John Deere J DOZERS 850J User Manual
Page 17
Cylinders
750J / 750J LT / 750J 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
750J
750J LT
750J 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 . . . . . . . . . . . . . . . . . . . . . . . . PAT
Outside dozer
PAT
PAT
Track Gauge (standard) . . . . . . . . . . . . . . . 6 ft . 2 in . (1880 mm)
6 ft . 2 in . (1880 mm)
6 ft . 2 in . (1880 mm)
7 ft . 0 in . (2134 mm)
Grouser Width (closed center,
single bar) . . . . . . . . . . . . . . . . . . . . . 22 in . (559 mm)
22 in . (559 mm)
22 in . (559 mm)
34 in . (864 mm)
Chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . sealed and lubricated
sealed and lubricated
sealed and lubricated
sealed and lubricated
Shoes (each side) . . . . . . . . . . . . . . . . . . . 40
40
45
45
Track Rollers (single flange, each side) . . . 7
7
8
8
Track Length on Ground . . . . . . . . . . . . . . 8 ft . 6 in . (2591 mm)
8 ft . 6 in . (2591 mm)
10 ft . 1 in . (3073 mm)
10 ft . 1 in . (3073 mm)
Ground Contact Area . . . . . . . . . . . . . . . . . 4,488 sq . in .
4,488 sq . in .
5,324 sq . in . (34 348 cm
2
)
8,228 sq . in . (53 084 cm
2
)
(28 955 cm
2
)
(28 955 cm
2
)
Ground Pressure . . . . . . . . . . . . . . . . . . . . 7 .24 psi (49 .9 kPa)
7 .53 psi (51 .9 kPa)
6 .45 psi (44 .5 kPa)
4 .45 psi (30 .7 kPa)
Track Pitch . . . . . . . . . . . . . . . . . . . . . . . . 7 .5 in . (191 mm)
7 .5 in . (191 mm)
7 .5 in . (191 mm)
7 .5 in . (191 mm)
Oscillation at Front Roller . . . . . . . . . . . . . . ±4 .3 in . (±110 mm)
±4 .3 in . (±110 mm)
±5 .3 in . (±135 mm)
±5 .0 in . (±127 mm)
Serviceability
Refill Capacities
Blade Type . . . . . . . . . . . . . . . . . . . . . . . . PAT
Outside dozer
PAT
PAT
Fuel Tank with Lockable Cap . . . . . . . 98 gal . (371 L)
98 gal . (371 L)
98 gal . (371 L)
98 gal . (371 L)
Cooling System with Recovery
Tank . . . . . . . . . . . . . . . . . . . . . . 5 .7 gal . (21 .6 L)
5 .7 gal . (21 .6 L)
5 .7 gal . (21 .6 L)
5 .7 gal . (21 .6 L)
Engine Oil with Filter . . . . . . . . . . . . . . 7 .0 gal . (26 .5 L)
7 .0 gal . (26 .5 L)
7 .0 gal . (26 .5 L)
7 .0 gal . (26 .5 L)
Transmission Reservoir with Filter . . . . 28 gal . (105 .6 L)
28 gal . (105 .6 L)
27 .9 gal . (105 .6 L)
28 gal . (106 L)
Hydraulic Reservoir and Filter . . . . . . . 28 gal . (105 .6 L)
28 gal . (105 .6 L)
27 .9 gal . (105 .6 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 . . . . . . . . . . . . . . . . . . . . . . . . PAT
Outside dozer
PAT
PAT
Base Weight . . . . . . . . . . . . . . . . . . . . 32,585 lb .
33,865 lb .
34,395 lb . (15 599 kg)
36,725 lb . (16 655 kg)
(14 778 kg)
(15 358 kg)
Refer to the Attachment Guide or see your dealer for details regarding Mechanical Angle blades for the 750J LT .
Blade, C-Frame, and Push-Beam Weights
Includes straight end bits.
Blade Type . . . . . . . . . . . . . . . . . . . . . . . . PAT
Outside dozer
PAT
PAT
PAT . . . . . . . . . . . . . . . . . . . . . . . . . . . 2,066 lb . (937 kg)*
N/A
2,066 lb . (937 kg)*
2,383 lb . (1081 kg)*
Semi-U . . . . . . . . . . . . . . . . . . . . . . . . N/A
2,564 lb . (1163 kg)*
N/A
N/A
Straight . . . . . . . . . . . . . . . . . . . . . . . . N/A
N/A
N/A
N/A
Push Beam Assemblies for Straight
or Semi-U Blades (without blade) . . . . N/A
3,242 lb . (1470 kg)*
N/A
N/A
PAT Dozer C-Frame Assemblies In-
cluding Cylinder (without blade) . . . . . 2,829 lb . (1283 kg)*
N/A
2,905 lb . (1318 kg)*
2,905 lb . (1318 kg)*
*Included in SAE operating weight .
Refer to the Attachment Guide or see your dealer for details regarding Mechanical Angle blades for the 750J LT .
Blade Capacities
Blade Type . . . . . . . . . . . . . . . . . . . . . . . . PAT
Outside dozer
PAT
PAT
PAT . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 in . (3295 mm)
N/A
130 in . (3295 mm)
156 in . (3962 mm)
4 .23 cu . yd . (3 .23 m
3
)
4 .23 cu . yd . (3 .23 m
3
)
4 .98 cu . yd . (3 .81 m
3
)
Semi-U . . . . . . . . . . . . . . . . . . . . . . . . N/A
128 in . (3251 mm)
N/A
N/A
5 .58 cu . yd . (4 .27 m
3
)
Straight . . . . . . . . . . . . . . . . . . . . . . . . N/A
N/A
N/A
N/A
Refer to the Attachment Guide or see your dealer for details regarding Mechanical Angle blades for the 750J LT .