Claas Debuts New 3- To 4-Tonne Scorpion Telehandlers With Increased Lift Capacities
Claas has launched five new 3- and 4-tonne (3.4- and 4.4-U.S.-ton) class models in its Scorpion range of telehandlers. The new Scorpion 733, 1033, 638, 738, and 742 have increased lift capacities of 3.3 to 4.2 t (3.6 to 4.6 U.S. t), maximum lift heights of 6.23 to 9.75 metres (20.4 to 32 feet), and an optional tractive force upgrade in the 738 and 742. The new telehandlers also have a new cab that Claas says is more comfortable and convenient for the operator.
Improved Claas Hydraulics
The new Scorpions’ higher lift capacities stem from their greater hydraulic pressure, resulting in up to 300 kilograms (661 pounds) more lifting power. Claas extended their wheelbases by 100 millimetres (3.9 inches) to enhance the machines’ stability under load. For easier hydraulic hookups and detachments at the rear of the machine, the operator can depressurise the connections using a new pressure relief button.
New hydraulic controls for the Scorpions come with electronic pilot control, making optional Smart Loading assistance systems possible. These include an automatic bucket return feature to make repetitive loading cycles faster, an automatic bucket shake function to improve emptying, and—for the Scorpion 733, 638, 738, and 742 models—a feature to automatically retract the telescopic boom as it’s lowered.
New Scorpion Cabin
The cab Claas designed for the new Scorpions is quieter (thanks to additional sound insulation in the access door), provides better visibility, and offers more storage space for personal items.
Ergonomically, the new cab has more foot room and easier entry and exit, thanks to a new, slender steering column with adjustable angle and height. A suspended brake/inch pedal offers a larger tread surface for easier actuation. Also, a new right-hand armrest integrates the joystick into the operator's seat so that the operator can maintain their preferred arm position however they adjust the seat.
A new, more effective air conditioning system in the Scorpions’ cab offers continuously variable temperature and fan speed control, vs. its predecessor’s three fan speed settings. The lockable, partially glazed cabin door can open 180 degrees and features a quarterlight window. Another visibility enhancement is an additional LED headlight mounted on the left A-pillar. If the operator presses a “Coming Home” button, the lamp will remain on for an extra minute to illuminate the exit path from the cab.
VariPower 3 Drive Option
The new Scorpion telehandlers have a 4-cylinder Liebherr engine that produces 143 horsepower (105 kilowatts) and 550 newton-metres (406 pounds-foot) of torque. At a modest 1,600 rpm, the Scorpion’s engine maximises the hydraulic pump’s output to 160 litres (42.3 gallons) per minute.
The engine’s Dynamic Power function automatically adjusts engine speed to meet lift and loading demands, as indicated by the angle of the joystick. This improves cycle speed and efficiency.
Each new Scorpion telehandler uses a VariPower 2 hydrostatic drive, as seen in Claas’s Jaguar forage harvesters. Models 738 and 742 also have the option to use a VariPower 3 drive with approximately 20% more tractive force to the wheels. In all cases, the new Scorpions can attain a maximum speed of 40 km/h (25 mph).
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Source: Claas