Welcome to the home of the Hoosier State Tractor Pullers Association (HSTPA)

We are a member of the National Tractor Pullers Association & a founding Member State in 1969.
We provide family friendly, safe and professional ran Truck and Tractor Pulling shows in Indiana.

Updates

Rollcage Mounting

Question:

Hey Richwine,
I’m new to NTPA and I can’t find the rollcage mounting spec anywhere in the rulebook. I have a D-21 and need to mount an AccuFeed cage to it. Where is it and what do I need to do?

Answer:

The Rollcage spec is a SFI 47.1, that’s all that’s listed in the book. The mounting to a OEM chassis is as follows:

Mounting must use at least 3 axle housing bolts on each side as well as 1 bolt before and after the axle housing. There bolts must be in sheer (horizontal ) with a total of 2 9/16” bolt material. 
mounting cage

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