Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 375 kW |
| Standby kVA | 469 |
| Prime power | 340 kW |
| Emissions | U.S. EPA Tier 4 Final |
| Controller | EMCP 4.2 |
| Oil capacity | 37.0 L |
| Alternator | SR4B (Class Class H insulation) |
| Voltage options | 480/277 V, 240/139 V, 208/120 V, 400/230 V, 600 V |
| Phase | 3 |
| Rated current | 511 A |
| Power factor | 0.8 |
| Circuit breaker | 1600 A |
| Battery cranking | 1400 CCA |
| Battery voltage | 12 V |
| Battery quantity | 2 |
| Coolant capacity | 61 L |
| Max ambient | 43 °C |
| Dimensions (L×W×H) | 5080×1524×2642 mm |
| Dry weight | 6667 kg |
| Wet weight | 8571 kg |
| Sound level | 76.0 dBA @ 7 m |
| Fuel tank | 1970.0 L |
| Tank runtime | 26 hr |
Engine
| Oil capacity | 37.0 L |
|---|---|
| Coolant capacity | 19.0 L |
| Displacement | 12.5 L |
| Aspiration | Turbocharged-Aftercooled (ATAAC) |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Caterpillar C13 ACERT| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Check | — | 200 hr | ||
| Fuel filter | Replace | — | 20000 hr | ||
| Oil filter | Change | — | 30000 hr | ||
| Battery | Inspect, Clean | — | 30000 hr | ||
| Belt | Check | — | 200 hr | ||
| Coolant | Drain | 61.0 L | — | 30000 hr | |
| Oil | Pan | 210.0 L | — | 30000 hr | |
| Spark plug | Replace (if equipped) | — | 30000 hr |
Service intervals
1| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| oil | Change | 500 hr | 500-hour oil change intervals |
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 | 50% coolant antifreeze with corrosion inhibitor | 61.0 L | Engine & radiator coolant capacity | ||
| Fuel | ULSD | 1970.0 L | Requires ULSD; fuel tank capacity 1970 L (520 gal) |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Voltage reconnection
| Voltage | Phase | Connection | Leads | Notes |
|---|---|---|---|---|
| 240/139V | 3 | Link board (low) | 12-lead | Can be adjusted down to 208/120V 3-phase |
| 480/277V | 3 | Link board (high) | 12-lead | Movable link board for high/low voltage output reconnection; includes switch providing voltage setting input to the EMCP 4.2 |
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 size generator is the Caterpillar XQ425?
The Caterpillar XQ425 is rated 375 kW standby (469.0 kVA).
What engine is in the Caterpillar XQ425?
The Caterpillar XQ425 is powered by the Caterpillar C13 ACERT engine.
What fuel does the Caterpillar XQ425 use?
The Caterpillar XQ425 runs on Diesel.
How much oil does the Caterpillar XQ425 take?
The Caterpillar C13 ACERT engine in the Caterpillar XQ425 has an oil capacity of 37.0 liters.
What is the cooling system capacity of the Caterpillar XQ425?
The Caterpillar XQ425 cooling system holds 61 liters (16.1 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the prime power rating of the Caterpillar XQ425?
The Caterpillar XQ425 is rated 340 kW prime (425 kVA), against 375 kW standby.
How loud is the Caterpillar XQ425?
The Caterpillar XQ425 is rated at 76.0 dBA at 7 m, per the manufacturer specification sheet.
What is the dry weight of the Caterpillar XQ425?
The Caterpillar XQ425 has a dry weight of 6667 kg (14698 lb).
What size fuel tank does the Caterpillar XQ425 have?
The Caterpillar XQ425 has a 1970 liter (520 US gallon) fuel tank, giving about 26 hours of runtime.
What voltage does the Caterpillar XQ425 produce?
The Caterpillar XQ425 is offered in 480/277 V, 240/139 V, 208/120 V, 400/230 V, 600 V, 3-phase.
What battery does the Caterpillar XQ425 use?
The Caterpillar XQ425 uses 2 batteryies, 12 V each, 1400 CCA, per the manufacturer specification sheet.
What alternator comes on the Caterpillar XQ425?
The Caterpillar XQ425 uses a SR4B alternator. Insulation class Class H.
