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 (4-pole) |
| 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 |
Filters for the Caterpillar 3456 ATAAC
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 | P554005 | Lube Filter, Spin-On Full Flow | CATERPILLAR 1R0716, CATERPILLAR 1W2660, NAPA 1792, BALDWIN BF46150-O | FridayParts $41.73 |
| Oil filter | P551808 | Lube Filter, Spin-On Full Flow | CATERPILLAR 1R1808, CATERPILLAR 1R808, NAPA 7792, BALDWIN B7299 | KuduParts $80.00 |
| Fuel / water separator | P551858 | Fuel Filter, Water Separator Spin-On | CATERPILLAR 1335673, CATERPILLAR 1700061, NAPA 3780, BALDWIN BF1265 | FridayParts $39.00 KuduParts $48.00 |
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 filter | P550625 | Fuel Filter, Spin-On Secondary | CATERPILLAR 1165436, CATERPILLAR 1R0762, NAPA 3640, BALDWIN BF7753 | buy |
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 NAPA $116.29 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.
How much coolant does the Caterpillar XQ 500 hold?
The Caterpillar XQ 500 cooling system holds 74.2 liters (19.6 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
How much oil does the Caterpillar XQ 500 take?
The Caterpillar XQ 500 has an engine oil capacity of 38 liters (40.2 US quarts), per the manufacturer specification sheet.
What is the continuous rating of the Caterpillar XQ 500?
The Caterpillar XQ 500 is rated 455 kW prime (569 kVA), against 500 kW standby.
What is the sound level of the Caterpillar XQ 500?
The Caterpillar XQ 500 is rated at 70.8 dBA at 7 m, per the manufacturer specification sheet.
How much does the Caterpillar XQ 500 weigh?
The Caterpillar XQ 500 has a dry weight of 9512 kg (20970 lb).
What size fuel tank does the Caterpillar XQ 500 have?
The Caterpillar XQ 500 has a 2445 liter (646 US gallon) fuel tank.
What voltage does the Caterpillar XQ 500 produce?
The Caterpillar XQ 500 is offered in 12 V, 480/277 V, 240/139 V.
What alternator does the Caterpillar XQ 500 use?
The Caterpillar XQ 500 uses a SR4B alternator. It has 4 poles.
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 |
Available documents
This page was generated from the 4 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.