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 L (39.1 US qt) |
| Alternator | SR4B (4-pole) |
| 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 L (39.1 US qt) |
|---|---|
| Coolant capacity | 19.0 L |
| Displacement | 12.5 L |
| Aspiration | Turbocharged-Aftercooled (ATAAC) |
| Rated speed | 1800 rpm |
Filters for the Caterpillar C13 ACERT
7Engine-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 | P551808 | Lube Filter, Spin-On Full Flow | CATERPILLAR 1R1808, CATERPILLAR 1R808, NAPA 7792, BALDWIN B7299 | KuduParts $80.00 |
| Fuel filter | P551311 | Fuel Filter, Spin-On Secondary | CATERPILLAR 1R0749, CATERPILLAR 3089679, BALDWIN BF7587, TAMROCK 019854051 | KuduParts $147.00 FridayParts $151.84 |
| Fuel filter | P550625 | Fuel Filter, Spin-On Secondary | CATERPILLAR 1165436, CATERPILLAR 1R0762, NAPA 3640, BALDWIN BF7753 | 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 | P551000 | Fuel Filter, Water Separator Spin-On Twist&Drain | CATERPILLAR 2568753, CATERPILLAR 3I2113, NAPA 3406, BALDWIN BF1259 | FridayParts $99.00 |
| Fuel / water separator | P550737 | Fuel Filter, Water Separator Cartridge | BALDWIN PF7755, ORENSTEIN & KOPPEL 103865, MACK 2191P550737, INTERNATIONAL 2586814C1 | KuduParts $29.00 |
| Coolant filter | P554071 | Coolant Filter, Spin-On | CATERPILLAR 1112369, CATERPILLAR 1112370, NAPA 4071, WALGAHN-MOTORENTECHN 00811412 | FridayParts $397.60 |
| Coolant filter | P554685 | Coolant Filter, Spin-On Non-Chemical | CATERPILLAR 3I1300, CATERPILLAR 4059558, NAPA 4070, MTU 0002040791 | buy |
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 | 37 L (39.1 US qt) | — | 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 XQ425 takes 37 L (39.1 US qt) of engine oil (Caterpillar C13 ACERT engine specification).
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. It has 4 poles.
Parts
143| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 093-7521 | Filter hydraulic | 1 | Hydraulic filter | eBay $29.99 NAPA $45.52 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 eBay $79.98 eBay $39.31 NAPA $116.29 FridayParts $62.16 |
| 111-2369 | Maintenance Element | 1 | Coolant filter | Amazon eBay $26.35 NAPA $21.06 |
| 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 Amazon eBay $135.88 eBay $135.88 NAPA $28.51 NAPA $28.51 KuduParts $17.00 FridayParts $47.50 |
| 1R0755 | Filter fuel | Fuel filter | Amazon eBay $34.99 eBay $96.90 NAPA $82.67 NAPA $82.67 KuduParts $54.00 FridayParts $71.99 | |
| 1R1808 | Filter oil | Oil filter | Amazon eBay $141.00 eBay $59.99 NAPA $45.70 NAPA $45.70 KuduParts $80.00 FridayParts $81.99 | |
| 211-2660 | Air filter assy | Air filter | eBay $25.17 NAPA $42.90 | |
| 230-2781 | Hose | Hose | eBay $90.99 | |
| 230-2782 | Hose | Hose | eBay $69.56 | |
| 230-2854 | Hose | Hose | eBay $60.91 | |
| 230-7198 | V-belt | 1 | Belt | eBay $19.99 |
| 247-7133 | Thermostat | Thermostat | Amazon eBay $107.00 eBay $41.00 FridayParts $27.50 | |
| 326-1641 | Axial seal FWS | 1 | Fuel filter | Amazon eBay $23.00 NAPA $58.84 |
| 326-1643 | Filter water separator | 1 | Fuel filter | Amazon eBay $25.00 NAPA $66.22 KuduParts $22.00 FridayParts $105.00 |
| 328-3655 | Filter hydraulic/transmission | 1 | Hydraulic filter | eBay $58.72 NAPA $121.25 |
