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M939 series winch PTO hydraulic pump and drive adapted to M809/M939 series winch to a M809 series 5 ton.
Not an 809, rather my M54A1. The Mack engine has a gear drive hydraulic pump, mounted inline with the Bosch injection pump on the driver's side. Bearing, Belt & Chain in Phoenix had what I needed. Rocks in the chain? I don't think that will ever happen with it, and if it did I'd just nudge...- G744
- Post #11
- Forum: 5-ton and up
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M939 series winch PTO hydraulic pump and drive adapted to M809/M939 series winch to a M809 series 5 ton.
I used the existing steering pump with electric valves so they could control the winch from inside and outside. Not the optimum GPM, but it worked fine with a little throttle pulled out. DG- G744
- Post #4
- Forum: 5-ton and up
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M939 series winch PTO hydraulic pump and drive adapted to M809/M939 series winch to a M809 series 5 ton.
The front crossmember will be in the way of the hydraulic motor on the winch. Much easier to fab a flat steel plate with holes to mount the motor below the winch, driven with two sprockets and Browning chain. Sorry, I didn't take any pix when I did this mod. On the 800-series, if the winch...- G744
- Post #2
- Forum: 5-ton and up