Service parts for the K27U
Grouped by system, with how many of each the parts manual calls for.
Fuel system
1 requiredOil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Frequency | 60.0 Hz |
|---|---|
| Standby power | 25.4 kW |
| Emissions | Stage IIIA |
| Oil capacity | 6.5 L |
| Alternator | AT00404TO4N |
| Dimensions (L×W×H) | 2080×960×1415 mm |
| Dry weight | 930 kg |
| Fuel tank | 100.0 L |
Engine
| Oil capacity | 6.5 L |
|---|---|
| Coolant capacity | 8.1 L |
| Displacement | 2.51 L |
| Aspiration | Athmo |
| Rated speed | 1500 rpm |
Filters for the Mitsubishi S4Q2-SD
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 |
Same engine, other brands
1 brandThe Mitsubishi S4Q2-SD in this set also powers 3 generator sets sold under 1 other brand. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.
| Brand | Models |
|---|---|
| SDMO | R22, T 17 KM, T 22 K |
Maintenance & consumables
for the Mitsubishi S4Q2-SD| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | ||||
| Fuel filter | 330560552 | Amazon eBay $17.99 PartsGeek $11.97 NAPA $36.94 | |||
| Oil filter | 330560546 | Amazon eBay $28.08 | |||
| Battery | — | ||||
| Belt | — | ||||
| Coolant | 8.1 L | — | |||
| Oil | 6.5 L | — | |||
| Spark plug | — |
Compatible filters for the Mitsubishi S4Q2-SD — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.
- Air filter: Sdmo 330570079 Sdmo 330570156 Sdmo 330570162 Mitsubishi MD623028 Mitsubishi 1348726
Common questions
What size generator is the Kohler K27U?
The Kohler K27U is rated 25.4 kW standby.
Which engine powers the Kohler K27U?
The Kohler K27U is powered by the Mitsubishi S4Q2-SD engine.
What is the oil capacity of the Kohler K27U?
The Mitsubishi S4Q2-SD engine in the Kohler K27U has an oil capacity of 6.5 liters.
How much coolant does the Kohler K27U hold?
The Kohler K27U cooling system holds 8.1 liters (2.1 US gallons) for the engine, per the manufacturer specification sheet.
What is the dry weight of the Kohler K27U?
The Kohler K27U has a dry weight of 930 kg (2050 lb).
How big is the fuel tank on the Kohler K27U?
The Kohler K27U has a 100 liter (26 US gallon) fuel tank.
What alternator does the Kohler K27U use?
The Kohler K27U uses a AT00404TO4N alternator.
What oil filter fits the Kohler K27U?
The Kohler K27U uses oil filter part number 330560546.
What fuel filter fits the Kohler K27U?
The Kohler K27U uses fuel filter part number 330560552.
What air filter fits the Kohler K27U?
The Kohler K27U uses air filter part numbers SDMO 330570079, SDMO 330570156.
Available documents
This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.