Service parts for the XQ 500
Grouped by system, with how many of each the parts manual calls for.
Air intake
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 | 500 kW |
| Standby kVA | 625 |
| Prime power | 455 kW |
| Emissions | Tier 4 Interim |
| Controller | Emcp Ii |
| Oil capacity | 38.0 L |
| Alternator | SR4B (Class Class H insulation) |
| Voltage options | 12 V, 480/277 V, 240/139 V |
| Circuit breaker | 1600 A |
| Coolant capacity | 74.2 L |
| Dimensions (L×W×H) | 6096×2438×2591 mm |
| Dry weight | 9512 kg |
| Sound level | 70.8 dBA @ 7 m |
| Fuel tank | 2445.0 L |
Maintenance & consumables
for the Caterpillar 3456 ATAAC| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air Inlet System | 1063973 | 5000 hr | Amazon eBay $79.98 eBay $39.31 FridayParts $62.16 | |
| Fuel filter | — | 1200 hr | |||
| Oil filter | — | 1200 hr | |||
| Battery | — | 1200 hr | |||
| Belt | — | 1200 hr | |||
| Coolant | — | ||||
| Oil | — | ||||
| Spark plug | — | 1200 hr |
Compatible filters for the Caterpillar 3456 ATAAC — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.
Recommended fluids
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Fuel | ultra low sulfur diesel (ULSD) | Required for Tier 4 Interim emissions compliance |
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 XQ 500?
The Caterpillar XQ 500 is rated 500 kW standby (625.0 kVA).
What engine is in the Caterpillar XQ 500?
The Caterpillar XQ 500 is powered by the Caterpillar 3456 ATAAC engine.
What fuel does the Caterpillar XQ 500 use?
The Caterpillar XQ 500 runs on diesel.
What alternator does the Caterpillar XQ 500 use?
The Caterpillar XQ 500 uses a SR4B alternator. Insulation class Class H.
What oil filter does the Caterpillar XQ 500 use?
The Caterpillar XQ 500 uses oil filter part numbers CATERPILLAR 3890434, CATERPILLAR 2P4005.
Which fuel filter part number does the Caterpillar XQ 500 take?
The Caterpillar XQ 500 uses fuel filter part numbers CATERPILLAR 1165436, CATERPILLAR 5134490.
What air filter fits the Caterpillar XQ 500?
The Caterpillar XQ 500 uses air filter part number 1063973.
Parts
1model family| Part # | Description | Qty | System | |
|---|---|---|---|---|
| LEBE0009-00 | Cat NOx Reduction System and Clean Emissions Module (DOC+DPF+CRS) | Service part / kit | Amazon eBay |
Compiled from this model's family documentation — may include parts for closely-related variants. 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 | 75% | 97.6 | 25.8 |
| Standby | 100% | 137.4 | 36.3 |