Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 30 kW |
| Standby kVA | 37 |
| Prime power | 28 kW |
| Emissions | Tier 4 Final |
| Controller | Decision-Maker 3500 |
| Oil capacity | 8.7 L |
| Alternator | Kohler 4D5.6 |
| Voltage options | 120/208 V, 120/240 V, 277/480 V, 347/600 V |
| Power factor | 0.8 |
| 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 | 1397 kg |
| Sound level | 67.0 dBA @ 7 m |
| Fuel tank | 293.0 L |
| Tank runtime | 24 hr |
Engine
| Oil capacity | 8.4 L |
|---|---|
| Coolant capacity | 17.2 L |
| Displacement | 1.9 L |
| Aspiration | Turbocharged |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Kohler KDI 1903 TCR| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Replace cartridges B and G when dirty, clean the inside components A and D with a damp cloth. | — | 1000 hr | find | |
| Fuel filter | standby | — | 250 hr | find | |
| Oil filter | standby | — | 1000 hr | find | |
| Belt | standby | — | 1000 hr | find | |
| Coolant | standby | — | 10 hr | ||
| Oil | standby | — | 50 hr |
Common questions
What is the power rating of the Kohler 30 REOZK4?
The Kohler 30 REOZK4 is rated 30 kW standby (37.5 kVA).
What engine does the Kohler 30 REOZK4 use?
The Kohler 30 REOZK4 is powered by the Kohler KDI 1903 TCR engine.
What fuel does the Kohler 30 REOZK4 use?
The Kohler 30 REOZK4 runs on Diesel.
What is the oil capacity of the Kohler 30 REOZK4?
The Kohler KDI 1903 TCR engine in the Kohler 30 REOZK4 has an oil capacity of 8.4 liters.
What alternator does the Kohler 30 REOZK4 use?
The Kohler 30 REOZK4 uses a Kohler 4D5.6 alternator.
Parts
24| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 100-025-000 | Oil Filter Cartridge | 1 | Oil filter | PartsGeek hdturbo $3199.00 |
| 100-030-000 | Air Filter Cartridge | 1 | Air filter | PartsGeek |
| 100-045-000 | Fuel Filter Cartridge | 1 | Fuel filter | PartsGeek hdturbo $2099.00 |
| 100-060-000 | Oil Dipstick | 1 | Oil filter | PartsGeek hdturbo $2099.00 |
| 100-075-000 | Oil Drain Plug | 1 | Oil filter | PartsGeek hdturbo $3299.00 |
| 100-090-000 | Water Presence Sensor | 1 | Sensor | PartsGeek |
| 273377 | Gauge, restriction | 1 | Sensor | PartsGeek |
| 401-2567 | Cartridge dry-type air filter | 1 | Air filter | PartsGeek |
| 401-2568 | Intake manifold hose (air filter - intake manifold) | 1 | Hose | PartsGeek |
| 401-2569 | Coolant hoses | 1 | Hose | PartsGeek |
| 401-2570 | Fuel line hose | 1 | Hose | PartsGeek |
| 401-2571 | Alternator belt (standard alternator) | 1 | Belt | PartsGeek |
| 401-2572 | Poly-V alternator belt (heavy environmental condition) | 1 | Belt | PartsGeek |
| 401-2573 | Poly-V alternator belt (standard condition) | 1 | Belt | PartsGeek |
| 401-2574 | Coolant (OAT) | 1 | Fluid | PartsGeek |
| 401-2575 | Coolant (HOAT) | 1 | Fluid | PartsGeek |
| A-226955 | Air cleaner assembly | 1 | Air filter | Amazon eBay $2.28 PartsGeek |
| ED0053029490 | Battery not supplied by Kohler | Battery | PartsGeek | |
| ED0082051340-S | COV.HEAD GASK.-OR SET 1903 TCR | 1 | Gasket | 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 |
| GM88850 | Hose, Air Intake (Item 5) | 1 | Hose | PartsGeek |
| 401-2576 | ATS (Engine) | 1 | Service part / kit | 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% | 2.9 | 0.8 |
| Prime | 50% | 5.0 | 1.3 |
| Prime | 75% | 7.3 | 1.9 |
| Prime | 100% | 9.8 | 2.6 |
| Standby | 25% | 3.1 | 0.8 |
| Standby | 50% | 5.4 | 1.4 |
| Standby | 75% | 7.8 | 2.1 |
| Standby | 100% | 10.5 | 2.8 |
Available documents
Brochure — GSA Product List (Kohler)Brochure — adv8630 (Kohler)Brochure — kdi block heaters g6172 (Kohler)Spec sheet — G5-423 0518H (Kohler)Spec sheet — g5423 (Kohler)Reference — FinalGSAPriceListEffective 3-20-2023 (Kohler)Reference — GSAPriceList (Kohler)Reference — g6172 (Kohler)Parts manual — tp6894 (Kohler)Wiring diagram — tp6924 (Kohler)