Bobcat 643 and 632 same drive motors?

PA.Johansson · Jan 20, 2015

Hello! So, i had some problems with my 632 about a half year ago. The problem is still there, and currently our swedish crown is weak so i'm not able to buy new ones from loader parts source. But i found a salvage bobcat 643 in the UK. My question now is, would these drive motors fit to my 632? with my 632 i got a service manual for the 643 and it seems to be the same... but i just want to check this before i do anything. /Anton

Tazza · Jan 20, 2015

Not all models use the same drive motor. Some have a splined shaft, others have a longer shaft with a nut on the end from memory.

discountufoparts · Jan 21, 2015

Tazza said:
Not all models use the same drive motor. Some have a splined shaft, others have a longer shaft with a nut on the end from memory.

My 630 has the tapered shaft and keyway with the nut on the end. I believe the 630 and 632 are very similar.

discountufoparts · Jan 21, 2015

discountufoparts said:
My 630 has the tapered shaft and keyway with the nut on the end. I believe the 630 and 632 are very similar.

What was the problem with your drive motors?

PA.Johansson · Feb 15, 2015

discountufoparts said:
What was the problem with your drive motors?

Allright! I think the guy was asking way too much for drive motors that he didn't even know if they were working... They are pretty weak and oil is leaking into the chaincase. So my question now will be if i'll try to order these from loader parts source? http://www.loaderpartssource.com/bobcat-540-542-630-631-632-641-642-643-hydraulic-drive-motor-seal-kit-6632040-7010366.html and http://www.loaderpartssource.com/bobcat-540-542-543-630-631-632-641-642-643-hydraulic-drive-motor-tapered-shaft-6630088.html Or should i go with new ones from loader parts source? /Anton

Tazza · Feb 16, 2015

PA.Johansson said:
Allright! I think the guy was asking way too much for drive motors that he didn't even know if they were working... They are pretty weak and oil is leaking into the chaincase. So my question now will be if i'll try to order these from loader parts source? http://www.loaderpartssource.com/bobcat-540-542-630-631-632-641-642-643-hydraulic-drive-motor-seal-kit-6632040-7010366.html and http://www.loaderpartssource.com/bobcat-540-542-543-630-631-632-641-642-643-hydraulic-drive-motor-tapered-shaft-6630088.html Or should i go with new ones from loader parts source? /Anton

Before ordering anything i'd pull them apart. If it just needs Orings, they are cheap, i paid $5 per motor when i did a set last time. If the plastic backup rings are gone, you need a kit though.
Get them open, inspect the damage then go from there.

Bobcat 643 and 632 same drive motors?

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