HomeHipowerHipower HRJW-125 T4F

Hipower HRJW-125 T4F Generator Set

The Hipower HRJW-125 T4F is a 79.4 kW (79.4 kVA) Diesel standby generator set powered by a Isuzu 4HK1X engine. It is available at 120/240 V, 120/208 V, 277/480 V and 347/600 V, 3-phase, 60 Hz and rated 165 A. It holds about 23.78 L (6.3 gal) of oil and 5.2 L (1.4 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 1 group-950 battery at 12 V. The set measures 12340×4880×7370 mm (485.8×192.1×290.2 in). An integrated tank holds 167.4 L (44.2 gal), roughly 19.7 hours of runtime. The same 4HK1X engine also powers generator sets from Isuzu and MQ Power.

79 kW
Standby
5.2 L
Displacement
23.78 L
Oil capacity
1
Document types

Typical fuel consumption for 75–80 kW Diesel generators →

Compare with other 75–80 kW Diesel generators →

Service parts for the HRJW-125 T4F

Grouped by system, with how many of each the parts manual calls for.

Oil system

1 required

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power79 kW
Standby kVA79
EmissionsTier 4 FINAL
ControllerDigital control panel with manual and automatic start and stop features. Many programmable automatic functions for local and remote controls with LED lights, tamper proof engine hour recorder.
Oil capacity23.78 L
AlternatorStamford/AvK UCI 274 E with PMG
Voltage options120/240 V, 120/208 V, 277/480 V, 347/600 V
Phase3
Rated current165 A
Power factor0.8
Circuit breaker165 A
Battery group950 Amps
Battery voltage12 V
Battery quantity1
Coolant capacity5.2 L
Max ambient50 °C
Dimensions (L×W×H)12340×4880×7370 mm
Fuel tank167.4 L
Tank runtime19.7 hr

Engine

Isuzu 4HK1X
Oil capacity5.86 L
Coolant capacity3.6 L
Displacement5.2 L
AspirationTurbocharged, Charge Air Cooled
Rated speed2000 rpm

Maintenance & consumables

for the Isuzu 4HK1X
ItemSpecCapacityPart #Interval
Air filter
Fuel filter500 hr
Oil filter1134202322500 hr Amazon eBay $39.99 KuduParts $48.00
Belt
Coolant
Oil500-hour oil drain & service interval500 hr

Common questions

How many kW is the Hipower HRJW-125 T4F?

The Hipower HRJW-125 T4F is rated 79 kW standby (79.4 kVA).

Which engine powers the Hipower HRJW-125 T4F?

The Hipower HRJW-125 T4F is powered by the Isuzu 4HK1X engine.

Is the Hipower HRJW-125 T4F diesel or gas?

The Hipower HRJW-125 T4F runs on Diesel.

How much oil does the Hipower HRJW-125 T4F take?

The Isuzu 4HK1X engine in the Hipower HRJW-125 T4F has an oil capacity of 5.86 liters.

Which alternator is fitted to the Hipower HRJW-125 T4F?

The Hipower HRJW-125 T4F uses a Stamford/AvK UCI 274 E with PMG alternator.

Which oil filter part number does the Hipower HRJW-125 T4F take?

The Hipower HRJW-125 T4F uses oil filter part number 1134202322.

Parts

21
Part #DescriptionQtySystem
095000-5471Injector G2 TypeInjector Amazon eBay $349.00 FridayParts $420.00
275800-2812Engine ECU Electronic Control UnitSensor Amazon eBay $399.00
275800-2822Engine ECU Electronic Control UnitSensor Amazon eBay
294000-0260Supply Pump HP3/HP4Pump Amazon eBay $379.05 FridayParts $588.00
5-8840-2623-0Nozzle sleeve removerInjector Amazon eBay
5-8840-2675-0Compression gauge1Compression gauge Amazon eBay
5-8840-2826-0Injector removerInjector Amazon eBay
J-26999-12Compression gaugeCompression gauge Amazon eBay
WSHK0005Compression gauge1Compression gauge Amazon eBay
ZYB-1309L/2052Power Steering Pump OEM: 470-04170 / 119500538 / 1-19500636-1Pump buy
02-11-08Optional side cutters add 6 inches (150 mm) to bucket widths.Service part / kit Amazon eBay
095440-0351Common RailService part / kit Amazon eBay $363.31 FridayParts $369.51
1A-10ENGINE MECHANICAL (4HK1, 6HK1)1Service part / kit Amazon eBay
1A-12ENGINE MECHANICAL (4HK1, 6HK1)1Service part / kit Amazon eBay
1A-14ENGINE MECHANICAL (4HK1, 6HK1)1Service part / kit Amazon eBay
5-8840-0019-0Sliding hammerService part / kit Amazon eBay
5-8840-2621-0Valve spring replacerService part / kit Amazon eBay
5-8840-2628-0Valve guide replacerService part / kit Amazon eBay
8-9439-6862-0Pivot ASMService part / kit Amazon eBay
93207-01050Cylinder head coverService part / kit Amazon eBay
93207-01060Battery ground cableService 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
Prime125.55125.55
Prime25%41.87541.875
Prime50%83.7583.75
Prime100%167.4167.4
Standby25%41.87541.875
Standby50%83.7583.75
Standby75%125.55125.55
Standby100%167.4167.4

Available documents

Spec sheet — HIPOWER HRJW-125-T4F (Hipower)
Full service, cheapest listings

Priced items from this model's own parts manual.

Oil filter 1134202322$39.99
1 priced item$39.99
Other sets with this engine