The Kohler 35RZ generator is listed with standby output of 31 kW, Natural Gas fuel, and 60 Hz operation.
Kohler Generator Specifications
Generator • Natural Gas • 60 Hz
Standby power: 31 kW
Key specifications
31 kW Standby power
Natural Gas Fuel
60 Hz Frequency
Useful generator charts
Charts are shown only when this model has enough usable source data.
Fuel consumption by load
How fuel use changes as generator load increases.
25% load
7.7 gal/hr
50% load
10.2 gal/hr
75% load
13.8 gal/hr
100% load
16.5 gal/hr
Power output
Low 29 kW High 31 kW
Standby
31 kW
Prime
29 kW
How the Kohler 35RZ compares
This compares the supplied numeric specification with Kohler generators in the same broad standby-power class where enough comparable data exists.
Standby power
31 kW
25% below avg
19th percentile
Oil capacity
1.51 gal
40% below avg
17th percentile
Standby power31 kW
Low 30 kWAverage 41.1 kWHigh 55 kW
About 25% below the similar-output Kohler average. Around the 19th percentile for this field.
Oil capacity1.51 gal
Low 1.09 galAverage 2.52 galHigh 4.12 gal
About 40% below the similar-output Kohler average. Around the 17th percentile for this field.
This model Peer average
Generator information
| Manufacturer | Kohler |
|---|---|
| Model | 35RZ |
| Generator type | Generator |
| Fuel | Natural Gas |
| Frequency | 60 Hz |
Electrical output
| Standby power | 31 kW |
|---|---|
| Prime power | 29 kW |
| Standby kVA | 31.0 |
Engine, cooling and controls
| Engine model | General Motors Industrial Powertrain Vortec 4.3 L |
|---|---|
| Engine displacement | 262 cu in (4.3 L) |
| Aspiration / cooling | Natural Aspiration |
| Rated engine speed | 1800 rpm |
| Engine oil capacity | 1.51 gal (5.7 L) |
| Engine coolant capacity | 5.2 gal (19.7 L) |
| Oil capacity | 1.51 gal (5.7 L) |
| Controller | Decision-Maker 550 |
| Alternator | Kohler 4P5B |
Fuel consumption
| Standby | 7.7 gal/h (218.1 L/h) @ 25%; 10.2 gal/h (288.8 L/h) @ 50%; 13.8 gal/h (390.7 L/h) @ 75%; 16.5 gal/h (466.9 L/h) @ 100% |
|---|---|
| Prime | 7.5 gal/h (212.4 L/h) @ 25%; 9.7 gal/h (274.7 L/h) @ 50%; 12.8 gal/h (362.4 L/h) @ 75%; 15.5 gal/h (438.9 L/h) @ 100% |
Maintenance and service parts
| Engine oil | Interval: 150 hr; Specification: GM Specification GM6094M; Capacity: 5.7 |
|---|---|
| Fuel filter | Specification: As recommended by OEM |
| Air filter | Specification: Check for dirt or restriction |
| Coolant | Specification: 50/50 antifreeze and water mixture, DexCool Long Life type, min 300F boiling point, -34F freezing point; Capacity: 6.8 |
| Belt | Part number: GM16132; Specification: Belt, fan standard |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Kohler North America generator website.