Service parts for the XQ1140
Grouped by system, with how many of each the parts manual calls for.
Oil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 1000 kW |
| Standby kVA | 1250 |
| Prime power | 910 kW |
| Emissions | Tier 4 Final |
| Controller | EMCP 4.4 |
| Oil capacity | 74.0 L |
| Alternator | LC6134G |
| Voltage options | 208/480 V |
| Phase | 3 |
| Rated current | 1366.40 A |
| Power factor | 0.8 |
| Circuit breaker | 2000 A |
| Battery group | 240V |
| Battery cranking | 1400 CCA |
| Battery voltage | 240 V |
| Battery quantity | 2 |
| Coolant capacity | 201.4 L |
| Max ambient | 47 °C |
| Dimensions (L×W×H) | 12192×2438×2896 mm |
| Dry weight | 22728 kg |
| Sound level | 76.0 dBA @ 7 m |
| Fuel tank | 4770.0 L |
| Tank runtime | 22 hr |
Engine
| Oil capacity | 20.8 L |
|---|---|
| Coolant capacity | 77.0 L |
| Displacement | 18.1 L |
| Aspiration | ATAAC |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Caterpillar C18| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | 500-hour oil change intervals | — | 500 hr | ||
| Fuel filter | 500-hour oil change intervals | — | 500 hr | ||
| Oil filter | 3890434 | 500 hr | Amazon $148.00 eBay $82.42 PartsGeek $30.97 | ||
| Battery | 500-hour oil change intervals | ×2 | — | 500 hr | |
| Belt | 500-hour oil change intervals | — | 500 hr | ||
| Coolant | 500-hour oil change intervals | 100.7 L | — | 500 hr | |
| Coolant filter | — | ||||
| Oil | 74.0 L | — | 500 hr | ||
| Spark plug | 500-hour oil change intervals | — | 500 hr |
Compatible filters for the Caterpillar C18 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.
- Air filter: Caterpillar 1063973 Caterpillar 1327169 Caterpillar 1236856 Caterpillar 30009151 Caterpillar 2310167
- Fuel filter: Caterpillar 1165436 Caterpillar 3089679 Caterpillar 3890433 Donaldson P550625 Donaldson P551311
- Fuel filter (secondary): Caterpillar 1165436 Caterpillar 3089679 Donaldson P550625 Donaldson P551311 Wix 33640
Common questions
What size generator is the Caterpillar XQ1140?
The Caterpillar XQ1140 is rated 1000 kW standby (1250.0 kVA).
Which engine powers the Caterpillar XQ1140?
The Caterpillar XQ1140 is powered by the Caterpillar C18 engine.
What fuel does the Caterpillar XQ1140 use?
The Caterpillar XQ1140 runs on Diesel.
What is the oil capacity of the Caterpillar XQ1140?
The Caterpillar C18 engine in the Caterpillar XQ1140 has an oil capacity of 20.8 liters.
Which alternator is fitted to the Caterpillar XQ1140?
The Caterpillar XQ1140 uses a LC6134G alternator.
What oil filter fits the Caterpillar XQ1140?
The Caterpillar XQ1140 uses oil filter part number 3890434.
What fuel filter fits the Caterpillar XQ1140?
The Caterpillar XQ1140 uses fuel filter part numbers CATERPILLAR 1165436, CATERPILLAR 3089679.
What air filter fits the Caterpillar XQ1140?
The Caterpillar XQ1140 uses air filter part numbers CATERPILLAR 1063973, CATERPILLAR 1327169.
