2000 - Volume #24, Issue #4, Page #25[ Sample Stories From This Issue | List of All Stories In This Issue | Print this story | Read this issue]
Pull-Type Chain Trencher Converted To 3-Pt.
"The big chain trencher was originally equipped with a backhoe, but that part of it had gone bad. The chain digger rides on two wheels and hitches to the back of the tractor.
What makes the tractor-powered trencher work so well is the way Davies modified the tractor to get "creeper" speeds. He bolted a hydraulic motor fitted with a small sprocket to the side of the tractor. Then he replaced the belt pulley on the side of the tractor with a large sprocket, which is chain-driven by the hydraulic motor.
To move forward at a "creep", he puts the tractor transmission in gear, locks the clutch down against the operator platform, and then activates the hydraulic motor which "reverse drives" the transmission through the belt pulley.
"It lets me go forward very slowly, up to 500 ft. per hour if I want," says Davies. "I use the rig to put in a 12,000-ft. water line on our farm. My total cost for the trencher was only about $500. It would have cost thousands to bring in a contractor."
Contact: FARM SHOW Followup, Donald Davies, Rt. 1, Box 194, Dawn, Mo. 84638 (ph 660 745-3350; fax 3360).
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