| 384-8611 | Lift/transfer pump | Pump | eBay $358.00 SinoCMP $219.00 KuduParts $312.00 FridayParts $322.09 | |
| 384-8612 | Lift/transfer pump | Pump | eBay $358.00 KuduParts $148.00 FridayParts $159.99 SinoCMP $259.00 | |
| 3S3875 | Filter fuel | Fuel filter | eBay $49.99 | |
| 7M4705 | V-belt | Belt | eBay $45.95 NAPA $48.82 FridayParts $82.99 | |
| 8N0205 | Filter water separator | Fuel filter | eBay $60.00 NAPA $79.10 FridayParts $35.00 | |
| 9CT002 | NOx Control System | Sensor | Amazon eBay $476.42 | |
| AP70121 | Diesel particulate filter (DPF) | 2 | Dpf | Amazon eBay |
| AP70122 | DPF gasket | 1 | Gasket | Amazon eBay |
| AP70123 | Diesel particulate filter (DPF) | 1 | Dpf | Amazon eBay |
| AP70313 | DPF gasket | 2 | Gasket | Amazon eBay |
| AP70314 | DPF gasket | 2 | Gasket | Amazon eBay |
| M-1043560 | Cylinder Liner Seal Ring | 6 | Seal | Amazon eBay |
| M-1095308 | Oil Pan Seal | 1 | Seal | Amazon eBay |
| M-1375541 | 1 Fuel Priming Pump Tall | 1 | Pump | Amazon eBay |
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| M-1P0436 | Fuel Priming Pump Gasket | 1 | Gasket | Amazon eBay |
| M-2173673 | Oil Pan Seal | 1 | Seal | Amazon eBay |
| M-2231608 | Oil Pump | 1 | Pump | Amazon eBay |
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| M-2266620 | Rear Structure Set | 1 | Gasket | Amazon eBay |
| M-2274239ORK | Injector Sleeve O-Ring Kit | 6 | Seal | Amazon eBay |
| M-2275075 | Regulator Housing Gasket | 1 | Gasket | Amazon eBay |
| M-2303728 | Injector Seal Ring Intermediate | 1 | Seal | Amazon eBay |
| M-2303775 | Injector Seal Ring Upper | 1 | Seal | Amazon eBay |
| M-2395581 | Remanufactured Fuel Injector - M-2395581 | Remanufactured fuel injector | Amazon eBay | |
| M-2481394 | Injector O-Ring Kit | 6 | Seal | Amazon eBay $8.61 |
| M-2644297 | Sensor - Temperature | AR | Sensor | Amazon eBay |
| M-2655324 | Oil Cooler Set | 1 | Gasket | Amazon eBay $176.39 |
| M-2655326 | Oil Pump Set - External | 1 | Gasket | Amazon eBay |
| M-2847707 | Remanufactured Fuel Injector - M-2847707 | Remanufactured fuel injector | Amazon | |
| M-3136846 | Central & Lower Set | 1 | Gasket | Amazon eBay |
| M-3136847 | Fuel System Set | 1 | Gasket | Amazon eBay |
| M-3136898 | Front Structure Set | 1 | Gasket | Amazon eBay |
| M-3142771 | Water Pump Installation Set | 1 | Gasket | Amazon eBay |
| M-3149899 | Air Compressor Set | 1 | Gasket | Amazon eBay |
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| M-3348407 | Water Pump Installation Set | 1 | Gasket | Amazon eBay |
| M-3520206 | Water Pump | 1 | Pump | Amazon eBay |
| M-3848611 | Pump - Transfer | Pump | Amazon eBay | |
| M-3S9643 | 1 Regulator Seal | AR | Seal | Amazon eBay |
| M-4367102 | Turbocharger Installation Set | 1 | Gasket | Amazon eBay |
| M-4388606 | Front Structure Set | 1 | Gasket | Amazon eBay |
| M-4390524 | Turbocharger Installation Set | 1 | Gasket | Amazon eBay |
| M-4394077 | Central & Lower Set | 1 | Gasket | Amazon eBay |
| M-4394451 | Oil Cooler Set | 1 | Gasket | Amazon eBay |
| M-4446485 | Gasket Set - C13-C15-C18 Front Structure | Gasket set | Amazon eBay | |
| M-4513316 | Gasket Set - Central & Lower | Gasket | Amazon eBay | |
| M-4532206 | Gasket Set - Front Structure | Gasket | Amazon eBay | |
