743 drive motor seals..advice

[Mikefromcny]

I was moving some dirt with the 743, working it pretty hard. The left side drive seems somewhat louder now. I havent lost any hydraulic fluid lately, but my chaincase is way overfilled. I'm a pretty competent mechanic, Just wondering a few things. Does bobcat make a "kit" to "reseal" a motor? Approx. How much will it cost to do both sides? How long would it take someone to do it? I'm trying to get an idea how long it would be down before I start in on it, as it still works okay. The machine never ran out of hydraulic oil, just got a little noisier after working it hard. Thanks for any tips or advice.

 

[Tazza]

The drive motor seals do not pump oil into the chain case. The seal in in the reduction box, the motor comes off and you will see the seal i'm talking about.
Drain the excessive fluid, run the machine and see if the oil reserve tank drops, if not, the seal is fine.
If the motor has any loss of power, it may need a seal kit too.