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Home›Cummins/Onan›Cummins/Onan KTA-38

Cummins/Onan KTA-38 Generator Set

The Cummins/Onan KTA-38 is a generator set powered by a Cummins/Onan KTA38-G1 engine. It is available at 24 V. It holds about 129 L (34.1 gal) of oil and 308 L (81.4 gal) of coolant. Starting uses 4 group-8 batteries rated 975 CCA at 12 V. The same KTA38-G1 engine also powers generator sets from Onan.

129.0 L
Oil capacity
0
Document types

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

Specifications

Standby kVA1425
Oil capacity129.0 L
Voltage options24 V
Battery group8
Battery cranking975 CCA
Battery voltage12 V
Battery quantity4
Coolant capacity308 L

Engine

Cummins/Onan KTA38-G1
Oil capacity129.0 L
Coolant capacity308.0 L
Rated speed1800 rpm

Maintenance & consumables

for the Cummins/Onan KTA38-G1
ItemSpecCapacityPart #Interval
Air filter— find
Fuel filterDiesel fuel filter— find
Oil filter— find
Belt— find
Coolant—
OilSAE 10W-30 (-25C to 35C) or SAE 15W-40 (above -10C)129.0 L—

Common questions

What engine does the Cummins/Onan KTA-38 use?

The Cummins/Onan KTA-38 is powered by the Cummins/Onan KTA38-G1 engine.

What is the oil capacity of the Cummins/Onan KTA-38?

The Cummins/Onan KTA38-G1 engine in the Cummins/Onan KTA-38 has an oil capacity of 129.0 liters.

Troubleshooting

1

Symptoms & remedies

SymptomRemedy
Engine fails to start, or starts, runs and then stopsRefer to Troubleshooting Section in the Operator’s manual

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.

