The Kohler 2504M is a 2.5 L 4-cylinder liquid cooling engine rated at 2800 rpm, producing up to 102 kW. It powers generator sets from Kohler, including the 20KW KDI and 2504 M.
Also known as: KDI 2504M
Part of the Kohler KDI2504 engine family — 15 variants share parts & fitment.
| Displacement | 2.5 L |
|---|---|
| Cylinders | 4 |
| Aspiration | Liquid cooling |
| Rated speed | 2800 rpm |
| Gross power | 102 kW |
| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| oil | Change | 500 hr | Minimum 500 hours oil change interval |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Fuel | No 1 Diesel (US) - ASTM D 975-09 B - Grade 1-D S 15 and No 2 Diesel (US) - ASTM D 975-09 B - Grade 2-D S 15, S 500 for mechanical models only | ASTM D 975-09 B |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Part # | Description | Category |
|---|---|---|
| A-226955 | Air cleaner assembly | Air filter |
| GM16944 | Element, air cleaner | Air filter |
| GM66601 | Element, Inner | Air filter |
| 8972824032 | Acid charge Pb-Ca maintenance free, 12V - 1100 CCA | Battery |
| 8972824033 | Acid charge Pb-Ca maintenance free, 12V - 1100 CCA | Battery |
| ED0082051350-S | COV.HEAD GASK.-OR SET 2504 TCR | Gasket |
| ED0082051370-S | COV.HEAD GASK.-OR SET 2504 M | Gasket |
| GM22310 | Hose, Reducer | Hose |
| GM86224 | Hose, Air Intake (Item 5) | Hose |
| GM92268 | Bracket, air cleaner Mtg. | Mounting |
| GM95611 | Bracket, Air Cleaner Mtg. | Mounting |
| ED0053029490 | 2.5 Blue smoke | Service part / kit |
| M125A-08-80 | Washer, Plain 8.4 ID x 16.0 OD | Service part / kit |
| 273377 | Gauge, restriction | Sensor |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
The Kohler 2504M has a displacement of 2.5 liters with 4 cylinders.
The Kohler 2504M powers 2 generator set(s), including Kohler 20KW KDI, Kohler 2504 M.