Please click on any of thes pictures to see history in real life in a larger view.
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Control Valves variable volume, feather movement to full bore with the push of a lever.
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All functions pressure reliefed for a balanced system.
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Continuous 360 degree rotation via hydraulic rotary swivel.
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Dual cylinder elevation, single stage, double acting. Power down, pressure relieved.
Infinite control.
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Choke valve on cylinders.
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Rotation-Ball bearing slewing ring. Low profile.
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Rotation drive-Large, oil bath, right angle reducer, eccentric adjustment collar for
exacting mesh to bull gear.
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Rotation motor direct coupled to gear box-Dual hydraulic relief to motor.
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Load line winch-all gears in oil, disc brake in oil, hydraulic release, spring loaded
on.
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Precise positioning and hold power.
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Load Weight is closely indicated by hydraulic pressure gauge reading.
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Motor drive direct coupled.
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Extending winch - All Gears in oil, disc brake in oil, sprag clutch overrunning while
extending.
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Motor drive direct coupled.
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Main tube, 12 Square.
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Extending tubes - Round-Models 87 & 101, 10x8x6x41/2.
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End tube with quick disconnect extending cables to increase lift capacities.
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Load line sheave on roller bearing.
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Cable end anchors by state of the art commercial hardware.
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Hydraulic auxiliary load line available as option, totally enclosed gear case and disc
brake, run in oil.
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