Highlights of 2021

  • Nine internals for a thickener plant for Roytec in Las Chispas
  • 45m thickener internals for DRD Gold

Other projects we have worked on

  • Mbombela Contract
  • NNPP Pipeline contract
  • Various mining shaft sinking projects
  • Complete rebuilds and repairs of LHD mining buckets, H-Frames and Booms
  • Floating filtration plant for dredging operations in Mozambique
  • JAEJ40 continious miner for Australia.
  • Various Roytec thickener plants and filter presses for South Africa, Zimbabwe, Botswana and South America.

Get in touch today

General and Precision Engineering

StrucMAC has an experienced, professional team on hand to provide you with the best solution for your requirements. We offer a range of fabrication, general, precision and heavy engineering services including:

  • Welding and boilermaking
  • Pipe cutting and bending
  • Product and prototype design
  • Structural fabrication
  • CNC milling, drilling and turning
  • Sandblasting as a value added service


We have experienced qualified boilermakers that are able to fabricate
complex components.

  • Pipe and cone developments
  • Tank fabrication
  • Structural fabrication
  • Complex plate work and spirals

Stress Relieving and Non Destructive Testing

StrucMAC offers stress relieving either in-house with their own vibrating stress relieving equipment or independently for heat stress relieving.

StrucMAC offer in-house ultra sonic and dye pen NDT.

On-site Line Boring

Our mobile teams are able to service and repair bores on site and without assistance for the following:

  • Basic boilermaking
  • Line boring of articulations
  • Bore welding
  • Bush and pin fitting

CNC Milling, Drilling and Turning

StrucMAC has invested in a large array of cutting edge technology and tooling for our CNC equipment. Our machinery includes:

  • Large and medium boring mills
  • Production optimised milling machines
  • Precision turning of large, medium and small components
  • Slotting

Earthmoving Repairs and Rebuilds

StrucMAC offers total rebuilds and repairs to various types of mining machinery

  • DK25 drill rig rebuilds and repairs
  • DK25 rotary power heads
  • Atlas drill rig boom parts
  • Track frame rebuids on:
    • CAT D10
    • CAT D11
    • Komatsu 375-5
    • Komatsu 375-6
    • Komatsu 475-5
    • Komatsu 475-6
  • Purpose built bearing and sleeve induction heater for track frame
    components and assembly
  • Any other earth moving equipment repairs

    Underground mining equipment rebuilds and repairs

    StrucMAC has experience in re-building and repairing a variety of underground mining equipment

    • LHD mining buckets, H-frames and booms
    • Service exchange units on LHD buckets, H-frames and booms
    • Articulation pins and bushes
    • Main frame repairs and welding

    Structural Fabrication

    StrucMAC has a state of the art automated beam line for optimised and effcient production of structural steel. Fabrications are done to customers engineering specifications.

    • NC file production
    • Fit up and welding
    • Pre and final assembly
    • Selected erection


    StrucMAC of ers service exchange units for the following:

    • DK25 Track Frames
    • CAT D10T Track Frames.
    • KOMATSU D375-5 Track Frames
    • KOMATSU D375-6 Track Frames
    • CAT 140/14 Grader Front Axels
    • CAT 140/14 Grader Blades
    • CAT 140/14 Grader Circles
    • CAT 140/14 Grader A-Frames
    • CAT 16H Grader Blades
    • CAT 14/16 Grader Blade Hanger Boxes
    • CAT 140 Grader Tandem Housings
    • CAT D10T Dozer Equalize Bar
    • KOMATSU D375 Dozer Equalize Bar
    • KOMATSU D475 Dozer Equalizer Bar
    • DK25 Rotaryheads
    • LH 208 Buckets
    • LH 208 Cradles
    • DK25 Mast
    • KOMATSU GD825 Grader Front Axle
    • KOMATSU GD825 Grader A-Frame
    • KOMATSU GD825 Grader Circle
    • KOMATSU GD825 Grader Blade Hanger Box
    • KOMATSU GD835 Grader Blades
    • GHH 4,4 & 5,1 Loader Buckets
    • GHH 4,4 & 5,1 Booms

    Sandblasting and painting

    StrucMAC offers sandblasting and painting as a value added service to our customers. Our sandblasting bay can accommodate large items, the bay is 16m wide x 30m deep x 5.4m high. This service includes:

    • Sandblast to SA 2 specification
    • General priming
    • Specialised epoxy coating for tanks
    • Two and three paint coat systems as per client specifications