HomeEnginesKohler KDI 2504TM

Kohler KDI 2504TM Engine

The Kohler KDI 2504TM is a 3.25 L 4-cylinder engine rated at 1800 rpm. It powers generator sets from Kohler, including the KDI 2504 TM, KDI 2504 TM E.PACK 30 kVA, KDI 2504 TM E.PACK 32 kW and KDI 2504 TM E.PACK 36.9 kW.

Also known as: Kohler KDI 2504TM

Part of the Kohler KDI 2504TM engine family — 3 variants share parts & fitment.

3.2482 L
Displacement
4
Cylinders
1800 rpm
Rated speed

Service parts for the KDI 2504TM

The cheapest captured merchant offer per filter — see the full cross-reference below for every OEM/aftermarket option.

Air intake

1 required
P600975Air filterfind

Prices captured from merchant listings; some links are affiliate links. Verify against your serial number before ordering.

Engine specifications

Displacement3.2482 L
Cylinders4
Rated speed1800 rpm

Generator sets powered by this engine

5
Kohler KDI 2504 TMKohler KDI 2504 TM E.PACK 30 kVAKohler KDI 2504 TM E.PACK 32 kWKohler KDI 2504 TM E.PACK 36.9 kWKohler KDI 2504 TM E.PACK 40 kVA

How to read your Kohler engine serial & model number →

Common problems

15
  • Warning YELLOW light turn on
    Cause: Engine ECU has detect a malfunctions
    Fix: Contact REHLKO authorised workshops
  • The engine does not start
    Cause: Sulphated battery terminals corroded
    Fix: Clean the battery terminals
  • RPM instability at idle speed
    Cause: Clogged fuel pipes
    Fix: Contact REHLKO authorised workshops
  • Poor quality fuel
    Fix: Clean the tank and refuel with quality fuel
  • Numero dei giri al minimo basso
    Cause: Clogged fuel pipes
    Fix: Contact KOHLER authorised workshops
  • Low idle RPM
    Cause: Clogged fuel pipes
    Fix: Contact REHLKO authorised workshops
  • Intake or exhaust system clogged
    Fix: Replace with a new fuse; if the problem persists, Contact REHLKO authorised workshops
  • High oil sump level
    Fix: Replace the engine oil; if the problem persists, Contact REHLKO authorised workshops
  • Excessive fuel consumption
    Cause: Clogged air filter
    Fix: Replace with a new filter
  • Engine starts but stops
    Cause: Inefficient electrical connections
    Fix: Clean the electrical contacts; if the problem persists, Contact REHLKO authorised workshops
  • Engine overheats
    Cause: Insufficient coolant level
    Fix: Fill up to the level
  • Engine lost its initial performance
    Cause: Clogged air filter
    Fix: Replace with a new filter
  • Clogged radiator
    Fix: Clean the radiator; if the problem persists, contact REHLKO authorised workshops
  • Clogged pipes
    Fix: Contact REHLKO authorised workshops
  • Clogged fuel pipes
    Fix: Contact REHLKO authorised workshops

Compiled from service & troubleshooting documentation across every generator set that uses the Kohler KDI 2504TM.

Maintenance schedule

ItemSpecCapacityPart #Interval
Air filterexternal cartridge1000 hr
Fuel filter500 hr
Oil filter250 hr
Battery250 hr
BeltCheck and setting alternator standard belt tensionED0024405540-S500 hr Amazon eBay $504.60
Coolantinterior radiator cleaning1000 hr
Coolant filter
Oil11.5 lt.250 hr
Spark plug2 hr

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Service intervals

1
ItemActionHoursMonthsNotes
oilChange500 hrMinimum 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.

Recommended fluids

FluidGradeStandardAmbientCapacityNotes
FuelNo 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 onlyASTM 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.

Aftermarket parts that fit this engine

3

Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.

Filters for this engine

  • Air filter: Donaldson P600975 Donaldson P608533 Wix 49276 Wix 49275

Cross-referenced via Donaldson + OEM/engine-maker interchange — options to verify against your serial number, not confirmed for every exact variant.

Also used in

1
  • Merlo TF27.6 — Telehandler

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.

Common questions

What is the displacement of the Kohler KDI 2504TM?

The Kohler KDI 2504TM has a displacement of 3.2482 liters with 4 cylinders.

Which generators use the Kohler KDI 2504TM engine?

The Kohler KDI 2504TM powers 5 generator set(s), including Kohler KDI 2504 TM, Kohler KDI 2504 TM E.PACK 30 kVA, Kohler KDI 2504 TM E.PACK 32 kW, Kohler KDI 2504 TM E.PACK 36.9 kW, Kohler KDI 2504 TM E.PACK 40 kVA.

What air filter does the Kohler KDI 2504TM use?

The Kohler KDI 2504TM uses air filter part numbers Donaldson P600975, Donaldson P608533, Wix 49276.

How often should you change the oil in the Kohler KDI 2504TM?

The Kohler KDI 2504TM oil change interval is every 250 hours.

What is a common problem with the Kohler KDI 2504TM engine?

A commonly reported issue on generators using the Kohler KDI 2504TM is: Warning YELLOW light turn on. Cause: Engine ECU has detect a malfunctions. Fix: Contact REHLKO authorised workshops.