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2018 Skyjack SJ1056 Image
Stock Number: EQC012374
Make: Skyjack
Model: SJ1056
Year: 2018
2018 Skyjack SJ1056 Details
2015 Terex CTT 121A-5 TS16 Image
Stock Number: 600017
Make: Terex
Model: CTT 121A-5 TS16
Year: 2015
2015 Terex CTT 121A-5 TS16 Details
2007 Potain HDT80 Image
Stock Number: 600194
Make: Potain
Model: HDT80
Year: 2007
2007 Potain HDT80 Details
2013 Hyundai 110D-7E Image
Stock Number: EQU010604
Make: Hyundai
Model: 110D-7E
Year: 2013
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2012 Miller Big Blue 400D Image
Stock Number: 231276
Make: Miller
Model: Big Blue 400D
Year: 2012
2012 Miller Big Blue 400D Details
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Stock Number: EQU008108
Make: Combilift
Model: C12000SL
Year: 2008
2008 Combilift C12000SL Details
Wolff Construction Cranes

Wolff Construction Cranes

Because of the way they specifically operate, hydraulic truck cranes are different from other crane models. Instead of utilizing a winch in order to wind up cables to provide the lifting force, hydraulic cranes use oil instead. Because oil is a fluid that retains its volume, it is incompressible. Therefore, this means it is among the most ideal kinds of fluids for pushing pistons towards the direction the force is going to be exerted.

The hydraulic pump generates a pressure that moves the piston. This action is maneuvered by the driver from the controls in his cab. Normally, hydraulic truck cranes make use of a 2 gear pump.

As the actual crane itself is mounted on a truck, it could travel numerous distances from site to site and there is little dismantling involved. The truck crane has one engine that controls both the crane and the truck.

Other Parts
Boom Telescope: The boom telescope allows the boom to extend or retract because of hydraulics.

Jib: The jib is a latticed structure that extends from the boom.

Boom Swing: The boom swing is a large ball or roller that is attached to the carrier. It could swing 360 degrees in both directions. Hydraulic mechanisms provide swings at varying speeds and control the swing in order to rotate the turntable gearbox.

Outrigger: Outriggers are units that cranes would utilize to maintain its balance. It uses hydraulics to lift the truck.

Load Movement Indicator: In order to alert the operator that maximum weight is approaching, the load movement indicator's lights flash.

Pump: The pump is the device responsible for steering the outrigger.

Steel Cables: The steel cables are reinforced and run through the jib and the boom. They are able to generate up to 6350 kg or 14,000 lbs.

Boom Elevation: The crane's boom ascends with the use of double hydraulic cylinders that are capable of being lowered and raised.

Rotex Gear: The rotex gear is operated by hydraulics and located beneath the cab. It enables the boom to swivel on this gear.

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