John Deere 8850

John Deere 8850 Four-wheel Drive (4WD) tractor Technical Specifications

John Deere 8850 is a Row-Crop tractor that was produced by the John Deere between 1982 – 1988.

Below you will find detailed technical specifications for John Deere 8850 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

John Deere 8850 Production

Manufacturer: John Deere
Type: Four-wheel Drive (4WD) tractor
Factory: Waterloo, Iowa, USA
Original price: $122,694 (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.

John Deere 8850 Power

Engine: 370 hp
275.9 kW
PTO (claimed): 300 hp
223.7 kW
Drawbar (tested): 269.77 hp
201.2 kW
PTO (tested): 303.99 hp
226.7 kW

John Deere 8850 Electrical

Ground: negative
Charging system: alternator
Charging amps: 110
Batteries: 3
Battery CCA: 625
Battery volts: 12

John Deere 8850 Mechanical

Chassis: 4×4 articulated 4WD
Final drives: inboard compound planetary
Differential lock: electro-hydraulic front and rear
Steering: articulated power
Brakes: power wet disc
Cab: Sound-Gard cab with air-conditioning
Transmission: 16-speed partial power shift


Fuel: 240 gal
908.4 L
Hydraulic system: 45.5 gal
172.2 L


Type: closed center constant-pressure
Capacity: 45.5 gal
172.2 L
Valves: 3 to 4
Pump flow: 44 gpm
166.5 lpm

Tracktor Hitch

Rear Type: 4/4N
Control: lower-link draft sensing
Rear lift: 10,250 lbs
4649 kg

Power Take-off (PTO)

Rear PTO: independent*Optional
Clutch: hydraulic wet disc
Rear RPM: 1000 (1.75)

John Deere 8850 Engine detail

Engine Detail
John Deere
intercooled turbocharged diesel
liquid-cooled V8
Displacement: 955 ci
15.7 L
Bore/Stroke: 5.51×5.00 inches
140 x 127 mm
Power: 370 hp
275.9 kW
Compression: 15.5:1
Rated RPM: 2100
Starter volts: 12
Oil capacity: 51 qts
48.3 L
Coolant capacity: 78 qts
73.8 L

John Deere 8850 Transmission overview

Engine Oil

Transmission: Quad-Range
Type: partial power shift
Gears: 16 forward and 6 reverse
Clutch: Perma-Clutch hydraulic wet discs
Oil capacity: 182 qts
172.2 L
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.

John Deere 8850 Dimensions

Wheelbase: 133 inches
337 cm
Length: 257.8 inches
654 cm
Shipping weight: 37,480 lbs
17000 kg
Operating weight: 37,700 lbs
17100 kg
Front axle: 4.331 by 127.5 inches
110 by 3238 mm
Rear axle: 4.331 by 127.5 inches
110 by 3238 mm

John Deere 8850 Tests

Nebraska Tractor Test 1434

Nebraska Tractor Test 1434
Diesel Quad-Range 4WD
May 11 – 21, 1982
Link: Nebraska Tractor Test 1434 file
PTO performance
Power at rated engine speed: 303.99 hp
226.7 kW
Fuel use: 19.3 gal/hour
73.1 l/hour
Drawbar performance
Max power: 269.77 hp
201.2 kW
Fuel use: 19.2 gal/hour
72.7 l/hour
Max pull: 35,330 lbs
16025 kg


Is John Deere 8850 a good tractor?

The John Deere 8850 is one of the great tractors in the John Deere stable, and it has earned John Deere a fantastic reputation.

How much oil does a John Deere 8850 take?

Check out the John Deere 8850 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year John Deere made the 8650

The John Deere 8850 was an agricultural tractor model made from 1982 – 1988

Leave a Comment