The Kohler KDW1404-H is a 1.37 L 4-cylinder engine rated at 3000 rpm. It powers generator sets from SDMO, including the K21. It holds 3.3 L (0.9 gal) of oil and 5 L (1.3 gal) of coolant.
Maintenance schedule
| Item | Spec | Capacity | Part # | Interval | |
|---|
| Air filter | | | — | 1200 hr | |
| Fuel filter | | | — | 1200 hr | |
| Oil filter | | | — | 1200 hr | |
| Battery | | | — | 1200 hr | |
| Belt | | | — | | |
| Coolant | | 5.0 l | — | | |
| Oil | | 3.3 l | — | | |
| Spark plug | | | — | 1200 hr | |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
Parts cataloged across the Kohler KDW1404 family
1| Part # | Description | Category |
|---|
| ED0053029340 | Rocker arm cover gasket | gasket |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.