2021 Gradall Aluminum Mill Maintenance Machines XL 4240 V Crawler

2021 Gradall Aluminum Mill Maintenance Machines XL 4240 V Crawler

On crawler or rubber tire undercarriages, Gradall aluminum mill maintenance machines have articulating booms with unique movements to reach through the furnace mouth to skim dross and maintain furnace walls and bottoms. Horizontally, the boom can raise 29 inches. Boom will tilt 8.1° above grade and 19° below grade.

Features may include:

• Crawler or rough terrain rubber tire undercarriage

• On crawler models, dual range high torque piston motor powers each track, along with three-stage planetary drive, integral speed limiting valve and automatic spring-set hydraulic release wet disc parking brake

• Triple grouser crawler excavator pads available in a choice of widths enhance tracking ability, with high range travel speeds up to 3.4 mph

• Tracks counter-rotate to pivot machine about the swing centerline

• Single-point lifting yoke available

• Stainless steel braided hose and fire sleeves

• Crawler tracks and foam filled or solid rubber tires are fire resistant

• Heat resistant shields protect rubber tires

• Wheeled models have oscillation lock cylinders and strong box plate construction, enabling work in any direction without outriggers

• Heavy-duty boom rollers, along with an exceptionally rugged boom

• Roller assembly can be removed for easy maintenance

• Level working height is adjustable

• Three-section non-tilting boom is cable actuated

• Internal metal hose and tube clamps

• Consistent boom force

• Rugged boom telescopes out up to 48’

• Low profile telescoping action, reaching deep into furnaces

• Full-length boom visibility during the entire working cycle

• Choose the Gradall, Deere or SAE joystick pattern using an in-cab switch

• Quiet, roomy cab and comfortable seating module, with joystick controls built into the armrests

• Internal tooth swing bearing provides smooth, stable movement

• Two electronic foot pedals with handles reposition carrier, using toggle switch on arm pod to select from two crawler speed ranges

• Excellent visibility of the boom through the entire working cycle

• Standard air conditioning

• High temperature glass

• Legendary Bosch Rexroth design and reliability

• All new, modern high-pressure hydraulic system is electronically controlled with pressure-compensated, load-sensing valves

• Combined electrical system for chassis and excavator delivers advanced, effective operation

• Heavy frame for lateral support

• Heavy boom cradle

• Crawlers have thicker grouse pads for work at the side of the carrier

• Telescoping boom design delivers full power and speed through the entire working range

• Electronic joysticks provide precise control over boom and attachment positioning