The Isuzu 4HK1XYGD-03 Tier 3 is a 5.19 L 4-cylinder water-cooled, direct injection, turbocharged, air to air intercooled engine rated at 1800 rpm, producing up to 206.76 kW. It powers generator sets from MQ Power, including the DCA125USI. It holds 23.4 L (6.2 gal) of oil and 19.7 L (5.2 gal) of coolant.
Also known as: ISUZU 4HK1XYGD-03 Tier 3
| Oil capacity | 23.4 L |
|---|---|
| Coolant capacity | 19.7 L |
| Displacement | 5.193 L |
| Cylinders | 4 |
| Aspiration | water-cooled, direct injection, turbocharged, air to air intercooled |
| Rated speed | 1800 rpm |
| Gross power | 206 kW |
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Replace when restriction indicator shows a vacuum of 625 mm (25 in. H20). | WP10186 | PartsGeek FridayParts $49.99 | ||
| Fuel filter | — | 500 hr | find | ||
| Oil filter | 1134202322 | 100 hr | PartsGeek FridayParts $49.99 | ||
| Belt | Check for condition. | — | find | ||
| Coolant | when adding coolant to the radiator, DO NOT remove the radiator cap until the unit has completely cooled. See Table 12 for engine, radiator, and recovery tank coolant capacities. | — | |||
| Oil | fill the engine crankcase with lubricating oil through the filler hole, but DO NOT overfill. Make sure the generator is level and verify that the oil level is maintained between the two notches (Figure 28) on the dipstick. | — | 100 hr |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's 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 4HK1XYGD-03 Tier 3 engine has an oil capacity of 23.4 liters.
The Isuzu 4HK1XYGD-03 Tier 3 has a displacement of 5.193 liters with 4 cylinders.
The Isuzu 4HK1XYGD-03 Tier 3 powers 1 generator set(s), including MQ Power DCA125USI.
The Isuzu 4HK1XYGD-03 Tier 3 uses oil filter part numbers Isuzu 1134202322, Donaldson P550596, Wix 57259.
The Isuzu 4HK1XYGD-03 Tier 3 uses fuel filter part numbers Isuzu 8981527372, Isuzu 8944838500, Donaldson P502424.
The Isuzu 4HK1XYGD-03 Tier 3 uses air filter part numbers Donaldson P500248, Wix WP10186.
The Isuzu 4HK1XYGD-03 Tier 3 oil change interval is every 100 hours.