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Industries · Mobile equipment & rail

Mobile Crusher & Screener Chassis

Chassis for tracked mobile crushers, screens and stackers: box main beams, cross members, track frame mounts, hopper frames and machined pads, made to the OEM’s drawings at a fixed monthly rate. Made at Allmarc Scafform, our plant for light, precise, repeat work.

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Allmarc 3D model · to scale
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How it is built.

Scroll: the camera moves to each part in turn and ends on the exploded view. Drag to turn it round yourself.

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The chassis a mobile crusher is built on

Mobile crushers, screens and stackers are built on a welded chassis. An OEM needs the same chassis every month, to the same drawing, on time. That is what Allmarc Scafform is being set up for, with about 60% of the plant given to this repeat work.

Scroll to see how it is built · drag to turn it round

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Box main beams

Plates cut on the fibre laser and welded into box beams in a fixture, then straightened: the backbone every module bolts to.

How is it possible at Allmarc?

Used here for: Box main beams

In 2024 we were the only buyer of Deratech’s 20 kW, 12 m laser.

  • 20 kW
  • 12 x 3 m bed
  • Pallet changer
All our machinery
Hydraulic H-beam straightening in the Allmarc works

Used here for: Box main beams

  • Straightens built-up beams after welding
All our machinery

03 / 08

Cross members

Box cross members welded by robot in the same fixture every time, so each chassis matches the last.

How is it possible at Allmarc?
ABB robotic MIG welding cells in the Allmarc works

Used here for: Cross members

  • Three-phase robotic MIG
  • Automatic special-purpose welding machines
All our machinery

04 / 08

Machined where it matters

Track frame mounts and the pads under the crusher and power pack are machined flat after welding and drilled to the OEM’s pattern.

How is it possible at Allmarc?
SKDX1030 CNC end-face milling in the Allmarc works

Used here for: Machined where it matters

  • Mills beam and column ends square for bolted splices
All our machinery

Used here for: Machined where it matters

  • CNC plate drilling
All our machinery

05 / 08

Frames and lugs

The hopper frame, conveyor pivot lugs and lifting points, located by the fixture.

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Access

A maintenance walkway with handrail and ladder.

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The OEM’s machine

Tracks, crusher, hopper, power pack and conveyor are the OEM’s. We build the steel they sit on, to their drawings and forecast.

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Every part, apart

Beams, cross members, mounts, frames, pads and lugs.

Why Allmarc

Experience you can trust.

We fabricate to your drawings and prove the fit in our own bay before anything ships. Open any line for the detail.

Talk to an engineer
Heavy or delicate
  • 600 T flare chambers and 1 to 2 mm sheet metal, under one roof.
  • Each job goes to the plant built for it.
Repeat parts, identical
  • Fixtures, robots and CNC lines, so the hundredth matches the first.
  • Machined after welding where it matters.
Proven before it ships
  • Trial-assembled in the works.
  • Inspected and documented at every stage.
Scale
  • 4 plants at Kanbha; about 6,000 T a month from November 2026.
  • ISO 9001, ISO 45001, EN 1090, EN ISO 3834-3; RDSO approved.
Start a project

Have a drawing? Let us build it.

We fabricate to your design, from plate to a packed container. An engineer will tell you honestly how we would build it.

Send us a drawing