JMHB 45H-1 Komatsu JMHB 45H-1 Specifications & Technical Data (2021—2026)

Weight: 225kg – No. of Blows: 13101/min – Carrying device: 2.2-5.3t – Tool Ø: 65mm – Oil flow: 65l/min – Operating pressure: 120bar

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Technical specs - JMHB 45H-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
225 kg
No. of Blows
1310 1/min
Carrying device
2.2-5.3 t
Tool Ø
65 mm
Oil flow
65 l/min
Operating pressure
120 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 45H-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

Buy & Rent

Compare Komatsu JMHB 45H-1 with similar Hydraulic Breakers

Komatsu JMHB 45H-1

Komatsu JMHB 45H-1

Weight:
225 kg
No. of Blows:
1310 1/min
Carrying device:
2.2-5.3 t
Tool Ø:
65 mm
NPK PH-1

NPK PH-1

Weight:
192 kg
No. of Blows:
1100 1/min
Carrying device:
2-3.5 t
Tool Ø:
57 mm
Case CH-2M

Case CH-2M

Weight:
250 kg
No. of Blows:
1150 1/min
Tool Ø:
51 mm

Spare parts & Components

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Spare parts

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Transport

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News

Construction News by LECTURA 06.07.2026

Home Care without Concerns

Home Care without Concerns

Our team successfully contributed to the transport and installation of a complete care annex. Together with our client Houtiva, we had one clear goal in mind: to fully take the burden off the end customer.