The MTU 20V4000G83L 20V4000G63L is a 95.4 L turbocharged, intercooled engine rated at 1800 rpm. It powers generator sets from Kohler, including the 3250REOZD. It holds 390 L (103.0 gal) of oil and 205 L (54.2 gal) of coolant.
Also known as: Detroit Diesel/MTU 20V4000G83L 20V4000G63L
Part of the MTU 20V4000 engine family — 59 variants share parts & fitment.
| Oil capacity | 390.0 L |
|---|---|
| Coolant capacity | 205.0 L |
| Displacement | 95.4 L |
| Aspiration | Turbocharged, Intercooled |
| Rated speed | 1800 rpm |
| 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.
| Part # | Description | Category |
|---|---|---|
| 07500159b | Adapter, Injector | adapter |
| 2020161 | Air filter | air_filter |
| W1003 | Replace air filter (→Page 6 – 36) | air_filter |
| W1005 | Air filters | air_filter |
| WM00076 | Air filter element | air_filter |
| 21300116a | Drive belt condition check | belt |
| 21300167a | Battery-charging generator drive — Drive belt tension adjustment | belt |
| 21300167b | Battery-charging generator drive — Drive belt replacement | belt |
| F6557991 | Puller bracket | bracket |
| W1009 | Centrifugal oil filter (if fitted) | centrifugal_oil_filter |
| 30380 | Cleaner (Hakupur 312) | cleaner |
| W1011 | Combustion chambers | combustion_chambers |
| W2004 | Fit new high-pressure sensor in fuel system. | component_maintenance |
| W2006 | Check engine coolant thermostat and fit new thermal actuator. | component_maintenance |
| W2007 | Check charge-air coolant thermostat and fit new thermal actuator. | component_maintenance |
| W2009 | Inspect centrifugal oil filter for wear (if fitted). | component_maintenance |
| W2010 | Overhaul starter. | component_maintenance |
| W2062 | Fit new sealing materials for all components disassembled. | component_maintenance |
| 07500160a1 | Cable connector, Injector | connector |
| 20300173a | Coolant filter | coolant_filter |
| W1055 | Overhaul cylinder heads, visually inspect piston crowns and running pattern of cylinder liners (→Workshop Manual) | cylinder_head |
| W1063 | Overhaul cylinder heads. Visually inspect piston crowns and wear pattern on cylinder liner running surfaces. | cylinder_heads |
| W1038 | Overhaul exhaust turbocharger (→Workshop Manual) | exhaust_turbocharger |
| W3000 | Completely disassemble the engine. Inspect engine components as per Maintenance Manual instructions and repair or fit new components as required. | extended_component_maintenance |
| 07500211a | Screw, Adapter (3) | fastener |
| 08300126a | Easy-change filter | filter |
| 40477 | Assembly paste (Optimoly Paste White T) | fluid |
| X00029933 | Grease (Kluthe Hakuform 30-10/Emulgier) | fluid |
| W1051 | Overhaul fuel delivery pump (→Workshop Manual) | fuel_delivery_pump |
| W1001 | Fuel filter or new fuel filter insert | fuel_filter |
| WM00086 | Easy-change fuel filter | fuel_filter |
| W1006 | Fuel injectors | fuel_injectors |
| 01200210a | Gasket | gasket |
| 04000047a | Sealing ring, Injector | gasket |
| 07500220a | O-rings (2) and damping ring (3), Injector | gasket |
| 08300029b | Gasket | gasket |
| F30027340 | Ratchet adapter | hand_tool |
| 20200220a | Disconnect pump and hose. | hose |
| 07600211a | Injector | injector |
| 507015174 | Injectors Y39.1 to Y39.8, engine side A (underneath the cylinder head covers of the cylinders) | injector |
| F30378403 | Injector installation jig | jig |
| F6555197 | Lever for force-in lever | lever |
| F6557952 | Force-in lever for injector installation | lever |
| W1008 | Engine oil filter | oil_filter |
| WM00067 | Oil filter element | oil_filter |
| 0.04 | PM | other_service |
| 0.37 | CO | other_service |
| 0135315483 | Connector pliers | other_service |
| 1020FDL1106 | Generator Model | other_service |
| 1020FDM1182 | Generator Model | other_service |
| 1020FDS1124 | Generator Model | other_service |
| 1030FDH1252 | Generator Model | other_service |
| 1030FDH1254 | Generator Model | other_service |
| 1030FDL1110 | Generator Model | other_service |
| 10311583 | Colt Hayes | other_service |
| 20300174a | Sealing ring | other_service |
| 217.3 | Heat Radiated to Ambient | other_service |
| 28149 | Dry Weight | other_service |
| 5.95 | NOx + NMHC | other_service |
| 60.6 | Fan Power | other_service |
| 95.4 | Displacement | other_service |
| 97.5 | Sound Level | other_service |
| A001061/ | MTU Fluids and Lubricants Specification | other_service |
| F30047446 | Torque wrench, 60-320 Nm | other_service |
| F30510423 | Torque wrench, 10-60 Nm | other_service |
| F6555766 | Barring tool | other_service |
| M015565/01E | Air Filter | other_service |
| M015565/02E | Cooling system (LT circuit) | other_service |
| M015715/00E | other_service | |
| MTU-015715/00E | Special tools | other_service |
| MTU-06-08 | Safety instructions | other_service |
| F30377769 | Puller for injector removal | puller |
| 20300176a | Charge-air coolant pump — Relief bore check | pump |
| 50701513a | Temperature sensors for single exhaust gas B4.1 to B4.8 (engine side A) | sensor |
| 507015144 | Temperature sensors for single exhaust gas B4.11 to B4.18 (engine side B) | sensor |
| F30027336 | Torque wrench 6-50 Nm | special_tools |
| F6789889 | Installation/removal tool for injector | special_tools |
| W2005 | Check engine coolant thermostat and replace thermal actuator (→Workshop Manual) | thermostat |
| 0015384230 | Torque wrench, 0.5-5 Nm | tool |
| F30452578 | Slotted nut driver, 0.5-5 Nm | tool |
| F30452739 | Milling cutter | tool |
| W1002 | Check valve clearance (→Page 6 – 10) | valve_gear |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
The MTU 20V4000G83L 20V4000G63L engine has an oil capacity of 390.0 liters.
The MTU 20V4000G83L 20V4000G63L has a displacement of 95.4 liters.
The MTU 20V4000G83L 20V4000G63L powers 1 generator set(s), including Kohler 3250REOZD.