John Deere J DOZERS 850J - Manual (Page 21)

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 .