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Underframe Rock Box For Deere Tractors
“We built a heavy-duty rock box for our Deere 4440 that mounts to the tractor frame right under the engine behind the front wheels,” says Iowa grain farmer Tim Renger.
  Tim and his father came up with the design because they had removed the old rock box that had been mounted to the front of the tractor and replaced it with an auxiliary fuel tank and a frame that holds suitcase weights. “With all the rocks we’ve got around here we really needed a place to carry them on the tractor,” says Tim.
  The Rengers made the simple and efficient rock box with scrap pieces of 1/4-in. thick sheet steel for the sides and 1/2-in. steel pipes for the bottom. Each cross-member pipe has flattened ends that are welded to the side supports. Pipes are spaced about 2 in. apart to keep rocks from sliding around, yet allow any dirt to drop out onto the ground below.
  Two pipes on each end and three pipes in the center welded to the top of the sides provide lateral support for the box. The box extends the width of the tractor from fender-to-fender behind the front wheels to just in front of operator steps that go into the cab. It’s secured to the tractor with two reinforced angle iron supports on the front and back that bolt to the tractor frame with 1/2-in. bolts.     “It’s a real sturdy box that can easily carry 500 lbs. of rocks or more,” says Tim. The box is also a handy place to haul extra jugs or pails of ingredients that go into Renger’s starter fertilizer tanks, since the tractor pulls the liquid tender to the planter.
  “We made the whole box out of scrap metal that was on the farm, so there really wasn’t any cost involved other than labor to weld it together and paint it,” says Tim. “It’s a real handy device that gets a lot of use, not just for rocks, but around the yard, too.”
  Contact: FARM SHOW Followup, Tim Renger, 1002 390th St., Bancroft, Iowa 50517 (ph 515 320-3287).


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2014 - Volume #38, Issue #4