Product Image
Product Image
Product Image

Hydraulic Breakers

JTHB-G

JTHB

  • Komatsu carriers PC78 - PC490
  • Machine class (st) 6.1 - 55.1
  • Machine class (t) 5.5 - 50.0
  • Operating weight (kg) 410.0 - 3,600.0
  • Operating weight (lbs.) 904.0 - 7,936.6

Purchase options

Request a quote Find a dealer

A simple, powerful hydraulic breaker designed for reliability

Get the benefits of power, durability and simplicity with a hydraulic and nitrogen gas breaker that uses non-accumulator technology, resulting in fewer parts and lower maintenance costs. These breakers are easy to service and provide a high level of reliability.

  • Nitrogen-type
  • Straightforward, powerful
  • Outstanding reliability

Features and benefits

Ease of maintenance

Ease of maintenance

Low refurbishment costs with a simpler design: only two moving parts and no rubber bladder accumulator. High-quality components add exceptional reliability.

Full compatibility

Full compatibility

Get the benefit of versatility with breakers designed to fit any size excavator, including all Komatsu excavators and a wide variety of other makes.

Less vibration

Less vibration

Maximize operator ergonomics with a shock-dampening box bracket on the JTHB-G models and suspensions with rubber/poly components on the JMHB-H and -V models, which absorb impact and reduce vibrations through the boom.

Komatsu construction

Tips for increasing hydraulic breaker life

Keeping your hydraulic breaker in optimal condition can increase performance and optimize your operation. Learn Komatsu's top tips for maintenance and use to help increase your breaker life.

Video Thumbnail

Related products