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Home›Cummins/Onan›Cummins/Onan C185 D6

Cummins/Onan C185 D6 Generator Set

The Cummins/Onan C185 D6 is a 185 kW (231 kVA) Diesel standby generator set powered by a Cummins/Onan 6CTA 8.3-G2 engine. It is available at 480/277 V, 440/254 V, 416/240 V, 380/220 V, 240/139 V, 220/127 V and 208/120 V, 3-phase, 50 Hz and rated 160 A. It holds about 23.8 L (6.3 gal) of oil and 35.6 L (9.4 gal) of coolant, with a maximum ambient rating of 27 °C. Starting uses 1 group-150 battery at 12 V. The set measures 2325×958×1835 mm (91.5×37.7×72.2 in), weighs about 1859 kg (4098 lb) and produces 85 dBA at 1 m. An integrated tank holds 360 L (95.1 gal), roughly 10 hours of runtime. The same 6CTA 8.3-G2 engine also powers generator sets from AKSA.

185 kW
Standby
8.3 L
Displacement
23.8 L
Oil capacity
1
Document types

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

Compare with other 185–190 kW Diesel generators →

Specifications

FuelDiesel
Frequency50.0 Hz
Standby power185 kW
Standby kVA231
Prime power170 kW
EmissionsTier 2
ControllerMechanical, PowerCommand
Oil capacity23.8 L
AlternatorCummins/Onan 6CTAA8.3-G1 (4-pole, Class H insulation)
Voltage options480/277 V, 440/254 V, 416/240 V, 380/220 V, 240/139 V, 220/127 V, 208/120 V
Phase3
Rated current160 A
Power factor0.8
Circuit breaker160 A
Battery group150 AH
Battery voltage12 V
Battery quantity1
Coolant capacity35.6 L
Max ambient27 °C
Dimensions (L×W×H)2325×958×1835 mm
Dry weight1859 kg
Sound level85.0 dBA @ 1 m
Fuel tank360.0 L
Tank runtime10 hr

Engine

Cummins/Onan 6CTA 8.3-G2
Oil capacity23.8 L
Coolant capacity12.3 L
Displacement8.3 L
AspirationTurbocharged
Rated speed1800 rpm

Maintenance & consumables

for the Cummins/Onan 6CTA 8.3-G2
ItemSpecCapacityPart #Interval
Air filterOptiAir™ technology, 2-stage air filters—500 hr find
Fuel filterDual filter spin-on with water separator—500 hr find
Oil filterVenturi Combo Filter Stratapore—500 hr find
BeltDirect drive centrifugal blower fan—1000 hr find
Coolant36.0 l—
Oil150150.0 L—1000 hr

Common questions

What is the power rating of the Cummins/Onan C185 D6?

The Cummins/Onan C185 D6 is rated 185 kW standby (231.0 kVA).

What engine does the Cummins/Onan C185 D6 use?

The Cummins/Onan C185 D6 is powered by the Cummins/Onan 6CTA 8.3-G2 engine.

What fuel does the Cummins/Onan C185 D6 use?

The Cummins/Onan C185 D6 runs on Diesel.

What is the oil capacity of the Cummins/Onan C185 D6?

The Cummins/Onan 6CTA 8.3-G2 engine in the Cummins/Onan C185 D6 has an oil capacity of 23.8 liters.

What alternator does the Cummins/Onan C185 D6 use?

The Cummins/Onan C185 D6 uses a Cummins/Onan 6CTAA8.3-G1 alternator. It has 4 poles. Insulation class H.

