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Cylinders 850J / 850J LT / 850J WT / 850J WLT / 850J LGP
Heat-treated, chrome-plated, polished cylinder rods, hardened steel (replaceable bushings) pivot pins
Electrical
Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 volt
Battery Capacity .. . . . . . . . . . . . . . . . . . . 950 CCA
Reserve Capacity. . . . . . . . . . . . . . . . . . . . 190 min.
Alternator Rating
Cab . . . . . . . . . . . . . . . . . . . . . . . . . . 80 amp
Canopy . . . . . . . . . . . . . . . . . . . . . . . 55 amp
Lights ............................3 total: grille mounted (2) and rear mounted (1), and rear reflectors (2)
Undercarriage 850J 850J LT 850J WT 850J WLT 850J LGP
Tracks . . . . . . . . . . . . . . . . . . . . . . . . . . . track frame with front and rear track guides and sprocket guard; John Deere Dura-Trax
TM
features deep-heat-treated, sealed, and lubricated track links and through-
hardened, sealed, and lubricated rollers for maximum wear resistance; sprockets are segmented; extreme-duty shoes are available (on some models) for severe applications
Blade Type . . . . . . . . . . . . . . . . . . . . . . . . Outside dozer PAT Outside dozer PAT PAT Outside dozer
Track Gauge (standard) ...............6 ft. 2 in. (1880 mm) 6 ft. 10 in. (2083 mm) 6 ft. 8 in. (2032 mm) 7 ft. 4 in. (2235 mm) 7 ft. 10 in. 7 ft. 2 in.
(2388 mm) (2184 mm)
Grouser Width (closed center, single bar) ...24 in. (610 mm) 24 in. (610 mm) 30 in. (762 mm) 30 in. (762 mm) 36 in. (914 mm) 36 in. (914 mm)
Chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . sealed and lubricated sealed and lubricated sealed and lubricated sealed and lubricated sealed and sealed and
lubricated lubricated
Shoes (each side) .. . . . . . . . . . . . . . . . . . 40 45 40 45 45 45
Track Rollers (single flange, each side) ...7 8 7 8 8 8
Track Length on Ground . . . . . . . . . . . . . . 9 ft. 1 in. (2769 mm) 10 ft. 9 in. (3284 mm) 9 ft. 1 in. (2769 mm) 10 ft. 9 in. (3284 mm) 10 ft. 9 in. 10 ft. 9 in.
(3284 mm) (3284 mm)
Ground Contact Area .................5,232 sq. in. (33 755 cm
2
) 6,206 sq. in. (40 039 cm
2
) 6,540 sq. in. (42 193 cm
2
) 7,758 sq. in. (50 052 cm
2
) 9,310 sq. in. 9,310 sq. in.
(60 064 cm
2
) (60 064 cm
2
)
Ground Pressure ....................7.61 psi (52.5 kPa) 6.87 psi (47.4 kPa) 6.26 psi (43.2 kPa) 5.65 psi (39.0 kPa) 4.83 psi (33.3 kPa) 4.80 psi (33.1 kPa)
Track Pitch . . . . . . . . . . . . . . . . . . . . . . . . 8 in. (203 mm) 8 in. (203 mm) 8 in. (203 mm) 8 in. (203 mm) 8 in. (203 mm) 8 in. (203 mm)
Oscillation at Front Roller . . . . . . . . . . . . . ±4.5 in. (±114 mm) ±6.6 in. (±168 mm) ±4.5 in. (±114 mm) ±6.5 in. (±166.5 mm) ±6.6 in. ±6.6 in.
