XQ425 340 kW (425 kVA)

Mobile Generator Sets XQ425 Tier 4 Final

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Key Specs

Rating Prime
340 ekW (425 kVA)
340 ekW (425 kVA)
50/60 Hz
50/60 Hz
120 - 600V
120 - 600V


425 kVA Mobile Diesel Generator Set

The Cat® XQ425 provides world class performance and enhanced usability. This model is powered by the fuel-efficient Cat C13 Tier 4 Final engine compliant equipped with the Cat NOx Reduction System. Equipped with the new EMCP 4.4 control panel, the XQ425 features a user-friendly interface and automatic generator set paralleling. A principle advantage of the control system offers simpler and faster voltage changes. Providing greater flexibility when moving between multiple job sites with differing frequency and voltage needs, the auto-configuration capability eliminates the time required when reprogramming units and potential errors. Additional features include lower noise levels and improved part load fuel consumption.


Environmentally friendly 110% spill containment of all engine fluids

Minimizes possibility for environmental damage on site

Integral 520 gal (1970 L) double wall fuel tank

Maximizes run time between fuel fills

Solar powered battery maintainer

Ensures generator set is always ready to start

Product Specifications for XQ425 Tier 4 Final

Rating Prime 340 ekW (425 kVA) 340 ekW (425 kVA)
Frequency 50/60 Hz 50/60 Hz
Voltage 120 - 600V 120 - 600V
Rating Standby 375 ekW (469 kVA) 375 ekW (469 kVA)
Engine C13 C13
Fuel Diesel Diesel
Height - Without Trailer 60 in 1524 mm
Length - Without Trailer 208.7 in 5080 mm
Width - Without Trailer 104 in 2642 mm
Weight with Lube Oil and Coolant, Without Trailer 14700 lb 6667 kg
100% Load 60Hz 23.1 gal/hr 88 l/hr
75% Load 60Hz 17.7 gal/hr 67.9 l/hr
50% Load 60Hz 12.7 gal/hr 48.6 l/hr
100% Load 60Hz 25.1 gal/hr 95.7 l/hr
75% Load 60Hz 19.2 gal/hr 73.4 l/hr
50% Load 60Hz 13.6 gal/hr 52.3 l/hr
Sound Power @ 7 meters (23 feet) @ All Ratings 74 dB(A) 74 dB(A)

XQ425 Tier 4 Final Standard Equipment

CAT C13 Diesel Engine

  • Heavy-duty.
    After treatment.


  • SR4B - 450 frame.

Control Panel

  • Digital EMCP4.2 set mounted controller.

Cat Connect remote monitoring

  • Provides package monitoring and management.

Cooling System

  • Package mounted radiator with vertical air discharge.
    Filled from factory.

Charging / Starting System

  • 12V heavy duty starting motor and charging alternator c/w battery isolator.

Fuel System

  • 24hr dual wall fuel tank with 3 way directional valve for external supply.

Air Filter

  • Cyclonic/paper with dust cup and service indicator.


  • Single, robust enclosure for controls and distribution c/w 4 pole circuit breaker and safety cut off.


  • Heavy Duty steel base frame with integral fuel tank.
    Lifting frame and 4 point lift.
    Base frame is wider than enclosure to protect generator set during transportation.


  • Sound attenuating, galvanised steel enclosure with exceptional noise reduction performance.


  • Integrated spark arresting silencer.

Lube Oil

  • On engine primary and secondary oil filters. Filled from factory.


  • Factory tested and inspected.

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