The2008 John Deere 850Jis a heavy-duty crawler dozer favored for its productivity, precision, and rugged build quality. It features a hydrostatic transmission, a robust John Deere diesel engine, and advanced controls tailored to challenging grading, earthmoving, and site preparation tasks.
Key Specifications
Feature
Specification
Engine Model
John Deere 6090HT, 6-cylinder turbo diesel
Net Power
185 hp @ 1,800 rpm
Gross Power
192 hp
Max Torque
611 lb-ft @ 1,500 rpm
Displacement
550 cu in (9.0 L)
Operating Weight
39,857 lbs (18,079 kg)
Transmission
Hydrostatic (infinite speed control)
Max Forward Speed
6.3 mph (10.2 km/h)
Max Reverse Speed
6.3 mph (10.2 km/h)
Fuel Capacity
98 gal (371 L)
Hydraulic Fluid Capacity
28 gal (106 L)
Ground Clearance
1 ft (0.3 m)
Ground Pressure
7.7 psi
Track Gauge
6 ft (1.8 m)
Standard Shoe Size
24 in (610 mm)
Number of Shoes/Rollers
40 shoes / 7 rollers per side
Blade Type
6-way PAT (Power Angle Tilt), dozer or semi-U
Blade Capacity
7–7.3 cu yd (5.4–5.6 m³)
Blade Width
Approx. 11 ft (3.3 m)
Overall Length w/ Blade
18 ft (5.5 m)
Height (to cab/roof)
10.4 ft (3.18 m)
Electrical System
24 V, 80 A alternator
Notable Features
Hydrostatic Drive:Provides infinitely variable speed control and full-power turns.
Advanced Operator Controls:Total Machine Control for fully customizable operation and ergonomic T-bar handle for the blade.
Heavy-Duty Undercarriage:Reinforced components for extended service life.
Operator Comfort:ROPS/FOPS cab, climate control options, and superior visibility.
Serviceability:Easy access to key service points for routine checks and maintenance.
Typical Applications
Large-scale earthmoving and grading
Site development and road construction
Slope work requiring precision control
Land clearing and utility construction
Market Context
Well-regarded for durability, productivity, and ease of service.
Used market pricing for 2008 models varies significantly based on operating hours, condition, and included options, but retains strong value due to engine reliability and construction versatility.
The2008 John Deere 850Joffers a strong combination of power, fine grading ability, and low maintenance demands, making it a preferred choice for contractors and operators tackling demanding job site conditions.
