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Old 12-10-2017, 11:17 AM   #11
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If you get the allison 1545 you'd have a pto.
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Old 12-10-2017, 11:20 AM   #12
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Which buses have this trans ?is it possible to power crane with gas engine and some gearbox to spin crane's hydraulic pump ?
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Old 12-10-2017, 11:43 AM   #13
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The Allison 1545 is the military equivalent of the 545 we are all so familiar with. Several people have bought the 1545 in new condition through federal surplus auctions.

That said, it would be pretty expensive to set up the PTO without using a donor vehicle.
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Old 12-10-2017, 11:51 AM   #14
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The Allison 1545 is the military equivalent of the 545 we are all so familiar with. Several people have bought the 1545 in new condition through federal surplus auctions.

That said, it would be pretty expensive to set up the PTO without using a donor vehicle.
whats the ballpark for 1545 swapping $ in shop
and make separate power source for hydraulic pump of crane ?
i found gas powered honda for 15 gallons per m which is fit crane needs of 14 gal it cost 2400
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Old 12-10-2017, 12:05 PM   #15
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The 1545 seems to go for about $500 in the auctions. I don't have any idea how much shops would charge to install it. If you're needing a pto, and you're happy with the 545 performance, this should work.
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Old 12-10-2017, 12:38 PM   #16
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robin - while you were away a member, Turf swapped one of these into his bus. we all thought it would be an easy swap for an AT-545, however the torque converter depth is different on the 1545, he had to have a special spacer ring custom made to get the trans to work in his bus. he also noted that the trans was perhaps set up for different rear gear ratios and possibly a different engine, as it shifted into high gears at very early RPMs.

while its definitely do-able, i would ratew it as an advanced swap to get in and adjusted correctly.. its more than just turning wrenches..

though there are no electronics like was involved with my transmission swap. so thats a plus.
-Christopher
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Old 12-10-2017, 01:34 PM   #17
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The 1545 seems to go for about $500 in the auctions. I don't have any idea how much shops would charge to install it. If you're needing a pto, and you're happy with the 545 performance, this should work.
i see,its easier to buy that setup with honda engine or pto gear and add it to current trans
PS. i just dont need int 4900 nor any other 2 ton trucks,they are all dead and price much more for the same condition bus.
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Old 12-10-2017, 02:06 PM   #18
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Honestly, I can't see a reason to go through all the hassle for a PTO driven pump or even a gas powered one when the electric pumps work just fine. I highly doubt we're talking the extended duty cycle of splitting logs here, just a couple minutes of use to lift something heavy into a bus.
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Old 12-10-2017, 03:02 PM   #19
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Thanks Chris, I was completely unaware of how the 1545 turned out. I just assumed it worked.

If all you're needing is hydraulic pressure to operate anything, electric would be the way to go. I have an electric lift on my small dump truck that appears to be powered by a starter. Simple to mount and no big resevour needed. A wheelchair lift would have a pump in it too, but kind of a low volume pump.
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Old 12-10-2017, 08:55 PM   #20
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Thanks Chris, I was completely unaware of how the 1545 turned out. I just assumed it worked.

If all you're needing is hydraulic pressure to operate anything, electric would be the way to go. I have an electric lift on my small dump truck that appears to be powered by a starter. Simple to mount and no big resevour needed. A wheelchair lift would have a pump in it too, but kind of a low volume pump.
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Originally Posted by Brad_SwiftFur View Post
Honestly, I can't see a reason to go through all the hassle for a PTO driven pump or even a gas powered one when the electric pumps work just fine. I highly doubt we're talking the extended duty cycle of splitting logs here, just a couple minutes of use to lift something heavy into a bus.
crane that i found says it needs 14gpm ,12v on ebay are for dump trucks,trailers.i guess ihave choice to add pto gear
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