XQ125 - Diesel

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The Cat XQ125 is powered by a C 4.4 ACERT™ industrial diesel engine offering the perfect balance of durability, efficiency and low emissions. With advanced research and development techniques, the after treatment system is precisely matched to the engine ensuring performance is optimized for maximum productivity.


  • Rating Prime 100 ekW (125 kVA) 100 ekW (125 kVA)
  • Frequency 60 Hz 60 Hz
  • Voltage 120 - 480V 120 - 480V
  • Rating Standby 110 ekW (137 kVA) 110 ekW (137 kVA)


  • Engine C4.4 ACERT C4.4 ACERT
  • Fuel Diesel Diesel


  • Height - Without Trailer 73.0 in 1858.0 mm
  • Length - Without Trailer 127.0 in 3222.0 mm
  • Width - Without Trailer 49.0 in 1244.0 mm
  • Weight 5230.0 lb 2372.0 kg

Fuel Consumption Prime

  • 100% Load 60Hz Prime 7.5 gal/hr 28.4 l/hr
  • 75% Load 60Hz Prime 5.51 gal/hr 20.9 l/hr
  • 50% Load 60Hz Prime 3.8 gal/hr 14.4 l/hr

Fuel Consumption Standby

  • 100% Load 60Hz Standby 8.3 gal/hr 31.3 l/hr

Noise rating (with enclosure)

  • Sound Power @ 7 meters (23 feet) @ Prime Rating 65 dB(A) 65 dB(A)
  • Sound Power @ 7 meters (23 feet) @ Standby Rating 66 dB(A) 66 dB(A)

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 C4.4 Diesel Engine

Industry proven reliability

CAT EMCP4.2B digital controls

Easy to use digital controls

Cat LC 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

Supported by an industry leading global dealer network

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

XQ125 - Diesel Standard Equipment

CAT C4.4 Diesel Engine

  • Heavy-duty.
    After treatment.


  • LC3114F frame.

Control Panel

  • Digital EMCP4.2B 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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