John Deere 850J Dozer Specs
 
Engine 850J 850J LT 850J WT 850J WLT 850J LGP
Manufacture and Model John Deere PowerTech Plus 6090HT
Non-Road Emissions Standard certified to EPA Tier 3  emissions
Cylinders 6
Displacement 550 cu. in. (9 L)
Net Peak Power (ISO9249) 185 hp (137 kW)
@ 1,800 rpm		 185 hp (137 kW)
@ 1,800 rpm		 185 hp (137 kW)
@ 1,800 rpm		 185 hp (137 kW)
@ 1,800 rpm		 200 hp (152 kW)
@ 1,800 rpm
Net Peak Torque (ISO9249) 611 ft lb (828 Nm)
@ 1,500 rpm		 611 ft lb (828 Nm)
@ 1,500 rpm		 611 ft lb (828 Nm)
@ 1,500 rpm		 611 ft lb (828 Nm)
@ 1,500 rpm		 675 ft lb (915 Nm)
@ 1,500 rpm
Aspiration turbocharger and air-to-air aftercooler
Air Cleaner dual-stage dry type with tangential unloader

 

Transmission  
Travel Speeds 6.3 mph (10.1 km/h)

 

Capacities  
Fuel Tank 98 gal. (371 L)
Cooling System with Recovery Tank 9.2 gal. (35 L)
Engine Oil with Filter 7 gal. (26.5 L)
Transmission Reservoir with Filter 28 gal (105.6 L)
Hydraulic Reservoir and Filter 28 gal. (105.6 L)

 

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 features deep-heat-treated, sealed, and lubricated track links and through-hardened, sealed, and lubricated rollers for maximum wear resistance; sprockets are segmented
Blade Type Outside Dozer PAT Outside Dozer PAT PAT
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
(2388 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)
Chain sealed and lubricated
Shoes (each side) 40 45 40 45 45
Track Rollers (single flange, each side) 7 8 7 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
(3284 mm)
Ground Contact Area 5,232 sq. in.
(33 755 cm2)		 6,206 sq. in.
(40 039 cm2)		 6,540 sq. in.
(42 193 cm2)		 7,758 sq. in.
(50 052 cm2)		 9,310 sq. in.
(60 064 cm2)
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)
Track Pitch 8 in (203 mm) 8 in (203 mm) 8 in (203 mm) 8 in (203 mm) 8 in (203 mm)

 

Operating Weights 850J 850J LT 850J WT 850J WLT 850J LGP
Blade Type Outside Dozer PAT Outside Dozer PAT PAT
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
(20 580 kg)

 

Blade Capacities 850J 850J LT 850J WT 850J WLT 850J LGP
PAT   146 in (3708 mm)
5.15 cu yd (3.94 m3)		   158 in (4013 mm)
5.57 cu yd (4.26 m3)		 168 in (4267 mm)
5.87 cu yd (4.49 m3)
Semi-U 128 in (3251 mm)
7.29 cu yd (5.57 m3)		   140 in (3556 mm)
7.62 cu yd (5.82 m3)		    

 

 
Machine Dimensions 850J 850J LT 850J WT 850J WLT 850J LGP
Blade Type Outside Dozer PAT Outside Dozer PAT PAT
A) Overall Height to Roof
     Overall Height to Exhaust Stack		 10 ft 5 in (3180 mm)
10ft 5.5in (3190 mm)		 10 ft 5 in (3180 mm)
10ft 5.5in (3190 mm)		 10 ft 5 in (3180 mm)
10ft 5.5in (3190 mm)		 10 ft 5 in (3180 mm)
10ft 5.5in (3190 mm)		 10 ft 5 in (3180 mm)
10ft 5.5in (3190 mm)
B) Tread Depth with Single Bar Grouser
      Moderate Duty
     Extreme Duty
2.6 in (65 mm)
2.8 in (72 mm)
2.6 in (65 mm)
2.8 in (72 mm)
2.6 in (65 mm)
2.8 in (72 mm)
2.6 in (65 mm)
2.8 in (72 mm)
2.6 in (65 mm)
2.8 in (72 mm)
C) Ground Clearance with Grousers
(excludes grouser height)		 16.1 in
(408.5 mm)		 16.1 in
(408.5 mm)		 16.1 in
(408.5 mm)		 16.1 in
(408.5 mm)		 16.1 in
(408.5 mm)
D) Blade Width 10 ft 8 in
(3251 mm)		 12 ft 2 in
(3708 mm)		 11 ft 8 in
(3556 mm)		 13 ft 2 in
(4013 mm)		 14 ft 0 in
(4267 mm)
E) Blade Height 4 ft 8 in
(1422 mm)		 4 ft 0.4 in
(1230 mm)		 4 ft 6.1 in
(1375 mm)		 4 ft 0.4 in
(1230 mm)		 4 ft 0.4 in
(1230 mm)
F) Blade Lift Height 3 ft 9.3 in
(1150 mm)		 3 ft 6.2 in
(1071 mm)		 3 ft 9.3 in
(1150 mm)		 3 ft 6.2 in
(1071 mm)		 3 ft 6.2 in
(1071 mm)
G) Blade Digging Depth 23.6 in (600 mm) 27.7 in (703 mm) 23.6 in (600 mm) 27.7 in (703 mm) 27.7 in (703 mm)
H) Blade Tilt (uses tilt jack) 29.6 in (753 mm) 19.6 in (498 mm) 29.6 in (753 mm) 21.2 in (538 mm) 22.5 in (572 mm)
I) Overall Length with Blade 17 ft 8 in
(5377 mm)		 18 ft 9.5 in
(5726 mm)		 17 ft 8 in
(5377 mm)		 18 ft 9.5 in
(5726 mm)		 18 ft 9.5 in
(5726 mm)
J) Overall Length with Blade Angled NA 11 ft 1.5 in
(3390 mm)		 NA 12 ft 0 in
(3658 mm)		 12 ft 9.6 in
(3901 mm)
K) Blade Angle NA 23.8 deg NA 23.8 deg 23.8 deg
L) Cut Reach NA 6.2 in (158 mm) NA 5.7 in (145 mm) 4.3 in (109 mm)
M) Width Over Track 8 ft 2 in
(2489.2 mm)		 8 ft 10 in
(2692.4 mm)		 9 ft 2 in
(2794 mm)		 9 ft 10 in
(2997.2 mm)		 10 ft 10 in
(3302 mm)
N) Cast Reach NA 11.2 in (284 mm) NA 10.7 in (271 mm) 9.2 in (234 mm)
O) Cutting Edge Angle 51.5 - 61 deg 55.1 - 60.2 deg 51.5 - 61 deg 55.1 - 60.2 deg 55.1 - 60.2 deg
 
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