The Isuzu 4HV1 is a 4.6 L 4-cylinder naturally aspirated engine rated at 2200 rpm, producing up to 59.5 kW. It powers generator sets from Isuzu and Westquip Diesel Sales, including the WQ55NG.
| Displacement | 4.6 L |
|---|---|
| Cylinders | 4 |
| Aspiration | Naturally aspirated |
| Rated speed | 2200 rpm |
| Gross power | 59 kW |
Shared across brands: Isuzu, Westquip Diesel Sales
Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.