Clark BD121 DifferentialWe’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!

Heavy Duty Transaxle has a large inventory or New, Used, and Obsolete Clark Parts.

View the current Heavy Duty Transaxle Clark Flyer

Recent Clark project

Our technical team just completed a rebuild of Clark Axles, BD91000 for one of HD Transaxle’s largest clients. Take a look at our most recent Clark builds.

Heavy Duty Transaxle can also supply parts for Clark-Hurth

Clark-Hurth is a supplier of parts, transmissions, axles and powertrains. Heavy Duty Transaxle can supply you with the right Clark-Hurth parts to get your equipment back up and running. Contact Heavy Duty Transaxle today for assistance with your Clark-Hurth Axles, Clark-Hurth Transmission, Clark-Hurth parts and Clark-Hurth powertrain.

Clark Axle 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 BD-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

Clark Axle Models

BD45-60 BD71000
BD50-60 BD91000
BD5700 BD10100
D65200 BD12100

Clark Axle Specifications

Clark Spec 001

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