HomeCummins/OnanCummins/Onan C1100 D5B

Cummins/Onan C1100 D5B Generator Set

The Cummins/Onan C1100 D5B is a 906 kW (1029 kVA) Diesel standby generator set powered by a Cummins/Onan KTA38 engine. It is available at 127/220 V, 240/416 V, 220/380 V, 255/440 V and 230/400 V, A (U), B (V), C (W) and 50 Hz. It holds about 161 L (42.5 gal) of oil and 275 L (72.6 gal) of coolant. Starting uses 1 battery rated 890 CCA at 24 V. The set measures 4470×1785×2229 mm (176.0×70.3×87.8 in) and weighs about 7990 kg (17615 lb). The same KTA38 engine also powers generator sets from AKSA.

906 kW
Standby
38.0 L
Displacement
161.0 L
Oil capacity
1
Document types

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

Compare with other 810–815 kW Diesel generators →

Service parts for the C1100 D5B

Grouped by system, with how many of each the parts manual calls for.

Oil system

1 required
F148-9000Oil filtersee priceAmazon

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

FuelDiesel
Frequency50.0 Hz
Standby power906 kW
Standby kVA1029
Prime power823 kW
ControllerPC 3.3, PowerCommand
Oil capacity161.0 L
AlternatorStamford/AvK HCI634K
Voltage options127/220 V, 240/416 V, 220/380 V, 255/440 V, 230/400 V
PhaseA (U), B (V), C (W)
Power factor0.8
Battery cranking890 CCA
Battery voltage24 V
Battery quantity1
Coolant capacity275 L
Max ambient0 °C
Dimensions (L×W×H)4470×1785×2229 mm
Dry weight7990 kg
Wet weight8380 kg

Engine

Cummins/Onan KTA38
Oil capacity129.0 L
Coolant capacity308.0 L
Displacement38.0 L
Aspirationturbocharged and after cooled

Maintenance & consumables

for the Cummins/Onan KTA38
ItemSpecCapacityPart #Interval
Air filterHeavy duty air cleaner2500 hr
Fuel filterDual spin on paper element fuel filters1800 hr
Oil filterF148-90002500 hr Amazon eBay
BatteryBattery charger, Battery isolator1800 hr
BeltWater jacket heater, Coolant heater, PMG excitation system, 900 L fuel tank, Fuel pre-filter with water separator, External fuel connection (3-way valve), Side external gauge for fuel, Electric fuel pump with external fuel connection2500 hr
CoolantCoolant heater, 50 ºC ambient radiator3600 hr
Oil38 L lubricating oil tank38.0 L3600 hr
Spark plug2500 hr

Common questions

How many kW is the Cummins/Onan C1100 D5B?

The Cummins/Onan C1100 D5B is rated 906 kW standby (1029.0 kVA).

Which engine powers the Cummins/Onan C1100 D5B?

The Cummins/Onan C1100 D5B is powered by the Cummins/Onan KTA38 engine.

What fuel does the Cummins/Onan C1100 D5B use?

The Cummins/Onan C1100 D5B runs on Diesel.

What's the oil capacity on a Cummins/Onan C1100 D5B?

The Cummins/Onan KTA38 engine in the Cummins/Onan C1100 D5B has an oil capacity of 129.0 liters.

What alternator comes on the Cummins/Onan C1100 D5B?

The Cummins/Onan C1100 D5B uses a Stamford/AvK HCI634K alternator.

What oil filter does the Cummins/Onan C1100 D5B use?

The Cummins/Onan C1100 D5B uses oil filter part number F148-9000.

