Service parts for the 20REOZT
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredFuel system
1 requiredOil system
1 requiredBelts
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 | 23 kW |
| Standby kVA | 29 |
| Prime power | 21 kW |
| Controller | DECISION-MAKER 1000 |
| Oil capacity | 6.5 L |
| Alternator | Fast-Response PMG (Class Class H insulation) |
| Voltage options | 480 V |
| Phase | 3-phase |
| Circuit breaker | 80 A |
| Coolant capacity | 6.0 L |
| Tank runtime | 32 hr |
Engine
| Oil capacity | 6.5 L |
|---|---|
| Coolant capacity | 6.0 L |
| Displacement | 2.5 L |
| Aspiration | Naturally aspirated |
| Rated speed | 1800 rpm |
Filters for the Mitsubishi S4Q2-Y362SD
2Engine-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 | |
|---|---|---|---|---|
| Oil filter | P502051 | Lube Filter, Spin-On Full Flow | MITSUBISHI MD162326M, NAPA 1334, NAPA 1344, NAPA 61334 | buy |
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 | |
|---|---|---|---|---|
| Fuel / water separator | P551423 | Fuel Filter, Water Separator Spin-On | MITSUBISHI D070001, NAPA 3531, NAPA 600091, NAPA 600092 | KuduParts $18.00 FridayParts $20.00 |
Maintenance & consumables
for the Mitsubishi S4Q2-Y362SD| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Dusty air filter assembly | 30801032101NE | Amazon eBay | ||
| Fuel filter | Every 250 Service Hours or once a year | D070001 | 500 hr | Amazon eBay $50.61 KuduParts $17.00 | |
| Oil filter | Oil filter | 330170272 | Amazon eBay | ||
| Battery | Battery | — | 100 hr | ||
| Belt | Belt | 330170365 | Amazon eBay FridayParts $15.00 | ||
| Coolant | Long Life Coolant (LLC) | — | 2 hr | ||
| Oil | Long Life Coolant (LLC) | — | 500 hr | ||
| Spark plug | N/A | — |
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
What is the power rating of the Kohler 20REOZT?
The Kohler 20REOZT is rated 23 kW standby (29.0 kVA).
What engine is in the Kohler 20REOZT?
The Kohler 20REOZT is powered by the Mitsubishi S4Q2-Y362SD engine.
What fuel does the Kohler 20REOZT use?
The Kohler 20REOZT runs on Diesel.
What's the oil capacity on a Kohler 20REOZT?
The Mitsubishi S4Q2-Y362SD engine in the Kohler 20REOZT has an oil capacity of 6.5 liters.
What is the coolant capacity of the Kohler 20REOZT?
The Kohler 20REOZT cooling system holds 6 liters (1.6 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the prime power rating of the Kohler 20REOZT?
The Kohler 20REOZT is rated 21 kW prime (26 kVA), against 23 kW standby.
What voltage does the Kohler 20REOZT produce?
The Kohler 20REOZT is offered in 480 V, 3-phase-phase.
What alternator comes on the Kohler 20REOZT?
The Kohler 20REOZT uses a Fast-Response PMG alternator. Insulation class Class H.
What oil filter fits the Kohler 20REOZT?
The Kohler 20REOZT uses oil filter part number 330170272.
What fuel filter fits the Kohler 20REOZT?
The Kohler 20REOZT uses fuel filter part number D070001.
What air filter fits the Kohler 20REOZT?
The Kohler 20REOZT uses air filter part number 30801032101NE.
Parts
21| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 30801032101NE | Dusty air filter assembly | 1 | Air filter | Amazon eBay |
| 31101077801NK | Coolant temp. and oil pressure sender assembly | 1 | Sensor | Amazon |
| 31810015101NK | Oil drain pump assembly | 1 | Pump | Amazon |
| 330170272 | Oil filter | 1 | Oil filter | Amazon eBay |
| 330170365 | Belt | 1 | Belt | Amazon eBay FridayParts $15.00 |
| 330170377 | Thermostat | 1 | Thermostat | Amazon eBay |
| 330170513 | Water pump | 1 | Pump | Amazon eBay FridayParts $54.00 |
| 330170581 | Oil pump | 1 | Pump | Amazon |
| 330170614 | Water pump gasket | 1 | Gasket | Amazon |
| 330170777 | Exhaust gasket | 1 | Gasket | Amazon |
| 330170780 | Gasket | 1 | Gasket | Amazon |
| 330170844 | Gasket | 1 | Gasket | Amazon |
| 330171211 | Gasket | 1 | Gasket | Amazon eBay |
| 330171484 | Durit | 1 | Hose | Amazon |
| 330171571 | Gasket | 1 | Gasket | Amazon |
| 330171575 | Gasket | 1 | Gasket | Amazon |
| 330171692 | Durit | 1 | Hose | Amazon |
| 330171942 | Lower Durit | 1 | Hose | Amazon |
| 330171943 | Upper radiator Durit | 1 | Hose | Amazon |
| 330910098 | Coolant GENCOOL (20L) | 0.3 | Fluid | Amazon eBay |
| 330910115 | Oil GENLUB TDX 20L | 0.33 | Fluid | 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 | 50% | 4.1 | 1.1 |
| Prime | 75% | 5.4 | 1.4 |
| Prime | 100% | 7.2 | 1.9 |
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.