| M-4696623 | Gasket Set - Oil Cooler | Gasket | Amazon eBay | |
| M-4698465 | Gasket Set - Oil Cooler | Gasket | Amazon eBay | |
| M-4732196 | Gasket Set - Turbocharger | Gasket | Amazon eBay | |
| M-4732197 | Gasket Set - Water Pump | Gasket | Amazon eBay | |
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| M-4941095 | Gasket Set - Oil Cooler | Gasket | Amazon eBay | |
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| M-6D7146 | Seal Ring - Body to Cover | 1 | Seal | Amazon eBay |
| M-6V7350 | Water Pump Mounting Seal | 1 | Seal | Amazon eBay |
| M-7L6580 | By Pass Tube Seal | 2 | Seal | Amazon eBay |
| M-9X7317 | Injector Seal Ring Lower | 1 | Seal | Amazon eBay |
| M-RSC13E | Ring Set C13 | Ring set | Amazon eBay | |
| MCBC13013 | Cylinder Head Gasket Set | 1 | Gasket | Amazon eBay $675.00 |
| MCBC13021 | Overhaul Gasket Set | 1 | Gasket | Amazon eBay |
| MCBC13022 | In-Chassis Gasket Set | 1 | Gasket | Amazon eBay |
| MCBC13031 | Overhaul Gasket Set | 1 | Gasket | Amazon eBay |
| MCBC13032 | In-Chassis Gasket Set | 1 | Gasket | Amazon eBay |
| MCBC13033 | Cylinder Head Gasket Set | 1 | Gasket | Amazon eBay $979.67 |
| MCBC13041 | Major O/H Gasket Set | Gasket | Amazon eBay | |
| MCBC13041GC | Major O/H Gasket Set | Gasket | Amazon eBay | |
| MCBC13042 | In-Chassis Gasket Set | Gasket | Amazon eBay | |
| MCBC13042GC | In-Chassis Gasket Set | Gasket | Amazon eBay | |
| MCBC13043 | Cyl. Head Gasket Set | Gasket | Amazon eBay | |
| MCBC13043GC | Cyl. Head Gasket Set | Gasket | Amazon eBay | |
| MCBC13051 | Major O/H Gasket Set | Gasket | Amazon eBay | |
| MCBC13051GC | Major O/H Gasket Set | Gasket | Amazon eBay | |
| MCBC13061 | Major O/H Gasket Set | Gasket | Amazon eBay | |
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| MCBC13071 | Major O/H Gasket Set | Gasket | Amazon eBay | |
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| MCBC13072 | In-Chassis Gasket Set | Gasket | Amazon eBay | |
| MCBC13072GC | In-Chassis Gasket Set | Gasket | Amazon eBay | |
| MCBC13073 | Cyl. Head Gasket Set | Gasket | Amazon eBay | |
| MCBC13073GC | Cyl. Head Gasket Set | Gasket | Amazon eBay | |
| MCBC13081 | Major O/H Gasket Set | Gasket | Amazon eBay | |
| MCBC13081GC | Major O/H Gasket Set | Gasket | Amazon eBay | |
| MCBC13082 | In-Chassis Gasket Set | Gasket | Amazon eBay | |
| MCBC13082GC | In-Chassis Gasket Set | Gasket | Amazon eBay | |
| MCBC13083 | Cyl. Head Gasket Set | Gasket | Amazon eBay | |
| MCBC13083GC | Cyl. Head Gasket Set | Gasket | Amazon eBay | |
| MCBC13091 | Major O/H Gasket Set | Gasket | Amazon eBay | |
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| MCBC13111 | Major O/H Gasket Set | Gasket | 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 |
| R-10R0961 | Injector - Rebuilt | 6 | Injector | Amazon eBay |
| R-10R0966 | Injector - Rebuilt | 6 | Injector | Amazon eBay |
| R-10R0968 | Injector - Rebuilt | 6 | Injector | Amazon eBay |
| R-10R2977 | Injector - Rebuilt | 6 | Injector | Amazon eBay |
| 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 $29.76 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 |
Source — consumption: CAT-XQ425-spec-sheet.
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.