Specifications: MD72 (HD) available from Roeder Implement, Iowa

 
MODELS MD72 MD82 MD92
Cutter Bar      
Cutting width 6 ft. 8 in. (2.03 m) 7 ft. 10 in. (2.4 m) 9 ft. 2 in. (2.8 m)
Cutting height .95-3.25 in. (24-82.5 mm) .95-3.25 in. (24-82.5 mm) .95-3.25 in. (24-82.5 mm)
Cutter bar tilt angle 0° to -10° 0° to -10° 0° to -10°
Cutter bar operating range +18° to -32° +18° to -30° +18° to -28°
Breakaway angle 19° 19° 19°
Type cutterbar Modular Modular Modular
Number of discs 5 6 7
Knives per disc 2 – reversible, swingaway 2 – reversible, swingaway 2 – reversible, swingaway
Disc cutting diameter 19.7 in. (500 mm) 19.7 in. (500 mm) 19.7 in. (500 mm)
Disc drive Bevel gears in sealed modules Bevel gears in sealed modules Bevel gears in sealed modules
Disc speed 3,000 RPM 3,000 RPM 3,000 RPM
Cutter bar shear protection Std.- Frangible splines in disc drive hub Std.- Frangible splines in disc drive hub Std.- Frangible splines in disc drive hub
Driveline      
Minimum PTO hp required
45 hp (33.5 kW) 55 hp (40.9 kW) 60 hp (44.7 kW)
Input speed 540 RPM 540 RPM 540 RPM
PTO shaft spline & size req. 6-spline/1-3/8 in. (35 mm) 6-spline/1-3/8 in. (35 mm) 6-spline/1-3/8 in. (35 mm)
Driveline protection Belt drive to cutter bar Belt drive to cutter bar Belt drive to cutter bar
Overrunning clutch On PTO shaft On PTO shaft On PTO shaft
Belt tension Spring-loaded tensioner with adjustment gauge Spring-loaded tensioner with adjustment gauge Spring-loaded tensioner with adjustment gauge
Hydraulics and Hitch      
Hydraulic circuits required One remote One remote One remote
Minimum relief pressure req. 1,500 psi (104 bar) 1,500 psi (104 bar) 1,500 psi (104 bar)
Hitch Category I Category II Category II
Dimensions and Weight      
Overall width 138.75 in. (3524 mm) 160.25 in. (4070 mm) 181.75 in. (4616 mm)
Overall length 50.5 in. (1283 mm) 50.5 in. (1283 mm) 50.5 in. (1283 mm)
Height - transport position 98 in. (2489 mm)
119.5 in. (3035 mm)
141 in. (3581 mm)
Shipping weight 1,440 lbs. (653 kg) 1,610 lbs. (730 kg) 1,750 lbs. (794 kg)
Operating weight 1,300 lbs. (590 kg) 1,460 lbs. (662 kg) 1,590 lbs. (721 kg)