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W4R

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W4R

AxleTech’s latest wet disc brake model, the W4R, is engineered to fit the PRC7545/7534, PRC3806, and PRLC1794 axle models. The W4R wet disc brake is an upgrade from the W4H model as it provides significantly higher brake torque at lower actuation pressure, which is ideal for high torque and heavy load capacities. Representative applications include empty container handlers, tow tractors, log loaders, and log skidders.

Features and benefits

  • Increased piston area: 19% more piston area increases braking torque by 3% when compared to W4H
  • Reduced actuation pressure from 150 bar to 130 bar (2,200 psi to 1,886 psi)
  • Unhanded cover allows for the brake to be fitted on both the left and right side of the axle for reduced complexity when servicing
  • Direct replacement: same mounting interface and service components as W4H for direct replacement of current brakes on existing axles
Especificações técnicas
  • Brake diameter
  • 17 in (432 mm)
  • Maximum number of friction plates
  • 8
  • Nominal torque
  • 1,062,089 Lbf·in (120 kN·m)
  • Maximum actuation pressure
  • 1,886 PSI (130 bar)
  • Minimum wheel size
  • 24 in (610 mm)
  • GAWR range
  • 245,000 lbs (111 T)