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The XQP500 generator set will either meet EU Stage IIIA emission standards or provide low fuel consumption performance for customers in non-regulated territories. A unique feature is the introduction of clutch fan drive technology, where the fan no longer needs to runs continuously at full speed and power. This saves additional fuel, while also lowering noise output; an ideal feature when operating at lower loads, in cooler temperatures, or most importantly, in evenings when noise levels are most noticeable.


Rating 500 kVA Prime 500 kVA Prime Less
Frequency 50/60 Hz 50/60 Hz Less
Voltage 127 - 480 V 127 - 480 V Less


Engine C15 Diesel Engine C15 Diesel Engine Less
Fuel Diesel Diesel Less


Width 76.79 in 1954.0 mm Less
Height 90.2 in 2292.0 mm Less
Length 200.9 in 5103.0 mm Less
Weight 13176.0 lb 5977.0 kg Less

Fuel / Emissions Strategy

• Meets Stage IIIA emissions standards

Single-source Supplier

• Factory designed and fully prototype tested with certified torsional vibration analysis available

Cat C15 ACERT Diesel Engine

• Uses ACERT technology • Four-stroke diesel engine combines consistent performance and excellent fuel economy with minimum weight

Cat EMCP 4.2B Control Panel

• Fully featured power metering, protective relaying, and engine/generator control and monitoring

Cat LC6100 Generator

• Designed to match performance and output characteristics of Cat diesel engines

Integrated Voltage Regulator (IVR)

• Three-phase sensing


• Galvanized sheet steel construction

Rear Customer Access

• Sound isolated control panel with integrated power distribution access.

XQP500 Standard Equipment

Air Inlet
  • Air cleaner, two stage cyclonic/paper with dust cup and service indicator

Charging System
  • 230V, 5 amp battery charger, enclosed in dustproof housing

Control Panel
  • EMCP 4.2B generator set mounted digital controller

Cooling System
  • Variable speed pusher fan

Distribution System
  • Separate load and control sections

  • Sound attenuating, galvanized sheet metal enclosure limits overall noise

  • Cat C15 ACERT heavy-duty diesel engine

Exhaust System
  • Integrated spark arresting silencer with flexible connectors, in separate compartment

Fuel System
  • 280 gal (1061 L) dual wall fuel tank, 11-hour runtime @ 75% prime rating, internal fuel fill

  • LC6114F frame, three-phase, random wound, 12-lead design, self-excited, 2/3 pitch

Lube System
  • On engine primary and secondary oil filters, filler and dipstick

Mounting System
  • Generator set soft mounted to the heavy-duty, fabricated steel base frame

Starting System
  • Single electric starting motor, 24V