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Home / Farm Tractors / John Deere Tractors / JD 2120

John Deere 2120 Tractor

The John Deere 2120 tractor was manufactured between 1969 and 1972. The JD 2120 powerline components: John Deere four stroke 4-cylinder direct injection liquid-cooled diesel engine and 8x4 unsynchronized gear transmission, or two-speed power shift transmission with 16 forward and 8 reverse gears.

A 219 cubic inches (3.6 L) engine has a cylinder bore of 4.02" (102 mm), piston stroke of 4.33" (110 mm), rated power of 68 hp (50.7 kW), and maximum torque of 69.6 Nm (51.3 lb-ft) at 1500 rev/min. Max. forward speed - 18.6 mph (29.9 kph), max. reverse speed - 8.1 mph (13 kph).

The closed center hydraulic system used a piston pump with a flow rate of 12.4 gal/min (46.9 liters per minute). The hydraulic pressure is 155 bar (2250 psi). The John Deere 2120 is equipped with a power assist steering, differential hydraulic wet disc brakes, 7.50x16 front tires and 15.5x38 rear tires. The wheelbase is 86 inches (2180 mm).

Engine
Engine Model John Deere
Engine Type Four stroke, 4-cylinder diesel
Number of Cylinders 4
Displacement, cu in (L) 219 (3.60)
Engine Bore, in (mm) 4.02 (102.0)
Engine Stroke, in (mm) 4.33 (110.0)
Aspiration Natural
Rated Engine Power, hp (kW) 68.0 (50.7)
Rated Engine Speed, rpm 2500
Torque Speed, rpm 1500
Compression 16.3:1
Fuel Tank Capacity, gal (L) 19.5 (73.8)
Coolant Capacity, qts (L) 11.0 (10.4)
Electrical System Rating, Volts 12
Charging System Generator

Power Take-Off
Rear PTO Operational Type (Std) Live
Rear PTO Operational Type (Opt) Independent
PTO Horsepower, hp (kW) 60.1 (44.7)
Rear PTO Speed, rpm 540, 540/1000
Mid PTO Optional
Mid PTO Speed, rpm 1000

Standard Transmission
Transmission Type Collar Shift
Gearbox Type 8F/4R, Unsynchronized
Number of Forward Gears 8
Number of Reverse Gears 4
Clutch Type Dry type
Maximum Forward Speed, mph (kph) 16.6 (26.6)
Maximum Reverse Speed, mph (kph) 4.6 (7.4)

Optional Transmission
Transmission Type 2-Speed powershift
Gearbox Type 16F/8R
Number of Forward Gears 16
Number of Reverse Gears 8
Clutch Type Dry disc
Maximum Forward Speed, mph (kph) 18.6 (29.9)
Maximum Reverse Speed, mph (kph) 8.1 (13.0)


Wheels and Tires
Drive Wheels 2WD 4x2
Steering Configuration Front Steer
Steering System Power assist
Service Brake Differential hydraulic wet disc
Front Tire Size 7.5x16
Rear Tire Size 15.5x38

Hydraulic System
Hydraulic System Type Closed Center
Implement Pump Flow, gpm (Lpm) 12.4 (46.9)
Hydraulic Capacity, gal (L) 15.0 (57.0)
Hydraulic Pressure, Bar (psi) 155 (2250)
Number of Standard Remote Valves 2
3-Point Hitch Type Rear
3-Point Hitch Category 2
Standard Lift Capacity at lift pin, lb (kg) 4500 (2040)

Dimensions and Weight
Wheelbase, in (mm) 86 (2180)
Length, in (mm) 142 (3600)
Overall Width, in (mm) 71 (1800)
Height, in (mm) 96.5 (2450)
Turning Radius, in (mm) 146.2 (3700)
Weight, lb (kg) 6615 (3000)

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