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Cummins/Onan 8HDKAG Generator Set

The Cummins/Onan 8HDKAG is a 8 kW diesel standby generator set powered by a Kubota V1505 engine. It is available at 110/220 V, single-phase and 50 Hz. It holds about 6.7 L (1.8 gal) of oil and 4.73 L (1.2 gal) of coolant. The set measures 1028×533×662 mm (40.5×21.0×26.1 in), weighs about 236.9 kg (522 lb) and produces 76 dBA at 3 m. The same V1505 engine also powers generator sets from Atlas Copco and WhisperPower.

8 kW
Standby
1.499 L
Displacement
6.7 L
Oil capacity
1
Document types

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

Typical fuel consumption for 5–10 kW Diesel generators →

Compare with other 5–10 kW Diesel generators →

Specifications

Fueldiesel
Frequency50.0 Hz
Standby power8 kW
EmissionsTier IV
ControllerElectronic voltage regulation
Oil capacity6.7 L
Voltage options110/220 V
Phase1 or 3
Power factor1.0 or 0.8
Circuit breaker35 A A
Battery voltage12 V
Coolant capacity4.73 L
Dimensions (L×W×H)1028×533×662 mm
Dry weight236 kg
Sound level76.0 dBA @ 3 m

Engine

Kubota V1505
Oil capacity4.3 L
Coolant capacity5.0 L
Displacement1.499 L
Aspiration4-Stroke Cycle, Indirect Injection, Water Cooled Diesel
Rated speed1800 rpm

Filters for the Kubota V1505

5

Engine-mounted filters the filter manufacturers list for this engine family. These come from the engine, not from this generator set’s own parts list, so confirm against your serial number before ordering.

SystemFilterDescriptionCross-references
Oil filterP502051Lube Filter, Spin-On Full FlowKUBOTA 1627132090, KUBOTA 1627132092, NAPA 1334, NAPA 1344 buy
Oil filterP550162Lube Filter, Spin-On Full FlowKUBOTA 1524132040, KUBOTA 1542132090, NAPA 1301, NAPA 1334 FridayParts $10.50
Fuel filterP550127Fuel Filter, Spin-OnKUBOTA 1522143170, KUBOTA 1522143171, NAPA 3390, WALGAHN-MOTORENTECHN 00811936 KuduParts $16.00
Fuel filterP550012Fuel Filter, In-LineKUBOTA 1258143010, KUBOTA 1258143011, BALDWIN BF840-K1, RENAULT VI 0005490862 KuduParts $13.00 FridayParts $15.50
Fuel / water separatorP551039Fuel Filter, Water Separator Spin-On Twist&DrainNAPA 3192, BALDWIN BF1257, CLUB CAR 102614001, CLUB CAR 102703401 FridayParts $25.40 KuduParts $97.00

Same engine, other brands

2 brands

The Kubota V1505 in this set also powers 4 generator sets sold under 2 other brands. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.

BrandModels
Atlas CopcoXAHS 38, XAS 58, XAS 68
WhisperPowerPiccolo 18

Recommended fluids

FluidGradeStandardAmbientCapacityNotes
FuelNo. 2 diesel

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 8HDKAG?

The Cummins/Onan 8HDKAG is rated 8 kW standby.

What engine does the Cummins/Onan 8HDKAG use?

The Cummins/Onan 8HDKAG is powered by the Kubota V1505 engine.

What kind of fuel does the Cummins/Onan 8HDKAG run on?

The Cummins/Onan 8HDKAG runs on diesel.

What's the oil capacity on a Cummins/Onan 8HDKAG?

The Kubota V1505 engine in the Cummins/Onan 8HDKAG has an oil capacity of 4.3 liters.

What is the coolant capacity of the Cummins/Onan 8HDKAG?

The Cummins/Onan 8HDKAG cooling system holds 4.73 liters (1.2 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

How loud is the Cummins/Onan 8HDKAG?

The Cummins/Onan 8HDKAG is rated at 76.0 dBA at 3 m, per the manufacturer specification sheet.

How much does the Cummins/Onan 8HDKAG weigh?

The Cummins/Onan 8HDKAG has a dry weight of 236 kg (522 lb).

What voltage does the Cummins/Onan 8HDKAG produce?

The Cummins/Onan 8HDKAG is offered in 110/220 V, 1 or 3-phase.

Parts

23
Part #DescriptionQtySystem
122-0810Filter, Oil1Oil filter Amazon eBay $12.39 NAPA $3.59
132-0349Impeller kit w/cover & gasket1Impeller Amazon eBay NAPA $29.60 FridayParts $27.99
132-0375Impeller1Impeller Amazon eBay FridayParts $26.00
132-0379Kit, Minor Service (Includes Parts Marked *)1Impeller Amazon eBay $29.95
149-2106Element1Fuel filter Amazon eBay $34.99 NAPA $61.61 KuduParts $68.00
185-5421Plug, Glow2Glow plug Amazon eBay $35.00
185-5835Filter, Oil1Oil filter Amazon eBay $21.78 NAPA $3.59 FridayParts $20.19
185-5990Glow plug4Glow plug Amazon eBay $55.74
185-672524V Glow Plugs4Glow plug Amazon eBay
185-6934Belt, Fan (37.5")1Belt Amazon eBay $70.52
185-7268Glow Plug (24 Volt)3Glow plug Amazon eBay
300-1500Fuel Filter1Fuel filter Amazon
323-1544Thermostat1Thermostat Amazon eBay
324-1491Oil Filter1Oil filter Amazon eBay
324-1542Fuel Injection Pump1Pump Amazon eBay
511-0201Belts (24V)1Belt Amazon eBay $19.99
612-6673Water Pump1Pump Amazon eBay
100-3478-02Cruise Kit2Service part / kit Amazon eBay
100-3478-04Cruise Kit1Service part / kit Amazon eBay
130-4434Pencil, Zinc1Service part / kit Amazon eBay $34.17 NAPA $23.21
185-6721Element, Breather1Service part / kit Amazon eBay
W10316890D1305-E3B, V1505-E3B, V1505-T-E3BService part / kit Amazon
W10441170D1005-E3B, D1105-E3B, D1105-T-E3BService part / kit Amazon eBay

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
Standby1.10.29
Standby50%2.080.55
Standby100%3.91.04

Available documents

Spec sheet — a-1393 (Cummins/Onan)

This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.