XQ125 Tier 4 Final

XQ125 Rental Power

With a robust, rental-ready construction, the 100 kW (125 kVA) XQ125 generator is designed to be easily transported around project sites safely and efficiently.


The Cat XQ125 is powered by a C 4.4 Tier 4 Final compliant 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.Electric Power

Rating Prime

100 ekW (125 kVA)


60 Hz


120 - 600 V

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

XQCP 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

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
  • Specs
  • Docs

Standard Equipment

  • CAT C4.4 Diesel Engine
    • Heavy-duty.
      After treatment
  • Generator
    • LC3114F Frame
  • Control Panel
    • XQCP dgital 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
  • Distribution
    • Single, robust enclosure for controls and distribution c/w 4 pole circuit breaker and safety cut off
  • Structure
    • 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
  • Enclosure
    • Sound attenuating, galvanised steel enclosure with exceptional noise reduction performance
  • Exhaust
    • Integrated spark arresting silencer
  • Lube Oil
    • On engine primary and secondary oil filters. Filled from factory
  • General
    • Factory tested and inspected



Long Name:
XQ125 Rental Power
XQ125 Tier 4 Final

Generator Set

Rating Prime
100 ekW (125 kVA)
60 Hz
120 - 600 V
Rating Standby
110 ekW (137 kVA)


Cat C4.4


Height - Without Trailer
73 in / 1858 mm
Length - Without Trailer
127 in / 3222 mm
Width - Without Trailer
49 in / 1244 mm
Weight with Lube Oil and Coolant, Without Trailer
5230 lb / 2372 kg

Fuel Consumption

100% Load 60Hz
7.5 gal/hr / 28.4 l/hr
75% Load 60Hz
5.51 gal/hr / 20.9 l/hr
50% Load 60Hz
3.8 gal/hr / 14.4 l/hr
100% Load 60Hz
8.3 gal/hr / 31.3 l/hr

Noise rating (with enclosure)

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