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Home | Products | Mowers & Conditioners |
Disc Mowers
  • Disc Mowers
  • Pull-Type Disc Mowers
  • Disc Mower Conditioners
  • Sicklebar Mower Conditioners

5’ 6” - 9’ 2” Cutting Width

Disc Mowers

Case IH disc mowers handle tough conditions while delivering clean cutting performance, maneuverability, durability, and overall value.
  • Cutting Width

    5’ 6” - 9’ 2”

  • Cutting Height

    0.63” - 3.25”

  • Disc Speed

    Up to 3,154 RPM

  • PTO Required

    35 - 60 HP

Hitch

Quick Hitch Compatability

Quick Hitch Compatability
  • MD3 disc mowers now have quick hitch compatibility to conveniently hook up and disconnect
  • Quick hitch capability is standard.


Economy Model Features

Economy Model Features
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


Heavy-duty Model Features

  • Heavy-Duty MD73, MD83 AND MD93

    Heavy-Duty MD73, MD83 AND MD93

    • 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

    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​
    ​

  • Quick Change Knives

    Quick Change Knives

    • ​Reversible knife blades change quickly without raising the cutterbed
    • Knife bolts are located on top of the modular discs for easy access
    ​

  • Rotating Modular Knife Blades

    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

  • Smooth-profile Discs

    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 shoe. 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 ​
    ​​​

  • Maintenance

    Maintenance

    • MD73, MD83 and MD93 — engineered for ease of maintenance
    • 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
    • High-stress components are protected from debris by T-seal washers and lip seals

  • Hassle-free Transport

    Hassle-free Transport

    When in the transport position, the MD73, MD83 and MD93 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 and 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 and no shields to remove.
    • A tethered pin activates the flotation spring for cutting and is repositioned when using the parking stand

  • Warranty

    Warranty

    ​Case IH stands behind its rugged cutterbar with a 3-Year Warranty.

0.90%

for up to 36 months on Rotary Disc Mowers

Offer ends: 31 Mar 2023Disclaimer

Current Models

  • MD73 (HD)

    • 6 ft 8 in cutting width
    • 5 oval cutting discs
    • cutterbar shock protection is standard
  • MD83 (HD)

    • 7 ft 10 in cutting width
    • 6 oval cutting discs
    • Cutterbar shock protection is standard
  • MD93 (HD)

    • 9 ft 2 in cutting width
    • 7 oval cutting discs
    • Cutterbar shock protection is standard
  • MDX21 (Econ)

    • 5 ft 6 in cutting width
    • 4 oval cutting discs
    • 540-rpm PTO driveline with overrunning clutch to protect the tractor driveline
  • MDX31 (Econ)

    • 6 ft 9 in cutting width
    • 5 oval cutting discs
    • 540-rpm PTO driveline with overrunning clutch to protect the tractor driveline
  • MDX41 (Econ)

    • 7 ft 11 in cutting width
    • 6 oval cutting discs
    • 540-rpm PTO driveline with overrunning clutch to protect the tractor driveline

Brochures

  • Hay and Forage Brochure
    Hay and Forage Brochure (8.63 MB)
    Share Download
  • DC5 Series Disc Mower Conditioner
    DC5 Series Disc Mower Conditioner (7.39 MB)
    Share Download
Genuine Case IH Parts & Service

Genuine Case IH Parts & Service

Only genuine Case IH parts were made specifically for your machine and designed for peak performance. Find everything you need from filters, fluids, shop products and safety equipment, to owners manuals, parts diagrams, paint, and batteries at the Case IH parts store.

​

Visit the Case IH Parts Store Download or Order Operators Manuals

Next Steps

  • Build & Price

    Configure and price your new rotary disc mower. Customize it the way you want.

    Start Now
  • Compare Specs

    Compare our rotary disc mower specs to other manufacturers' specs.

    Compare Now
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