Service parts for the 40 REOZK4
Grouped by system, with how many of each the parts manual calls for.
Air intake
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 | 40 kW |
| Standby kVA | 50 |
| Prime power | 36 kW |
| Emissions | Tier 4 Final |
| Controller | Decision-Maker 3500 |
| Oil capacity | 11.2 L |
| Alternator | 4D8.3 (Class H insulation) |
| 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 |
| Engine jacket water | 5.2 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 | Air cleaner assembly | A-226955 | Amazon eBay | ||
| Fuel filter | Primary 5 Microns @ 98% Efficiency | — | |||
| Oil filter | Cartridge | ×1 | — | ||
| 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 is in the Kohler 40 REOZK4?
The Kohler 40 REOZK4 is powered by the Kohler KDI 2504 TCR 2.5 L engine.
Is the Kohler 40 REOZK4 diesel or gas?
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 is the coolant capacity of the Kohler 40 REOZK4?
The Kohler 40 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 40 REOZK4?
The Kohler 40 REOZK4 is rated 36 kW prime (45 kVA), against 40 kW standby.
How loud is the Kohler 40 REOZK4?
The Kohler 40 REOZK4 is rated at 68.0 dBA at 7 m, per the manufacturer specification sheet.
How much does the Kohler 40 REOZK4 weigh?
The Kohler 40 REOZK4 has a dry weight of 1442 kg (3179 lb).
How big is the fuel tank on the Kohler 40 REOZK4?
The Kohler 40 REOZK4 has a 293 liter (77 US gallon) fuel tank, giving about 24 hours of runtime.
What voltages is the Kohler 40 REOZK4 available in?
The Kohler 40 REOZK4 is offered in 120/208 V, 120/240 V, 277/480 V, 347/600 V.
What size battery does the Kohler 40 REOZK4 need?
The Kohler 40 REOZK4 uses 1 battery, 12 V each, 950 CCA, per the manufacturer specification sheet.
Which alternator is fitted to the Kohler 40 REOZK4?
The Kohler 40 REOZK4 uses a 4D8.3 alternator. Insulation class H.
Which air filter part number does the Kohler 40 REOZK4 take?
The Kohler 40 REOZK4 uses air filter part number A-226955.
Parts
6| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 273377 | Gauge, restriction | 1 | Sensor | Amazon eBay |
| A-226955 | Air cleaner assembly | 1 | Air filter | Amazon eBay |
| 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 |
| GM86224 | Hose, Air Intake (Item 5) | 1 | Hose | 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% | 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
This page was generated from the 8 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.