Service parts for the 40REOZT
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredBelts
1 requiredCooling 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 | 40 kW |
| Standby kVA | 50 |
| Prime power | 36 kW |
| Controller | DECISION-MAKER 1000 |
| Oil capacity | 10.0 L |
| Alternator | Fast-Response PMG (Class Class H insulation) |
| Voltage options | 480 V |
| Phase | 3-phase |
| Circuit breaker | 160 A |
| Coolant capacity | 9.5 L |
| Tank runtime | 19 hr |
Engine
| Oil capacity | 10.0 L |
|---|---|
| Coolant capacity | 9.5 L |
| Displacement | 3.33 L |
| Aspiration | Turbo |
| Rated speed | 1800 rpm |
Filters for the Mitsubishi S4S-Y3DT61SD
3Engine-mounted filters the filter manufacturers list for this engine family. These come from the engine, not from this generator set’s own parts list, so confirm against your serial number before ordering.
| System | Filter | Description | Cross-references | |
|---|---|---|---|---|
| Fuel filter | P502143 | Fuel Filter, Spin-On | MITSUBISHI 34462003, MITSUBISHI 3446200300, NAPA 3394, BALDWIN BF1110 | FridayParts $16.30 KuduParts $24.00 |
Listed for this engine in only one kind of machine, so they may depend on how the engine was installed:
| System | Filter | Description | Cross-references | |
|---|---|---|---|---|
| Oil filter | P552819 | Lube Filter, Spin-On Full Flow | MITSUBISHI 3444022100, MITSUBISHI 492500, NAPA 1768, BALDWIN BT292 | buy |
| Fuel / water separator | P550390 | Fuel Filter, Water Separator Spin-On | MITSUBISHI 32A6201020, MITSUBISHI 32A6201020M, BALDWIN BF7534, DOOSAN 03198A | buy |
Maintenance & consumables
for the Mitsubishi S4S-Y3DT61SD| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Dusty air filter assembly | 30801093801NK | Amazon eBay | ||
| Oil filter | Oil filter | 330171693 | Amazon eBay | ||
| Belt | Fan belt | 330171694 | Amazon eBay | ||
| Coolant | Long Life Coolant (LLC) | 330910098 | 2 hr | Amazon eBay | |
| Oil | GENLUB TDX | 10.0 L | 330910115 | Amazon eBay |
Voltage reconnection
| Voltage | Phase | Connection | Leads | Notes |
|---|---|---|---|---|
| 12-lead optional voltage connections | 12 | Alternator optional feature | ||
| 4-lead dedicated voltages | 4 | Alternator standard feature | ||
| 110/127/139/240/254/277 | single-phase | switchable | Towable generator model specifications; some models n/a | |
| 208/220/240/415/440/480 | 3-phase | reconnectable | Towable generator model specifications | |
| 208/220/240/415/440/480 | 3-phase | switchable | Towable generator model specifications |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Common questions
How many kW is the Kohler 40REOZT?
The Kohler 40REOZT is rated 40 kW standby (50.0 kVA).
What engine does the Kohler 40REOZT use?
The Kohler 40REOZT is powered by the Mitsubishi S4S-Y3DT61SD engine.
What kind of fuel does the Kohler 40REOZT run on?
The Kohler 40REOZT runs on Diesel.
What is the oil capacity of the Kohler 40REOZT?
The Mitsubishi S4S-Y3DT61SD engine in the Kohler 40REOZT has an oil capacity of 10.0 liters.
How much coolant does the Kohler 40REOZT hold?
The Kohler 40REOZT cooling system holds 9.5 liters (2.5 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the prime power rating of the Kohler 40REOZT?
The Kohler 40REOZT is rated 36 kW prime (45 kVA), against 40 kW standby.
What voltages is the Kohler 40REOZT available in?
The Kohler 40REOZT is offered in 480 V, 3-phase-phase.
What alternator comes on the Kohler 40REOZT?
The Kohler 40REOZT uses a Fast-Response PMG alternator. Insulation class Class H.
What oil filter fits the Kohler 40REOZT?
The Kohler 40REOZT uses oil filter part number 330171693.
What air filter fits the Kohler 40REOZT?
The Kohler 40REOZT uses air filter part number 30801093801NK.
Parts
26| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 30801093801NK | Dusty air filter assembly | 1 | Air filter | Amazon eBay |
| 31101084601NK | Coolant temp. and oil pressure sender assembly | 1 | Sensor | Amazon |
| 31810066301NK | Oil drain pump flexible assembly | 1 | Pump | Amazon |
| 330170377 | Thermostat | 1 | Thermostat | Amazon eBay |
| 330170438 | Water pump gasket | 1 | Gasket | Amazon |
| 330170458 | Exhaust gasket | 1 | Gasket | Amazon |
| 330170721 | Oil pump | 1 | Pump | Amazon |
| 330171211 | Gasket | 1 | Gasket | Amazon eBay |
| 330171462 | Bottom radiator hose | 1 | Hose | Amazon |
| 330171463 | Upper radiator Durit | 1 | Hose | Amazon |
| 330171528 | Gasket | 2 | Gasket | Amazon |
| 330171591 | Gasket | 1 | Gasket | Amazon |
| 330171592 | Durit | 1 | Hose | Amazon |
| 330171604 | O ring | 1 | Seal | Amazon |
| 330171670 | Gasket | 1 | Gasket | Amazon |
| 330171675 | Durit | 1 | Hose | Amazon |
| 330171693 | Oil filter | 1 | Oil filter | Amazon eBay |
| 330171694 | Fan belt | 1 | Belt | Amazon eBay |
| 330171736 | Gasket | 1 | Gasket | Amazon |
| 330172276 | Water pump | 1 | Pump | Amazon |
| 330172339 | Cover gasket | 1 | Gasket | Amazon |
| 330172341 | Durit | 1 | Hose | Amazon |
| 330910098 | Coolant GENCOOL (20L) | 0.3 | Fluid | Amazon eBay |
| 330910115 | Oil GENLUB TDX 20L | 0.33 | Fluid | Amazon eBay |
| 330171425 | Radiator cap | 1 | Service part / kit | Amazon |
| 330171721 | Plug | 1 | Service part / kit | Amazon |
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 | 50% | 6.1 | 1.6 |
| Prime | 75% | 8.9 | 2.4 |
| Prime | 100% | 12.2 | 3.2 |
Available documents
This page was generated from the 5 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.