BearKiller
Silver Member
- Joined
- Aug 27, 2009
- Messages
- 230
Hi.
Tractor is a 1972 Mitsubishi R2500 2-cylinder diesel.
It has a previous-owner installed front-end loader that has a belt-driven pump.
The 4-bolt mounting bolt-pattern is 2-inches square.
The top pressure fitting that connects to the control-valves is 3/8-NPT.
The bottom low-pressure fitting that connects to the bottom of the reservoir is 1/2-NPT.
The shaft on the existing pump is a very short 7/16 diameter,
The existing 7/16-bore V-belt pulley has wallowed out it's bore and is un-usable; alas, I have searched in vain for a 7/16-bore replacement.
As I can't find a 7/16-bore V-belt drive-pulley to fit my existing pump, I am considering buying a new pump that has a more common shaft-diameter, such as 1/2 or 5/8.
When I looked at the pump selection at Surplus Center, I was overwhelmed at my ignorance about hydraulic pumps.
They list them by cubic-inch ??whatever?? and there are hundreds of choices.
Then there are two-stage, single-stage, and many other options.
Can someone enlighten me as to what I need ??
I ??think?? the one I have is ContraryClockWise, as it faces the opposite direction to the engine.
Thanks.
Tractor is a 1972 Mitsubishi R2500 2-cylinder diesel.
It has a previous-owner installed front-end loader that has a belt-driven pump.
The 4-bolt mounting bolt-pattern is 2-inches square.
The top pressure fitting that connects to the control-valves is 3/8-NPT.
The bottom low-pressure fitting that connects to the bottom of the reservoir is 1/2-NPT.
The shaft on the existing pump is a very short 7/16 diameter,
The existing 7/16-bore V-belt pulley has wallowed out it's bore and is un-usable; alas, I have searched in vain for a 7/16-bore replacement.
As I can't find a 7/16-bore V-belt drive-pulley to fit my existing pump, I am considering buying a new pump that has a more common shaft-diameter, such as 1/2 or 5/8.
When I looked at the pump selection at Surplus Center, I was overwhelmed at my ignorance about hydraulic pumps.
They list them by cubic-inch ??whatever?? and there are hundreds of choices.
Then there are two-stage, single-stage, and many other options.
Can someone enlighten me as to what I need ??
I ??think?? the one I have is ContraryClockWise, as it faces the opposite direction to the engine.
Thanks.