The Isuzu 4HK1X is a 5.2 L 4-cylinder turbocharged, charge air cooled engine rated at 2000 rpm, producing up to 175 kW. It powers generator sets from Hipower, Isuzu and MQ Power, including the HRJW-125 T4F, 4HK1, 4HK1XYBW and DCA125SSI. It holds 5.86 L (1.5 gal) of oil and 3.6 L (1.0 gal) of coolant.
Also known as: Isuzu 4HK1X, 4HK1X
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| Oil capacity | 5.86 L |
|---|---|
| Coolant capacity | 3.6 L |
| Displacement | 5.2 L |
| Cylinders | 4 |
| Aspiration | Turbocharged, Charge Air Cooled |
| Rated speed | 2000 rpm |
| Gross power | 175 kW |
Shared across brands: Hipower, Isuzu, MQ Power
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | ||||
| Fuel filter | — | 500 hr | |||
| Oil filter | 1134202322 | 500 hr | Amazon eBay $39.99 KuduParts $48.00 | ||
| Belt | — | ||||
| Coolant | — | ||||
| Oil | 500-hour oil drain & service interval | — | 500 hr |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.
Cross-referenced via Donaldson + OEM/engine-maker interchange — options to verify against your serial number, not confirmed for every exact variant.
Other equipment known to use this engine, via filter-application cross-reference — useful for sourcing parts even when your exact machine isn't listed elsewhere on this page.
The Isuzu 4HK1X engine has an oil capacity of 5.86 liters.
The Isuzu 4HK1X has a displacement of 5.2 liters with 4 cylinders.
The Isuzu 4HK1X powers 4 generator set(s), including Hipower HRJW-125 T4F, Isuzu 4HK1, Isuzu 4HK1XYBW, MQ Power DCA125SSI.
The Isuzu 4HK1X uses oil filter part numbers Isuzu 1134202322, Donaldson P550596, Wix 57259.
The Isuzu 4HK1X oil change interval is every 500 hours.