The Kohler KDI 3404TM is a 3.36 L 4-cylinder turbo engine rated at 1500 rpm, producing up to 72 kW. It powers generator sets from Kohler, including the 40REOZK, 50REOZK, 60REOZK and KDI 3404 TM. It holds 15.6 L (4.1 gal) of oil and 4.5 L (1.2 gal) of coolant.
Also known as: Kohler KDI 3404TM, KDI 3404TM
Part of the Kohler KDI 3404TM engine family — 2 variants share parts & fitment.
| Oil capacity | 15.6 L |
|---|---|
| Coolant capacity | 4.5 L |
| Displacement | 3.359 L |
| Cylinders | 4 |
| Aspiration | Turbo |
| Rated speed | 1500 rpm |
| Gross power | 72 kW |
Compiled from service & troubleshooting documentation across every generator set that uses the Kohler KDI 3404TM.
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Dry air cleaner external cartridge | — | 5000 hr | ||
| Fuel filter | — | 250 hr | |||
| Oil filter | — | 250 hr | |||
| Battery | One, 650 CCA | — | |||
| Belt | Alternator belt | — | 1500 hr | ||
| Coolant | interior radiator cleaning | — | 1000 hr | ||
| Oil | 15.6 L | — | 250 hr | ||
| Spark plug | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| 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.
| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Other | 10 in. weld flange bolt circle diameter B | 361.95 | mm (14.25 in.) | |
| Other | 10 in. weld flange outside diameter C | 406.4 | mm (16.0 in.) | |
| Other | 10 in. weld flange quantity of bolts / bolt hole diameter D | 12, 25.40 | mm (1.00 in.) | |
| Other | 12 in. weld flange bolt circle diameter B | 431.80 | mm (17.00 in.) | |
| Other | 12 in. weld flange outside diameter C | 482.6 | mm (19.0 in.) | |
| Other | 12 in. weld flange quantity of bolts / bolt hole diameter D | 12, 25.40 | mm (1.00 in.) | |
| Other | 14 in. weld flange bolt circle diameter B | 476.25 | mm (18.75 in.) | |
| Other | 14 in. weld flange outside diameter C | 533.4 | mm (21.0 in.) | |
| Other | 14 in. weld flange quantity of bolts / bolt hole diameter D | 12, 28.58 | mm (1.13 in.) | |
| Other | 16 in. weld flange bolt circle diameter B | 539.75 | mm (21.25 in.) | |
| Other | 16 in. weld flange outside diameter C | 596.9 | mm (23.5 in.) | |
| Other | 16 in. weld flange quantity of bolts / bolt hole diameter D | 16, 28.58 | mm (1.13 in.) | |
| Other | 18 in. weld flange bolt circle diameter B | 577.85 | mm (22.75 in.) | |
| Other | 18 in. weld flange outside diameter C | 635.0 | mm (25.0 in.) | |
| Other | 18 in. weld flange quantity of bolts / bolt hole diameter D | 16, 31.75 | mm (1.25 in.) | |
| Other | 20 in. weld flange bolt circle diameter B | 635.00 | mm (25.00 in.) | |
| Other | 20 in. weld flange outside diameter C | 698.5 | mm (27.5 in.) | |
| Other | 20 in. weld flange quantity of bolts / bolt hole diameter D | 20, 31.75 | mm (1.25 in.) | |
| Other | 5 in. weld flange bolt circle diameter B | 215.90 | mm (8.50 in.) | |
| Other | 5 in. weld flange outside diameter C | 241.30 | mm (9.50 in.) | |
| Other | 5 in. weld flange quantity of bolts / bolt hole diameter D | 8, 22.23 | mm (0.88 in.) | |
| Other | 6 in. weld flange bolt circle diameter B | 254.0 | mm (10.0 in.) | |
| Other | 6 in. weld flange outside diameter C | 279.4 | mm (11.0 in.) | |
| Other | 6 in. weld flange quantity of bolts / bolt hole diameter D | 8, 22.23 | mm (0.88 in.) | |
| Other | 8 in. weld flange bolt circle diameter B | 298.45 | mm (11.75 in.) | |
| Other | 8 in. weld flange outside diameter C | 342.9 | mm (13.5 in.) | |
| Other | 8 in. weld flange quantity of bolts / bolt hole diameter D | 8, 22.23 | mm (0.88 in.) | |
| Other | Weld flange angle A (10, 12, 14 in. nominal pipe size) | 30 | deg. | |
| Other | Weld flange angle A (16, 18, 20 in. nominal pipe size) | 22.5 | deg. | |
| Other | Weld flange angle A (5, 6, 8 in. nominal pipe size) | 45 | deg. |
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 |
|---|---|---|
| F-44 | kerosene, NATO designation | fuel |
| F-63 | kerosene, NATO designation, equivalent to F-34/F-35 with additives | fuel |
| ED0010101730-S | Camshaft | other_service |
| ED0010101820-S | Camshaft | other_service |
| ED0014603650-S | Six Nicks SN8 | other_service |
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 3404TM engine has an oil capacity of 15.6 liters.
The Kohler KDI 3404TM has a displacement of 3.359 liters with 4 cylinders.
The Kohler KDI 3404TM powers 5 generator set(s), including Kohler 40REOZK, Kohler 50REOZK, Kohler 60REOZK, Kohler KDI 3404 TM, Kohler KDI 3404 TM E.PACK 60 kVA.
The Kohler KDI 3404TM oil change interval is every 250 hours.
A commonly reported issue on generators using the Kohler KDI 3404TM is: Warning YELLOW light turn on. Cause: Engine ECU has detect a malfunctions. Fix: Contact KOHLER authorised workshops.