2006 - Volume #30, Issue #2, Page #28
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He Built The Cadillac Of Self-Propelled Augers
The gigantic, yet agile, 13-in. dia. auger is 60 ft. long and has a capacity of about 9,300 bu. per hour.
Beamish took the main tube and flighting from his existing auger and then made a frame from 4 by 8 by 3/8-in. thick wall rectangular tubing, and added a fully hydrostatic ground drive from a 915 IH combine. The steering axle is from a 7700 Deere combine.
The hydraulic pump is belt-driven off the front of the 6-cyl., 251 Chrysler industrial engine.
"I included an engagement lever so you can disengage the hydraulic pumps in cold temperatures," Beamish says. "That way, you can start just the motor without trying to turn the pumps. Once the motor is warmed up, you can engage the belt and let them warm up. It's easier on the motor."
To reverse the auger for handling seed, he takes the drive belt off and twists it. There's a clean-out door at the bottom of the auger that holds about an ice cream pail-full of grain.
The auger itself is mechanically driven from the engine, through a gearbox from an 8650 White pull-type combine. The power is transferred up a power shaft to the end, with a double-60 roller chain.
One of the most impressive features of the unit is the moveable operator's platform that originally came from the same 915 IH combine as the ground drive.
"The whole reason for the moveable platform was to make it easier for positioning the auger in at the top of the bin," Beamish says. "The platform raises up 12 ft. and forward about 8 ft. hydraulically."
Parallel lift arms for the platform are made from 6 by 8 by 1/4-in. rectangular tubing.
From the operator's platform, Beamish can maneuver the rig in any direction, as well as control the height of the auger spout. However, engaging or disengaging the auger can only be done from a control panel at ground level.
The discharge end of the auger can be lowered to the ground by raising the bottom end of the auger. The lift arms are operated by two 4 by 24-in. cylinders. The same-sized cylinders lift the operator's platform. The auger spout reaches up to 34 ft. high.
There's also a 13-ft. cylinder mounted on the underside of the bottom section of the auger. An orange golf ball increases visibility of the locking mechanism setting, which has 26 horizontal positions.
"There are seven holes for locking different auger heights. You can do your finer height adjustments using the horizontal lifting track," Beamish explains. "I have a mechanical latch system that's vacuum-released and spring-applied. It's located on the main lifting track and on the telescopic lift. The reason I used a vacuum is because, as soon as you shut the auger off, it loses its vacuum and the locks go on automatically, so you can never forget to put them on. For safety reasons, you're not relying on the hydraulic system.
"When a bin gets full, it plugs the auger and stalls the engine dead. Obviously, you have to shut the gate quite quickly, and then just move the auger to the next bin, plumb full, and carry on. It starts up without an issue," he says. "I built the drive heavy enough that it can withstand that."
Beamish's unit has seven large working lights for good nighttime visibility.
There's an all-steel hopper built onto the bottom end, and a back-up guide for trucks is an added feature. It works like sites on a gun.
"The auger can either creep, or travel up to 12 mph if need be, but all our grain storage is in our yard," he says. "It's very, very stable. You can travel at high speeds with it way up high. All of our power lines are underground so we don't need to worry about that."
Beamish spent about 500 hours building the rig and says he probably has between $10,000 and $12,000 worth of materials invested in it. Most of the structural material and hydraulics were new.
"We also move fertilizer and stoker coal with it," Beamish says
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