Parts

118
Part #DescriptionQtySystem
102-1356Gasket, Oil Drain1Oil filter PartsGeek
140-2241Element, Air Cleaner1Air filter PartsGeek
140-2251Element, Air Cleaner Secondary (Inner)1Air filter PartsGeek
140-2252Element, Air Cleaner - Secondary (Inner)1Air filter PartsGeek
155-3150-04Muffler, Critical1Muffler PartsGeek
155-3164-01Pipe, Exhaust1Pipe PartsGeek
193-0244Sender, Oil Pressure (E1)1Sensor PartsGeek
193-0353Sender, Temperature - Oil1Sensor PartsGeek
193-0375# Sender, Water Temperature1Sensor PartsGeek
309-0269Air Cleaner (Includes Element) - Standard1Air filter PartsGeek
309-0561Switch, Low Oil Pressure1Oil filter PartsGeek
319-2653Window, Control (If Equipped)1Window PartsGeek
405-5744Post, Housing - Center4Post PartsGeek
405-5832Door, Housing6Door PartsGeek
405-5908Panel, Side - Radiator Housing2Panel PartsGeek
405-5916Post, Corner - Housing2Post PartsGeek
405-5917Panel, End - Roof2Panel PartsGeek
406-0831Hinge, Door14Hinge PartsGeek
502-0047Nipple, Pipe (1/4)1Nipple PartsGeek
503-0365Clamp, Hose1Hose PartsGeek
503-0446Clamp, Hose4Clamp PartsGeek
503-0465Clamp, Hose2Hose PartsGeek
503-0685Clamp, Hose2Hose PartsGeek
503-1595Hose1Hose PartsGeek
503-1599Hose, Radiator1Hose PartsGeek
526-0451Washer, Flat - Stainless Steel (M8)2Washer PartsGeek
821-0018Thermostat (Includes Plugs)1Thermostat PartsGeek
821-6003-02Screw, Cap - Hex Head2Screw PartsGeek
870-0257Nut, Locking (5/16−18) * − Parts Used On Heat Exchanger Installations With Automatic Water Regulator # − Cut Off And Discard Swivel Connector End Of Hose So That 1/8 NPT Connector End Measures Length As Indicated Above + − Parts Used On Heat Exchanger Installations Without Automatic Water Regulator1Hose PartsGeek
102-1237Adapter, Oil Drain (Ml8 x 1/2") (S2)1Service part / kit PartsGeek
130-3208Service part / kit PartsGeek
130-3209Service part / kit PartsGeek
130-3212Advanced Efficiency Hydraulic/Transmission Filter1Service part / kit PartsGeek
130-3216Part 130-32161Service part / kit PartsGeek
130-3217Service part / kit PartsGeek
130-3218Service part / kit PartsGeek
140-1260Fitting, Safety Filter2Service part / kit Amazon eBay $35.00 PartsGeek
140-1548Indicator, Service2Service part / kit Amazon eBay PartsGeek
140-1601Service part / kit PartsGeek
140-1973Service part / kit PartsGeek
140-2238Service part / kit PartsGeek
140-2239Service part / kit PartsGeek
140-2240Cleaner, Air (Incl Element)1Service part / kit PartsGeek
150-2252Service part / kit PartsGeek
155-2304Service part / kit PartsGeek
155-2307Silencer1Service part / kit PartsGeek
191-19830Service part / kit PartsGeek
191-2038Service part / kit PartsGeek
309-0553Switch, Temperature1Service part / kit PartsGeek
309-0554Switch, Temperature1Service part / kit PartsGeek
332-1473Lug, Terminal - Solderless 10 800-0138 2 Screw. Cap - Hex Head (51Service part / kit PartsGeek
332-2738Service part / kit PartsGeek
402-0030Part 402-003034Service part / kit PartsGeek
403-2690Service part / kit PartsGeek
416-0444Cable, Battery - Negative26Service part / kit PartsGeek
416-0619Service part / kit PartsGeek
501-0441Line, Fuel - Flex (Fuel In)1Service part / kit PartsGeek
501-0480Line, Fuel - Flex (Fuel Out)1Service part / kit PartsGeek
503-0099Service part / kit PartsGeek
503-0197503-0197 Miscellaneous Engine1Service part / kit PartsGeek
503-1354Service part / kit PartsGeek
503-1586Service part / kit PartsGeek
503-1870Service part / kit PartsGeek
504-0011Valve, Shutoff (1/2”)1Service part / kit PartsGeek
