Service parts for the R22
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
| Fuel | Diesel |
|---|---|
| Frequency | 50.0 Hz |
| Standby power | 18 kW |
| Standby kVA | 22 |
| Prime power | 16 kW |
| Controller | Nexys |
| Oil capacity | 6.5 L |
| Alternator | Leroy-Somer LSA422S5 (4-pole, Class IP23 insulation) |
| Voltage options | 415/240 V, 400/230 V, 380/220 V, 240/120 V, 230/115 V, 220/110 V, 220/127 V, 200/115 V |
| Phase | 3 |
| Rated current | 31 A |
| Power factor | 0.8 |
| Circuit breaker | 32 A |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 8.1 L |
| Dimensions (L×W×H) | 2080×904×1415 mm |
| Dry weight | 835 kg |
| Sound level | 61.0 dBA @ 7 m |
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 2 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 |
|---|---|
| Kohler | K25, K27U |
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 SDMO R22?
The SDMO R22 is rated 18 kW standby (22.0 kVA).
What engine does the SDMO R22 use?
The SDMO R22 is powered by the Mitsubishi S4Q2-SD engine.
What fuel does the SDMO R22 use?
The SDMO R22 runs on Diesel.
How much oil does the SDMO R22 take?
The Mitsubishi S4Q2-SD engine in the SDMO R22 has an oil capacity of 6.5 liters.
What is the coolant capacity of the SDMO R22?
The SDMO R22 cooling system holds 8.1 liters (2.1 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the prime power rating of the SDMO R22?
The SDMO R22 is rated 16 kW prime (20 kVA), against 18 kW standby.
How loud is the SDMO R22?
The SDMO R22 is rated at 61.0 dBA at 7 m, per the manufacturer specification sheet.
What is the dry weight of the SDMO R22?
The SDMO R22 has a dry weight of 835 kg (1840 lb).
What voltage does the SDMO R22 produce?
The SDMO R22 is offered in 415/240 V, 400/230 V, 380/220 V, 240/120 V, 230/115 V, 220/110 V, 3-phase.
What size battery does the SDMO R22 need?
The SDMO R22 uses 1 battery, 12 V each, per the manufacturer specification sheet.
What alternator does the SDMO R22 use?
The SDMO R22 uses a Leroy-Somer LSA422S5 alternator. It has 4 poles. Insulation class IP23.
What oil filter fits the SDMO R22?
The SDMO R22 uses oil filter part number 330560546.
Which fuel filter part number does the SDMO R22 take?
The SDMO R22 uses fuel filter part number 330560552.
What air filter does the SDMO R22 use?
The SDMO R22 uses air filter part numbers SDMO 330570079, SDMO 330570156.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 100% | 3.4 | 0.9 |
| Standby | 100% | 6.8 | 1.8 |
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.