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North American Construction Group

One of North America’s largest fleet of haul trucks, shovels and mining equipment includes the biggest trucks, excavators and hydraulic shovels anywhere. We offer unrivalled earthworks experience in hard rock and oil sands mining, overburden removal, site development and reclamation.

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Head Office & Shop

27287 - 100 Avenue Acheson, Alberta, Canada T7X 6H8

Phone: 1 (780) 960-7171

Fax: 1 (780) 969-5599

Mackellar Group

Welcome to MacKellar Group, a leading heavy equipment solutions provider operating in Australia since 1966.

At MacKellar we provide heavy earthmoving equipment solutions for tough and uncompromising environments, and we maintain a proud history working on both mining and civil earthwork projects around Australia.

We invite you to discover more about our business, it’s founder Alastair MacKellar, and the family values that underpin our operations and strong partnership approach.

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Head Office

Queensland, Australia Nambour, Queensland 4560

Western Plant Hire

Western Plant Hire is a solution focused plant hire and fully maintained fleet provider, structured to be flexible and intent on meeting clients changing needs. Western Plant Hire prides itself on delivering modern, reliable, high quality equipment and support to our clients.

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Head Office

52 Dooley Street, Naval Base Western Australia 6165

The Game-Changing Caterpillar 980XE Loader!

AUGUST 6, 2025
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DGI Trading

Effective mining
component solutions

Global leaders in the sourcing, recycling and remarketing of late model OEM mining machinery and components.

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Head Office

52 Dooley Street, Naval Base Western Australia 6165

Hitachi EX3600-6 Main Frame Reconditioning

Location: Australia, The Americas Timeframe: 1 month
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ML Northern Services

We work on the forefront of innovation and technology to take products from an idea all the way to the end consumer.

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Head Office

414 – 248A Grosbeak Way Fort McMurray, AB T9K 0V8

Phone: +1 (780) 804-7810

Preventative Maintenance

Western Star 4900 XD OffRoad

AVAILABLE FOR RENTAL
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NUNA GROUP

Building Beyond Boundaries

Nuna is Canada’s largest, majority Inuit-owned contract mining, heavy civil construction, earthworks and remediation site contractor. We don’t follow trails. We go further to find a better way.

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Head Office

52 Dooley Street, Naval Base Western Australia 6165

Kitikmeot Region of Nunavut

Back River Gold Project

Commenced: 2022 | Client: B2Gold Corp.
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Our Story

1952

Alastair Mackellar commenced an apprenticeship at the Adelaide Motors Company – Caterpillar division

Our History

1966

Purchased first road train operating Adelaide to Darwin

1968

Tennant Creek mining and civil construction

1974

Darwin civil construction Darwin speedway

1975

Darwin Cyclone Tracey clean up

Dysart civil construction road and Airport construction

1976

Norwich Park – civil construction Peak Downs tailings dam

1980

German Creek trial pit

1984

Southport bar construction

Our History
Our History

1989

Boonal JV – Initial mine development and box cut operations. To date: Boonal Stockpile management, coal product and train load out facility

Our History
Our History
Our History
Our History

1994

Located to Blackwater

Our History
Our History

2006

Norton Gold Fields (Paddington Gold Mine, WA) – Mining services

2011

Peabody Energy (Coppabella Mine) – Dry Hire Agreement

2012

Yarrabee Coal (Yarrabee Coal Mine) – Dry Hire Agreement

Wesfarmers (Curragh Coal Mine) – Mining services (Operation of Rejects Circuit and coal mining)

2013

Glencore (Collinsville Coal Mine) – Wet Hire including maintenance (lasted 1 year)

Middlemount – Dry Hire and Maintenance Contract (ongoing partnership)

Our History
Our History

2014

Jellinbah (Jellinbah Mine Site) – Wet Hire of Equipment

Our History
Our History

2017

Nexus Delivery (Toowoomba Second Range Crossing)

Batchfire (Callide Coal) – Full Mining Services Contract (lasted 5 years)

Our History
Our History
Our History
Our History

2019

Sojitz (Minerva Mine) – Mining services

Bravus (Carmichael Coal Mine) – Mining Services

Purchased Nambour council depot head office and component rebuild area.

Our History
Our History
Our History

2020

Middlemount JV (Middlemount Coal) – Fully maintained dry hire (Current contract)

Glencore (Collinsville Coal Mine) – Dry Hire (lasted 5 years)

Batchfire (Callide Coal) – Dry Hire with Maintenance

Qcoal Company (Cook Colliery) – Maintained dry hire

Relocated Nambour Head Office for Mackellar Group

Golding Contractors  (Blackwater Mine) – Maintained hire

Anglo (Dawson Mine) – Maintained Dry Hire (of Liebherr Dump Trucks)

Our History
Our History
Our History
Our History
Our History
Our History

2022

Western Plant Hire – Supply mining equipment WA region

Our History

2023

North American Construction Group acquires MacKellar Group

Coronado (Curragh Coal Mine) – Fully maintained Dry Hire Agreement

Our History
Our History
Our History

2024

Golding Contractors (Baralaba North Mine) – Maintained dry hire

Aeris Resources (Murrawombie Copper Mine) – Mining Services

Our History
Our History

2026

2026 – Aeris Resources (Constellation Project)

Our History

MacKellar continues to expand and grow in the Australian market, committed to the same values and to continue delivering results by ensuring the highest quality equipment and service.