Stoltz Sales & Service Ltd.

Case IH - Model MD and MDX Series - Rotary Disc Mowers


Case IH MD and MDX Series rotary disc mowers swiftly handle tough conditions while delivering clean cutting performance, maneuverability, durability and overall value. Three heavy-duty and three economy models are available.

Heavy-Duty MD72, MD82 and MD92

  • Cutterbar shock protection standard
  • Handles most any crop condition, from wet field to downed crops
  • Built with heat-treated components to stand up to extreme conditions
  • Uses a close-coupled design for maximum ride stability, especially in tight turns

Modular Cutterbar

  • Results in superior crop flow that reduces streaking
  • Ensures quick mowing
  • Heavy-duty frame and rugged canopy use a cantilevered design for smooth crop flow across cutterbar

Smooth-Profile Discs

  • Lift crop into the cutting zone for plug-free mowing
    • Provides a consistent swath for more even drying
  • Each disc is 3/16-in. (4.8-mm)-thick and heat treated to resist damage
  • Discs are shielded by 1/4-in. (6.4-mm)-thick by 8-in. (203-mm)-wide skid shoes
    • The shape of skid shoes work with the tilt of the cutterbar to provide a wide range of mowing heights
  • The gearbox oil in modular cutting discs performs up to 200 hours between changes

Rotating Modular Knife Blades

A rotating modular knife blade provides thorough and uniform crop cutting.

  • Each disc houses two knife blades
  • Blades rotate at 3,000 rpm
  • Disc hardware is specially designed and treated for extreme durability to resist abrasive conditions

Independent, sealed and self-contained modules resist damage.

  • Short, independent splined driveshaft sections link modules
  • Shafts are made from alloy steel with roll-formed splines for strength and are hardened for added durability


MD72, MD82 and MD92 — engineered for ease of maintenance

  • Reversible knife blades change quickly without raising the cutterbed
  • Knife bolts are located on top of the modular discs for easy access
  • Discs can be in any position when performing maintenance
  • If an object is struck during operation, a spring-loaded cutterbed breakaway latch releases
    • Greasable, sintered bushings ensure the cutterbar releases fully when the breakaway latch is activated
  • A heavy-duty, puncture-resistant curtain provides protection for operator and bystanders
  • A polyester-vinyl curtain tilts the crop forward for better flow across the cutterbar
  • High-stress components are protected from debris by T-seal washers and lip seals

Hassle-Free Transport

When in the transport position, the MD72, MD82 and MD92 become compact packages with ride stability and plenty of ground clearance. 

  • The cutterbar transport lock automatically engages for a secure hold
  • The cutterbar is spring-balanced from end to end
    • Allows the mower to glide over uneven terrain smoothly
    • Can be adjusted for all conditions
  • The V-belt tension spring has an easily visible indicator for quick inspection of belt tension
    • Changing belt tension is convenient with single-point adjustment
    • No shields to remove
  • A tethered pin activates the flotation spring for cutting and is repositioned when using the parking stand

MDX Series economy disc mowers are available in three widths, from 5 ft. 6 in.–7 ft. 11 in. (1,676–2,413 mm).

Features include:

  • Two high-quality, reversible knives per disc on four, five or six oval cutting discs
  • Rock guards and skid shoes to protect discs and carry the cutterbar over uneven ground
  • An enclosed gear-driven cutterbar that provides years of reliable service
  • A 540-rpm PTO driveline with overrunning clutch to protect the tractor driveline
  • Adjustable flotation springs for changing cutterbar ground pressure
  • An articulation joint that allows mowers to operate above and below horizontal
  • A spring-loaded breakaway latch that protects the cutterbar
  • A single-acting hydraulic cylinder that easily lifts the cutterbar after each pass
  • 3-point hitch mounting

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