PT Tech - Gearbox for Scoops
PT Tech - Manufacturer of Industrial Clutches and Brakes
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Manufacturer of Industrial Clutches and Brakes
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Gearbox for Scoops

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Enclosed Wet Brake on Intermediate Shaft
  • Eliminates alignment and leaky seal issues
  • Allows for flow through cooling
  • Same brake regardless of gearbox ratio
  • Brake maintenance is easy
  • Excellent thermal capacity
    Increased Durability
  • Bigger shafts
  • Metalurgically stronger shaft material
  • Improved housing for greater strength and rigidity
    Retrofits Old Gearboxes
  • Same mounting footprint
  • Same ratios

    Gearboxes for scoops have been copied repeatedly. They are available from a number of sources and they suffer the same problems. Now for the first time there is a new design that addresses old problems.

    PT Tech is known in the coal industry for its limiters and enclosed brakes. Most continuous miners, shuttle cars and scoops have PT Tech products.

    In other markets PT Tech is also known for its gearboxes...some up to 1000Hp.
    PT Tech is a trusted name for its quality and customer service. As an employee owned company we are proud to introduce our first scoop gearbox.

  • Comb-Gearbox-Brake-copy

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    Gearbox for Scoop Dimensional drawing

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      Results 1 - 3 of 3 1 

    Item #

    Gear Ratio

    Parking Brake Torque

    Service Brake Torque at 1300

    Min. Parking Brake Release Pressure

    Max. Parking Brake Release Pressure

    Horsepower at 1500 RPM

    PTT-477A-0 3.35:1 3710 lb·ft 2222 lb·ft 1000 psi 1500 psi 75 hp
    PTT-477B-0 4.56:1 5050 lb·ft 3025 lb·ft 1000 psi 1500 psi 75 hp
    PTT-477C-0 5.81:1 6435 lb·ft 3855 lb·ft 1000 psi 1500 psi 75 hp
      Results 1 - 3 of 3 1