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Add On PTO Makes 4WD's Ten Times More Useable
"I couldn't ask for it to work any better," says Bruce Klemm, Whitelaw, Wis., about the pto he added to his 1200 Case 4-WD tractor.
"The Case was a good drawbar puller, but without a pto its use was limited. I decided to try to add one. The transfer case on the tractor had an engine rpm output shaft that turned
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Add on PTO makes 4WD's ten times more useable POWER TAKE OFFS (PTO'S) Power Take Offs (PTO's) 12-2-10 "I couldn't ask for it to work any better," says Bruce Klemm, Whitelaw, Wis., about the pto he added to his 1200 Case 4-WD tractor.
"The Case was a good drawbar puller, but without a pto its use was limited. I decided to try to add one. The transfer case on the tractor had an engine rpm output shaft that turned at engine rotation. Since my machinery is all 540 rpm driven, I wanted 540 pto on the tractor.
"After searching through many tractor publications and spec books, it became apparent that the pto assemblies from Oliver 77's and 88's would be ideal. The Oliver engine ran at 1,700 to 1,800 rpm's. The pto unit is self-contained and flat-surface mounted. It has its own clutch assembly, oil bath gearbox and it reverses rotation so the output at rated engine rpm is 540.
"I pulled a complete pto unit from a salvage tractor. I cut the long input shaft off so only 6 in. were left protruding. I had a machine shop cut two woodruff key slots in the protruding shaft. I then mounted a pillow block bearing on the unit to support the cut-off shaft. I fabricated an adaptor plate to fit the Case tractor and then drilled it so the Oliver pto would bolt to the plate. After bolting the unit in place, it was only necessary to have a local machine shop make up a driveshaft to go from the engine rpm output of the transfer case to the input shaft of the pto unit.
"Because the 1200 Case tractor runs at 1,900 rpm, the pto unit does not have to run much faster than the speed it was designed for. However, because it was designed for only 75 hp., I make a point of never over-taxing the unit.
"I've used the pto for two years with no problems. It makes the tractor 10 times more useable."
Contact FARM SHOW Followup, Bruce Klemm, 9008 Meier Rd., Whitelaw, Wis. 54247 (ph 414 732-4592).
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