Kohler 55REOZT4 Generator Set
The Kohler 55REOZT4 is a 48 kW (60 kVA) diesel standby generator set powered by a Kohler 3.4 L engine. It is available at 120/208 V, 120/240 V, 277/480 V and 347/600 V, 60 Hz. It holds about 15.6 L (4.1 gal) of oil and 12 L (3.2 gal) of coolant, with a maximum ambient rating of 45 °C. Starting uses 1 battery rated 925 CCA at 12 V. The set measures 2506×1120×1896 mm (98.7×44.1×74.6 in), weighs about 1989 kg (4385 lb) and produces 69 dBA at 7 m. An integrated tank holds 386 L (102.0 gal), roughly 24 hours of runtime.
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Specifications
| Fuel | diesel |
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| Frequency | 60.0 Hz |
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| Standby power | 48 kW |
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| Standby kVA | 60 |
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| Prime power | 43 kW |
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| Emissions | Tier 4 Final |
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Full specifications
| Voltage options | 120/208 V, 120/240 V, 277/480 V, 347/600 V |
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| Battery cranking | 925 CCA |
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| Battery voltage | 12 V |
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| Coolant capacity | 12 L |
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| Max ambient | 45 °C |
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| Dimensions (L×W×H) | 2506×1120×1896 mm |
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| Dry weight | 1989 kg |
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| Sound level | 69.0 dBA @ 7 m |
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| Fuel tank | 386.0 L |
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| Tank runtime | 24 hr |
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Maintenance & consumables
For the Kohler 3.4 L engine.
| Item | Spec | Capacity | Part # | Interval |
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| Air filter | Cartridge dry-type air filter | | find | 250 hr |
| Battery | 120 Ah/20 h - 1000 CCA/SAE (≥ - 15°C); 130 Ah/20 h - 1100 CCA/SAE (< -15°C) | | | |
| Belt | Poly-V belt heavy environmental condition | | find | 2000 hr |
| Coolant | 50% demineralized water and 50% low silicate ethylene glycol based coolant liquid (OAT or HOAT) | | | 6000 hr |
| Fuel filter | | | find | 250 hr |
| Oil | | 15.6 Lt. | | 250 hr |
| Oil filter | | | find | 250 hr |
Available documents
BrochureSpec sheetInstallation manualReferenceOwner's manualParts manualService manualWiring diagram