John Deere R870R Rear Mount Mower Conditioner

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  • Use front hitch for maximum productivity
  • High-speed rotary disc cutterbar for cutting in tough conditions
  • Conditioning and swath delivery
  • Windrowing solutions to match any needs


Model R870R
Recommended tractor PTO power  
Power * hp (kW) 210 (155)
Number of discs 2 x 7
Number of knives 28 2/disc)
Disc speed 2986 rpm
Bolted knives Not available
Quick Knives Change Reversible and retractable
Cutting width ft. (m) 27.2-28..5
(8.30 to 8.70)
Front/rear cutting overlap ft. (m) 1-1.6
(0.30 to 0.50)
Cutting height in. (mm) 1.37-3.35 (35 to 85)
Conditioner (Impeller)  
Tines L-shaped steel
Number of tines 2 x 80
Orbit diameter in. (mm) 21.3 (540)
Rotor speed 755 or 1000 rpm
Drive Gearbox