John Deere 6420

Last Updated: June 2024

Overview

The John Deere 6420 is a versatile utility tractor designed for a variety of tasks on a farm or other land management scenarios. Manufactured by John Deere from 2002 to 2006, it was available in both 2WD and 4WD models. It featured a robust turbocharged diesel engine, available in two models (PowerTech 4045HL070 or PowerTech 4045HL473), both offering 110 hp and the convenience of hydrostatic power steering, coupled with strong hydraulic wet disc brakes. The tractor could be fitted with a variety of transmission options, ranging from fully synchronized with 12 forward and 4 reverse gears to an infinitely variable transmission for a smooth range of speed adjustments. The operating weight was reported with slight discrepancies but it highlights the substantial build of the machine. Features such as a spacious fuel tank, comfortable operator station options, and strong hitch lift capacity enhance its utility on the field.

Key Specifications

Category: Utility

Power Output: 110

Transmission: Fully synchronized, Partial power shift, or Infinitely variable transmission

Drive Type: 2WD or 4WD

Operating Weight: 10472 or 11110 (conflicting data)

Fuel Type: Diesel

John Deere 6420 vs. Similar Tractors

Power Output

Above Average

Greater than 85% of similar tractors.

Hitch Capacity

Above Average

Greater than 75% of similar tractors.

Operating Weight

Excellent

Greater than 93% of similar tractors.

Technical Specifications

Engine

Manufacturer: John Deere
Model: PowerTech 4045HL070 or PowerTech 4045HL473
Cooling Type: Liquid-cooled
Cylinder Orientation: Inline
Valve Configuration: -
Fuel Type: Diesel
Induction Type: Turbocharged
Cylinders: 4
Displacement (ci): 276
Bore (in): 4.17
Stroke (in): 5
Rated RPM: 2300
Power Output (hp): 110

Transmission

Type: Fully synchronized, Partial power shift, or Infinitely variable transmission
Forward Gears: 12, 16, 24, or Infinite (depending on the transmission model)
Reverse Gears: 4, 16, 24, or Infinite (depending on the transmission model)
Total Gears: Unknown (since it depends on the transmission model)

Dimensions

Length (in): 162.7
Width (in): 61.8
Height (in): 98.3
Operating Weight (lb): 10472 or 11110 (conflicting data)

Power Take-Off (PTO)

PTO Type: Optional front, Independent rear
PTO Speed 1 (rpm): 540
PTO Speed 2 (rpm): 1000 (optional)
PTO Speed 3 (rpm): -

Miscellaneous

Chassis: 4x2 2WD or 4x4 MFWD 4WD
Drive Type: 2WD or 4WD
Steering Type: Hydrostatic power
Coolant Capacity (qts): 14.4 or 14.7 (discrepancy in data)
Front Tire Diameter (in): -
Front Tire Width (in): -
Rear Tire Diameter (in): -
Rear Tire Width (in): -
Front/Rear Rim Diameter (in): -
Tire Type: Ag
Manufacture - End Year: 2006
Hitch Type: -
Hitch Category: II
Hitch Position: -
Hitch Capacity (lb): 4741 lbs
Operator Station Type: Open or Cab (optional ConfortGard Cab)
Starter Type: Electric
Brake Type: Hydraulic wet disc
Hydraulic System Type: Closed center pressure flow compensated