Parts
143| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 093-7521 | Filter hydraulic | 1 | Hydraulic filter | eBay $29.99 KuduParts $18.00 FridayParts $19.99 |
| 101-2844 | 1 gallon (3.8L) | 1 gallon (3.8L) | Fluid | Amazon eBay |
| 106-3973 | Air filter inner | 1 | Air filter | Amazon $39.31 eBay $79.98 eBay $39.31 FridayParts $62.16 |
| 111-2369 | Maintenance Element | 1 | Coolant filter | Amazon eBay $26.35 |
| 119-5152 | Cat Engine Oil (quart bottle) | quart bottle | Fluid | Amazon eBay |
| 126-2081 | Filter oil | 1 | Oil filter | eBay $27.00 KuduParts $42.00 FridayParts $44.11 |
| 142-5867 | Front seal | Seal | eBay $41.66 FridayParts $39.38 | |
| 1R0749 | Filter fuel | 1 case (12 x 1 quart) | Fuel filter | Amazon $90.99 Amazon $19.99 eBay $135.88 eBay $135.88 KuduParts $17.00 FridayParts $47.50 |
| 1R0755 | Filter fuel | Fuel filter | Amazon $20.99 eBay $34.99 eBay $96.90 KuduParts $54.00 FridayParts $71.99 | |
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| 211-2660 | Air filter assy | Air filter | eBay $25.17 | |
| 230-2781 | Hose | Hose | eBay $90.99 | |
| 230-2782 | Hose | Hose | eBay $69.56 | |
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| 326-1641 | Axial seal FWS | 1 | Fuel filter | Amazon $58.88 eBay $23.00 |
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| AP70121 | Diesel particulate filter (DPF) | 2 | Dpf | Amazon eBay |
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| MCBC13HBK | Head Bolt Kit - MCBC13HBK | Head bolt kit | Amazon eBay | |
| PEHJ0170 | Air Inlet Shutoff | Air filter | Amazon eBay | |
| R-10R0725 | Injector - Rebuilt | 6 | Injector | Amazon eBay |
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| 10R-8830 | Oil Pan / Sump Turbo Mount | Service part / kit | Amazon eBay | |
| 10R-8831 | Oil Pan / Sump Turbo Mount | Service part / kit | Amazon eBay | |
| 10R-8832 | Oil Pan / Sump Turbo Mount | Service part / kit | Amazon eBay | |
| 10R-8833 | Oil Pan / Sump Turbo Mount | Service part / kit | Amazon eBay | |
| 10R-8834 | Oil Pan / Sump Turbo Mount | Service part / kit | Amazon eBay | |
| 128-4124 | Kit without Conditioner | Service part / kit | Amazon eBay | |
| 163-1128 | Kit with Liquid | Service part / kit | Amazon eBay | |
| 163-1129 | Kit with Element | Service part / kit | Amazon eBay | |
| 2239150 | Connecting rod | Service part / kit | Amazon eBay $180.50 | |
| 888-983-7847 | ENGINE BLOCK CRANKSHAFT | 1 | Service part / kit | Amazon eBay |
| 8T1589 | Maintenance Charge | Service part / kit | Amazon Amazon eBay eBay | |
| 8T9190 | Refill Charge | Service part / kit | Amazon eBay | |
| M-2237467 | Camshaft | Service part / kit | Amazon eBay | |
| M-2477133 | 1 Regulator - 190ºC | AR | Service part / kit | Amazon eBay $59.00 |
| M-3882310 | Piston | Service part / kit | Amazon eBay | |
| M-CK3882310P | Cylinder Kit | Service part / kit | Amazon eBay $599.99 | |
| MCBC13ESK | Exhaust Stud Kit - MCBC13ESK | Service part / kit | Amazon eBay | |
| MCIF3882310 | Inframe Kit | Service part / kit | Amazon eBay | |
| MCIF3882310-1 | Inframe Kit | Service part / kit | Amazon eBay | |
| MCOH3882310 | Overhaul Kit | Service part / kit | Amazon eBay | |
| MCOH3882310-1 | Overhaul Kit | 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 |
|---|---|---|---|
| Prime | 50% | 48.6 | 12.7 |
| Prime | 75% | 67.9 | 17.7 |
| Prime | 100% | 88.0 | 23.1 |
| Standby | 50% | 52.3 | 13.6 |
| Standby | 75% | 73.4 | 19.2 |
| Standby | 100% | 97.5 | 25.1 |
Available documents
Spec sheet — CAT-XQ425-spec-sheet (Caterpillar)Spec sheet — XQ-Range-Flyer-1 (Caterpillar)Reference — CAT-C13-SN-NF300186-Load-Test-Report (Stowers Power Systems)
This page was generated from the 3 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.