Kohler 12RES Generator Set
The Kohler 12RES is a 12 kW (12 kVA) LPG/Natural Gas standby generator set powered by a Kohler CH740 engine. It is available at 120/240 V, 1-phase, 60 Hz and rated 50 A. It holds about 1.9 L (0.5 gal) of oil. Starting uses 1 group-51 battery rated 500 CCA at 12 V. The set measures 777×712×824 mm (30.6×28.0×32.4 in), weighs about 196 kg (432 lb) and produces 71 dBA at 7 m.
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Specifications
| Fuel | LPG/Natural Gas |
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| Frequency | 60.0 Hz |
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| Standby power | 12 kW |
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| Standby kVA | 12 |
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| Emissions | EPA |
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Full specifications
| Voltage options | 120/240 V |
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| Phase | 1 |
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| Rated current | 50 A |
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| Power factor | 1.0 |
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| Circuit breaker | 60 A |
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| Battery group | 51 |
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| Battery cranking | 500 CCA |
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| Battery voltage | 12 V |
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| Dimensions (L×W×H) | 777×712×824 mm |
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| Dry weight | 196 kg |
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| Sound level | 71.0 dBA @ 7 m |
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Engine
Kohler CH740
| Oil capacity | 1.9 L |
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| Displacement | 0.725 L |
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| Rated speed | 3600 rpm |
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Other generator sets with this engine
Maintenance & consumables
For the Kohler CH740 engine.
| Item | Spec | Capacity | Part # | Interval |
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| Air filter | | | find | 150 hr |
| Battery | | | | |
| Oil | 5W-30 API Service Class SG, SH, or SJ synthetic oil | 2.7 | | 100 hr |
| Oil filter | | 1.0 | find | 200 hr |
| Spark plug | | | find | 500 hr |
Available documents
BrochureSpec sheetInstallation manualReferenceOwner's manualParts manualService manualtraining_manual