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Clark Axles

Built to Spec. Built to Last.

Clark Planetary Tandem Axles

We've got the Clark Planetary tandem axles you can't find anywhere else. Heavy Duty Transaxle specializes in rebuilt Clark differentials.

Clark tandem axles with anti-friction bearings in the wheel ends are capable of up to 45 mph operation. They can handle up to 500,000 lbs GCW, which is highly suitable for logging applications. With a carrying capacity of up to 120,000 lbs they are ideal for coal haulers as well.

Did you know we offer full rebuild services for Clark axles as well? Contact us today to schedule an appointment!

Recent Clark project

Our technical team just completed rebuilding four sets of BD-121000, six sets of BD-71000, and two FDS axles for one of HD Transaxle's largest clients. The project was huge success!

Clark BD-121000 and BD-71000 rebuild project

Clark Axle slideshow

Nobody knows Clark like Heavy Duty Transaxle. See for yourself.


Features

  • Air Brakes
  • Doweled side-gear washer
  • 4-pinion differentials with replaceable pinion thrust washers
  • Dual wheel hubs
  • Replaceable axle shaft thrust washers
  • Needle-roller bearings on planetary gear
  • Spiral bevel ring gear
  • Splash-action lubrication: Lubrication plus gravity feed of lube to pinion and input shaft bearings
  • Replaceable sun-gearthrust washer
  • Limited-slip, needle roller differential in DB-121000
  • Available Options

  • Drive-through shaft on drop-gear carrier
  • Inter-axle differential on BD-57000 through BD-101000
  • Hubs for single-disc wheels
  • Upper torque rod brackets
  • Specifications

    Series Carrying Capacity LBS (KG) Available Ratio Available Track Range IN (MM) Min. Rim (Dual) Size Air Brake Size Diff and Carr Ring Gear Dia IN (MM) Planetary Gear Ratio
    BD45-60 Tandem 50,000 (22,680) 9.14 to 22.35 72 to 98.5
    (1,828.8 to 2,502)
    20 16.5 x 7
    (419.1 x 177.8)
    13.875
    (352.4)
    3,529
    GCW 155,000
    (70,310)
    BD50-60 Tandem 50,000
    (22,680)
    9.14 to 22.35 73.62 to 100.12
    (1,870 to 2,543)
    20 16.5 x 7
    (419.1 x 177.8)
    13.875
    (352.4)
    3529
    GCW 150,000
    (68,040)
    74.12 to 100.62 (1,882.6 to 2,555.7) 24 20 x 7 (508.0 x 177.8)
    BD-57000 Tandem 60,000 (27,220) 8.67 to 21.76 90.12 and 100.12 (2,289.0 and 2,543.0) 20 16.5 x 7 (419.1 x 177.8) 16.375 (416.0) 3,529
    GCW 175000 (79,380) 90.62 and 100.62 (2,301.7 and 2,555.7) 24 20 x 7 (508.0 x 177.8)
    D-65200 Tandem 60,000 (27,220) 8.67 to 21.76 80.12 to 100.12 (2,035.0 to 2,543.0) 20 16.5 x 7 (419.1 x 177.8) 16.375 (416.0) 3,529
    GCW 175,000 (79,380) 80.62 to 100.62 (2,047.7 to 2,555.7) 24 20 x 7 (508.0 x 177.8)
    BD-71000 Tandem 80,000 (36,290) 9.00 to 22.60 80.62 to 109.88 (2,047.7 to 2,791.0) 24 20 x 7 (508.0 x 177.8) 16.375 (416.0) 3,666
    GCW 250,000 (113,400)
    BD-91000 Tandem 100,000 (45,360) 9.00 to 22.60 86 to 111 (2,184.4 to 2,819.4) 24 20 x 7 (508.0 x 177.8) 16.375 (416.0) 3,666
    GCW 250,000 (113,400)
    BD-101000 Tandem 100,000 (45,360) 11.46 to 28.77 92 to 117 (2,336.8 to 2,971.8) 25 20 x 7 (508.0 x 177.8) 16.375 (416.0) 4,666
    GCW 300,000 (136,080)
    BD-121000 Tandem 120,000 (54,430) 12.31 to 15.27 106 (2,692.4) 25 20 x 7 (508.0 x 177.8) 18.50 (470.0) 4,666
    GCW 500,000 (226,800)
    Note: Ratings may vary with application. Approval for all applications must be obtained.
    Contact Heavy Duty Transaxle