Specifications
| Fuel | Natural Gas |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 55 kW |
| Standby kVA | 69 |
| Prime power | 50 kW |
| Controller | Decision-Maker 550 |
| Oil capacity | 6.2 L |
| Alternator | Kohler 4P8 |
Engine
| Oil capacity | 6.2 L |
|---|---|
| Coolant capacity | 20.8 L |
| Displacement | 5.0 L |
| Aspiration | Natural Aspiration |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the General Motors Industrial Powertrain Vortec 5.0 L| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Oil filter | Cartridge | GM16703 | Amazon eBay $10.00 PartsGeek | ||
| Coolant | 20.8 L | — | |||
| Oil | 6.2 L | — | 150 hr |
Common questions
What is the power rating of the Kohler 50RZG?
The Kohler 50RZG is rated 55 kW standby (69.0 kVA).
What engine does the Kohler 50RZG use?
The Kohler 50RZG is powered by the General Motors Industrial Powertrain Vortec 5.0 L engine.
What fuel does the Kohler 50RZG use?
The Kohler 50RZG runs on Natural Gas.
What is the oil capacity of the Kohler 50RZG?
The General Motors Industrial Powertrain Vortec 5.0 L engine in the Kohler 50RZG has an oil capacity of 6.2 liters.
What alternator does the Kohler 50RZG use?
The Kohler 50RZG uses a Kohler 4P8 alternator.
Parts
26| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 25-155-38 | Elbow, 90°, 1/8”NPT x 3/8” hose barb | 2 | Elbow | PartsGeek |
| 38050057 | Dipstick | 1 | Oil filter | PartsGeek |
| 38050060 | Oil Filter | 1 | Oil filter | PartsGeek |
| 38050308 | Alternator | 1 | Alternator | PartsGeek |
| 38050322 | Starter | 1 | Starter | PartsGeek |
| 38050327 | Wires, Spark Plug (8) | 1 | Spark plug | PartsGeek |
| 38050328 | Starter | 1 | Starter | PartsGeek |
| 38050441 | Hose, fuel 3/8 in. x 14.5 in. | 2 | Hose | PartsGeek |
| 38050449 | Hose, fuel 3/8 in. x 10.5 in. | 1 | Hose | PartsGeek |
| 38050647 | Spacer, fan | 1 | Fan filter | PartsGeek |
| 38050801 | Gasket, manifold exhaust | 2 | Gasket | PartsGeek |
| 38051414 | Lifting Eye, Idler, Belt | 1 | Belt | PartsGeek |
| 38900649 | Water Pump Hardware | 1 | Pump | PartsGeek |
| A-253104 | Air cleaner assembly | 1 | Air filter | PartsGeek |
| GM76024 | Tubing, 3/8” ID x 9” long, clear flexible plastic | 2 | Tubing | PartsGeek |
| GM79552 | Radiator | Radiator | PartsGeek | |
| GM83718 | Air Filter, Oil, qts. 5.0L GM83718 | 6.4 (14.1) | Air filter | PartsGeek |
| X-6014-137 | Hose, Radiator Wire Insert, 3” ID | 1 | Hose | PartsGeek |
| 38050325 | Harness, Stat., IEPR | 1 | Service part / kit | PartsGeek |
| 38050326 | Distributor HVS (includes item 10) | 1 | Service part / kit | PartsGeek |
| 38050442 | Fitting, 3/8NPT x 3/8 HoseBarb | 1 | Service part / kit | PartsGeek |
| 38050445 | EPR assembly (5.7 L, 60 kW) | 1 | Service part / kit | PartsGeek |
| 38050634 | Bolt, 3/8-16x1 Flange Hd Ser | 2 | Service part / kit | PartsGeek |
| 38050809 | Pipe, Y w/heat shield | 1 | Service part / kit | PartsGeek |
| 38050812 | Intake Manifold | 1 | Service part / kit | PartsGeek |
| 38051406 | Crank Damper/Pulley Assembly | 1 | Service part / kit | PartsGeek |
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 |
|---|---|---|---|
| Prime | 25% | 255.0 | |
| Prime | 50% | 362.4 | |
| Prime | 75% | 470.0 | |
| Prime | 100% | 560.7 | |
| Standby | 25% | 266.2 | |
| Standby | 50% | 388.0 | |
| Standby | 75% | 506.9 | |
| Standby | 100% | 596.9 |
Available documents
Spec sheet (Kohler)Wiring diagram — tp6098 (Kohler)Wiring diagram — tp6274 (Kohler)