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John Deere 3420

John Deere 3420 tractor
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The John Deere 3420 is a row-crop tractor produced from 1970 to 1975. It features a 5.0L 6-cylinder diesel engine producing 77 hp (57.4 kW), with an 8-speed Syncro-Range transmission. Built in Rosario, Argentina, it has a two-wheel drive with planetary final drives, power steering, and hydraulic wet disc brakes. The tractor includes a closed center hydraulic system, a category II rear hitch, and an independent 540 rpm rear PTO. Dimensions include a 100.4 inch (255 cm) wheelbase, 161 inch (408 cm) length, and a shipping weight of 7668 lbs (3478 kg). It rides on 6.00x16 front and 18.4x34 rear tires, with additional tire options available. Electrical system features a 28 amp alternator and two 6-volt batteries.
John Deere 3420tractorspecificationsenginetransmissiondimensionshydraulicsfarm tractor
Power77 hp
Founded1970 - 1975
Model3420

Technical Specifications

Detailed specifications and technical data for John Deere 3420

Power

Engine power:77 hp (57.4 kW)

Tires

Rear tire:18.4x34
Front tire:6.00x16
Other tires:15.5x38, 23.1x26
Additional Ag rear:13.6x38
Additional Ag front:7.50x18

Engine

Type:John Deere 5.0L 6-cyl diesel
Power:77 hp (57.4 kW)
Torque:221 lb-ft (299.7 Nm)
Fuel tank:34.1 gal (129.1 L)
Rated RPM:2500
Torque RPM:1250
Air cleaner:dry
Bore/Stroke:4.016x4.331 inches (102 x 110 mm)
Compression:16.7:1
Displacement:302.7 ci (5.0 L)
Starter volts:12

Dimensions

Length:161 inches (408 cm)
Wheelbase:100.4 inches (255 cm)
Height (hood):67.3 inches (170 cm)
Shipping weight:7668 lbs (3478 kg)
Ground clearance:13.4 inches (34 cm)
Height (exhaust):88.2 inches (224 cm)

Electrical

Batteries:2
Battery volts:6
Charging amps:28
Charging system:alternator

Hydraulics

Type:closed center

Mechanical

Drive:Two-wheel drive
Brakes:Hydraulic wet disc brakes
Final drives:planetary
Power steering:Yes
Operator station:Open operator station

Production

Type:Row-Crop tractor
Built in:Rosario, Argentina
Years produced:1970 - 1975

Transmission

Type:Syncro-Range
Gears:8 forward and 2 reverse
Speeds:With 18.4x34 rear tires

Tractor hitch

Rear Type:II

Serial Numbers

Location:Serial number plate below the steering column

Power Take-off (PTO)

Rear PTO:independent
Rear PTO Type:540

Related Models

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John Deere 4420

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