HomeCummins/OnanCummins/Onan KtA19

Cummins/Onan KtA19 Generator Set

The Cummins/Onan KtA19 is a generator set powered by a Cummins/Onan KTA19 engine. It holds about 45 L (11.9 gal) of oil and 90 L (23.8 gal) of coolant. The set weighs about 1800 kg (3968 lb).

18.7 L
Displacement
45.0 L
Oil capacity
3
Document types

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

Specifications

Oil capacity45.0 L
Dry weight1800 kg

Engine

Cummins/Onan KTA19
Oil capacity45.0 L
Coolant capacity90.0 L
Displacement18.7 L

Maintenance & consumables

for the Cummins/Onan KTA19
ItemSpecCapacityPart #Interval
Air filter1000 hr find
Fuel filter500 hr find
Oil filter1000 hr find
Belt180 hr find
CoolantStandard radiator cooling system capacity90.0 L540 hr
Coolant filter find
Oil45.4 L

Common questions

What engine does the Cummins/Onan KtA19 use?

The Cummins/Onan KtA19 is powered by the Cummins/Onan KTA19 engine.

What is the oil capacity of the Cummins/Onan KtA19?

The Cummins/Onan KTA19 engine in the Cummins/Onan KtA19 has an oil capacity of 45.0 liters.

Troubleshooting

14

Symptoms & remedies

SymptomCauseRemedy
Engine Will Not Crank or Cranks Slowly (Air Starter)Incorrect Oil For Operating ConditionsChange oil and filters. Use recommended type (15W-40).
Engine Will Not Crank or Cranks Slowly (Electric Starter)Incorrect OilChange oil and filters. Use recommended type (15W-40).
Engine Hard to Start or Will Not Start (Exhaust Smoke Present)Engine Cranking Speed Low (Below 150 RPM)Check engine starting system.
Engine Cranks But Will Not Start (No Smoke From Exhaust)No Fuel In TankAdd fuel.
Engine Starts But Will Not Keep RunningAir In The Fuel SystemCheck for air in fuel, tighten fuel connections, tighten filter, check fuel tank stand pipe.
Engine Will Not Shut OffFuel Pump Manual Override Open.Check to make sure manual override screw is out to maximum travel.
Lubricating Oil Pressure LowIncorrect Oil LevelCheck for oil leaks. Add or drain engine oil. Check dipstick calibration.
Radiator Shutters are not Opening Completely or Cold Weather Radiator Cover ClosedInspect the shutters. Repair or replace if necessary. Open radiator cover.
Coolant Temperature Below NormalRadiator Shutters Stuck in Open Position or Opening EarlyInspect the shutters. Repair or replace if necessary.
Coolant Temperature Above NormalLow Coolant Level; Air Trapped in Cooling System; Plugged Heat Exchanger; Plugged Cooling Passages in Cylinder Head, Head Gasket, or Cylinder Block; Malfunctioning Keel CoolerAdd coolant.; Vent the cooling system to remove air.; Check/replace heat exchanger.; Flush the cooling system; fill with new coolant.; Refer to vessel manufacturer's service instructions.
Exhaust Smoke Excessive Under LoadIntake Air System Restricted; Intake Air Leaks Between Turbo-charger and Cylinder Head; Fuel Specifications Wrong; Valves or Injector Adjusted WrongCheck intake air system for restrictions.; Check for air leaks.; Check fuel specifications.; Check/adjust valves or injectors.
Engine Power Output LowExcessive Load for Engine Horsepower Rating; Low Power Due to Altitude; Fuel Suction Line or Fuel Filter Restricted; Lubricating Oil Level Too High; Throttle Linkage Adjustment Wrong; Intake or Exhaust System Restricted; Air in Fuel - Spongy Throttle; Fuel Drain Line Restricted or Fuel Tank Vents PluggedReduce vehicle load.; Derate engine above 3600 meters altitude.; Check fuel line for restriction. Replace fuel filter.; Check dipstick calibration and off pan capacity.; Check throttie linkage adjustment for full opening of throttle lever.; Check intake and exhaust systems for restrictions.; Check for air in fuet, tighten fuel connections and filter, check fuel tank stand pipe.; Check fuel drain line for toops, crimps or clamped points. Remove, clean, or replace venis.
Engine Will Not Reach Rated Speed When LoadedExcessive Load for Engine Horsepower Rating; Tachometer Has a Malfunction; Throttle Linkage Adjustment Wrong; Fuel Suction Line RestrictedReduce vehicle load or use lower gear.; Check with hand or digital tachometer.; Check for full throttle travel.; Check fuel inlet for restriction.
White Smoke or Rough Running At Idle (After Warmup Period)Low Coolant TemperatureRefer to “Coolant Temperature Below Normal” chart.

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

Parts

35
Part #DescriptionQtySystem
DM-3006737Crankshaft Rear Seal - KTA19, NTA370, NTA4201Seal PartsGeek
FP-IFKKTA19KTA19 In-Frame Kit w/upper gasket set & oil pan gasket1Gasket PartsGeek
M-4352578Upper 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
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
KTA19Engine ModelService 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

Engine spec — cummins-k-series-mining-specs (Cummins/Onan)Parts manual — 960-0248 Onan DFEB KTA12 Parts Manual (12-1989) (Cummins/Onan)Service manual — Cummins Diesel KTA19 Manual 1994 (Cummins/Onan)

Other sets with this engine