Find machine modifications

The marketplace for new specialised machines

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Widened undercarriage

Undercarriage & mobility modifications

Adjustable, telescopic, or extendable undercarriage and variable gauge systems to improve machine maneuverability and stability on-site.

Telescopic Arm with a Milling Head

Tunneling & underground construction

Heavy-duty machinery, cabs, and safety systems for soft ground, confined, and mining-related underground construction, including emission-free solutions.

Hydraulic yarder in forest

Forestry & logging specialties

Equipment and attachments for challenging forestry and steep slope logging works, focusing on remote operation and enhanced stability.

Hydraulic & Powertrain Modifications

Hydraulic & powertrain modifications

Dual drive, electric, hydraulic quick couplers and power modification kits for increased efficiency, reduced emissions, or multi-power operation.

A long reach excavator

Long reach & deep excavation

Machinery and attachments designed for extended reach, deep digging, river cleaning, and underwater works, used in civil and environmental projects.

A wheeled excavator with rail road wheels

Railway & road-rail solutions

Construction equipment designed for road and rail operation, with rail guide attachments or convertible undercarriages for multiple transportation modes.

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Compare your options side by side and choose the one that fits best.

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Our providers

We partner with industry leaders in machine modification and custom builds

Justr connects construction equipment buyers to a unique global network of machine modifiers, and providers of specialised construction equipment.

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