1970's 630 clark bobcat

[diver8718]

I'm new to this forum I got a old 1970's clark bobcat is there parts still available for this old machine the motor runs fine and the bucket and lift work. just the drive seem sluggish

 

[Tazza]

Parts are still available.
Try loader parts source for a pump, if they don't, try Bobcat.

 

[diver8718]

Parts are still available.
Try loader parts source for a pump, if they don't, try Bobcat.

thanks Tazza. now I just need to find the problem?

 

[Tazza]

thanks Tazza. now I just need to find the problem?

The only way to know for usre is to get the pump tested.
Does it loose more power after it's warmed up? The hotter the oil gets, the thinner it gets and by-passes inside the pump.