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Home›Cummins/Onan›Cummins/Onan KTA38

Cummins/Onan KTA38 Generator Set

The Cummins/Onan KTA38 is a 895 kW (1425 kVA) #2 Diesel, MGO standby generator set powered by a Cummins/Onan KTA38-D(M1) engine. It is available at 380 V, 400 V, 415 V, 440 V, 460 V and 480 V, 3-phase and 50 Hz. It holds about 135 L (35.7 gal) of oil and 218.5 L (57.7 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 4500×1900×2100 mm (177.2×74.8×82.7 in) and weighs about 8200 kg (18078 lb).

895 kW
Standby
37.5 L
Displacement
135.0 L
Oil capacity
5
Document types

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

Specifications

Fuel#2 Diesel, MGO
Frequency50.0 Hz
Standby power895 kW
Standby kVA1425
Prime power764 kW
EmissionsIMO Tier I
Oil capacity135.0 L
AlternatorStamford/AvK PM734B
Voltage options380 V, 400 V, 415 V, 440 V, 460 V, 480 V
Phase3-phase
Coolant capacity218.5 L
Max ambient50 °C
Dimensions (L×W×H)4500×1900×2100 mm
Dry weight8200 kg
Tank runtime[54.4, 54.4, 54.4, 54.4, 32.3, 32.3] hr

Engine

Cummins/Onan KTA38-D(M1)
Displacement37.5 L
Aspirationturbocharged
Rated speed1500 rpm

Filters & service parts

model family
ItemSpecCapacityPart #Interval
Oil filterOil filter— find
OilEngine oil—

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.

Common questions

What is the power rating of the Cummins/Onan KTA38?

The Cummins/Onan KTA38 is rated 895 kW standby (1425.0 kVA).

What engine does the Cummins/Onan KTA38 use?

The Cummins/Onan KTA38 is powered by the Cummins/Onan KTA38-D(M1) engine.

What fuel does the Cummins/Onan KTA38 use?

The Cummins/Onan KTA38 runs on #2 Diesel, MGO.

What alternator does the Cummins/Onan KTA38 use?

The Cummins/Onan KTA38 uses a Stamford/AvK PM734B alternator.

Parts

77
Part #DescriptionQtySystem
009492Angle, Air Cleaner MIG2Angle PartsGeek
009515Heat Shield, Hose Insulation2Heat shield PartsGeek
009577Mounting Plate1Mounting plate PartsGeek
009578Side Support LH1Side support PartsGeek
009579Side Support RH1Side support PartsGeek
009580Support Plate1Support plate PartsGeek
009581Air Cleaner Kit (Normal Duty) – 03SC0581Kit PartsGeek
009762Induction Tube, 6” x 350 mm2Induction tube PartsGeek
010112Thermostat2Thermostat PartsGeek
010156Heater Hose Connection2Connection PartsGeek
0101591” NPT x 16 I/D Hose Connector2Connector PartsGeek
010167Heater Support2Support PartsGeek
011250Battery Link2Link PartsGeek
011261Battery Lead (-VE)1Battery lead PartsGeek
011262Battery Lead (+VE)1Battery lead PartsGeek
011270Battery Lead, +ve1Battery lead PartsGeek
011281STR/STR - STR/Earth Lead (-VE)2Lead PartsGeek
01930388Sender, Oil Temperature1Sensor PartsGeek
0300-4623-26DFJD (600V)1Current transformer PartsGeek
0300-4623-51DFJD BR (0-480V)1Current transformer PartsGeek
03090269Switch, Low Engine Temperature (LET)1Switch PartsGeek
035090Battery Clamp1Clamp PartsGeek
035095Clamp Bolt2Bolt PartsGeek
035105Battery Tray1Tray PartsGeek
049001Clip4Clip PartsGeek
05050151Reducer, 1/2” x 1/8” NPT1Reducer PartsGeek
05086111/4’’ NPT x 1’’ NPT Hex Nipple2Nipple PartsGeek
052045Lead Acid Battery - Dry (Export)4Battery PartsGeek
3822575Injector and valve adjustment kit1Injector PartsGeek FridayParts $96.36
418520Battery Terminal, On Line4Terminal PartsGeek
427560Battery Boot, Single Outlet2Boot PartsGeek
427561Battery Boot, Copper Link2Boot PartsGeek
706187M4 x 12 mm Steel Cheesehead Screw8Screw PartsGeek
715250M8 Steel Wing Nuts2Nut PartsGeek
716007M4 Plain Washer, Thick, Steel, Form A8Washer PartsGeek
960-0504PCC Control Service Manual*Service manual PartsGeek
960-0507Detector Control Service Manual**Service manual PartsGeek
M-4352580Upper Gasket SetGasket PartsGeek
3096680Piston STC 13.8:1 Ratio1Service part / kit PartsGeek
3096681Piston KT Series 15.5:1 Ratio1Service part / kit PartsGeek
3096682Piston KTA Series 14.5:1 Ratio1Service part / kit PartsGeek
3096683Piston 13.5:1 Ratio1Service part / kit PartsGeek
3096684Piston KTA 15.7:1 Ratio1Service part / kit PartsGeek
3096685Piston STC 13.9:1 Ratio1Service part / kit PartsGeek
332-2634Clamp, Retainer 4 Prior To December 1996 Production (Mounted On Top And Side Of Control Box Wrapper)10Service part / kit PartsGeek
3628731Piston STC Kit1Service part / kit PartsGeek
3630913Piston KTA-50-G71Service part / kit PartsGeek
3631241Piston Kit STC 13.9:1 Ratio1Service part / kit PartsGeek
3631242Piston Kit 13.5:1 Ratio1Service part / kit PartsGeek
3631243Piston Kit KTA 15.7:1 Ratio1Service part / kit PartsGeek
3631244Piston Kit KTA Series 14.5:1 Ratio1Service part / kit PartsGeek
3631245Piston Kit KT Series 15.5:1 Ratio1Service part / kit PartsGeek
3631246Piston Kit STC 13.8:1 Ratio1Service part / kit PartsGeek
3803530Piston Assembly STC1Service part / kit PartsGeek
3804747Piston Kit KTA-50-G71Service part / kit PartsGeek
3804885Piston KTA-50-G8/G91Service part / kit PartsGeek
4089847Piston Kit GTA38/191Service part / kit PartsGeek
4090013Piston Kit KTA-38-M21Service part / kit PartsGeek
4090029Piston Kit QSK19CE1Service part / kit PartsGeek
4090181Piston GTA38/191Service part / kit PartsGeek
4097889Piston KTA-38-M21Service part / kit PartsGeek
4910463Piston QSK19R/M1Service part / kit PartsGeek
4910465Piston QSK Series1Service part / kit PartsGeek FridayParts $1134.77
4916177Piston GTA/GQSK191Service part / kit PartsGeek
4918058Piston QSK19CE1Service part / kit PartsGeek
4922319Piston QSK19C1Service part / kit PartsGeek
4955233Piston Kit QSK19R/M1Service part / kit PartsGeek
4955235Piston Kit QSK Series1Service part / kit PartsGeek FridayParts $1134.77
4955236Piston Kit QSK19C1Service part / kit PartsGeek
4955238Piston Kit GTA/GQSK191Service part / kit PartsGeek
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 PartsGeek
518-0548-42Clamp, Retainer 4 Prior To December 1996 Production (Mounted On Top And Side Of Control Box Wrapper)20Service part / kit PartsGeek
960-0104Service part / kit PartsGeek
960-0142Service part / kit PartsGeek
960-0263Service part / kit PartsGeek
960-0606Service part / kit PartsGeek
M-3804747Piston KitService 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
25%25%63.016.7
50%50%115.030.4
75%75%159.042.1
Base25%79.020.7
Continuous100%193.051.0
Prime185.049.0
Prime20%
Prime25%81.021.5
Prime40%
Prime50%137.036.0
Prime60%
Prime75%190.050.1
Prime80%
Prime100%226.759.9
Standby20%
Standby25%81.0
Standby40%
Standby50%136.0
Standby60%
Standby75%190.0
Standby80%
Standby100%104.127.5

