The Kohler KDI 3404 TCR is a 3.4 L 4-cylinder turbocharged, charge air cooled engine rated at 1800 rpm, producing up to 55.4 kW. It powers generator sets from Kohler, Lombardini and Valdinoci, including the 48REOZK4 and 55REOZT4. It holds 15.6 L (4.1 gal) of oil and 12 L (3.2 gal) of coolant.
Also known as: Kohler Diesel KDI 3404 TCR, KDI 3404TCR
Part of the Kohler KDI 3404 engine family — 2 variants share parts & fitment.
| Oil capacity | 15.6 L |
|---|---|
| Coolant capacity | 12.0 L |
| Displacement | 3.4 L |
| Cylinders | 4 |
| Aspiration | Turbocharged, Charge Air Cooled |
| Rated speed | 1800 rpm |
| Gross power | 55 kW |
Shared across brands: Kohler, Lombardini, Valdinoci
This engine also powers 11 machine(s) on Power Equipment Info.
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Replace air filter cartridge | — | 12000 hr | find | |
| Fuel filter | Replace fuel pre-filter and filter cartridge | — | 12000 hr | find | |
| Oil filter | Replace oil filter cartridge | — | 12000 hr | find | |
| Belt | — | 5000 hr | find | ||
| Coolant | Change coolant and DPF filter (if applicable) | — | 40000 hr | ||
| Coolant filter | An anti-freeze protection liquid (ANTIFREEZE) - mixed with decalcified water - must be used. | — | 500 hr | find | |
| Oil | Change engine oil and filter | 15.6 L | — | 2000 hr |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Part # | Description | Category |
|---|---|---|
| ED0053030050 | Air filter cartridge | air_filter |
| GM93824 | Air Cleaner Assy | air_filter |
| GM93996 | Element, Air Cleaner Primary | air_filter |
| GM93997 | Element, Air Cleaner Secondary | air_filter |
| 8080710050 | AIR INLET MANIFOLD / AIR FILTER | air_inlet_manifold_filter |
| 8045710050 | BREATHER SYSTEM | breather_system |
| 8079710010 | FITTING FOR CAB HEATING | cabin_heating_fitting |
| 8035710090 | CAMSHAFT | camshaft |
| 8020710090 | CRANKCASE | crankcase |
| 8010710020 | CRANKSHAFT | crankshaft |
| 8021710070 | CYLINDER HEAD | cylinder_head |
| 8025710010 | ENGINE MOUNTS | engine_mounts |
| 8085710090 | EXHAUST GAS MANIFOLD | exhaust_gas_manifold |
| 8086710020 | EXHAUST MUFFLER | exhaust_muffler |
| 8012710050 | FLYWHEEL | flywheel |
| 8061710010 | FUEL FILTER | fuel_filter |
| 8061710020 | FUEL FILTER | fuel_filter |
| 8022710080 | HEAD COVER | head_cover |
| 8068710070 | HOSES FOR WATER COOLER | hoses_water_cooler |
| 8030710150 | INJECTION SYSTEM | injection_system |
| 8043710020 | OIL DIPSTICK | oil_dipstick |
| 8041710040 | OIL PAN | oil_pan |
| 8040710030 | OIL PUMP | oil_pump |
| 8011710040 | PISTON / CONNECTING ROD | other_service |
| 8020710100 | CRANKCASE | other_service |
| 8021710080 | CYLINDER HEAD | other_service |
| 8022710070 | HEAD COVER | other_service |
| 8030710130 | INJECTION SYSTEM | other_service |
| 8035710120 | CAMSHAFT | other_service |
| 8036710080 | ROCKER ARMS / VALVES | other_service |
| 8038710040 | TIMING GEAR | other_service |
| 8045710070 | BREATHER SYSTEM | other_service |
| 8047710030 | OIL COOLER | other_service |
| 8064710030 | FUEL PIPING | other_service |
| ED0014603650-S | Six Nicks SN8 | other_service |
| 8011710030 | PISTON / CONNECTING ROD | piston_connecting_rod |
| 8014710050 | PULLEYS / BELT | pulleys_belt |
| 8036710070 | ROCKER ARMS / VALVES | rocker_arms_valves |
| 8074710030 | THERMOSTAT UNIT | thermostat_unit |
| 8038710050 | TIMING GEAR | timing_gear |
| 8083710060 | TURBOCHARGER | turbocharger |
| 8077710030 | WATER PUMP | water_pump |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.
The Kohler KDI 3404 TCR engine has an oil capacity of 15.6 liters.
The Kohler KDI 3404 TCR has a displacement of 3.4 liters with 4 cylinders.
The Kohler KDI 3404 TCR powers 5 generator set(s), including Kohler 48REOZK4, Kohler 55REOZT4, Kohler KDI 3404 TCR, Lombardini KDI 3404 TCR, Valdinoci Power Pack KDI 3404 TCR.
The Kohler KDI 3404 TCR oil change interval is every 2000 hours.