Parts
143| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 102-2828 | Filter oil | Oil filter | eBay $15.00 | |
| 106-3973 | Air filter inner | Air filter | Amazon eBay $79.98 eBay $39.31 FridayParts $62.16 | |
| 118-2018 | V-belt | Belt | eBay $74.43 FridayParts $21.56 | |
| 126-1815 | Hydraulic - UHE | 1 | Hydraulic filter | eBay $109.00 FridayParts $77.99 |
| 133-5673 | Fuel/Water Separator | 1 | Fuel filter | Amazon $47.30 eBay $19.99 eBay $19.99 KuduParts $19.00 |
| 138-6744 | Water pump repair kit | Pump | eBay $179.99 | |
| 142-5867 | Front seal | Seal | eBay $41.66 FridayParts $39.38 | |
| 142-5868 | Rear seal | Seal | eBay $45.71 FridayParts $26.95 | |
| 144-6691 | Hydraulic | 1 | Hydraulic filter | eBay $25.95 |
| 151-7737 | Air Primary | 1 | Air filter | eBay $100.00 FridayParts $88.99 |
| 161-4113 | Oil pump | Pump | eBay $1200.00 FridayParts $510.00 | |
| 189-0202 | Air Secondary | 1 | Air filter | eBay $60.00 FridayParts $79.99 |
| 1R-0716 | Engine Oil | 1 | Oil filter | Amazon eBay $44.90 eBay $44.90 KuduParts $80.00 |
| 1R-0749 | Fuel Secondary - ADV | 1 | Fuel filter | Amazon $90.99 Amazon $19.99 eBay $135.88 eBay $135.88 KuduParts $17.00 |
| 1R-0762 | Fuel Secondary - ADV | 2 | Fuel filter | Amazon $23.49 eBay $33.99 eBay $34.95 FridayParts $30.63 |
| 1R-0770 | Fuel/Water Separator | 1 | Fuel filter | eBay $38.77 KuduParts $22.00 |
| 1R-0781 | Fuel/Water Separator - ADV | 1 | Fuel filter | eBay $29.95 |
| 1R-1808 | Engine Oil - ADV | 2 | Oil filter | Amazon $70.99 eBay $141.00 eBay $59.99 KuduParts $80.00 |
| 1R0716 | Filter oil | Oil filter | Amazon eBay $44.90 eBay $44.90 KuduParts $80.00 | |
| 1R0749 | Filter fuel | Fuel filter | Amazon $90.99 Amazon $19.99 eBay $135.88 eBay $135.88 KuduParts $17.00 | |
| 1R0755 | Filter fuel | Fuel filter | Amazon eBay $34.99 eBay $96.90 KuduParts $54.00 | |
| 1R0774 | Filter hydraulic | Hydraulic filter | eBay $37.11 FridayParts $24.99 | |
| 1R1808 | Filter oil | Oil filter | Amazon $70.99 eBay $141.00 eBay $59.99 KuduParts $80.00 | |
| 1W-3636 | Air Secondary | 1 | Air filter | eBay $151.99 |
| 1W-3637 | Air Primary | 1 | Air filter | eBay $238.49 |
| 246-5009 | Air | 1 | Air filter | eBay $88.93 FridayParts $109.47 |
| 246-5010 | Air | 1 | Air filter | eBay $45.00 FridayParts $179.13 |
| 247-7133 | Thermostat | Thermostat | Amazon eBay $107.00 eBay $41.00 FridayParts $27.50 | |
| 248-5513 | Thermostat | Thermostat | Amazon eBay $39.95 eBay $43.00 FridayParts $30.31 | |
| 326-1641 | Filter water separator | Fuel filter | Amazon eBay $23.00 | |
| 326-1642 | Filter water separator | Fuel filter | eBay $38.00 | |
| 326-1643 | Filter water separator | Fuel filter | Amazon eBay $25.00 KuduParts $22.00 | |
| 328-3655 | Filter hydraulic/transmission | Hydraulic filter | eBay $58.72 | |
| 336-2213 | Water pump | Pump | eBay $669.95 FridayParts $408.99 | |
| 352-0211 | Water pump | Pump | eBay $509.95 FridayParts $544.58 | |
| 384-8611 | Lift/transfer pump | Pump | eBay $358.00 SinoCMP $219.00 | |
| 384-8612 | Lift/transfer pump | Pump | eBay $358.00 KuduParts $148.00 | |
| 3S3875 | Filter fuel | Fuel filter | eBay $49.99 | |
| 420-5855 | Water Pump Seal Installer (Dimensions: 47 x 45 mm, Weight: .463 kg) | Water pump seal installer | Amazon eBay | |
| 4N0015 | Air filter outer | Air filter | eBay $109.99 KuduParts $114.00 | |
| 4N1151 | Gasket oil pan | Gasket | eBay $15.24 | |
| 4N6302 | V-belt | Belt | eBay $25.00 | |
| 6T1395 | Alternator | Alternator | eBay $444.93 FridayParts $223.95 | |
| 7C-1571 | Air Primary | 1 | Air filter | eBay $63.99 |
| 8N6309 | Air filter outer | Air filter | eBay $89.68 KuduParts $185.00 | |
| 9N3717 | Filter water separator | Fuel filter | eBay $42.00 | |
| 9T0973 | Filter hydraulic/transmission | Hydraulic filter | eBay $92.60 KuduParts $75.00 | |
| 9Y-3879 | Air | 1 | Air filter | eBay $186.50 KuduParts $114.00 |
| M-2454630 | Sensor Assembly - Speed | Sensor | Amazon eBay | |
