571MMC Hydraulic Conversion Kit

Specifications:

Lifting Capacity

• Maximum Lift: 60,000 lb (27,216 kg)*
• Maximum Load: 51,000 lb (23,134 kg)*
• Maximum Working Load: 35,800 lb
  (16,239 kg)*

*@ 4 ft overhang

Boom and Blocks

• Boom Line Parts: 3
• Load Line Parts: 3
• Typical Hook Speed (HI/LOW): 70/35 ft/min (21.3/10.7 m/min)

Hydraulic System

• Directional Control Valve: 3-Section, Open center w/ manual levers
• Maximum Operating Pressure: 3,000 psi
  (207 bar)

Winches
Boom Winch

• Planetary, single speed, dual brake system
• Wire rope installed:130 ft (39.6 m)
• Max. cable capacity: 368 ft (112 m)
• Wire Rope Diameter: 3/4 in (19 mm)*

Load Winch

• Planetary, two-speed, dual brake system, Free-fall
• Wire rope installed: 140 ft (42.7 m)
• Max. cable capacity: 368 ft (112 m)
• Wire Rope Diameter: 3/4 in (19 mm)*

*Minimum breaking strength: 58,800 lb (26,672 kg)

Weights

• Total Hydraulic Conversion Kit Weight: 4,530 lb (2,055 kg)

Features

• Three lever hydraulic control system allows simultaneous control of load and boom functions. The controls are easy to operate and require minimal operator training.
• Hydraulic boom stop automatically prevents system over travel and damage to boom.
• Hydraulic Oil Cooler.
• Free-Fall function on load winch.
• Optional Tubular A-Frame boom engineered for exceptional support at maximum lift capacity and easy detachment. Various lengths available.
• Optional remote hydraulic pilot controls with multi-axis joystick.

Tractors

Caterpillar 571E
Caterpillar 571F
Caterpillar 571G