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Thanks for all of the info and experience you have all posted on this forum, I've learned nearly everything I know about HDT Rv haulers from here. I'm up to page 95 of the 117 archived here. I have just purchased a 2000 Volvo that has a Cummins ISM mated to a Gen 1 Autoshift thats having problems. It shifts fine and engages into gear when its cold, after 10 minutes or so if it is taken out of gear it will not engage again. It didn't do it on my brief test drive, but the seller and his mechanic both describe the same problem. Seller says if truck is on slight incline and can roll just a little bit it will drop into gear, or if shifted into gear immediately after restarting the truck it will engage. My plan is to fuel the truck a few blocks away from the shop and drive it the 4hrs home without taking it out of gear. Any suggestions about what to do if i do get stuck unable to get the truck in gear on the way would be helpful. As the man said, no plan survives first contact with the enemy, lol. The sellers shop 4 hrs away where the truck is told me they contacted Eaton who told them Gen 1 was no longer supported and best course of action was to replace it with a manual. Eaton suggestion to try and fix the Autoshift was to put a harness and XY into it for about a 70% chance of resolving it. Their diagnostic computer wouldn't even recognize the transmission. He has a transmission shop in his area that said they could convert the trans to manual internally with sliders, bearings, etc. for about $300 in parts plus labor. Of course would still need a tower/shifter for the manual. I purchased it at a price reflecting a serious transmission problem, and have a friend who's been a tech at a local Peterbilt dealership for 30 years who will be fixing it. He's told me he has done 12-15 replacements of Gen1 Autoshifts with used manual transmissions due to the ongoing problems with the electronics on them. He feels throwing parts at the Gen 1 would not be a permanent fix as something else, or the same thing, is likely to break again later. He has been very clear that you cannot simply remove the harness, sensors and XY shifter and replace them with a manual tower and shifter, internal parts and clearances are different although the case and design are the same. Usually they have been OTR trucks purchased cheaply and being converted for use as vocational trucks of some sort. My tech says the other option is to replace all of the harness, TCM, XY shifter, etc. with Gen 3 parts thereby upgrading it to a Gen 3 and reprogram the ECM on the engine to be compatible with it. He feels the Gen 3 has proven to be a solid reliable system. Both options appear to be similar in cost, prob $4-6k. I have tried to read everything I can find here and on Google searches about Gen 1 Autoshifts (including that according to Eaton, they have all been field upgraded to at least Gen 1.5) and their problems, although hearing that Eaton was no longer supporting them was a surprise. Any knowledgeable advice regarding the path forward would be very appreciated. Thanks in advance for your time and consideration. Robert