Available documents

Engine spec — 0042660 (Cummins/Onan)Engine spec — 0043063 (Cummins/Onan)Engine spec — 0055782 (Cummins/Onan)Engine spec — 3885235 (Cummins/Onan)Engine spec — 3885341 0601 (Cummins/Onan)Engine spec — 4000174 0801 (Cummins/Onan)Engine spec — cummins-k-series-mining-specs (Cummins/Onan)Engine spec — ds4983 (Cummins/Onan)Engine spec — fr6218 (Cummins/Onan)Engine spec — fr6219 (Cummins/Onan)Engine spec — fr6220 (Cummins/Onan)Engine spec — fr6253 (Cummins/Onan)Engine spec — fr6254 (Cummins/Onan)Engine spec — fr6313 (Cummins/Onan)Engine spec — fr6324 (Cummins/Onan)Engine spec — kta38m0Spec sheet — 0070362 (Cummins/Onan)Spec sheet — 0070363 (Cummins/Onan)Spec sheet — 0070364 (Cummins/Onan)Spec sheet — 0072237Spec sheet — K38-CP complete (Cummins/Onan)Spec sheet — KTA38-G3 (Cummins/Onan)Spec sheet — KTA38-G4 (Cummins/Onan)Spec sheet — KTA38-G7Spec sheet — KTA38G4 (Cummins/Onan)Spec sheet — fr6217 (Cummins/Onan)Spec sheet — fr6252 (Cummins/Onan)Spec sheet — kta38g3 2 (Cummins/Onan)Spec sheet — mg6383 (Cummins/Onan)Spec sheet — rental-generator-sets-rating-cards-international-50-60hz-10-2025Reference — Schedule Technical2012 (Cummins/Onan)Parts manual — 960-0236 Onan DFBE NT5 Parts Manual (2-1990) (Cummins/Onan)Parts manual — 960-0238 Onan DFCB NTA2 Parts Manual (2-1990) (Cummins/Onan)Parts manual — 960-0248 Onan DFEB KTA12 Parts Manual (12-1989) (Cummins/Onan)Parts manual — 960-0249 Onan DFJA KTA31 Parts Manual (12-1989) (Cummins/Onan)Parts manual — 960-0250 Onan DFJB KTA32 Parts Manual (12-1989) (Cummins/Onan)Parts manual — 960-0252 Onan DFFA KTT11 Parts Manual (12-1989) (Cummins/Onan)Service manual — DFZ KTA38 0960-0230 I1 198612 (Cummins/Onan)