Specifications
| Fuel | diesel |
|---|---|
| Frequency | 50.0 Hz |
| Standby power | 220 kW |
| Standby kVA | 275 |
| Prime power | 200 kW |
| Oil capacity | 26.5 L |
| Alternator | 70 amps |
| Voltage options | 24 V |
| Coolant capacity | 15.0 L |
| Max ambient | 60 °C |
| Dimensions (L×W×H) | 2157×1126×1562 mm |
| Dry weight | 861 kg |
Engine
| Oil capacity | 27.6 L |
|---|---|
| Coolant capacity | 36.5 L |
| Displacement | 8.9 L |
| Aspiration | Turbo Charged After Cooled |
| Rated speed | 1500 rpm |
Filters for the Cummins/Onan QSL9-G3
4Engine-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 | P553000 | Lube Filter, Spin-On Full Flow | CUMMINS 3318853, CUMMINS 3825970, NAPA 1748, NAPA 1748XD | FridayParts $125.00 |
| Fuel filter | P550774 | Fuel Filter, Spin-On | CUMMINS 3959612, CUMMINS 5301448, HYUNDAI 11LB70020, WIRTGEN 195744 | KuduParts $34.00 FridayParts $35.90 |
| Fuel / water separator | P550848 | Fuel Filter, Water Separator Spin-On Twist&Drain | CUMMINS 3973233, CUMMINS 4931955, NAPA 3732, LINDE 0019830505 | FridayParts $50.99 |
| Coolant filter | P552071 | Coolant Filter, Spin-On Sca Plus | CUMMINS 299080, CUMMINS 299880, NAPA 4071, TORO 012706560 | FridayParts $37.53 |
Same engine, other brands
2 brandsThe Cummins/Onan QSL9-G3 in this set also powers 2 generator sets sold under 2 other brands. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.
| Brand | Models |
|---|---|
| AKSA | APSD400 |
| MQ Power | MQP240 |
Maintenance & consumables
for the Cummins/Onan QSL9-G3| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Oil filter | Changed 3/13/2025 at 302 HRS | — | |||
| Battery | 2, 4D (Cores) | ×2 | — | ||
| Coolant | -40 | 6.0 gal | — |
Service intervals
2| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| valve clearance | Check | 2000 hr | B-Series (4BT3.3): valve clearance checks not required for 2000 hours, twice the industry standard | |
| engine overhaul | Other | 20000 hr | QSK23-Series: expected life cycle to 20,000 hours before first overhaul |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Recommended fluids
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Coolant | -40 freeze protection | 6.0 gal | 6 Gal added |
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 Cummins/Onan QSL9-G3?
The Cummins/Onan QSL9-G3 is rated 220 kW standby (275.0 kVA).
Which engine powers the Cummins/Onan QSL9-G3?
The Cummins/Onan QSL9-G3 is powered by the Cummins/Onan QSL9-G3 engine.
What kind of fuel does the Cummins/Onan QSL9-G3 run on?
The Cummins/Onan QSL9-G3 runs on diesel.
What's the oil capacity on a Cummins/Onan QSL9-G3?
The Cummins/Onan QSL9-G3 engine in the Cummins/Onan QSL9-G3 has an oil capacity of 27.6 liters.
What is the coolant capacity of the Cummins/Onan QSL9-G3?
The Cummins/Onan QSL9-G3 cooling system holds 15 liters (4.0 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the prime power rating of the Cummins/Onan QSL9-G3?
The Cummins/Onan QSL9-G3 is rated 200 kW prime (250 kVA), against 220 kW standby.
What is the dry weight of the Cummins/Onan QSL9-G3?
The Cummins/Onan QSL9-G3 has a dry weight of 861 kg (1898 lb).
What voltage does the Cummins/Onan QSL9-G3 produce?
The Cummins/Onan QSL9-G3 is offered in 24 V.
What alternator comes on the Cummins/Onan QSL9-G3?
The Cummins/Onan QSL9-G3 uses a 70 amps alternator.
Parts
4| Part # | Description | Qty | System | |
|---|---|---|---|---|
| PI144D1 | Alternator Model | 1 | Alternator | Amazon eBay |
| UC274C | Alternator Model | 1 | Alternator | Amazon eBay $8681.95 |
| UC274K | Alternator Model | 1 | Alternator | Amazon eBay |
| V2403-M-E3BG | Engine Model | 1 | Service part / kit | 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 |
|---|---|---|---|
| Base | 25% | 18.0 | 4.7 |
| Base | 75% | 49.0 | 13.0 |
| Prime | 50% | 34.0 | 8.9 |
| Prime | 100% | 59.0 | 15.6 |
| Standby | 100% | 66.0 | 17.3 |
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.