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Call 1300 767 040

Engine and Cylinder head sales: 1300 360 110

Heavy duty machining throughout Australia

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For over 50 years HM GEM engines has been the industry leaders in supplying fully Reconditioned Engines and Cylinder Heads to the Australian automotive industry

With more than five decades’ experience in working with engines, HM GEM Engines are the experts when it comes to repair and reconditioning. Distributing throughout Australia, we provide professional engine reconditioning and cylinder block machining services, as well as crankshaft/ camshaft and cylinder head servicing.
As the industry leader in supplying fully reconditioned engines and cylinder heads to the Australian automotive industry, we guarantee excellent service on all jobs. We’re also top of the line when it comes to supplying machining services to clients in the automotive, agricultural, earthmoving, marine, mining, power generation, and transport industries.
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Machining services

For over 50 years HM GEM Engines have been providing the Automotive, Earthmoving, Industrial, Marine, Power Generation and Truck repair industries with an unsurpassed machining service. 

 We have forged a reputation in the Heavy Duty Diesel engine machining industry as the market leaders. As a result we have built a rapport with many of the Original Equipment Manufacturers (O.E.M) including, Caterpillar, Cummins, MTU Detroits, Komatsu, Mack, Scania and Volvo. 

 With Australia's most experienced operators utilising the latest in engine machining technology we can offer a cost effective service, this coupled with quick job turnaround times and components machined to O.E.M tolerances in a quality endorsed environment guarantees your fleet will be maintained to the highest possible standards.  Whether your needs are for individual component machining, balancing or engine assembly, HM GEM have the facilities, experience and capacity to professionally satisfy your needs

Reconditioned engines & cylinder heads


Committed to providing the best possible service and products to our customers, the team at HM GEM Engines has invested a lot of time and effort into creating our state-of-the-art remanufacturing plant.

Based in Dandenong, Victoria, we’re now the largest reconditioned engine and cylinder head supplier in the region. We uphold exceptional standards to ensure the best results for our customers.

Having established ourselves early on as an innovative company that is dedicated to researching the latest developments and technology within our industry, we’re always looking at new ways to improve our services.

We combine precision machining and assembly with premium-quality engine components that are all made in Australia. 

As a result, we’ve built up a reputation for consistently producing engines of exceptional quality and high-performance, which are all reasonably priced. What’s more, we offer our customers an outstanding nationwide warranty, which often exceeds the warranty on new vehicles.

Whether you drive a passenger car, SUV (4WDs) or commercial vehicle, if you want a top-quality reconditioned engine, then we’re the best choice.

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Call us today on 1300 767 040 for more information about our heavy duty machining!