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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
2013 Hyundai 110D-7E Details
2012 Miller Big Blue 400D Image
Stock Number: 231276
Make: Miller
Model: Big Blue 400D
Year: 2012
2012 Miller Big Blue 400D Details
2008 Combilift C12000SL Image
Stock Number: EQU008108
Make: Combilift
Model: C12000SL
Year: 2008
2008 Combilift C12000SL Details
 
Wolff Construction Cranes

Wolff Construction Cranes

Hydraulic truck cranes are different compared to other crane types because of the way they specifically work. Hydraulic cranes use oil instead as opposed to using a winch in order to wind up cables to provide the lifting force. Since oil is a type of fluid which retains its volume, it is incompressible. Therefore, this means it is one of the most ideal kinds of fluids for pushing pistons towards the direction the force is going to be exerted.

The pressure created by the hydraulic pump moves the piston. This particular action is maneuvered by the driver using the controls in his cab. Typically, hydraulic truck cranes make use of a pump which has 2 gears.

Since the actual crane itself is mounted on a truck, it could travel numerous distances from job to job 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 retract or extend because of hydraulics.

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

Boom Swing: Boom swings have a big roller or ball attached to the carrier. It can swing 360 degrees in both directions. Hydraulic devices control the swing and provide swings at varying speeds in order to revolve the turntable gearbox.

Outrigger: The outrigger is a unit that helps the crane maintain its balance by utilizing hydraulics to lift the truck.

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

Pump: The pump's purpose is to steer the outrigger.

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

Boom Elevation: The boom of the crane ascends with the use of double hydraulic cylinders that can be raised and lowered.

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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