Kohler 100REZG Generator Set
The Kohler 100REZG is a 100 kW (125 kVA) Natural Gas, LP Gas standby generator set powered by a General Motors 5.7L engine. It is available at 120/208 V, 127/220 V, 120/240 V, 139/240 V, 220/380 V, 277/480 V and 347/600 V, 3-phase, 60 Hz and rated 347 A. It holds about 6.2 L (1.6 gal) of oil and 22.5 L (5.9 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 1 battery rated 630 CCA at 12 V. The set measures 2800×1120×1456 mm (110.2×44.1×57.3 in) and weighs about 1403 kg (3093 lb). The same 5.7L engine also powers generator sets from HIPOWER.
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Specifications
| Fuel | Natural Gas, LP Gas |
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| Frequency | 60.0 Hz |
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| Standby power | 100 kW |
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| Standby kVA | 125 |
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| Emissions | EPA-Certified for Stationary Emergency Applications |
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Full specifications
| Voltage options | 120/208 V, 127/220 V, 120/240 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 | 347 A |
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| Power factor | 0.8 |
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| Battery cranking | 630 CCA |
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| Battery voltage | 12 V |
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| Coolant capacity | 22.5 L |
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| Max ambient | 50 °C |
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| Dimensions (L×W×H) | 2800×1120×1456 mm |
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| Dry weight | 1403 kg |
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Engine
General Motors 5.7L
| Oil capacity | 4.7 L |
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| Coolant capacity | 22.5 L |
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| Displacement | 5.7 L |
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| Aspiration | Turbocharged |
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| Rated speed | 1800 rpm |
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Other generator sets with this engine
Maintenance & consumables
For the General Motors 5.7L engine.
| Item | Spec | Capacity | Part # | Interval |
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| Oil filter | | | 0C3784 buy | |
| Service part / kit | Exhaust Silencer, Critical | | PA-324470 buy | |
| Spark plug | | | 0D2514 buy | |
| Oil | | 6.2 L | | |
| Oil filter | Cartridge | 1.0 quantity | find | |
| Spark plug | 1.52 mm (0.060 in.) | | find | |
Available documents
BrochureSpec sheetInstallation manualReferenceParts manualService manualWiring diagram