Sounds like a plan.

Did you consider making the truck air over hydraulic brakes and then the air trailer brake is simpler to do? You'd then what an engine driven compressor though, you may still want one with the current plan.

Grigg


•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-