| M-2463129 | Impeller – Water Pump | Impeller | Amazon eBay | |
| M-2463130 | Shaft – Water Pump | Pump | Amazon eBay | |
| M-2572752 | Gasket Set - C18 Front Structure | Gasket set | Amazon eBay | |
| M-2672839 | Water pump repair kit | Pump | Amazon eBay | |
| M-3604170 | Gasket Set - C18 Front Structure | Gasket set | Amazon eBay | |
| M-3605916 | Gasket Set - C18 Central & Lower | Gasket set | Amazon eBay | |
| M-3687817 | Piston | Piston | Amazon eBay | |
| M-3848611 | Pump - Transfer | Pump | Amazon eBay | |
| M-4154993 | Gasket Set - Single Cylinder Head - C18 | Gasket set | Amazon eBay | |
| M-4220925 | Gasket Set - Rear Structure | Gasket | Amazon eBay | |
| M-4337629 | Gasket Set - Rear Structure | Gasket | Amazon eBay | |
| M-4351087 | Gasket Set - Rear Structure | Gasket | Amazon eBay | |
| M-4361559 | Gasket Set - Front Structure | Gasket | Amazon eBay | |
| M-4365757 | Gasket Set - Turbo Installation | Gasket | Amazon eBay | |
| M-4446485 | Gasket Set - C13-C15-C18 Front Structure | Gasket set | Amazon eBay | |
| M-4452666 | Gasket Set - Rear Structure | Gasket | Amazon eBay | |
| M-4496052 | Gasket Set - Oil Cooler & Lines | Gasket | Amazon eBay | |
| M-4588198 | Gasket Set - Front Structure | Gasket | Amazon eBay | |
| M-4682161 | Gasket Set - Cylinder Head | Gasket | Amazon eBay | |
| M-4685553 | Gasket Set - Central & Lower | Gasket | Amazon eBay | |
| M-4685746 | Gasket Set - Cylinder Head | Gasket | Amazon eBay | |
| M-4687363 | Gasket Set - Water Pump | Gasket | Amazon eBay | |
| M-4687942 | Gasket Set - Turbo Installation | Gasket | Amazon eBay | |
| M-4690626 | Gasket Set - Central & Lower | Gasket | Amazon eBay | |
| M-4690822 | Gasket Set - Turbo Installation | Gasket | Amazon eBay | |
| M-4690823 | Gasket Set - Cylinder Head | Gasket | Amazon eBay | |
| M-4690878 | Gasket Set - Cylinder Head | Gasket | Amazon eBay | |
| M-4692381 | Gasket Set - Central & Lower | Gasket | Amazon eBay | |
| M-4692382 | Gasket Set - Fuel System | Gasket | Amazon eBay | |
| M-4692388 | Gasket Set - Cylinder Head | Gasket | Amazon eBay | |
| M-4701892 | Gasket Set - Turbo Installation | Gasket | Amazon eBay | |
| M-4733264 | Gasket Set - Rear Structure | Gasket | Amazon eBay | |
| M-4886213 | Gasket Set - Oil Cooler | Gasket | Amazon eBay | |
| M-4916359 | Gasket Set - Turbo Installation | Gasket | Amazon eBay | |
| M-CK3687817P | Cylinder Kit | Cylinder kit | Amazon eBay | |
| MCB3306031 | MAJOR OVERHAUL GASKET SET | 1 | Gasket | Amazon eBay |
| MCB3306032 | GASKET SET | 1 | Gasket | Amazon eBay |
| MCB3306033 | CYLINDER HEAD GASKET SET | 1 | Gasket | Amazon eBay |
| MCB3306121 | MAJOR OVERHAUL GASKET SET | 1 | Gasket | Amazon eBay |
| MCB3306122 | GASKET SET | 1 | Gasket | Amazon eBay |
| MCB3306123 | CYLINDER HEAD GASKET SET | 1 | Gasket | Amazon eBay |
| 2243245 | Connecting rod | Service part / kit | Amazon eBay $204.09 FridayParts $299.85 | |
| 249-0439 | Oxidation Catalyst Assembly - Round | Service part / kit | Amazon eBay | |
| 256-0331 | Oxidation Catalyst Assembly - Round | Service part / kit | Amazon eBay | |
| 888-983-7847 | ENGINE BLOCK CRANKSHAFT | 1 | Service part / kit | Amazon eBay |
| A100 | Download Specification | Service part / kit | Amazon eBay $14.00 FridayParts $24.05 | |
| M-3687815 | Piston | Service part / kit | Amazon eBay | |
| M-3687816 | Piston | Service part / kit | Amazon eBay | |
| M-CK3687815P | Kit - Cylinder Kit | Service part / kit | Amazon eBay | |
| M-CK3687816P | Kit - Cylinder Kit | Service part / kit | Amazon eBay | |
| R-20R2284 | C15/C18/C27/C32 ACERT Trim file (12-digit serial) | 1 | Service part / kit | Amazon eBay |
| R-20R2285 | C15/C18/C27/C32 ACERT Trim file (12-digit serial) | 1 | Service part / kit | Amazon eBay |
| RSC18E | Ring Set - Piston | Service part / kit | Amazon eBay | |
| RSC18E1 | Ring Set - Piston | Service part / kit | Amazon eBay | |
