Who we are

For the last two decades we have been designing & developing winning race trucks

We are happy to welcome you to Geiser Brothers.  You’ll find some interesting information about us.  We design and fabricate championship winning off-road race cars and trucks.


  • Pretty welds are pointless if the truck can’t win

    - Jeff Geiser -

RPM | 2015 Baja 1000

RPM OFF ROAD 2015 SCORE Unlimited Trophy Truck Points Champion of the Year!

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DA | Heidi Steele

In this new episode we share a visit with the queen of the Desert Assassins herself Heidi Steele. She…

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Champion | Apdaly Lopez

The first Mexican national racer to claim the title, youth was served in an unprecedented way as RPM Racing’s…

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RPM | SCORE Season in Review

The 2015 SCORE World Desert Championship has been one amazing season for Clyde Stacy and RPM Off-Road. The successes…

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DA | Now on BFGoodrich Tires

Desert Assasins’ husdand and wife team of Cameron and Heidi Steele make the switch to BFGoodrich tires for the…

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Rob MacCachren has done it again – he is the 2015 Bud Light SCORE Baja 1000 Champion, making it…

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Contact us

Don't hesitate to get in touch with us
We are here to make it happen for you.

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Feel free top stop by

We welcome all of our friends.
Please keep your visits brief,
we have lots of work to do.

Geiser Brothers

2250 W. Desert Cove Ave
Phoenix, AZ 85029

(602) 944-4333





We source the highest quality parts and tools for our builds.