Parts

95
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
03090269Switch, Low Engine Temperature (LET)1Switch PartsGeek
035090Battery Clamp1Clamp PartsGeek
035095Clamp Bolt2Bolt PartsGeek kuduparts $239.99
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
3032733Control-12 or 24V (Plug-In type, for mounting in Cummins Engine Instrument Panel or Generator Control Panel Enclosure)Control PartsGeek
3037359Control-12 or 24V (For Remote Mounting, Enclosed)Control PartsGeek
3044189Actuator, 24V, Normally Closed, Low Flow, for use on NT-855 and KTA-19 enginesActuator PartsGeek
3044190Actuator, 24V, Normally Closed, High Flow, for use on VTA-28, KT(A)38, and KTA-50Actuator PartsGeek
3044191Actuator, 24V, Normally Closed, Ultra-Hi Flow, for use on KTTA-38 and KTTA-50Actuator PartsGeek
3044192Actuator, 12V, Normally Closed, Low Flow, for use on NT-855 and KTA-19 enginesActuator PartsGeek
3044193Actuator, 12V, Normally Closed, High Flow, for use on VTA-28, KT(A)-38, and KTA-50Actuator PartsGeek
3044194Actuator, 12V, Normally Closed, Ultra-Hi Flow, for use on KTTA-38 and KTTA-50Actuator PartsGeek
3044195Control, 24V, Normally Closed, Low Flow, for use on VTA-28, KTA-38 and KTA-50Control PartsGeek FridayParts $79.99
3044196Control, 24V, Normally Closed, High Flow, for use on KTTA-38 and KTTA-50Control PartsGeek FridayParts $57.50
3044197Control, 24V, Normally Closed, Ultra-Hi Flow, for use on KTTA-38 and KTTA-50Control PartsGeek
3044198Control, 12V, Normally Closed, Low Flow, for use on VTA-28, KTA-38 and KTA-50Control PartsGeek
3044199Control, 12V, Normally Closed, High Flow, for use on KTTA-38 and KTTA-50Control PartsGeek
3044200Control, 12V, Normally Closed, Ultra-Hi Flow, for use on KTTA-38 and KTTA-50Control PartsGeek
3044201Control, 24V, Normally Open, Low Flow, for use on VTA-28 and KTA-38Control PartsGeek
3044202Control, 24V, Normally Open, High Flow, for use on KTTA-50Control PartsGeek
3044203Control, 24V, Normally Open, Ultra-Hi Flow, for use on KTTA-50Control PartsGeek
3044204Control, 12V, Normally Open, Low Flow, for use on VTA-28 and KTA-38Control PartsGeek
3044205Control, 12V, Normally Open, High Flow, for use on KTTA-50Control PartsGeek
3044206Control, 12V, Normally Open, Ultra-Hi Flow, for use on KTTA-50Control PartsGeek
3052504Actuator Low Flow-24V-For use on NT-855 and KTA-19 (KTA-1150) enginesActuator PartsGeek
3052505Actuator High Flow-24V-For use on VTA-28 (VTA-1710), KTA-38 (KT(A)-2300) and KTA-50 (KTA-3067) enginesActuator PartsGeek
3052506Actuator Ultra High Flow-24V-For use on KTTA-38 (KTTA-2300) and KTTA-50 (KT TA-3067) enginesActuator PartsGeek
3052507Actuator Low Flow-12V-For use on NT-855 and KTA-19 (KTA-1150) enginesActuator PartsGeek
3052508Actuator High Flow-12V-For use on VTA-28 (VTA-1710), KTA-38 (KT(A)-2300) and KTA-50 (KTA-3067)Actuator PartsGeek
3052509Actuator Ultra High Flow-12V-For use on KTTA-38 (KT TA-2300) and KTTA-50 (KT TA-3067)Actuator PartsGeek
3379068PT (type G) Fuel Pump Calibration ManualManual PartsGeek
3379071Injector Rebuild ManualManual PartsGeek
3379081PT (type G) Fuel System Flow Diagram - All InjectorsManual PartsGeek
3379082PT (type G) Non AFC Fuel Pump Cross Section and FlowManual PartsGeek
3379101Fuel Pump Rebuild and Calibration ProceduresManual PartsGeek
3379103PT (type G) AFC - VS Fuel Pump Cross Section and FlowManual PartsGeek
3379172PT (type H) AFC Fuel Pump Cross Section and FlowManual PartsGeek
3379237Theory of Cummins PT Fuel SystemManual PartsGeek
3379290PT (type G) Fuel Pump Operation and AdjustmentManual PartsGeek
3379291PT (type G) AFC Fuel Pump Operation and AdjustmentsManual PartsGeek
3379292PT (type G) AFC Fuel Pump TroubleshootingManual PartsGeek
3379293PT (type D) Injector In Line and Vee Series EnginesManual PartsGeek
3379294Cummins AneroidsManual PartsGeek
3379485PT (type G) AFC Fuel Pump Parts - July, 1979Manual PartsGeek
3379664Injector Parts, Flow and Cross ReferenceManual PartsGeek
3382409Construction, Mining, Logging, Agriculture, Fire Pump, Generator Sets, and Stationary Power Fuel SystemManual PartsGeek dieselpartscenter $38.03
3382576Marine Fuel SystemManual PartsGeek dieselpartscenter $1545.89
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
CS-1075-1HEAT EXCHANGERHeat exchanger PartsGeek
ES-1214.2FUEL TRANSFER PUMP - ELECTRICFuel filter PartsGeek
ES-1680-1BATTERY CONNECTIONSBattery connections PartsGeek
332-2634Clamp, Retainer 4 Prior To December 1996 Production (Mounted On Top And Side Of Control Box Wrapper)10Service part / kit PartsGeek
3376613Potentiometer Screwdriver1Service part / kit PartsGeek
3376897Cycle (Frequency) Meter1Service part / kit PartsGeek
3376898Electrical Multitester1Service part / kit PartsGeek
3377462Digital Tachometer1Service 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
960-0609Service part / kit PartsGeek
CS-1367-2COOLANT HEATERService part / kit PartsGeek
M-3096682PistonService part / kit PartsGeek
M-3631244Piston Kit - AluminumService 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
Prime
Standby

Available documents

Service manual — DFZ KTA38 0960-0230 I1 198612 (Cummins/Onan)

Other sets with this engine

Cummins/Onan DFJA