XQ425 Tier 4 Final


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.

Rental ready

Robust, durable product with a range of rental ready features to meet job requirements and applications.

Fuel/Emissions Strategy

Meets U.S. EPA Tier 4 Final emission standards and CARB certified for non-road mobile applications at all 60 Hz ratings

Cat C13 Diesel Engine

Industry proven reliability

CAT EMCP 4.2 digital controls

Easy to use digital controls

Cat SR4B Series Generator

Integrated voltage regular for fast response in demanding applications

Sound Isolated Operator panel

Improved operator comfort

Cat Connect

Remote monitoring for fleet management and asset tracking

Factory designed, built and tested

Single-source Supplier

Worldwide Product Support

  • Cat dealers have over 1,800 dealer branch stores operating in 200 countries
  • Your local Cat dealer provides extensive post-sale support, including maintenance and repair agreements

500 hr oil change intervals

Reducing operating costs and producing less waste

Improved transportability

Lifting frame, 4 point lift and trailers

Power Distribution

Distribution sockets

Additional options

Synchronising controls.
Extended Service interval kits
600V generator
208V 3-phase NEMA Sockets

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
  • 24 hour 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

Additional information

Offering Type

Generator Set - Rating Prime

340 ekW (425 kVA)

Generator Set - Frequency

50/60 Hz

Generator Set - Voltage

120 – 600 V

Generator Set - Rating Standby

375 ekW (469 kVA)



Engine - Fuel


Dimensions - Height - Without Trailer

1524 mm ( 60 in )

Dimensions - Length - Without Trailer

5080 mm ( 208.7 in )

Dimensions - Width - Without Trailer

2642 mm ( 104 in )

Dimensions - Weight with Lube Oil and Coolant, Without Trailer

6667 kg ( 14700 lb )

Fuel Consumption - 100% Load 60Hz

95.7 l/hr ( 25.1 gal/hr )

Fuel Consumption - 75% Load 60Hz

73.4 l/hr ( 19.2 gal/hr )

Fuel Consumption - 50% Load 60Hz

52.3 l/hr ( 13.6 gal/hr )

Noise rating (with enclosure) - Sound Power @ 7 meters (23 feet) @ All Ratings

74 dB(A)

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