Request information on a D8 2U

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EddyG

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I have located a D8 S/N 2U21927 with cable dozer. The questions are; what year might it be, and is it worth fixing up? The engine was running when parked 6 years ago, but the bucket has blown off the exhaust. The pony is inop (not sure why). The reverse transmission skips out of gear in reverse. The left brake is inop (linkage problem). Water pump leaks.

It is located in BFE (the middle of nowhere) but accessible. The waterpump and pony don't bother me much; but the transmission and remote location are off putting.

Any suggestions?

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Tue, Oct 1, 2013 9:31 PM

Old Magnet

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That's a 1953 model near end of production at 23,537.
Shifter problem may be due to a shift rail detent issue or lock out mechanism problem.

Is the main engine free?
What's the condition of the undercarriage?

Unless things are in good condition , the value is probably little more than scrap. Parts are still around but can easily turn into a money pit.

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Tue, Oct 1, 2013 10:36 PM

English Al

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According to my book D8 2U21927 was built in 1953 (2u19728-2u23537)
regarding the other problems - brake and jumping out gear it could be down to adjustments or
interlock trouble. You would have to give more details to solve problem 👍

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Tue, Oct 1, 2013 10:49 PM

English Al

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Reply to English Al:

According to my book D8 2U21927 was built in 1953 (2u19728-2u23537)
regarding the other problems - brake and jumping out gear it could be down to adjustments or
interlock trouble. You would have to give more details to solve problem 👍

Sorry OM you must have just beat me to it😆😆 Al

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Tue, Oct 1, 2013 10:53 PM

old-iron-habit

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Reply to Old Magnet:

That's a 1953 model near end of production at 23,537.
Shifter problem may be due to a shift rail detent issue or lock out mechanism problem.

Is the main engine free?
What's the condition of the undercarriage?

Unless things are in good condition , the value is probably little more than scrap. Parts are still around but can easily turn into a money pit.

The detent works by a spring loaded pin that locks into the shift shafts when the clutch is engaged. I just installed a new fork and shift rail on my 2U D8. The detent on mine looked like it had been ground long trying to compensate for a bent shift fork. Found the parts by doing a parts search on Machinery Trader. Came up with a dozen or so around the country. I paid $265.00 for new old stock ones hanging on a rebuilders shelf. Not a hard job to pull off the shifter housing and then the shift fork system. The shifter housing is a bit heavy. I used a come-along off the canopy. Check the end of the forward reverser gears. Might have to touch them with a Dremel tool to take burrs of if it had been coming out of gear under load. I did that and it shifts like a new one now. Make sure the detents are not stuck in the unlock position so they do not lock when the clutch is engaged. Is there a way to pull start the old girl to see how she runs?

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Tue, Oct 1, 2013 11:06 PM

ccjersey

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On an old tractor, there will frequently be enough slop in the pivots and linkages of the clutch and transmission interlock that the lock can come loose as the main clutch lever flops around or someone habitually keeps their hand on it and has it ready to disengage quickly. Anyway, the lock should not release until the clutch actually pops out.

I went through this on a D6, was sure the transmission had to be disassembled and new gears put in, but folks on here told me to check the interlock and they were right.

D2-5J's, D6-9U's, D318 and D333 power units, 12E-99E grader, 922B & 944A wheel loaders, D330C generator set, DW20 water tanker and a bunch of Jersey cows to take care of in my spare time😄

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Wed, Oct 2, 2013 1:15 AM

EddyG

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Reply to ccjersey:

On an old tractor, there will frequently be enough slop in the pivots and linkages of the clutch and transmission interlock that the lock can come loose as the main clutch lever flops around or someone habitually keeps their hand on it and has it ready to disengage quickly. Anyway, the lock should not release until the clutch actually pops out.

I went through this on a D6, was sure the transmission had to be disassembled and new gears put in, but folks on here told me to check the interlock and they were right.

Thank you for the information. I will be doing some more research on the undercarriage and the condition of the engine.

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Tue, Oct 8, 2013 6:59 PM

Tim Matthews

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Reply to EddyG:

Thank you for the information. I will be doing some more research on the undercarriage and the condition of the engine.

Are you going to buy it ? My 2u is a 53 also , same recipe.

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Wed, Oct 9, 2013 8:17 AM

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