MANUFACTURER John Deere
MODEL 850J
DATE OF SPECIFICATION May-07
ENGINE
     Manufacturer/Model John Deere / 6090HT
     Net Horsepower @ Rated rpm 185 (138) @ 1800
     # Cylinders and Displacement cu in. (L) 6 - 549 (9.0)
     Maximum Torque lb ft Not published
TRANSMISSION
     Type Hydrostatic w/direct drive
     Speed Ranges Infinite
          Forward 6.3 (10.1)
          Reverse 6.3 (10.1)
FINAL DRIVES Double reduction w/ planetary
STEERING Dual-path HS w/ctr rotation
HYDRAULIC SYSTEM
     Pump Type Piston
     Pump flow gpm (L/min.) 46 (174)
     System Pressure psi (kPa) 3625 (24980)
UNDERCARRIAGE
     Track Gauge in.(mm) 74" (1880)
     Length of Track on Ground in. (mm) 109" (2770)
     Std. Grouser in. (mm) 24" (610)
     Ground Contact Area sq in. (cm²) 5,232 (33760)
     Ground Pressure psi (kPa) 7.61 (52.4)
     No. of Track Rollers 7
     Track Pitch in. (mm) 8" (200)
     Track Shoes each side 40
     Track Oscillation in. (mm) 9" (230)
DOZER
     Blade Width in. (mm) 128" (3250)
     Blade Height in. (mm) 56" (1420)
     SAE Blade Capacity cu yd (m³) 7.29 (5.58)
     Blade Lift Height in. (mm) 45.3" (1150)
     Digging Depth in. (mm) 23.6" (599)
     Blade width at Full Angle in. (mm) 128" (3250)
     Blade Tilt in. (mm) 29.6" (752)
DIMENSIONS
     Height w/ROPS in. (mm) 127.6" (3240)
     Length w/Dozer in. (mm) 212" (5380)
     Ground Clearance in. (mm) 16.1" (409)
CAPACITIES
     Fuel Tank gal (L) 98 (371)
     Hydraulic Reservoir gal (L) 28 (106.0)
SAE OPERATING WEIGHT LB (KG) 40,165 (18219)
Specifications are based on published information at the time of publication. Specifications are subject to change without notice.