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ARB Collective
EN/AL
Bucket-wheel excavator and spreader working an open-pit lignite face

Mining · Power · Manufacturing · Railway

Keeping heavy industry running.

We find the part. Or we make it.

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One system, end to end

From the cut to the grid.

Coal is cut, spread, carried and burned by four machines that never stop. ARB supplies wear parts, drive components and spares at every stage of that chain.

Animated blueprint of a bucket-wheel excavator cutting coal from a mine bench

The bucket wheel cuts the face and loads the boom conveyor.

What we supply here
  • Bucket teeth
  • Slew rings and pinions
  • Track links and rollers
  • Gearboxes and drive shafts
View parts
1991
Supplying parts and solutions since
200+
Projects completed
5,000+
Products supplied
10+
Heavy machines repaired
7
In the core team
40
On a big project
Sectors
MiningPower generationManufacturingRailway
Bucket-wheel excavator cutting wheel above the lignite face
The machines we keep runningMining · bucket-wheel excavator
Thermal power plant with two cooling towers at sunset
Power · thermal generation
Freight wagon standing on ballasted track in low sun
Railway · track and wagons
Catalog

What we supply

Excavator bucket teeth
Mining

Excavator bucket teeth

Track links
Mining

Track links

Gear ring segments
Mining

Gear ring segments

Gall chain pin wheel
Mining

Gall chain pin wheel

Drive pinions
Manufacturing

Drive pinions

Machined drive shaft
Manufacturing

Machined drive shaft

Rails
Railway

Rails

Conveyor belting
Conveyor

Conveyor belting

View all products
Site survey · open-pit lignite
Site survey · open-pit lignite
Capabilities

Four things, one contract

01

Equipment supply

Sourced and delivered to site, across all four sectors.

02

Spare parts

Matched to the machinery already on your site.

03

Heavy machinery repair

Overhauled and returned to operating condition.

04

Design and engineering

Reverse engineering, prototyping and production.

Reverse engineering

When the part no longer exists

Some parts went out of production decades before the machine did. We measure the worn one and have it made again.

  1. Engineer modelling a worn casting from measurements, drawing beside the 3D model
    01

    Measure

    The installed part is measured and rebuilt in CAD.

  2. Production drawing of a gall chain pin wheel with exploded assembly and parts list
    02

    Draw

    Dimensions, tolerances and materials, ready to quote.

  3. Finished gall chain pin wheel with machined teeth and painted web
    03

    Make

    Cast, machined and delivered ready to fit.

Pin wheel for gall chain · Z95, P44.45

Projects

What we have delivered

Crates of cast bucket-wheel excavator teeth loaded on a truck bed
Mining

Bucket-wheel excavator teeth

Cast from the worn tooth, crated and loaded by profile.

Row of cast excavator track pads laid out in the workshop
Mining

Excavator track pads and rollers

A full undercarriage set — pads cast, rollers turned to gauge.

Mobile crane lifting a prefabricated cabin into place on site
Supply

Prefabricated site cabins

Delivered flat, craned into place and handed over as a working camp.

Machined slew ring with cut teeth, painted and ready for dispatch
Mining

Excavator drive train

Slew ring, pinions, spur gears and coupling, supplied as one set.

Cast boiler grate bars packed in bulk bags ready for delivery
Power generation

Boiler grate bars

Cast to the worn bar, marked by heat number and bagged by size.

Pallet of cast bronze bushings, bored and faced
Spare parts

Cast bronze bushings

Bearing shells and bushings cast and bored to the running fit.

Tell us what stopped.

A part number or a photograph is enough.

Contact us