John Deere 850J User Manual

Page 13

Hydraulics

850J WH WT w/Semi-U Blade / WLT w/PAT Blade / LGP w/PAT or Semi-U Blade

Load sense, piston pump
Pump (74 cc) . . . . . . . . . . . . . . . . . . . . . . . . . . 46 gpm (174 L/min.)
System Relief Pressure. . . . . . . . . . . . . . . . . . . 3,625 psi (24 993 kPa)
Differential Pressure . . . . . . . . . . . . . . . . . . . . . 275 psi (1896 kPa)
Filter, Return Oil . . . . . . . . . . . . . . . . . . . . . . . . 10 micron
Maximum Flow @ Unloaded High Idle . . . . . . . 43 gpm (163 L/min.)
Control

Outside Dozer. . . . . . . . . . . . . . . . . . . . . . . T-bar hydraulic-pilot two-function joystick
PAT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T-bar hydraulic pilot two-function joystick with push-button angle function

Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . convective oil sump

Electrical

Battery Capacity . . . . . . . . . . . . . . . . . . . . . . . . 950 CCA
Reserve Capacity . . . . . . . . . . . . . . . . . . . . . . . 190 min.
Alternator Rating (cab) . . . . . . . . . . . . . . . . . . . 80 amp
Waste-Handler Dozer Lights . . . . . . . . . . . . . 7 total: cab roof mounted (4), cab rear mounted (1), grille or lift cylinder mounted (2), and rear reflectors (2)

Undercarriage

850J WH WT w/Semi-U Blade / WLT w/PAT Blade

850J WH LGP w/PAT or Semi-U Blade

Tracks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . John Deere Dura-Trax™ features deep-heat-treated, sealed, and lubricated track links and through-hardened, sealed, and

lubricated rollers for maximum wear resistance; sprockets are segmented
WT with semi-U blade

WLT with PAT blade

LGP with PAT blade

LGP with semi-U blade

Track Gauge for WT Waste Handler. . . . . . . . . . 6 ft. 8 in. (2032 mm)

7 ft. 4 in. (2235 mm)

7 ft. 10 in. (2388 mm)

7 ft. 2 in. (2184 mm)

Grouser Width (single bar, open center) . . . 30 in. (762 mm)

30 in. (762 mm)

36 in. (914 mm)

Shoes (each side) . . . . . . . . . . . . . . . . . . . . 40

Track Rollers (single flange, each side) . . . . 7

Track Length on Ground . . . . . . . . . . . . . . . 9 ft. 1 in. (2769 mm)

10 ft. 9 in. (3284 mm)

Ground Contact Area. . . . . . . . . . . . . . . . . . 6,540 sq. in. (42 193 cm

)

7,758 sq. in. (50 052 cm

)

9,310 sq. in. (60 064 cm

)

9,310 sq. in. (60 064 cm

)

Ground Pressure. . . . . . . . . . . . . . . . . . . . . 6.83 psi (47.1 kPa)

6.11 psi (42.2 kPa)

5.15 psi (35.5 kPa)

5.16 psi (35.6 kPa)

Track Pitch . . . . . . . . . . . . . . . . . . . . . . . . . 8 in. (203 mm)

8 in. (203 mm)

Oscillation at Front Roller . . . . . . . . . . . . . . ± 4.5 in. (± 114 mm)

± 6.5 in. (± 166.5 mm)

± 6.6 in. (± 168 mm)

Serviceability

850J WH WT w/Semi-U Blade / WLT w/PAT Blade / LGP w/PAT or Semi-U Blade

Refill Capacities*

Fuel Tank with Lockable Cap . . . . . . . . . . . 98 gal. (371 L)
Cooling System with Recovery Tank . . . . . . 9.2 gal. (35 L)
Engine Oil with Filter . . . . . . . . . . . . . . . . . 7 gal. (26 L)
Transmission Reservoir with Filter . . . . . . . 27.9 gal. (106 L)
Hydrostatic Reservoir and Filter . . . . . . . . . 27.9 gal. (106 L)

*Please follow drain and refill procedures and volumes listed in the operator’s manual.

Operating Weights

850J WH WT w/Semi-U Blade / WLT w/PAT Blade

850J WH LGP w/PAT or Semi-U Blade

With Waste-Handling Package, Blade with

Trash Rack, Full Fuel Tank, and 175-lb.
(79 kg) Operator

. . . . . . . . . . . . . . . . . . . . . WT with semi-U blade

WLT with PAT blade

LGP with PAT blade

LGP with semi-U blade

With Extreme-Duty Shoes With Trape-

zoidal Holes
30 in. (762 mm) . . . . . . . . . . . . . . . . . . 44,665 lb. (20 260 kg)

47,432 lb. (21 515 kg)

36 in. (914 mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48,906 lb. (22 183 kg)

48,796 lb. (22 133 kg)

Blade With Trash Rack and Push-

Beam Weights
Including Straight End Bits . . . . . . . 7,486 lb. (3396 kg)

N/A

7,644 lb. (3467 kg)

C-Frame Assembly with Cylinder. . . N/A

7,024 lb. (3186 kg)

7,198 lb. (3265 kg)

N/A

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1300 19th Street, Suite 200

East Moline, IL 61244

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