Kohler 50ROZJ Generator Set
The Kohler 50ROZJ is a 55 kW (69 kVA) Diesel standby generator set powered by a John Deere 4039T engine. It is available at 120/208 V, 120/240 V, 127/220 V, 139/240 V, 220/380 V, 277/480 V and 347/600 V, 3-phase, 60 Hz and rated 191 A. It holds about 13.2 L (3.5 gal) of oil and 18 L (4.8 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 1 battery rated 640 CCA at 12 V. The set measures 2083×737×1093 mm (82.0×29.0×43.0 in) and weighs about 823 kg (1814 lb).
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Specifications
| Fuel | Diesel |
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| Frequency | 60.0 Hz |
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| Standby power | 55 kW |
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| Standby kVA | 69 |
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| Prime power | 50 kW |
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Full specifications
| Voltage options | 120/208 V, 120/240 V, 127/220 V, 139/240 V, 220/380 V, 277/480 V, 347/600 V |
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| Phase | 3 |
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| Rated current | 191 A |
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| Power factor | 0.8 |
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| Battery cranking | 640 CCA |
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| Battery voltage | 12 V |
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| Coolant capacity | 18 L |
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| Max ambient | 50 °C |
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| Dimensions (L×W×H) | 2083×737×1093 mm |
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| Dry weight | 823 kg |
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Engine
John Deere 4039T
| Oil capacity | 13.2 L |
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| Coolant capacity | 18.0 L |
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| Displacement | 3.92 L |
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| Aspiration | Turbocharged |
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| Rated speed | 1800 rpm |
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Maintenance & consumables
For the John Deere 4039T engine.
| Item | Spec | Capacity | Part # | Interval |
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| Service part / kit | Exhaust Silencer, Industrial | | PA-324467 buy | |
| Service part / kit | Exhaust Silencer, Critical | | PA-324468 buy | |
| Service part / kit | Exhaust Silencer, Industrial | | PA-324469 buy | |
| Service part / kit | Exhaust Silencer, Industrial | | PA-324472 buy | |
| Service part / kit | Exhaust Silencer, Critical | | PA-352662 buy | |
| Service part / kit | Exhaust Silencer, Critical | | PA-352663 buy | |
Available documents
BrochureSpec sheetInstallation manualReferenceParts manualService manualWiring diagram