Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 40 kW |
| Standby kVA | 50 |
| Prime power | 36 kW |
| Emissions | Tier 4 Final |
| Controller | Decision-Maker 3500 |
| Oil capacity | 11.2 L |
| Alternator | Kohler 4D8.3 |
| Voltage options | 120/208 V, 120/240 V, 277/480 V, 347/600 V |
| Power factor | 0.8 |
| Circuit breaker | 150 A |
| Battery cranking | 950 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 17.2 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 2206×1016×1622 mm |
| Dry weight | 1442 kg |
| Sound level | 68.0 dBA @ 7 m |
| Fuel tank | 293.0 L |
| Tank runtime | 24 hr |
Engine
| Oil capacity | 11.2 L |
|---|---|
| Coolant capacity | 17.2 L |
| Displacement | 2.5 L |
| Aspiration | Turbocharged |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Kohler KDI 2504 TCR 2.5 L| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Dry | 002175339000 | PartsGeek | ||
| Fuel filter | Primary 5 Microns @ 98% Efficiency | — | find | ||
| Oil filter | Cartridge | ×1 | — | find | |
| Oil | API CJ-4 or ACEA E6--E9 | 11.2 L | — |
Common questions
What is the power rating of the Kohler 40 REOZK4?
The Kohler 40 REOZK4 is rated 40 kW standby (50.0 kVA).
What engine does the Kohler 40 REOZK4 use?
The Kohler 40 REOZK4 is powered by the Kohler KDI 2504 TCR 2.5 L engine.
What fuel does the Kohler 40 REOZK4 use?
The Kohler 40 REOZK4 runs on Diesel.
What is the oil capacity of the Kohler 40 REOZK4?
The Kohler KDI 2504 TCR 2.5 L engine in the Kohler 40 REOZK4 has an oil capacity of 11.2 liters.
What alternator does the Kohler 40 REOZK4 use?
The Kohler 40 REOZK4 uses a Kohler 4D8.3 alternator.
Parts
6| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 273377 | Gauge, restriction | 1 | Sensor | PartsGeek |
| A-226955 | Air cleaner assembly | 1 | Air filter | Amazon eBay $2.28 PartsGeek |
| GM16944 | Element, Air Cleaner | 1 | Air filter | Amazon eBay $49.68 PartsGeek |
| GM22310 | Hose, Reducer | 1 | Hose | PartsGeek |
| GM66601 | Element, Inner | 1 | Air filter | Amazon eBay $30.99 PartsGeek |
| GM86224 | Hose, Air Intake (Item 5) | 1 | Hose | PartsGeek |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 25% | 3.5 | 0.9 |
| Prime | 50% | 6.1 | 1.6 |
| Prime | 75% | 8.8 | 2.3 |
| Prime | 100% | 11.7 | 3.1 |
| Standby | 25% | 3.8 | 1.0 |
| Standby | 50% | 6.6 | 1.7 |
| Standby | 75% | 9.5 | 2.5 |
| Standby | 100% | 12.6 | 3.3 |
Available documents
Brochure — GSA Product List (Kohler)Brochure — adv8630 (Kohler)Brochure — kdi block heaters g6172 (Kohler)Spec sheet (Kohler)Spec sheet — G5-424 0518H (Kohler)Spec sheet — g5424 (Kohler)Reference — FinalGSAPriceListEffective 3-20-2023 (Kohler)Reference — GSAPriceList (Kohler)Reference — adv9047 (Kohler)Reference — g6172 (Kohler)Parts manual — tp6894 (Kohler)Wiring diagram — tp6924 (Kohler)