Tractors Specs > John Deere > John Deere 850 4WD

John Deere 850 4WD similar models

John Deere 850 4WD Specs

(1978)

John Deere 850 4WD General Information

Brand	John Deere

Model	John Deere 850 4WD

Tractor Series	50 Compact Series

Start year	1978

End year	1989

Category / Type	Compact Utility tractor

Distributor	John Deere

Manufacturer	Yanmar

Factory	Japan

Serial Number Location	Serial number plate on the rear of the John Deere 850, below the PTO shaft.

Number of total built	-

Original Price (in USD)	$11,000 (1989 )

John Deere 850 4WD Chassis, dimensions, weight and tires

Cabin Type	Two-post ROPS.

Wheelbase	64 in

Length	117.7 in

Width	53.3 in

Height	- in

Fuel Capacity	8.5

Weight	2400 lbs

Shipping weight	- lbs

Ballasted weight	- lbs

Operating Weight	- lbs

Front Tyres - Rims dimensions	5.00-15

Rear Tyres - Rims dimensions	9.5-24

Steering type	manual

Brakes type	differential mechanical expanding shoe

Agricultural Tires (R1)	5.00-15

Agricultural Tires (R1)	9.5-24

Turf Tires (R3)	23/8.5-12

Turf Tires (R3)	13.6-16

Industrial Tires (R4)	-

Industrial Tires (R4)	-

John Deere 850 4WD Electrical System

Charging System	-

Charging Voltage	- volts

Ground	negative

Charging Amperage	- A

Number of batteries	1

Battery - voltage	12 volts

Battery - Amp / Hour	- Ah

Battery - Cold Cranking Amperage	- A

Battery - Group	-

Engine Starter - voltage	12 v

John Deere 850 4WD Engine and Transmission Technical Data

Number of cylinders	3-cylinder

Fuel Type	diesel

Engine Code	Yanmar 3T80-J

Engine size - Displacement - Engine capacity	78 ci

Bore x Stroke	3.15x3.35

Compression Ratio	21.2:1

Maximum power - Output - Horsepower	25 hp @ 2600 rpm

Engine Cooling Type	liquid-cooled

Engine Air Filter / Cleaner	paper element

Transmission Type	gear -

Transmission / Gearbox gears	8 forward and 2 reverse

Transmission Clutch	210mm dry disc

Drive wheels - Traction - Drivetrain	4x4 MFWD 4WD

John Deere 850 4WD PTO - Power Take-Off

Rear PTO Type	transmission

Rear PTO Power (Tested)	22 hp ( 22.27 hp)

Rear PTO RPM	540 (1.375)