Castrol Transynd Gallon: https://amzn.to/3PLLvQh
Castrol Transynd 5Gallon Bucket: https://amzn.to/3vAmkZX

Tools used in this video:

DeWalt 1/2" Impact Gun (high torque!): https://amzn.to/3Hh4ZaA
Brass Punch Set: https://amzn.to/4aehSPN

Link to video on how to jack up a bus:    • How to Jack Up a Prevost or any bus /...  
Link to video on flushing power steering fluid:    • How to Flush the Power Steering Fluid...  

This Video Shot with a GoPro Hero 11: https://amzn.to/3GTNxsL

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In this video I document draining and refilling the fluid in the Allison B500 in my Prevost. Allison's 3000, 4000, and B500 transmissions are all very similar in how you do this, the filters are even the same! The primary difference is fluid quantities. This is an easy and important job to do, Allison makes their transmissions very serviceable.