Welcome to Pony Pack

1984-Present                           From 1984                                                To Present

In 1984, the Pony Pack was the only auxiliary power unit available for the over the road trucking industry.  Over the years many other APU’s and generator sets have come and gone, but the Pony Pack still stands today as the most efficient and dependable APU available.

Today’s Pony Pack is the best option available for

  • reduced emissions
  • driver comfort
  • fuel savings
  • extended truck engine life
  • overall reduced operating costs.

Click on any of the links to the left to learn more about the most dependable auxiliary power unit available.

Pony Pack-APU's by Rex logo 

The Pony Pack is protected by one or more of the following patents:

US patent # 4,756,359

US patent # 7,814,964 B2

Canadian patent # 591858

Japanese patent # 2,103,234

European patent # 0267960


We would love to hear from you.  Feel free to share your thoughts about your Pony Pack.  Also let us know if you have any suggestions.  After all, customer feedback is what drives further improvements.

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