™	Service part / kit
323-1491	* Pin, Contact (Used With Inline G)	Service part / kit
323-1492	* Socket, Contact (Used In Stations 18, 19)	Service part / kit
323-1688	* Socket, Contact (Used In P1)	Service part / kit
323-1718	* Pin, Contact (Used In Station 17)	Service part / kit
333-0634-02	Heater, Coolant - 6420 Watt	Service part / kit
3886301	InPower™ electronic service tool	Service part / kit
4-2002	PowerCommand Control	Service part / kit
416-1019	Boot, Battery (Red)	Service part / kit
504-0215	Valve, Check (1/4)	Service part / kit
504-0239	Valve, Ball (3/4)	Service part / kit
504-0247	Valve, Ball (1/2)	Service part / kit
504-0294	Valve, Ball (3 Way 2" DN80) - ANSI Flanges	Service part / kit
504-0295	Valve, Ball (3 Way 3" DN80) - ANSI Flanges	Service part / kit
504-0301	Valve, Ball (3 Way 2" DN80) - BS Flanges	Service part / kit
504-0302	Valve, Ball (3 Way 3" DN80) - BS Flanges	Service part / kit
525-0304	Gallon Can	Service part / kit
525-0305	12 oz. Pressurized Spray Can	Service part / kit
525-0306	Quart Can	Service part / kit
5410770	Cummins enclosed C2000D5 diesel generator set powered by QSK60G3 engine provides reliable continuous power for Bab Gas Compression Facility.	Service part / kit
898-1254-25	Sleeving – Heater Leads (59”)	Service part / kit
A026N045	Bracket, Mounting	Service part / kit
A026N055	Bracket, Mounting	Service part / kit
A026N058	Leg, Box	Service part / kit
A026N061	Leg, Box	Service part / kit
A026N070	Panel, Cover	Service part / kit
A029F250	Insulation, Duct	Service part / kit
A029F255	Insulation, Duct	Service part / kit
A029S366	Lead, Ground	Service part / kit
A029Y658	Stud	Service part / kit
A040C685	Bracket, Support	Service part / kit
A041U339	Shim, Generator Mounting	Service part / kit
A041U341	Shim, Generator Mounting	Service part / kit
A056A610	RECOMMENDED SPARES LIST (RSL) FOR DQKAD GENERATOR SETS	Service part / kit
A056A611	RECOMMENDED SPARES LIST (RSL) FOR DQKAE GENERATOR SETS	Service part / kit
A056A612	RECOMMENDED SPARES LIST (RSL) FOR DQKAF GENERATOR SETS	Service part / kit
A056F840	Recommended Spares List (RSL) for DQKAN Generator Sets	Service part / kit
M-3089173	Bushing - Camshaft	Service part / kit
M-4007741	Bushing - Camshaft	Service part / kit
M-4089083	Single Cylinder Head	Service part / kit
M-4089200	Juego de Junta Modul. N. ° de Pieza	Service part / kit
M-4089201	Juego Posenfriador Cuadrante N. ° de Pieza	Service part / kit
M-4089202	Juego Sistema Enfriamiento N. ° de Pieza	Service part / kit
M-4089231	Juego de Junta Modul. N. ° de Pieza	Service part / kit
M-4089232	Juego Posenfriador Cuadrante N. ° de Pieza	Service part / kit
M-4089307	Juego Bomba Inferior N. ° de Pieza	Service part / kit
M-4089308	Juego Combustible Inferior N. ° de Pieza	Service part / kit
M-4089508	Juego de Junta Modul. N. ° de Pieza	Service part / kit
M-4089509	Juego Sistema Enfriamiento N. ° de Pieza	Service part / kit
M-4089874	Juego Bloque Inferior N. ° de Pieza	Service part / kit
M-4955369	Juego Posenfriador Cuadrante N. ° de Pieza	Service part / kit
M-4955370	Juego de Junta Modul. N. ° de Pieza	Service part / kit
M-4956000	Culata Cilindro Simple N. ° de Pieza AR	Service part / kit
132-0475	Pump, Water (Remote)	Pump
A054B161	Schematic Diagram	Schematic diagram
323-1445	* Seal, Cable (Used With Station 17)	Seal
323-1708	# Seal, Cable (P8)	Seal
503-2129-05	Line, Vent – Flexible – With One Male Pipe Swivel and One Female Pipe Swivel With O–Ring Face Seal (1/4” ID x 94–1/2”) Right Side	Seal
509-0283-01	Seal	Seal
509-0478	Seal - O Ring	Seal
193-0486	Sender, Low Coolant Level	Sensor
338-3832	Harness, Wiring – Low Coolant Level Sender (4 Wire, 169”) (Includes Parts Marked *)	Sensor
504-0262	Valve, Solenoid	Sensor
AM47478880	Temperature Sender, Exhaust Temperature Replaces 47367178, 87482353, LB52S00001P1	Sensor
AM47520140	Sensor, 8-Pin/NH3/Ammonia Replaces 47368956, 84382712	Sensor
AM47520143	Sensor, Def/AdBlue Quality Replaces 84553250	Sensor
AM504372225	Sensor, MAP Temperature/Pressure Replaces 2852821, 4896794, 504073323	Sensor
M-3331970	Spacer Gasket for QSK45 and QSK60 Engine applications	Spacer gasket
309-0649	Thermostat (Includes Connector Socket) (S11)	Thermostat
309-0711	Thermostat	Thermostat
M-4089203	Juego Turbo e Interenfriador N. ° de Pieza	Turbocharger
M-4089233	Juego Turbo e Interenfriador N. ° de Pieza	Turbocharger

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Common questions

What is the displacement of the Cummins/Onan QSK60-G7?

The Cummins/Onan QSK60-G7 has a displacement of 60.0 liters with 16 cylinders.

Which generators use the Cummins/Onan QSK60-G7 engine?

The Cummins/Onan QSK60-G7 powers 2 generator set(s), including Cummins/Onan C2000D2R, Cummins/Onan QSK60.

What is a common problem with the Cummins/Onan QSK60-G7 engine?

A commonly reported issue on generators using the Cummins/Onan QSK60-G7 is: Overspeed.