505-0021Bushing, Pipe - Reducer (3/4º to 1/2º)1Service part / kit PartsGeek
505-0050.-- n.-l. . OW-UUCJI1Service part / kit PartsGeek
505-0185Adapter, Oil Drain1Service part / kit PartsGeek
505-1373Service part / kit PartsGeek
508-0015Accessory 54 (Except Voltage1Service part / kit PartsGeek
508-0231Bumper Switch, Selector3Service part / kit PartsGeek
517-0138Service part / kit PartsGeek
526-00031 “Panel, Top + So 26 405~ “1872 1646Service part / kit PartsGeek
526-0008*Washer, Flat (#10)1Service part / kit PartsGeek
526-0141Service part / kit PartsGeek
526-0219Washer, Flat (1/2)2Service part / kit PartsGeek
526-2140Element, Cleaner - Air2Service part / kit PartsGeek
600-2124Service part / kit PartsGeek
660-2008Service part / kit PartsGeek
718-1026Service part / kit PartsGeek
800-0008Connector2Service part / kit PartsGeek
800-0026Part 800-00261Service part / kit PartsGeek
800-00913 Pole4Service part / kit PartsGeek
800-0520Screw, Cap - Hex Head - Self Locking 3/4-10 x 1"18Service part / kit PartsGeek
800-2058Part 800-20581Service part / kit PartsGeek
800-2088Service part / kit PartsGeek
800-2096Service part / kit PartsGeek
800-2110Hood, Inlet - Air Molded1Service part / kit PartsGeek
800-2111Screw, Cap - Hex Head (M12 x 10mm)1Service part / kit PartsGeek
809-0035Screw, Tapping - Roundhead1Service part / kit PartsGeek
815-0115Service part / kit PartsGeek
815-0172Cover, Adapter Outlet1Service part / kit PartsGeek
818-0150Service part / kit PartsGeek
821-00142 821-0018 1 3 526-0018 2 4 856-0006 1 5 870-0212 1 6 NOTE 1 REF 7 NOTE 1 REF 8 NOTE 11Service part / kit PartsGeek
821-0029Screw, Self–Locking – Hex Washer Head (3/8–16 x 3/4")4Service part / kit PartsGeek
830-2008Service part / kit PartsGeek
850-0030Washer, Lock - Spring (#10)1Service part / kit PartsGeek
850-0060Screw, Cap - Hex Head (5/16-18 X 7-1/2" )4Service part / kit PartsGeek
850-2005Washer, Lock - Spring (M5)1Service part / kit PartsGeek
850-2008Washer, Lock - Spring (M8)1Service part / kit PartsGeek
850-20106 Residential and Critical (M10)1Service part / kit PartsGeek
850-2012Washer, Lock - Spring (M12)16Service part / kit PartsGeek
856-0008Washer (5/ 16 “),Shakeprcmf EIT1Service part / kit PartsGeek
856-0013Washer1Service part / kit PartsGeek
860-2006Alternator, Spec E-H1Service part / kit PartsGeek
862-00044 ttNut, Hex - Set Mounting - Key 2 HARDWARE SET, SET MOUNTING1Service part / kit PartsGeek
862-0016Nut, Hex2Service part / kit PartsGeek
863-0002Cleaner, Air (Includes Element)2Service part / kit PartsGeek
870-0048Nut, Self-locking6Service part / kit PartsGeek
870-0053(350-00301Service part / kit PartsGeek
870-0196Nut, Insulated2Service part / kit PartsGeek
870-0212Nut, Locking (1/4-20)4Service part / kit PartsGeek
870-0281Nut, Self-Locking – Hex Washer Head (3/8–16)2Service part / kit PartsGeek
871-0010#Nut18Service part / kit PartsGeek
928-0502BService part / kit PartsGeek
928-0506Service part / kit PartsGeek
960-0504AService part / kit PartsGeek
960-0505Service part / kit PartsGeek
960-12Service part / kit PartsGeek

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
Prime48.0
Prime25%14.0
Prime50%24.0
Prime70%15.04.0
Prime75%35.0
Prime100%48.0
Standby53.0
Standby70%15.04.0
Standby100%53.0

Available documents

Spec sheet — C185D6 EN (Cummins/Onan)Spec sheet — Cummins-170-C185D6 6CTA8.3 (Cummins/Onan)Spec sheet — S-6410-EN (Cummins/Onan)

Other sets with this engine

AKSA APD220C-6Cummins/Onan 6CTA8.3Cummins/Onan C170 D6Cummins/Onan C180 D5Cummins/Onan C200 D5Cummins/Onan DGFA