| Home / Farm Tractors / John Deere Farm Tractors / JD 6420S |
John Deere 6420S Specifications
The John Deere 6420S utility tractor was manufactured between 2002 and 2006. The John Deere 6420S tractor is powered by John Deere 4045T 4VCR 4-cycle vertical 4-cylinder direct injection turbocharged liquid-cooled diesel engine. A 276.4 cubic inches (4.5 L) engine has a cylinder bore of 4.19" (106 mm), piston stroke of 5.00" (127 mm), and rated power of 120.7 Hp (90.1 kW).
This model is fitted with several transmission options: 24x24 PowrQuad Plus transmission, 24x24 AutoQuad Plus transmission, or AutoPowr IVT transmission. The closed center hydraulic system has an axial-piston pump with rated fluid flow of 25.4 gpm (96 lpm). The John Deere 6420S is equipped with a hydrostatic power steering system, independent PTO type, hydraulic wet disc brakes, 16.9R24 front tyres, and 18.4R38 rear tyres. The operating weight is 10450 lbs (4750 kg).
| Engine Specs |
Engine Model ................. John Deere 4045T 4VCR
Engine Type ................. 4-Stroke 4-cylinder turbocharged diesel
Number of Cylinders ................. 4
Displacement, cu.in (L) ................. 276.4 (4.50)
Cylinder Bore, in (mm) ................. 4.19 (106.0)
Piston Stroke, in (mm) ................. 5.00 (127.0)
Aspiration Type ................. Turbocharged
Rated Engine Power, hp (kW) ................. 120.7 (90.1)
Rated Engine Speed, rpm ................. 2100
Operating Speed Range, rpm ................. 1300-2300
Idle Speed Range, rpm ................. 845-2465
Maximum Torque, Nm (lb-ft) ................. 457 (338)
Torque Speed, rpm ................. 1700
Firing Order ................. 1-3-4-2
Fuel System ................. Direct injection
Injection System ................. High-pressure common rail
Lubrication System ................. Full pressure
Cooling System ................. Liquid-cooled
Air Cleaner Type ................. Dry element
Emissions Level ................. Tier 3
Valve Clearance (Intake), in (mm) ................. 0.014 (0.356)
Valve Clearance (Exhaust), in (mm) ................. 0.018 (0.457)
Fuel Tank Capacity, gal (L) ................. 48.9 (185.0)
Oil Capacity, qts (L) ................. 16.9 (16.0)
Coolant Capacity, qts (L) ................. 13.6 (14.4)
Electrical System Rating, Volts ................. 12
Charging System ................. Alternator
Alternator Rating, Amps ................. 115/150
| Power Take-Off |
PTO Operational Type ................. Independent
PTO Power, hp (kW) ................. 91.2 (68.1)
PTO Clutch Type ................. Hydraulic
PTO Speed, rpm ................. 540/1000
PTO/Engine Speed, rpm ................. 540/2124
PTO/Engine Speed, rpm ................. 1000/2208
| Standard Transmission |
Transmission Model ................. PowrQuad Plus
Transmission Type ................. Partial powershift
Gearbox Type ................. 24F/24R
Number of Forward Gears ................. 24
Number of Reverse Gears ................. 24
Clutch Type ................. Wet disc
Maximum Forward Speed, mph (kph) ................. 25.0 (40.2)
Maximum Reverse Speed, mph (kph) ................. 25.0 (40.2)
| Optional Transmission |
Transmission Model ................. AutoQuad Plus
Transmission Type ................. Partial powershift
Gearbox Type ................. 24F/24R
Number of Forward Gears ................. 24
Number of Reverse Gears ................. 24
Clutch Type ................. Wet disc
Maximum Forward Speed, mph (kph) ................. 31.1 (50.0)
Maximum Reverse Speed, mph (kph) ................. 31.1 (50.0)
| Optional Transmission |
Transmission Model ................. AutoPowr
Transmission Type ................. Infinitely Variable Transmission (IVT)
Number of Forward Gears ................. Infinite
Number of Reverse Gears ................. Infinite
Maximum Forward Speed, mph (kph) ................. 31.0 (49.9)
Maximum Reverse Speed, mph (kph) ................. 31.0 (49.9)
| Wheels and Tires |
Wheel Drive System ................. 4WD 4x4
Steering Configuration ................. Front Steer
Steering System ................. Hydrostatic power
Brakes Type ................. Hydraulic wet disc
Front Tire Size ................. 16.9R24
Rear Tire Size ................. 18.4R38
| Hydraulics and Hitch |
Hydraulic System Type ................. Closed-center with load-sensing control
Hydraulic Pump Type ................. Axial piston pump
Implement Pump Flow, gpm (Lpm) ................. 25.4 (96.0)
Hydraulic Pressure, bar (psi) ................. 200 (2900)
Number of Standard Remote Valves ................. 4
3-Point Hitch Category ................. 3N
Draft Sensing or Lift Control ................. Load and depth control
Lift Capacity at lift pin, lbs (kg) ................. 12980 (5900)
| Dimensions and Weight |
Wheelbase, in (mm) ................. 94.5 (2400)
Overall Length, in (mm) ................. 169 (4290)
Overall Height, in (mm) ................. 108 (2740)
Overall Width, in (mm) ................. 91.2 (2310)
Ground Clearance, in (mm) ................. 20.5 (520)
Turning Radius, in (mm) ................. 174 (4410)
Operating Weight, lbs (kg) ................. 10450 (4750)
____________________________________________________________________________________
| Farm Tractors Technical Specifications |