HomeCummins/OnanCummins/Onan KTA 19G

Cummins/Onan KTA 19G Generator Set

The Cummins/Onan KTA 19G is a 350 kW (437 kVA) standby generator set powered by a Cummins/Onan KTA 19G engine. It is available at 120/240 V, 120/208 V, 127/220 V, 139/240 V, 220/380 V, 240/416 V, 254/440 V, 277/480 V and 347/600 V, A (U), B (V), C (W) and 60 Hz. It holds about 61 L (16.1 gal) of oil and 76 L (20.1 gal) of coolant. The set measures 3734×1753×4966 mm (147.0×69.0×195.5 in).

350 kW
Standby
18.8 L
Displacement
61.0 L
Oil capacity
1
Document types

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

Specifications

Frequency60.0 Hz
Standby power350 kW
Standby kVA437
EmissionsEPA SI Stationary Emergency Certified
ControllerPowerCommand (PCC) 3300
Oil capacity61.0 L
Voltage options120/240 V, 120/208 V, 127/220 V, 139/240 V, 220/380 V, 240/416 V, 254/440 V, 277/480 V, 347/600 V
PhaseA (U), B (V), C (W)
Power factor0.8
Battery quantity2
Dimensions (L×W×H)3734×1753×4966 mm

Engine

Cummins/Onan KTA 19G
Oil capacity61.0 L
Coolant capacity76.0 L
Displacement18.8 L
AspirationNatural Gas
Rated speed1800 rpm

Maintenance & consumables

for the Cummins/Onan KTA 19G
ItemSpecCapacityPart #Interval
Air filter
Fuel filterFuel inlet pressure at GenSet connection: 356 to 508 mm WC (14 to 20 in. WC)
Oil filterOne spin-on canister-combination full flow with bypass
Battery8D (x2)
Belt
Coolant
Oil
Spark plug

Service specifications

12
TypeItemValueUnitCondition
OtherBattery charging alternator37amps
OtherCranking current880ampsat ambient temp of 0 °C (32 °F)
OtherFrequency regulationIsochronous
OtherRandom frequency variation±0.5%
OtherRegenerative power33kW
PressureFuel inlet pressure at GenSet connection356 to 508mm WC (14 to 20 in. WC)
PressureSilencer back pressure (factory enclosed units only)5.6mm Hg (.22 in. Hg)Factory enclosed units only
PressureTotal system back pressure allowed51mm Hg (2 in. Hg)
SpeedOverspeed limit2100rpm
TemperatureStandard temperature rise (alternator)125°C
VoltageRandom voltage variation±1%Three-phase only
VoltageVoltage regulation, no load to full load±1%

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Recommended fluids

FluidGradeStandardAmbientCapacityNotes
FuelNG (natural gas)Fuel inlet pressure at GenSet connection: 356 to 508 mm WC (14 to 20 in. WC)

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Common questions

What size generator is the Cummins/Onan KTA 19G?

The Cummins/Onan KTA 19G is rated 350 kW standby (437.0 kVA).

Which engine powers the Cummins/Onan KTA 19G?

The Cummins/Onan KTA 19G is powered by the Cummins/Onan KTA 19G engine.

How much oil does the Cummins/Onan KTA 19G take?

The Cummins/Onan KTA 19G engine in the Cummins/Onan KTA 19G has an oil capacity of 61.0 liters.

Parts

48model family
Part #DescriptionQtySystem
010111Coolant Tank Heater 2kW, 240V1Heater Amazon eBay
010112Thermostat2Thermostat Amazon eBay
0101581/2”NPT Connector x 16 I/D Hose1Connector Amazon eBay
0101591” NPT x 16 I/D Hose Connector2Connector Amazon eBay
0101631” NPT Tapped, Hex Eng Plug1Eng plug buy
010167Heater Support2Support Amazon eBay
011250Battery Link2Link Amazon eBay
011261Battery Lead (-VE)1Battery lead Amazon eBay
011262Battery Lead (+VE)1Battery lead Amazon eBay
011263Battery Lead (+VE)1Battery lead buy
011264Battery Lead (-VE)1Battery lead buy
011285Str/Earth Lead (-VE)1Str earth lead buy
01930388Sender, Oil Temperature1Sensor Amazon eBay
01930432Sender, Oil Temperature1Oil temperature sensor Amazon $76.00 eBay
019456Sender/Switch, Oil Temperature1Oil temperature sensor buy
0230483/4” Bore Fuel Hose1Fuel hose buy
023125High Temp. Steam Hose 1” Bore, 1.5 m1Hose Amazon eBay
035090Battery Clamp1Clamp Amazon eBay
035095Clamp Bolt2Bolt Amazon eBay KuduParts $239.99
035105Battery Tray1Tray Amazon eBay FridayParts $43.92
046385Pump Bracket1Bracket buy
049001Clip4Clip Amazon eBay
050105Semi-rotary Hand Pump, ½” BSF1Pump buy
0501162Adaptor, M/F1Adaptor buy
050141½” BSP Brass Draw-off Plug1Draw off plug buy
05016790O Elbow, M/F, 1” BSP1Elbow buy
050179½’ BSP Nipple1Nipple buy
050219Hose Connection2Connection buy
0502201/2” BSP Elbow, M/F2Elbow Amazon eBay
050334½’ BSP Socket – BS 17401Socket buy
050336BSP Socket, BS17401Socket buy
05050151Reducer, 1/2” x 1/8” NPT1Reducer Amazon eBay
050695Oil Sump Drain Valve1Valve buy
052045Lead Acid Battery - Dry (Export)4Battery Amazon eBay
052198Lead Acid Battery – Charged (UK only)4Battery Amazon eBay
06SC024Switch, Low Coolant Level S35/011Switch buy
082657Label, Emergency Stop2Label Amazon eBay
413080Emergency Stop Push-switch2Emergency stop push switch buy
418520Battery Terminal, On Line4Terminal Amazon eBay
418521Battery Terminal, On Line4Terminal Amazon eBay
427559Battery Boot, Double Outlet4Battery boot Amazon eBay
427560Battery Boot, Single Outlet2Boot Amazon eBay
427561Battery Boot, Copper Link2Boot Amazon eBay
706187M4 x 12 mm Steel Cheesehead Screw8Screw Amazon eBay
715007M4 Nut, Steel, Normal Series8Nut Amazon eBay
715250M8 Steel Wing Nuts2Nut Amazon eBay
716007M4 Plain Washer, Thick, Steel, Form A8Washer Amazon eBay
716367M4 Steel Spring Washer, Single-coil8Spring washer Amazon eBay

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Available documents

Spec sheet — A042J409 (Cummins/Onan)Spec sheet — C275N6C A042J421 (Cummins/Onan)Parts manual — KTA19G JENERATOR KIRLOSKAR (Cummins/Onan)
Other sets with this engine