Heavy Automatics specialises in Allison Transmissions. As Australia’s premier distributor, we carry more Allison stock than anyone in the country, and are never out of parts. Nobody knows Allison better.

Application Engineering

At Heavy Automatics, our Application Engineering team work with OEM’s and customers to ensure that the design, integration, and installation of the Allison Transmission into new and used vehicles meets with Allison guidelines for both On-Highway and Off-Highway vocations.

Allison 2000 Series

1000/2000 Series: Light commercial vehicles

The 1000/2000 Series of Allison Transmissions are designed for light commercial vehicles.

These transmissions have:

  • Up to 6 speeds
  • 2 overdrives
  • Choice of wide or close ratio gearing
  • Optional neutral lock-up
  • 5th Generation, advanced electronic controls
  • Power take-off (PTO)

Not sure which transmission you need? Contact our knowledgable team for guidance.

Download 1000/2000 Series Specifications

Allison 3000 Series

3000 Series: Medium-duty commercial vehicles

The 3000 Series Allison Transmissions are designed to be fuel efficient in a range of applications, making them highly adaptable.

  • Up to 6 speeds
  • 2 overdrives
  • Choice of close- or wide-ratio gearing
  • Optional integral output retarder for better braking & brake wear
  • Maximum rating of 450 HP (336 kW)
  • 5th Generation, advanced electronic controls
  • Power take-off (PTO)

Not sure which transmission you need? Contact our knowledgable team for guidance.

Download 3000 Series Specifications

Allison 4000 Series

4000 Series: Light commercial vehicles

The 4000 Series Allison Transmissions are designed for high performance, fuel-efficient vehicle operation.

These transmissions have:

  • Up to 7 speeds
  • 2 overdrives
  • Second reverse gear
  • Choice of close- or wide-ratio gearing
  • Optional Power Take-Off (PTO) provisions
  • Optional integral output retarder for better braking & brake wear
  • Maximum rating of 800 HP (597 kW)
  • 5th Generation, advanced electronic controls

Not sure which transmission you need? Contact our knowledgable team for guidance.

Download 4000 Series Specifications

Off-Highway Series

Off-Highway Series: Off-road vehicles

Spare Parts

Need spare parts? Need them quick?

With over $5 million dollars’ worth of new Transmission and Spare Parts inventory, an initial fill rate of 97%, and weekly air freight orders, we know your downtime will be minimised.

No matter what your needs, we can help. Call now or send a product enquiry.