JMHB 660H-1 Komatsu JMHB 660H-1 Specifications & Technical Data (2021—2026)

Weight: 4848kg – No. of Blows: 6101/min – Carrying device: 45-80t – Tool Ø: 190mm – Oil flow: 380l/min – Operating pressure: 185bar

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Technical specs - JMHB 660H-1 Komatsu

Specification

Notice: Every data listed is verified by LECTURA Specs team experts. However, incomplete data and mistakes might occur. Contact our team with any change suggestion.

Weight
4848 kg
No. of Blows
610 1/min
Carrying device
45-80 t
Tool Ø
190 mm
Oil flow
380 l/min
Operating pressure
185 bar
Model series
JMHB

More technical details, like: impact energy, total length are available in the full technical specs.

Basic model without chisel and without adapter for excavator

Special equipment

Central lubrication
No
silenced
No
Subaqueous equipment
No
Quick hitch mech.
No

Download datasheets (PDF)

Events

Visit Komatsu live at

NordBau 2026

Holstenhallen Neumünster, Germany

September
NordBau 2026

Machine inspection

Ask for inspection of your Komatsu JMHB 660H-1 from experts

Machine inspection

Mevas is an international operating inspection service for used heavy machinery. Construction machinery inspectors are available in more than 20 countries.

Use this service to minimise the risk when buying used equipment. An inspection by Mevas costs less than repairing a defective hydraulic cylinder.

Provided by: Mevas — The Heavy Equipment Inspectors

Spare parts & Components

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Spare parts

Do your lookup for high quality parts for Komatsu JMHB 660H-1 online!
With a few, easy steps, you will find generic and genuine parts and replacements in well-catalogued lists. Wether you are dealer or an owner, LECTURA can lead you to the right direction.
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Transport

Hydraulic Breakers Transport & Shipping Services

In case you want a transport for your machine, apply our services. Look for the most appropriate transport quotes for Hydraulic Breakers created on transport dimensions and weights. Our partners provide large-scale options to satisfy your requirements.

Data provided by Lectura logo

News

Construction News by LECTURA 30.06.2026