The Isuzu 4JJ1X is a 2.99 L 4-cylinder turbo w/ intercooler engine rated at 1800 rpm, producing up to 65.5 kW. It powers generator sets from Atlas Copco and Energy Pac, including the QAS 70 ID T4 and ML60IMRD. It holds 14 L (3.7 gal) of oil and 6 L (1.6 gal) of coolant.
Also known as: Isuzu 4JJ1X
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| Oil capacity | 14.0 L |
|---|---|
| Coolant capacity | 6.0 L |
| Displacement | 2.99 L |
| Cylinders | 4 |
| Aspiration | Turbo w/ Intercooler |
| Rated speed | 1800 rpm |
| Gross power | 65 kW |
Shared across brands: Atlas Copco, Energy Pac
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | 1000 hour service interval | — | 1000 hr | ||
| Fuel filter | 1000 hour service interval | — | 1000 hr | ||
| Oil filter | 1000 hour service interval | 1134202322 | 1000 hr | Amazon eBay $39.99 KuduParts $48.00 | |
| Belt | 1000 hour service interval | — | 1000 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 4JJ1X engine has an oil capacity of 14.0 liters.
The Isuzu 4JJ1X has a displacement of 2.99 liters with 4 cylinders.
The Isuzu 4JJ1X powers 2 generator set(s), including Atlas Copco QAS 70 ID T4, Energy Pac ML60IMRD.
The Isuzu 4JJ1X uses oil filter part numbers Isuzu 1134202322, Donaldson P550596, Wix 57259.
The Isuzu 4JJ1X uses air filter part numbers Atlas Copco 1310033271, Atlas Copco 1310033280, Isuzu IF10604003F.