John Deere 850

Specifications and review tractor John Deere 850 Technical characteristics, dimensions, weight, power, photos and and publish possibly complete information on specifications, technical data of more than 12.000 tractors and machines. If you choose sort items by model, year, power and factory..

John Deere 850The John Deere 850 is a 2WD or 4WD compact utility tractor from the 50 Compact series. This tractor was manufactured by the Yanmar for John Deere in from 1978 to 1989. The JD 850 is equipped with a 1.3 L three-cylinder diesel engine and gear type transmission (8 forward and 2 reverse gears) with dry disc clutch.

The JD 850 compact utility tractor used the Yanmar 3T80-J engine. It is a 1.3 L, 1,278 cm2, (80.0 cu·in) three-cylinder natural aspirated diesel engine with 80.0 mm (3.15 in) of the cylinder bore and 85.0 mm (3.35 in) of the piston stroke. This engine produced 25.3 PS (18.6 kW; 25.0 HP) at 2,600 rpm of maximum output power.

The John Deere 850 is equipped with manual or power (optional) steering, differential mechanical expanding shoe brakes, open operator station with two-post ROPS and 32.2 liters (8.5 US gal.; 7.1 Imp. gal) fuel tank.

Following attachments are available for John Deere 850 compact utility tractor:

  • Mid-mount John Deere 172: 72 in (1,820 mm) mower deck
  • Front-mount John Deere 423: 72 in (1,820 mm) blade
  • John Deere 80 loader
  • John Deere 8A backhoe

John Deere 850 Specifications

General Specifications
Model John Deere 850
Length 2,980 mm (117.3 in)
Width 1,350 mm (53.1 in)
Height 1,290 mm (50.8 in)
Wheel base 1,620 mm (63.8 in)
Weight 1,090 kg (2,400 lbs)
Fuel tank capacity 32.2 liters (8.5 US gal.; 7.1 Imp. gal)
Battery 12V
Cabin type Open operator station with two-post ROPS
Engine model Yanmar 3T80-J
Engine type Four-stroke, liquid-cooled, inline
Cylinders 3
Fuel type Diesel
Displacement 1.3 L, 1,278 cm2, (80.0 cu·in)
Bore and stroke 80.0 mm X 85.0 mm (3.15 in X 3.35 in)
Compression ratio 21.2:1
Horsepower 25.3 PS (18.6 kW; 25.0 HP) at 2,600 rpm
Starter Electric
Coolant capacity: 5.7 L (6.02 US. qt, 5.02 Imp. qt.)

Transmission and chassis
Chassis 4×2 2WD or 4×4 MFWD 4WD
Steering type Manual or power (optional)
Brakes Differential mechanical expanding shoe
Transmission model
Transmission type Gear type with dry disc clutch
Gears 8 forward and 2 reverse
Speed Forward: 18.8 kmh (11.7 mph) Reverse: 8.7 (5.4 mph)
Front tires Ag: 5.00-15
Lawn/turf: 23/8.5-12
Rear tires Ag: 9.5-24, 11.2-24
Lawn/turf: 13.6-16

Three-Point Hitch
Caterogy I
Control type
Lift capacity
PTO (Power take-off shaft)
Rear PTO type Transmission or live two-stage clutch
Rear PTO spped 540 rpm
Hydraulic system
Hydraulic type Open center
Hydraulic capacity 18.0 L (19.02 US. qt, 15.84 Imp. qt.) or
19.5 L (20.61 US. qt, 17.16 Imp. qt.)

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