Milling cutter throwing a plume of orange sparks off a large cast sheave wheel on a CNC bed in the ABC workshop

Heavy engineering — Mackay, QLD

Largest machine shop north of Brisbane.

We rebuild the machines that move mountains — in the workshop and on your site, 24/7.

9,000 Workshop under one roof
150t Dual-crane lift under hook
5.5m Gear cutting diameter
600t Jacking presses

Capabilities

One building. Every trade the rebuild needs.

Fabrication, slew bearings, induction hardening, machining, fitting and painting — with engineering across all of it. Work moves between departments without leaving the floor, so we repair all in house, 24/7.

Welder working beneath a jacked dragline tub on site, arc light glowing against the machinery
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Fabrication & welding

Workpieces to 150 t · ABClad hard-surfacing
Large-diameter slew bearing ring mounted in a blue rotator frame in the workshop yard
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Slew bearings

Rebuilt and warranted from 30% of replacement cost
Induction hardening pass glowing molten orange along a grooved winder drum
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Induction hardening

To 60 HRC at 3–15 mm depth
Mirror-finished sheave wheel on a vertical borer table, blue machining swarf scattered across the bed
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Machining

CNC floor borer — 13 m travel, 150 t workpieces
Overhauled gear train with two large herringbone gears and machined pinion shafts on a fitting stand
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Fitting

Gear-case overhaul to OEM spec · presses to 600 t
Freshly coated dragline sheave wheel in red protective paint, chained on stands in the blast and paint bay
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Painting & coatings

Abrasive blast + protective coatings to marine spec
Crane lowering the red propel gear case onto the Marion 8750 dragline high above an open-cut pit, riggers watching from the machine deck

Selected project

Marion 8750 — walking arm, returned to service.

A dragline walking arm refurbished and put back to work — the propel gear case changed out in situ, on the machine, in the Bowen Basin.

In-situ change-out · Bowen Basin

We service

Komatsu Liebherr O&K Caterpillar Hitachi Marion Bucyrus

Slew bearings, draglines and shovels across the major OEM fleets — manufacture, refurbishment and repair.

Mobile crane hoisting a structural component above a dragline house during a shutdown, photographed from the machine deck
Dragline structural lift — shutdown works, Central Queensland

Industries

From pit to port.

Heavy engineering, field services and equipment across the Bowen Basin and Central Queensland — in our workshop and on your site.

  • 01MiningDraglines, shovels, excavators and drill rigs — shutdowns, breakdowns, rebuilds
  • 02CivilStructural fabrication, machining and site crews
  • 03PortsOn- and offshore repairs, marine-spec coatings, heavy lift
  • 04SugarMill shutdowns and breakdowns across the Mackay region
  • 05AgricultureManufacture, repair and maintenance of heavy ag equipment
  • 06PowerOutage shutdowns, relief operators, breakdown response

Assurance

Certified, warranted, on call.

  • Quality system ISO 9001 — reissue in progress. Detailed QA packages issued with all work completed.
  • Bearing alliance Worldwide Slew Bearing Alliance with BMT — a global bearing-rebuild network.
  • Safety record Five years LTI-free on monthly maintenance and mini-shutdowns at Coppabella.
  • Availability Repaired all in house, 24/7 — workshop and field crews on the same number, day or night.
Tradesman in hi-vis recording QA measurements against a large machined flange on the workshop floor
QA measurement on a machined flange — Paget workshop

The real thing. Built and rebuilt in Mackay.

Tell us the job — we'll tell you the envelope. One number reaches the workshop and the field crews, day or night.

35 Commercial Avenue, Paget QLD 4740 PO Box 5988, Mackay MC

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