Service parts for the 30 REOZK4
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredOil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
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 | 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 |
| Engine jacket water | 4.2 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 | 8.9 L |
|---|---|
| Coolant capacity | 4.2 L |
| Displacement | 1.861 L |
| Aspiration | Turbo+ Charge After Cooler |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Kohler KDI 1903TCR| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air cleaner assembly | A-226955 | Amazon eBay | ||
| Fuel filter | standby | — | 250 hr | ||
| Oil filter | standby | — | 1000 hr | ||
| Battery | standby | — | |||
| Belt | standby | — | 1000 hr | ||
| Coolant | standby | — | 250 hr | ||
| Oil | standby | 8.9 l | ED0053029490 | 250 hr | Amazon eBay |
| Spark plug | standby | — | 1000 hr |
Common questions
What size generator is the Kohler 30 REOZK4?
The Kohler 30 REOZK4 is rated 30 kW standby (37.5 kVA).
What engine is in the Kohler 30 REOZK4?
The Kohler 30 REOZK4 is powered by the Kohler KDI 1903TCR 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 1903TCR engine in the Kohler 30 REOZK4 has an oil capacity of 8.9 liters.
What is the coolant capacity of the Kohler 30 REOZK4?
The Kohler 30 REOZK4 cooling system holds 17.2 liters (4.5 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the continuous rating of the Kohler 30 REOZK4?
The Kohler 30 REOZK4 is rated 28 kW prime (35 kVA), against 30 kW standby.
How loud is the Kohler 30 REOZK4?
The Kohler 30 REOZK4 is rated at 67.0 dBA at 7 m, per the manufacturer specification sheet.
What is the dry weight of the Kohler 30 REOZK4?
The Kohler 30 REOZK4 has a dry weight of 1397 kg (3079 lb).
How big is the fuel tank on the Kohler 30 REOZK4?
The Kohler 30 REOZK4 has a 293 liter (77 US gallon) fuel tank, giving about 24 hours of runtime.
What voltages is the Kohler 30 REOZK4 available in?
The Kohler 30 REOZK4 is offered in 120/208 V, 120/240 V, 277/480 V, 347/600 V.
How many cold cranking amps does the Kohler 30 REOZK4 require?
The Kohler 30 REOZK4 uses 1 battery, 12 V each, 950 CCA, per the manufacturer specification sheet.
Which alternator is fitted to the Kohler 30 REOZK4?
The Kohler 30 REOZK4 uses a 4D5.6 alternator.
Which air filter part number does the Kohler 30 REOZK4 take?
The Kohler 30 REOZK4 uses air filter part number A-226955.
Parts
24| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 100-025-000 | Air Filter | 1 | Air filter | Amazon eBay |
| 100-030-000 | Oil Filter | 1 | Oil filter | Amazon eBay |
| 100-045-000 | Fuel Filter | 1 | Fuel filter | Amazon eBay |
| 100-060-000 | Coolant Filter | 1 | Coolant filter | Amazon eBay |
| 100-075-000 | Belt | 1 | Belt | Amazon eBay |
| 100-090-000 | Spark Plug | 1 | Spark plug | Amazon eBay |
| 273377 | Gauge, restriction | 1 | Sensor | Amazon eBay |
| 401-2567 | Cartridge dry-type air filter | 1 | Air filter | Amazon eBay |
| 401-2568 | Intake manifold hose (air filter - intake manifold) | 1 | Hose | Amazon eBay |
| 401-2569 | Coolant hoses | 1 | Hose | Amazon eBay |
| 401-2570 | Fuel line hose | 1 | Hose | Amazon eBay |
| 401-2571 | Alternator belt (standard alternator) | 1 | Belt | Amazon eBay |
| 401-2572 | Poly-V alternator belt (heavy environmental condition) | 1 | Belt | Amazon eBay |
| 401-2573 | Poly-V alternator belt (standard condition) | 1 | Belt | Amazon eBay |
| 401-2574 | Coolant (OAT) | 1 | Fluid | Amazon eBay |
| 401-2575 | Coolant (HOAT) | 1 | Fluid | Amazon eBay |
| A-226955 | Air cleaner assembly | 1 | Air filter | Amazon eBay |
| ED0082051340-S | COV.HEAD GASK.-OR SET 1903 TCR | 1 | Gasket | Amazon eBay $89.95 |
| GM16944 | Element, air cleaner | 1 | Air filter | Amazon $71.53 eBay $49.68 |
| GM22310 | Hose, Reducer | 1 | Hose | Amazon eBay |
| GM66601 | Element, Inner | 1 | Air filter | Amazon eBay $30.99 |
| GM88850 | Hose, Air Intake (Item 5) | 1 | Hose | Amazon eBay |
| 401-2576 | ATS (Engine) | 1 | Service part / kit | Amazon eBay |
| ED0053029490 | 2.5 Blue smoke | 1 | Service part / kit | Amazon eBay |
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
This page was generated from the 6 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.