| g00284658 | Illustration 17 EPA Emissions Certification Film | Service part / kit | Amazon | |
| g00415538 | Illustration 18 European Emissions Certification Film | Service part / kit | Amazon | |
| g00702020 | Wear a hard hat, protective glasses, and other protective equipment, as required. | 1 | Service part / kit | Amazon eBay |
| g00704000 | Illustration 8 | 1 | Service part / kit | Amazon eBay |
| g00704059 | Illustration 9 | 1 | Service part / kit | Amazon eBay |
| g00771448 | Grounding Practices | Service part / kit | Amazon eBay | |
| g00943786 | Illustration 113 - AD45 | Service part / kit | Amazon eBay | |
| g00943874 | Illustration 114 - AD45 | Service part / kit | Amazon eBay | |
| g01054560 | Illustration 23 Typical performance monitor panel | Service part / kit | Amazon | |
| g01054562 | Illustration 24 Typical performance monitor panel for totals | Service part / kit | Amazon | |
| g01054565 | Illustration 25 Typical performance monitor panel for settings | Service part / kit | Amazon | |
| g01054566 | Illustration 26 Typical performance monitor panel for service | Service part / kit | Amazon | |
| g01065152 | Illustration 16 (1) Serial number plate (2) Information plate | Service part / kit | Amazon | |
| g01233007 | Illustration 20 | Service part / kit | Amazon | |
| g01416712 | Illustration 1 | Service part / kit | Amazon | |
| g01459611 | Illustration 21 | Service part / kit | Amazon | |
| g01459691 | Illustration 22 Caterpillar Messenger Display | Service part / kit | Amazon | |
| i00844066 | Emissions Certification Film | Service part / kit | Amazon | |
| i00863835 | Self-Diagnostics | Service part / kit | Amazon | |
| i00911989 | Before Starting Engine | Service part / kit | Amazon eBay | |
| i01103904 | Engine Starting | Service part / kit | Amazon eBay | |
| i01359666 | Crushing Prevention and Cutting Prevention | 1 | Service part / kit | Amazon eBay |
| i01372247 | Mounting and Dismounting | 1 | Service part / kit | Amazon eBay |
| i01372254 | Fire Prevention and Explosion Prevention | Service part / kit | Amazon eBay | |
| i01463253 | Diagnostic Lamp | Service part / kit | Amazon eBay | |
| i01646248 | SMCS Code: 1000 | 1 | Service part / kit | Amazon |
| i01658146 | Important Safety Information | Service part / kit | Amazon eBay | |
| i01852375 | Walk-Around Inspection | Service part / kit | Amazon eBay | |
| i01934760 | SMCS Code: 1000; 1401; 1402; 1900 | 1 | Service part / kit | Amazon |
| i01988813 | Product Lifting | Service part / kit | Amazon | |
| i02068367 | Product Storage | Service part / kit | Amazon eBay | |
| i02088692 | Plate Locations and Film Locations | Service part / kit | Amazon | |
| i02109067 | Operation and Maintenance Manual, 'Maintenance Interval Schedule' | 1 | Service part / kit | Amazon eBay |
| i02164876 | Reference Numbers | Service part / kit | Amazon | |
| i02469632 | Electrical System | Service part / kit | Amazon eBay | |
| i02496338 | Diagnostic Flash Code Retrieval | Service part / kit | Amazon | |
| i02566298 | General Hazard Information | Service part / kit | Amazon eBay | |
| i02784356 | Engine Electronics | Service part / kit | Amazon eBay | |
| i02840188 | Safety Messages | Service part / kit | Amazon | |
| i02944987 | Monitoring System | Service part / kit | Amazon |
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% | 183.0 | 48.0 |
| Prime | 75% | 214.0 | 56.6 |
| Prime | 100% | 252.0 | 66.4 |
| Prime | 110% | 272.0 | 71.8 |
| Standby | 50% | 183.0 | 48.0 |
| Standby | 75% | 214.0 | 56.6 |
| Standby | 100% | 252.0 | 66.4 |
| Standby | 110% | 272.0 | 71.8 |
Available documents
Spec sheet — 1 MW 2020 Used Caterpillar XQ1140 Tier 4 Diesel Generator USP010025 (Caterpillar)Spec sheet — USP010024 Specs (Caterpillar)Spec sheet — USP010905 (Caterpillar)Spec sheet — XQ-Range-Flyer-1 (Caterpillar)Spec sheet — cat-xq1140 (Caterpillar)Reference — XQ1140 SPEC SHEET (Caterpillar)