(±168 mm) (±168 mm)
Serviceability
Refill Capacities
Blade Type . . . . . . . . . . . . . . . . . . . . . . . . Outside dozer PAT Outside dozer PAT PAT Outside dozer
Fuel Tank with Lockable Cap .......98 gal. (371 L) 98 gal. (371 L) 98 gal. (371 L) 98 gal. (371 L) 98 gal. (371 L) 98 gal. (371 L)
Cooling System with Recovery Tank ...9.2 gal. (35 L) 9.2 gal. (35 L) 9.2 gal. (35 L) 9.2 gal. (35 L) 9.2 gal. (35 L) 9.2 gal. (35 L)
Engine Oil with Filter . . . . . . . . . . . . . 7 gal. (26 L) 7 gal. (26 L) 7 gal. (26 L) 7 gal. (26 L) 7 gal. (26 L) 7 gal. (26 L)
Transmission Reservoir with Filter ...28 gal. (106 L) 28 gal. (106 L) 28 gal. (106 L) 28 gal. (106 L) 28 gal. (106 L) 28 gal. (106 L)
Hydraulic Reservoir and Filter . . . . . . 28 gal. (106 L) 28 gal. (106 L) 28 gal. (106 L) 28 gal. (106 L) 28 gal. (106 L) 28 gal. (106 L)
Operating Weights
Base weights were computed for units with standard equipment, rollover protective structures, full fuel tanks, and 175-lb. (79 kg) operators.
Blade Type . . . . . . . . . . . . . . . . . . . . . . . . Outside dozer PAT Outside dozer PAT PAT Outside dozer
Base Weight . . . . . . . . . . . . . . . . . . . 40,165 lb. (18 220 kg) 43,015 lb. (19 510 kg) 41,285 lb. (18 725 kg) 44,225 lb. (20 060 kg) 45,375 lb. 45,075 lb.
(20 580 kg) (20 445 kg)
Refer to the Attachment Guide or see your dealer for details regarding Mechanical Angle blades for the 850J LT.
Blade, C-Frame, and Push-Beam Weights
Includes straight end bits.
Blade Type . . . . . . . . . . . . . . . . . . . . . . . . Outside dozer PAT Outside dozer PAT PAT Outside dozer
PAT . . . . . . . . . . . . . . . . . . . . . . . . . . N/A 2,758 lb. (1251 kg)* N/A 2,932 lb. (1330 kg)* 3,080 lb. N/A
(1397 kg)*
Semi-U . . . . . . . . . . . . . . . . . . . . . . . 2,923 lb. (1326 kg)* N/A 3,110 lb. (1411 kg)* N/A N/A 3,225 lb.
(1463 kg)*
Straight . . . . . . . . . . . . . . . . . . . . . . . N/A N/A N/A N/A N/A 2,846 lb.
(1291 kg)
Push Beam Assemblies for Straight or
Semi-U Blades (without blade) ......3,687 lb. (1672 kg)* N/A 3,757 lb. (1704 kg)* N/A N/A 4,196 lb.
(1903 kg)
PAT Dozer C-Frame Assemblies Includ-
ing Cylinder (without blade) ........N/A 3,631 lb. (1647 kg)* N/A 3,631 lb. (1647 kg)* 3,631 lb. N/A
(1647 kg)*
*Included in SAE operating weight.
Refer to the Attachment Guide or see your dealer for details regarding Mechanical Angle blades for the 850J LT.
Blade Capacities
Blade Type . . . . . . . . . . . . . . . . . . . . . . . . Outside dozer PAT Outside dozer PAT PAT Outside dozer
PAT . . . . . . . . . . . . . . . . . . . . . . . . . . N/A 146 in. (3708 mm) N/A 158 in. (4013 mm) 168 in. (4267 mm) N/A
5.15 cu. yd. (3.94 m
3
) 5.57 cu. yd. (4.26 m
3
) 5.87 cu. yd.
(4.49 m
3
)
Semi-U . . . . . . . . . . . . . . . . . . . . . . . 128 in. (3251 mm) N/A 140 in. (3556 mm) N/A N/A 152 in. (3861 mm)
7.29 cu. yd. (5.57 m
3
) 7.62 cu. yd. (5.82 m
3
) 7.80 cu. yd.
(5.96 m
3
)
Straight . . . . . . . . . . . . . . . . . . . . . . . N/A N/A N/A N/A N/A 154 in. (3912 mm)
5.35 cu. yd.
(4.09 m
3
)
Refer to the Attachment Guide or see your dealer for details regarding Mechanical Angle blades for the 850J LT.