Specifications
| Fuel | L.P./N.G. |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 40 kW |
| Standby kVA | 50 |
| Controller | APM402 |
| Oil capacity | 7.1 L |
| Voltage options | 120/208 V, 127/220 V, 120/240 V, 139/240 V, 220/380 V, 277/480 V, 347/600 V |
| Phase | 3 |
| Rated current | 139 A |
| Power factor | 0.8 |
| Battery cranking | 630 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 20.8 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 2200×1040×1170 mm |
| Dry weight | 807 kg |
Engine
| Oil capacity | 7.1 L |
|---|---|
| Coolant capacity | 21.3 L |
| Displacement | 6.2 L |
| Aspiration | Naturally Aspirated |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Kohler KG6208| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Oil filter | Cartridge | ×1 | — | 150 hr | find |
| Coolant | 50% ethylene glycol and 50% clean, softened water | 21.3 l | — | 2000 hr | |
| Oil | 7.1 L | — | 150 hr |
Common questions
What is the power rating of the Kohler KG40?
The Kohler KG40 is rated 40 kW standby (50.0 kVA).
What engine does the Kohler KG40 use?
The Kohler KG40 is powered by the Kohler KG6208 engine.
What fuel does the Kohler KG40 use?
The Kohler KG40 runs on L.P./N.G..
What is the oil capacity of the Kohler KG40?
The Kohler KG6208 engine in the Kohler KG40 has an oil capacity of 7.1 liters.
Parts
56| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 25-155-38 | Elbow, 90°, 1/8”NPT x 3/8” hose barb | 2 | Elbow | buy |
| 38050057 | Dipstick | 1 | Oil filter | buy |
| 38050060 | Oil Filter | 1 | Oil filter | buy |
| 38050308 | Alternator | 1 | Alternator | buy |
| 38050322 | Starter | 1 | Starter | buy |
| 38050327 | Wires, Spark Plug (8) | 1 | Spark plug | buy |
| 38050328 | Starter | 1 | Starter | buy |
| 38050441 | Hose, fuel 3/8 in. x 14.5 in. | 2 | Hose | buy |
| 38050449 | Hose, fuel 3/8 in. x 10.5 in. | 1 | Hose | buy |
| 38050647 | Spacer, fan | 1 | Fan filter | buy |
| 38050801 | Gasket, manifold exhaust | 2 | Gasket | buy |
| 38051414 | Lifting Eye, Idler, Belt | 1 | Belt | buy |
| 38900649 | Water Pump Hardware | 1 | Pump | buy |
| A-253104 | Air cleaner assembly | 1 | Air filter | buy |
| GM101208 | Hose barb, crankcase breather | 1 | Hose | buy |
| GM101211 | Thermostat, 6.2L | 1 | Thermostat | buy |
| GM101223 | Sensor, 6.2L oil pressure | 1 | Sensor | buy |
| GM101269 | Filter, 6.2L oil | 1 | Oil filter | Amazon eBay $49.00 |
| GM102050 | Tensioner, 6.2L drive belt | 1 | Belt | buy |
| GM105068 | Water Pump, W/ Gaskets | 1 | Pump | buy |
| GM105082 | Gasket, Timing Cover | 1 | Gasket | buy |
| GM105083 | Timing Cover | 1 | Gasket | buy |
| GM105110 | Intake Gasket | 2 | Gasket | buy |
| GM105112 | Head Gasket | 1 | Gasket | buy |
| GM105118 | Oil Pump Assembly, With Pickup Tube | 1 | Pump | buy |
| GM105119 | Gasket, Oil Pan, One Piece | 1 | Gasket | buy |
| GM105121 | Bolt, HFH, 3/8- 16 x 2.25 (Water Pump) | 4 | Pump | buy |
| GM105125 | Gasket, Water Pump | 2 | Gasket | buy |
| GM76024 | Tubing, 3/8” ID x 9” long, clear flexible plastic | 2 | Tubing | buy |
| GM79552 | Radiator | Radiator | buy | |
| GM83718 | Air Filter, Oil, qts. 5.0L GM83718 | 6.4 (14.1) | Air filter | buy |
| X-6014-137 | Hose, Radiator Wire Insert, 3” ID | 1 | Hose | buy |
| 246242 | voltage reconnection decal | Service part / kit | buy | |
| 38050325 | Harness, Stat., IEPR | 1 | Service part / kit | buy |
| 38050326 | Distributor HVS (includes item 10) | 1 | Service part / kit | buy |
| 38050442 | Fitting, 3/8NPT x 3/8 HoseBarb | 1 | Service part / kit | buy |
| 38050445 | EPR assembly (5.7 L, 60 kW) | 1 | Service part / kit | buy |
| 38050634 | Bolt, 3/8-16x1 Flange Hd Ser | 2 | Service part / kit | buy |
| 38050809 | Pipe, Y w/heat shield | 1 | Service part / kit | buy |
| 38050812 | Intake Manifold | 1 | Service part / kit | buy |
| 38051406 | Crank Damper/Pulley Assembly | 1 | Service part / kit | buy |
| ADV-8199 | Programmable Interface Module (PIM) | Service part / kit | buy | |
| G4-306 | Service part / kit | buy | ||
| G4-307 | Service part / kit | buy | ||
| GM101207 | Valve, PCV | 1 | Service part / kit | buy |
| GM105063 | Connecting Rod | 8 | Service part / kit | buy |
| GM105067 | Camshaft | 1 | Service part / kit | buy |
| GM105073 | Bolt, HFH, 1/4- 20 x .50, WHZ | 1 | Service part / kit | buy |
| GM105128 | Valve, Intake | 4 | Service part / kit | buy |
| GM105129 | Valve, Exhaust | 4 | Service part / kit | buy |
| GM105130 | Valve Spring | 8 | Service part / kit | buy |
| GM105131 | Spring Locator (Valve) | 8 | Service part / kit | buy |
| GM114539 | Wireless Bridge | Service part / kit | buy | |
| GM88281 | Power Relay Module | Service part / kit | buy | |
| GM88281-1 | Load Shed Assembly | Service part / kit | buy | |
| PA-352663 | Exhaust Silencer, Critical | Service part / kit | Amazon eBay |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Standby | 25% | 175.2 | |
| Standby | 50% | 268.8 | |
| Standby | 75% | 406.8 | |
| Standby | 100% | 584.4 |
Available documents
BrochureSpec sheetReferenceParts manualWiring diagram