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Case IH MDX31 (Econ) Rotary Disc Mower
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MDX31 (Econ) Rotary Disc Mower

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Rotary Disc Mowers MDX31 (Econ) Rotary Disc Mower
Overview:
MDX31 rotary disc mower has an 6 ft 9 in cutting width, 5 oval cutting discs and a 540-rpm PTO driveline with overrunning clutch to protect the tractor driveline.
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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
Specifications
Model | MDX31 |
CUTTERBAR | |
Cutting width | 6 ft. 9 in. (2057 mm) |
Cutting height | .63-2.36 in. (16-60 mm) |
Cutter Bar tilt angle | 1° to -8° |
Cutter bar operating range | +18° to -30° |
Breakaway angle | 21° |
Type cutterbar | Enclosed gear drive |
Number of discs | 5 |
Knives per discs | 2 - reversible, swingaway |
Disc cutting diameter | 20.47 in. (520 mm) |
Disc drive | Spur gear drive in common sump |
Disc speed | 3,154 RPM |
Cutterbar shear protection | None |
DRIVELINE | |
Minimum PTO hp required | 40 hp (29.8 kW) |
Input speed | 540 RPM |
PTO shaft spline & size req. | 6-spline/1-3/8 in. (35 mm) |
Driveline protection | Belt drive to cutter bar |
Overrunning clutch | On PTO shaft |
Belt tension | Adjustable drawbolt - 0.75 in. deflection |
HYDRAULICS AND HITCH | |
Hydraulic circuits required | One remote |
Minimum relief pressure req. | 2,320 psi (160 bar) |
Hitch | Category I or II |
DIMENSIONS AND WEIGHT | |
Overall width | 149.21 in. (3790 mm) |
Overall Length | 54.33 in. (1380 mm) |
Height - transport position | 107.48 in. (2730 mm) |
Shipping weight | 1,016 lb. (461 kg) |
Operating weight | 905 lb. (411 kg) |
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