Parts

59
Part #DescriptionQtySystem
010112Thermostat2Thermostat Amazon eBay
010156Heater Hose Connection2Connection Amazon eBay
0101591” NPT x 16 I/D Hose Connector2Connector Amazon eBay
010167Heater Support2Support Amazon eBay
011250Battery Link2Link Amazon eBay
011261Battery Lead (-VE)1Battery lead Amazon eBay
011262Battery Lead (+VE)1Battery lead Amazon eBay
011270Battery Lead, +ve1Battery lead Amazon eBay
011281STR/STR - STR/Earth Lead (-VE)2Lead Amazon eBay
01930388Sender, Oil Temperature1Sensor Amazon eBay
0300-4623-26DFJD (600V)1Current transformer Amazon eBay
0300-4623-51DFJD BR (0-480V)1Current transformer Amazon eBay
03090269Switch, Low Engine Temperature (LET)1Switch Amazon eBay FridayParts $54.73
035090Battery Clamp1Clamp Amazon eBay
035095Clamp Bolt2Bolt Amazon eBay KuduParts $239.99
035105Battery Tray1Tray Amazon eBay FridayParts $43.92
049001Clip4Clip Amazon eBay
05050151Reducer, 1/2” x 1/8” NPT1Reducer Amazon eBay
05086111/4’’ NPT x 1’’ NPT Hex Nipple2Nipple Amazon eBay
052045Lead Acid Battery - Dry (Export)4Battery Amazon eBay
149-1689Element (Dual Fuel/Water Separator)1Fuel filter Amazon eBay $110.91
150-0717Switch Assembly, Overspeed1Sensor Amazon eBay $99.95
151-0411Pickup, Magnetic1Sensor Amazon eBay KuduParts $208.00
155-0675Gasket (Water Outlet)Gasket eBay
155-1030Gasket (Exhaust Header)1Gasket eBay
309-0243Valve, Control - Temperature Regulating1Thermostat Amazon eBay
415-0486Gasket (Fuel Tank - Overhead/Underground Supply)Gasket eBay
418520Battery Terminal, On Line4Terminal Amazon eBay
427560Battery Boot, Single Outlet2Boot Amazon eBay
427561Battery Boot, Copper Link2Boot Amazon eBay
503-0359Hose (Cooling System - Standpipe)1Hose Amazon eBay
503-0788Hose (Cooling System - Standpipe)1Hose Amazon eBay
526-0063Gasket (Fuel Tank)1Gasket Amazon eBay
706187M4 x 12 mm Steel Cheesehead Screw8Screw Amazon eBay
715250M8 Steel Wing Nuts2Nut Amazon eBay
716007M4 Plain Washer, Thick, Steel, Form A8Washer Amazon eBay
960-0504PCC Control Service Manual*Service manual Amazon eBay
960-0507Detector Control Service Manual**Service manual Amazon eBay $49.00
FF202Fuel, Spin-On2Fuel filter Amazon $148.05 eBay $34.99
FS1216Fuel/Water Sep Spin-On2Fuel filter Amazon $101.35 eBay $49.99 FridayParts $48.99
UC224CAlternator Model1Alternator Amazon eBay
UC274FAlternator Model1Alternator Amazon eBay
151-0399Controller (Electric Governor)1Service part / kit eBay $1500.00
151-0419Actuator (Electric Governor)1Service part / kit eBay
159-0020Cap, Tank1Service part / kit Amazon eBay
307-0839Valve, Solenoid (Cooling System - Standpipe)1Service part / kit Amazon eBay
307-1861Valve, Solenoid (Overhead Supply)1Service part / kit eBay
309-0407Valve, Float (Overhead Supply)1Service part / kit eBay
331-0027Switch, Thermostatic1Service part / kit Amazon eBay
332-2634Clamp, Retainer 4 Prior To December 1996 Production (Mounted On Top And Side Of Control Box Wrapper)10Service part / kit Amazon eBay
508-0018Washer, Insulating (1/4" ID)Service part / kit eBay
518-0548-24Clamp, Retainer Begin December 1996 Production (Mounted On Top And Side Of Control Box Wrapper On The Side Towards The Control Box Cover)20Service part / kit Amazon eBay
518-0548-42Clamp, Retainer 4 Prior To December 1996 Production (Mounted On Top And Side Of Control Box Wrapper)20Service part / kit Amazon eBay
960-0104Service part / kit Amazon eBay
960-0142Service part / kit Amazon eBay
960-0263Service part / kit Amazon eBay
960-0606Service part / kit Amazon eBay
960-0609Service part / kit eBay
V2403-M-E3BGEngine Model1Service part / kit Amazon eBay

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Prime25%65.017.0
Standby25%95.025.0

Available documents

Spec sheet — Cummins-C1100D5B-Generator-Data-Sheet (Cummins/Onan)Spec sheet — Cummins-C1100D5B-Spec-Sheet (Cummins/Onan)Spec sheet — EA S CC 23 EN (Cummins/Onan)Spec sheet — SS15-CPGK-DC50 (Cummins/Onan)