Skip to content
An independent tractor reference
TractorStack.

Find your tractor.

Menu ☰

Years in Production / 1982–1988

John Deere

8850

Explore the specifications, hardware, and original references for the John Deere 8850.

Generic tractor; no model photo available
No photo

370hp

Source index power

4x4 Only

Drive

1982–1988

Production years

John Deere

Manufacturer

8850 / 01

At a glance

Overview

1982 - 1988

8050 Series

Four-wheel Drive (4WD) tractor

Production

Four-wheel Drive (4WD) tractor

Built in Waterloo, Iowa, USA

Original price was $122,694 in 1983

The model 8850 was the largest of the four-wheel drive tractors that John Deere unveiled in 1982. Its big V-8 was a departure from John Deere's usual engine design. The 8850 had an available full-power PTO and Load-and-Depth control three-point hitch.

Manufacturer
John Deere

Mechanical

Four-wheel drive

Articulated power steering

Power wet disc brakes

Sound-Gard cab with air-conditioning

Final Drives
inboard compound planetary
Differential Lock
electro-hydraulic front and rear

Capacity

Fuel
240 gal908.4 L
Hydraulic System
45.5 gal172.2 L

Hydraulics

Type
closed center constant-pressure
Capacity
45.5 gal172.2 L
Valves
3 to 4
Pump Flow
44 gpm166.5 lpm

Hitch

Rear Type
4/4N
Control
lower-link draft sensing
Rear Lift
10,250 lbs4649 kg

Pto

Rear Pto
independent OptOptional
Clutch
hydraulic wet disc
Rear Type
1000 (1.75)

Electrical

Ground
negative
Charging System
alternator
Charging Amps
110
Batteries
3
Battery Cca
625
Battery Volts
12

8850 / 02

Under the hood

Engine Detail

John Deere

intercooled turbocharged diesel

8-cylinder

liquid-cooled V8

Displacement
955 ci15.7 L
Bore Stroke
5.51x5.00 inches140 x 127 mm
Power
370 hp275.9 kW
Compression Ratio
15.5:1
Rated Rpm
2100
Starter Volts
12
Oil Capacity
51 qts48.3 L
Coolant Capacity
78 qts73.8 L
Cylinders
8
Cooling
liquid-cooled V8

Engine Options

John Deere 15.7L 8-cyl diesel

8850 / 03

Gears & controls

Transmission

Tractor must be stopped to select one of four ranges. Clutchless power shift between speeds 1-2 and 3-4 in range. A synchronized shift (using clutch) can be made between 2 and 3 in range.

Transmission
Quad-Range
Transmission Type
partial power shift
Gears
16 forward and 6 reverse
Clutch
Perma-Clutch hydraulic wet discs
Oil Capacity
182 qts172.2 L
Speeds Description
20.8-38 tires

John Deere8850 Transmission

16-speed partial power shift

8850 / 04

Size. Stance. Footprint.

Dimensions

Length
257.8 in654 cm
Wheelbase
133 in337 cm

Dimensions And Tires

Wheelbase
133 inches337 cm
Weight
37480 to 37700 pounds
Front Tire
20.8-38
Rear Tire
20.8-38

Tires And Tracks

Front Ag
20.8-38
Front Ag
20.8-42
Front Ag
23.1-34
Front Ag
24.5-32
Front Ag
30.5L-32
Rear Ag
20.8-38
Rear Ag
20.8-42
Rear Ag
23.1-34
Rear Ag
24.5-32
Rear Ag
30.5L-32

See it in action

Videos

Watch John Deere 8850 videos from their original YouTube creators.

8850 / 06

Tests (NTTL)

Nebraska Tractor Test 1434

Diesel Quad-Range 4WDMay 11 - 21, 1982

PTO performance

Drawbar performance

Id
1434
Power At Rated Engine Speed
303.99 hp226.7 kW
Fuel Use
19.3 gal/hour73.1 l/hour
Fuel Use
19.2 gal/hour72.7 l/hour
Max Power
269.77 hp201.2 kW
Max Pull
35,330 lbs16025 kg