The John Deere 6135HFG84 is a 13.5 L 6-cylinder turbocharged & air to air aftercooled engine rated at 1800 rpm, producing up to 401 kW. It powers generator sets from AKSA, Kohler and MTU, including the APD-ULJ350, 350REOZJB, 400REOZJB and 6R0225 DS350. It holds 19 L (5.0 gal) of oil and 19 L (5.0 gal) of coolant.
Also known as: John Deere 6135HFG84
Part of the John Deere 6135 engine family — 19 variants share parts & fitment.
The cheapest captured merchant offer per filter — see the full cross-reference below for every OEM/aftermarket option.
Prices captured from merchant listings; some links are affiliate links. Verify against your serial number before ordering.
| Oil capacity | 19.0 L |
|---|---|
| Coolant capacity | 19.0 L |
| Displacement | 13.5 L |
| Cylinders | 6 |
| Aspiration | Turbocharged & Air to Air Aftercooled |
| Rated speed | 1800 rpm |
| Gross power | 401 kW |
Shared across brands: AKSA, Kohler, MTU
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Dry Paper Element | — | |||
| Fuel filter | Primary | — | |||
| Oil filter | Cartridge | — | |||
| Battery | 2 x 120Ah | — | |||
| Belt | N/A | — | |||
| Coolant filter | N/A | — | |||
| Spark plug | N/A | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's 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 | Diesel #2 | Recommended Fuel for diesel gensets (e.g. DS30, DS40, DS50, DS80, DS100, DS125, DS150, DS180, DS200, DS230, DS250, DS275, DS300, DS350, DS400, DS450, DS500) |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Voltage | Phase | Connection | Leads | Notes |
|---|---|---|---|---|
| 208V | 3 | 12 LEAD WYE | Example from MTU 4R0063 GS30 | |
| 240V | 1 | 12 LEAD | Example from MTU 4R0063 GS30 SYSTEM RATINGS connection row | |
| 240V | 1 | 4 LEAD | Example from MTU 4R0063 GS30 | |
| 240V | 3 | 12 LEAD DELTA | Example from MTU 4R0063 GS30 | |
| 380V | 3 | 12 LEAD WYE | Example from MTU 4R0063 GS30 | |
| 480V | 3 | 12 LEAD WYE | Example from MTU 4R0063 GS30 | |
| 600V | 3 | 4 LEAD WYE DOUBLE DELTA | Example from MTU 4R0063 GS30 |
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 |
|---|---|---|
| 20145-17038 | Air Filter | Air filter |
| 20145-17044 | Belt | Belt |
| 20145-17042 | Coolant Filter | Coolant filter |
| 20145-17040 | Fuel Filter | Fuel filter |
| 20145-17036 | Oil Filter | Oil filter |
| 115-2422 | Battery | Service part / kit |
| A34471 | UN—11OCT88 | Service part / kit |
| RG13887 | A—Engine Serial Number B—Application Data or Type C—Serial Number Plate | Service part / kit |
| RG14798 | Engine Serial Number/Application Data | Service part / kit |
| RG14813 | OEM Engine Option Code Label | Service part / kit |
| RG40854 | 0000007 UN—19—06MAY05 | Service part / kit |
| T6828AB | OILSCAN | Service part / kit |
| T6829AB | COOLSCAN | Service part / kit |
| TS206 | Wear Protective Clothing | Service part / kit |
| TS220 | Remove Paint Before Welding or Heating | Service part / kit |
| TS677 | Install Fan Guards | Service part / kit |
| TS953 | UN—15MAY90 | Service part / kit |
| 20145-17046 | Spark Plug | Spark plug |
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.
Cross-referenced via Donaldson + OEM/engine-maker interchange — options to verify against your serial number, not confirmed for every exact variant.
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.
The John Deere 6135HFG84 engine has an oil capacity of 19.0 liters.
The John Deere 6135HFG84 has a displacement of 13.5 liters with 6 cylinders.
The John Deere 6135HFG84 powers 5 generator set(s), including AKSA APD-ULJ350, Kohler 350REOZJB, Kohler 400REOZJB, MTU 6R0225 DS350, MTU 6R0225 DS400.
The John Deere 6135HFG84 uses oil filter part numbers John Deere RE561823, John Deere RE538245, Donaldson P550595.
The John Deere 6135HFG84 uses fuel filter part numbers John Deere N378886, John Deere AT365869, John Deere RE539465.
The John Deere 6135HFG84 uses air filter part numbers John Deere AH115833, John Deere RE67829, John Deere AZ61133.