John Deere 8850

Last Updated: June 2024

Overview

The John Deere 8850 is a large four-wheel drive (4WD) tractor that was part of the 8050 series. Manufactured by John Deere in Waterloo, Iowa, USA, it was in production from 1982 to 1988. This tractor is powered by an 8-cylinder, 955 cubic inch, turbocharged and intercooled diesel engine with a liquid cooling system. It is equipped with an articulated 4WD system, providing a stable and robust platform for heavy-duty operations. The transmission is a Quad-Range partial power shift that offers 16 forward and 6 reverse gears, with the capability of reaching a maximum forward speed of 20.2 mph. The JD 8850 also features an operating weight of 37,700 lbs, hydraulic power-disc brakes, a Sound-Gard cab with air-conditioning for operator comfort, and a large fuel tank with a capacity of 240 US gallons. The hitch system on this model comes equipped for heavy lifting, having a capacity of 10,250 lbs. This tractor is well-suited for heavy agricultural operations, requiring power and traction.
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Key Specifications

Category: Utility, Four-Wheel Drive

Power Output: 370

Transmission: Partial power shift

Drive Type: 4WD

Operating Weight: 37,700

Fuel Type: Diesel

John Deere 8850 vs. Similar Tractors

Power Output
Excellent
Greater than 96% of similar tractors.
Hitch Capacity
Below Average
Greater than 13% of similar tractors.
Operating Weight
Poor
Greater than 7% of similar tractors.

Technical Specifications

Engine

Manufacturer
John Deere
Model
-
Cooling Type
Liquid-cooled
Cylinder Orientation
V (Vertical)
Valve Configuration
-
Fuel Type
Diesel
Induction Type
Intercooled turbocharged
Cylinders
8
Displacement (ci)
955
Bore (in)
5.51
Stroke (in)
5
Rated RPM
2100
Power Output (hp)
370

Transmission

Type
Partial power shift
Forward Gears
16
Reverse Gears
6
Total Gears
-

Dimensions

Length (in)
257.8
Width (in)
-
Height (in)
-
Operating Weight (lb)
37,700

Power Take-Off (PTO)

PTO Type
Independent with hydraulic wet disc clutch (optional)
PTO Speed 1 (rpm)
1000
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x4 articulated 4WD
Drive Type
4WD
Steering Type
Articulated power
Coolant Capacity (qts)
78
Front Tire Diameter (in)
-
Front Tire Width (in)
-
Rear Tire Diameter (in)
-
Rear Tire Width (in)
-
Front/Rear Rim Diameter (in)
-
Tire Type
Ag
Manufacture - End Year
1988
Hitch Type
4/4N
Hitch Category
-
Hitch Position
Rear
Hitch Capacity (lb)
10,250
Operator Station Type
Sound-Gard cab with air-conditioning
Starter Type
Electric
Brake Type
Power wet disc
Hydraulic System Type
Closed center constant-pressure