Kohler 20RZ Generator Set
The Kohler 20RZ is a 20 kW (25 kVA) Gasoline standby generator set powered by a Ford LRG-425 engine. It is available at 120/240 V, 139/240 V, 127/220 V, 277/480 V, 220/380 V, 120/208 V and 347/600 V, 3-phase and 60 Hz. It holds about 4.7 L (1.2 gal) of oil and 15.1 L (4.0 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 1 battery rated 630 CCA at 12 V. The set measures 1905×737×1085 mm (75.0×29.0×42.7 in). The same LRG-425 engine also powers generator sets from FG Wilson.
Get a price quote on the Kohler 20RZNew, used & surplus units from generator dealers
Specifications
| Fuel | Gasoline |
|---|
| Frequency | 60.0 Hz |
|---|
| Standby power | 20 kW |
|---|
| Standby kVA | 25 |
|---|
| Prime power | 18 kW |
|---|
Full specifications
| Voltage options | 120/240 V, 139/240 V, 127/220 V, 277/480 V, 220/380 V, 120/208 V, 347/600 V |
|---|
| Phase | 3 |
|---|
| Power factor | 0.8 |
|---|
| Battery cranking | 630 CCA |
|---|
| Battery voltage | 12 V |
|---|
| Coolant capacity | 15.1 L |
|---|
| Max ambient | 50 °C |
|---|
| Dimensions (L×W×H) | 1905×737×1085 mm |
|---|
Engine
Ford LRG-425
| Oil capacity | 4.7 L |
|---|
| Coolant capacity | 15.1 L |
|---|
| Displacement | 2.5 L |
|---|
| Aspiration | Natural |
|---|
| Rated speed | 1500 rpm |
|---|
Other generator sets with this engine
Maintenance & consumables
For the Ford LRG-425 engine.
| Item | Spec | Capacity | Part # | Interval |
|---|
| Oil filter | | | D4ZZ 6731 B buy | |
| Spark plug | | | AWSF 52C buy | |
| Air filter | | | find | |
| Fuel filter | | | find | |
| Oil | SAE 5W-20 | | | |
| Oil filter | | | find | |
| Spark plug | | | find | |
Available documents
BrochureSpec sheetInstallation manualReferenceParts manualWiring diagram