John Deere

John Deere 303

The John Deere 303 is a farm tractor produced from 1963 to 1966 by John Deere in Saran, France. It features a 2.3L 4-cylinder liquid-cooled diesel engine producing 36.3 hp (27.1 kW). The tractor has a 10-speed transmission with 10 forward and 3 reverse gears, a dry disc clutch, and a two-wheel drive with manual steering. It has a wheelbase of 74.1 inches (188 cm), weighs 3836 lbs (1740 kg), and uses 5.50-16 front and 10-28 rear tires. The hydraulic system is open center with a capacity of 2.6 gallons (9.8 L). The PTO offers 540/1000 RPM at 1850 engine RPM. Electrical system is 12 volts with positive ground. The tractor has an open operator station and disc brakes.
Power36 hp
Founded1963 - 1966
Model303

Technical Specifications

Detailed specifications and technical data for John Deere 303

Power
Engine36.3 hp (27.1 kW)
Tires
Ag rear10-28, 9-36, 10-36
Ag front5.50-16, 11-28
Engine
TypeStandard OE 138 diesel
Power36.3 hp (27.1 kW)
Coolingliquid-cooled
Cylinders4-cylinder
Rated RPM2000
Bore/Stroke3.31x4.00 inches (84 x 102 mm)
Compression21.5:1
Displacement137.9 ci (2.3 L)
Oil capacity7.2 qts (6.8 L)
Starter volts12
Coolant capacity10.6 qts (10.0 L)
Capacity
Fuel16.4 gal (62.1 L)
Hydraulic system2.6 gal (9.8 L)
Dimensions
Width60 inches (Minimum) (152 cm)
Length132.7 inches (337 cm)
Weight3836 lbs (1740 kg)
Wheelbase74.1 inches (188 cm)
Rear tread48.8 to 76.8 inches (123 to 195 cm)
Front tread50 to 69.7 inches (127 to 177 cm)
Ground clearance14.2 inches (36 cm)
Height (steering wheel)61.8 inches (156 cm)
Electrical
Groundpositive
Battery AH95
Battery volts12
Hydraulics
Typeopen center
Capacity2.6 gal (9.8 L)
Mechanical
DriveTwo-wheel drive
BrakesDisc brakes
SteeringManual steering
Operator stationOpen operator station
Production
Built inSaran, France
Years made1963 - 1966
ManufacturerJohn Deere
Transmission
Type10-speed
Gears10 forward and 3 reverse
NotesFour gears (1-4) in three ranges (I, II, and III) plus reverse range. Fourth gear is the same speed on all the forward ranges.
Clutchdry disc
Oil capacity32.8 qts (31.0 L)
Tractor hitch
Rear TypeII
Power Take-off (PTO)
Engine RPM540@1850
Rear PTO Type540/1000 (1.375)