1959 Ford 881 S.O.S diesel troubles

CGA55

Member
This message is a reply to an archived post by Glenn Bork on July 31, 2011 at 19:42:46.
The original subject was "Re: What has happened?".

Hey guys, never used a forum before, so not sure how to post yet. Anyways, I just bought an 881, driving it to the farm it did great, 28 miles without any trouble except it never got into 10th gear. Then, 300 yards before the gate on a pave it finally went into 10th nd abruptly died, skidded at the end and now won't start, go into neutral, and when trying to pull it, R/H rear wheel wants to turn in reverse, opposite the L/H wheel!? I've got the 3 set manual ordered, assume the S-O-S cable let-go, safety featute shut fuel off, and rear end pin sheared. Of course I have no clue. Any ideas or experience with this sort of scenario? I'd appreciate any input, especially if there's anyway to get her into a neutral condition so I can tow her home without damaging her any more...

Thanks,

Charlie Pea of Ridge Arkansas
 
If I remember right there is a disengagement lever on the left side about where your heel would be if your sitting on it. You remove a bolt there and then move the short lever to disengage the transmission from the rear end. One should never try to move an SOS tractor with out disengaging that lever. By the way posting this in the Ford forum down lower
 
The S-O-S transmission goes to park when the engine is not running.

The traction disconnect is on the left side inspection cover near the footboard. Your manual will instruct you as to how to disengage the driveline.

DO NOT attempt to remove the transmission top cover or disassemble the shifter until you have read and understood the procedures for doing so in a proper S-O-S service manual. Doing so can result in very expensive damage.

Dean
 
Wheels turning opposite is normal for a differential axle.

The differential input/pinion shaft is being held in place by the transmission, so the wheels will usually skid. However, if one wheel has less traction than the other, it will spin backwards while the other one rolls forwards.
 
Does the PTO work? If not it could be that you chewed up the splines on the Torque Limiting clutch. One way to be sure is to check the oil pressures out of the SOS, the manuals will show you how. The TLC drives the front pump and with no oil pressure the transmission is in Park.

There is a lever that disengages the final drive. On later models it is on the right side about where your heel is. You may have to rock the tractor back and forth to disengage but that is the only to move the tractor.
 

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