Specifications
| Fuel | LP Gas |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 50 kW |
| Standby kVA | 63 |
| Prime power | 36 kW |
| Emissions | EPA-Certified for Stationary Emergency Applications |
| Controller | Decision-Maker 3000, Decision-Maker 3500, Decision-Maker 550 |
| Oil capacity | 6.2 L |
| Alternator | Kohler 4P7 |
| Voltage options | 120/208 V, 277/480 V, 120/240 V |
| Phase | 3 Ph |
| Circuit breaker | 150 A |
| Dimensions (L×W×H) | 3680×1867×1707 mm |
| Dry weight | 1381 kg |
| Sound level | 69.0 dBA @ 7 m |
| Fuel tank | 625.0 L |
| Tank runtime | 37 hr |
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 50REZG?
The Kohler 50REZG is rated 50 kW standby (63.0 kVA).
What engine does the Kohler 50REZG use?
The Kohler 50REZG is powered by the General Motors Industrial Powertrain Vortec 5.0 L engine.
What fuel does the Kohler 50REZG use?
The Kohler 50REZG runs on LP Gas.
What is the oil capacity of the Kohler 50REZG?
The General Motors Industrial Powertrain Vortec 5.0 L engine in the Kohler 50REZG has an oil capacity of 6.2 liters.
What alternator does the Kohler 50REZG use?
The Kohler 50REZG uses a Kohler 4P7 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 | 50% | 10.2 | 2.7 |
| Prime | 75% | 13.2 | 3.5 |
| Standby | 25% | 266.2 | |
| Standby | 50% | 388.0 | |
| Standby | 75% | 506.8 | |
| Standby | 100% | 596.9 |
Available documents
Brochure (Kohler)Brochure — G6-39 0918AZ (Kohler)Brochure — GSA Product List (Kohler)Spec sheet (Kohler)Spec sheet — Towable Mobile Generators Brochure (Kohler)Installation manual — tt1672 (Kohler)Owner's manual — tp6935 (Kohler)Parts manual — tp6801 (Kohler)Parts manual — tp6937 (Kohler)Service manual — tp6731 (Kohler)Wiring diagram — tp6712 (Kohler)Wiring diagram — tp6799 (Kohler)Wiring diagram — tp6936 (Kohler)