Willis bought the Bobcat and attachments used from his local dealer for about $11,000. Money well spent, he says. He uses it to move pallets of feed, move calf huts, and clean the barn. The green box shown in the photo above is actually a hog hauler Willis picked up at a local auction. It will hold four calves on the front of the skid steer when it comes time to move them from huts to the barn for weaning and processing. His older barn has been remodeled, and the skid steer slides perfectly down the aisles and into the pens for cleaning. Anything bigger wouldn''t fit, says Willis.Some producers cite purchase of a skid steer as their best recent management change.

THE MOTORMost hermetic compressors use induction motors cooled by either liquid or suction-gas refrigerant. Induction motors have copper windings that, when alternating current is run through them, create the magnetic fields that cause the motor to turn. These copper windings are bulky, adding size and weight to the compressor.Two-pole, 60-Hz induction motors operate at approximately 3,600 rpm. A higher number of revolutions per minute can be obtained by increasing the frequency. Compressors that require higher shaft speeds tend to use gears. While gears are a proven technology, they create noise and vibration, consume power, and require lubrication.The magnet-bearing compressor features a synchronous permanent-magnet brushless DC motor with a completely integrated variable-frequency drive (VFD). The stator windings found on conventional induction motors are replaced with a permanent-magnet rotor. Alternating current from the inverter energizes the armature windings. The stator (excitation) and rotor (armature) change places. No commutator brushes are required. The motor and key electronic components are internally refrigerant-cooled, so no special cooling is required for the VFD or the motor.

The tool features a highly advanced composite housing that combines a double injection grip with contoured styling for unmatched comfort. Conveniently located are the power regulator and reverse mechanism for easy operator adjustments. Other features include a Duopact, clutch mechanism, handle exhaust, steel clutch housing, 360 degrees air inlet swivel and sensitive throttle control. Campbell Hausfield has introduced a 1/2 inch twin hammer impact wrench to its Extreme-Duty line of air tools. Designed for professional automotive and industrial applications, the twin hammer impact wrench, model PL2502, was engineered for quick removal and replacement of fasteners, tire rotation and engine rebuilds. This tool is capable of producing the highest level of power at 425 foot-pounds of torque. It produces 1,200 impacts per minute. Other features include a 1/2 inch square drive and an all-in-one adjustable power regulator that controls speed as well as forward and reverse action. The new Craftsman impact wrench features handle exhaust that routes exhaust away from both the user and the work surface. Provides torque range from 25 to 200 ft/lbs. with maximum torque of .260 ft./lbs. in reverse. It delivers 1500 blows per minute, yet weighs only 2.5 pounds.

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