camp9
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- Yooperland, Mi
Yep, for $600 it can be like a 6 pack transmission, just have a few on hand.
Camp
Camp
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The owner is correct. The CAT 3116 engine is not supposed to be run for extended periods over 2500 RPM. I never run my A3 over 45.Thinking Of Buying a M35 A3 Whats The Top Speed With The Allison Transmission , Owner Says Its About 47MPH Is This About Right Or Is There Something Wrong With The Transmission. Thanks For Any Info, Steve
meh...... It'll do 55 all day long. Put the tires up to 53psi, and just hold the pedal to the floor, you'll be fine.
Had to have been like that when you bought it. If I remember correctly, it started screwing up the second you changed the oil. No way you could have done all of that damage.Here is the ending of the story.
I took the truck to the local technical college diesel mechanics program and "donated" my truck to the student’s education. They agreed to remove and replace the transmission. They also stated that they don't do transmission work; they send them to a specialist. The transmission then went to an authorized Allison shop.
The shop found burnt fourth gear clutches, and a torn "o" ring on the piston that actuates the fourth gear clutches. We do not know what happened first, if the "o" ring failed and didn't allow full pressure on the clutches, or if the clutches burnt and the piston was overextended and tore the "o" ring upon retraction. The drive and driven plates were all badly warped and the friction plates didn't have ANY friction material left on them. The transmission has been freshened up with a new clutch pack in fourth and some seals and bushings. The rest of the transmission was in great shape and didn't need any work. It was reassembled and dyno tested, and given a 6 mo. warrantee, and hopefully they sprinkled some holy water on it too. (No offense intended)
The truck is at the tech college and should be ready to go by this weekend. (I hope). Many, Many thanks go out to the guy's at Chippewa Valley Technical College. (whom will be given gift cards)
Mine is the same way. It is VERY difficult to get into "low". Getting into high isn't that bad, but I normally just yank the **** out of it and it goes in.My A3 came from Sparta as well, same auction and low miles/hours So far so good with the Allison transmission. I guess I got lucky. I used the drain and flush method to switch to Dexron III. Dexron III made the transmission operate much smoother. My only complaint with the drive train is difficulty getting the transfer case to shift between high and low. I always have to rock the truck back and forth to be able to shift the transfer case. It is hard to put in low range. It is even harder to get back into high range.
We have a very heavy tandem axle fire truck with an Allison box. It shifts smooth as silk (or so you'd think). Normally, the truck is at max weight, all the time. I just drove it empty (completely stripped of gear, due to upgrades to the box) and without the 2500 imperial gallons of water....and the shifting was actually very noticeable. It felt like a different tranny.My problem is that this is my first experience with an Allison transmission, so I don't really know what is normal behavior.
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