74M35A2
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- Livonia, MI
I still need to study this Peterbilt clutch linkage deal. The rest is a walk in the park. Would be awesome to row 13/18 gears.
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Derrick, I just acquired a 6 speed single countershaft manual trans, which is hooked to a Cummins 8.3L engine. It is all still together, as I got the engine also. This is a narrow trans, a pinch narrower than the original Allison MT654CR that is in our trucks. PM me if you would be interested in buying it, I am only 20 minutes from you.I have been thinking more about doing this. (if I ever get an m931a2 or m932a2)
I Know I would want either a 9 or 10 speed, but beyond that I am clueless as to what would work best. A low first gear would be great for pulling, and I would only want it to top out at 60-65mph, so at a cruising speed of 55 the engine wont be screaming.
Yes, I am a complete noob to this.
The transmission would have to fit behind an 8.3 cummins..
Im going 16spd CAT 7155 behind my 250. No clutch to worry with just air. Lots of airWho's going to be the first to throw a 10 speed in a 5 ton and document it? I found a cheap roadranger but have way too many projects as it is. One day....
Minor challenges, especially when your dealing with the complexity of a wrecker,,,,,,, Come on, all you whiners with tractors,,, you have open frame rails and can get to most everything... we have extra shafts and strange boxes and a laundry list of "Unobtainium" parts hanging under there....Challenges are clutch linkage and t-case rotation or lowering or sliding back to lower front prop shaft to clear double countershaft type transmission.
According to the parts book and UOCs, the part number for the propeller shaft assembly (TC-to-fwd rear axle) only changes depending on the wheelbase and if it was made by DANA or ROCKWELL............
........ I assume the T-case is mounted forward more in an a2 because of the shorter length of the 8.3L vs the 855?....
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