Hupp overdrive oil leak

Standas · Mar 12, 2019

Has anyone removed a hupp overdrive transmission? I have a leak where the hupp mounts to the transmission wall. Not clear on do I get to four mounting bolts from the bell housing side or the transmission side? Anybody that has done it before advice would be appreciated.

Kirk-NJ · Mar 13, 2019

Nose cone off four allen head bolts inside case. I posted a link for you on FB since that don't allow posting from that forum here.

Bruce(OR) · Mar 15, 2019

Hupp had two options on the combo. One with the 15 MPH top speed had the rear bolts behind the rear gear that required rotating the rear gear
to line up notches to remove the 5/16 Allen head bolts.
The second style with the 25 MPH top speed does not require rotating the rear gear to get those bolts out.

Standas · Mar 16, 2019

Thanks I have the kind that you have to turn the gears so you can get to the Allen head. One of the Allen heads was broken off witch explains the leaking. Unfortunately after I got the next one loose I can no longer turn that back gear so I got to get figured out.

Hupp overdrive oil leak

Standas

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Kirk-NJ

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Bruce(OR)

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Standas

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