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John Deere 6420

John Deere 6420 tractor
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The John Deere 6420 is a utility tractor produced from 2002 to 2006. It features a 110 hp John Deere PowerTech 4.5L 4-cylinder turbocharged diesel engine with Tier I emissions. The tractor offers multiple transmission options including fully synchronized, partial power shift, and infinitely variable transmission (IVT). It has a two- or four-wheel drive with hydrostatic power steering and hydraulic wet disc brakes. The 6420 has a rear PTO with independent operation and optional front PTO. It was built in Mannheim, Germany, and originally priced at $44,000 in 2007. The tractor is equipped with a closed center pressure flow compensated hydraulic system and a rear hitch type II with a lift capacity of 4745 lbs. Dimensions include a 94.5 inch wheelbase, 162.7 inch length, and weight ranging from 10,064 to 11,110 pounds.
John Deere 6420tractorspecificationsenginetransmissionutility tractorfarm tractor
Power110 hp
Founded2002 - 2006
Model6420

Technical Specifications

Detailed specifications and technical data for John Deere 6420

Power

Engine power:110 hp (82.0 kW)
PTO (tested):103.9 hp (77.5 kW)
PTO (claimed):90 hp (67.1 kW)
Drawbar (tested):75.4 hp (56.2 kW)

Engine

Type:turbocharged diesel
Model:John Deere PowerTech 4045HL070
Power:110 hp (82.0 kW)
Torque:273 lb-ft (370.2 Nm)
Cooling:liquid-cooled
Idle RPM:875-2510
Cylinders:4-cylinder
Emissions:Tier I
Rated RPM:2300
Torque RPM:1500
Air cleaner:dry
Bore/Stroke:4.19x5.00 inches (106 x 127 mm)
Displacement:276 ci (4.5 L)
Firing order:1-3-4-2
Oil capacity:16.8 qts (15.9 L)
Operating RPM:1000-2300
Starter power:4 hp (3.0 kW)
Starter volts:12
Coolant capacity:14.4 qts (13.6 L)
Oil change interval:500 h
Intake valve clearance:0.014 inches (0.356 mm)
Exhaust valve clearance:0.018 inches (0.457 mm)

Capacity

Fuel:48.9 gal (185.1 L)
Hydraulic system:13.7 gal (51.9 L)
Hydraulic system (IVT):15.9 gal (60.2 L)

Variants

6420:utility chassis
6420L:low-profile chassis

Electrical

Ground:negative
Battery AH:110, 154
Battery volts:12
Charging amps:90, 115, 150
Charging system:alternator

Hydraulics

Type:closed center pressue flow compensated
Valves:4
Capacity:13.7 gal (51.9 L)
Pressure:2900 psi (200.0 bar)
Pump flow:25 gpm (94.6 lpm)
Capacity (IVT):15.9 gal (60.2 L)

Mechanical

ROPS:Two-post ROPS. ConfortGard Cab optional.
Drive:Two- or four-wheel drive
Brakes:Hydraulic wet disc brakes
Steering:hydrostatic power

Production

Type:Utility tractor
Built in:Mannheim, Baden-Württemberg, Germany
Original price:$44,000 (2007)
Years produced:2002 - 2006

Transmission

Options:12-speed fully synchronized,16-speed partial power shift,24-speed partial power shift,infinitely variable transmission

John Deere IVT

Type:infinitely variable transmission
Gears:infinite forward and reverse
Oil type:JD Hy-Gard
Description:Continuously-variable transmission with built-in creeper and left-hand reverser lever. Speed-adjusting dial sets the maximum speed for each band. Setting maximum speed of Band 1 to less than 2 KPH (1.3 MPH) engages creeper mode. Only available on cab tractors.
Oil capacity:63.4 qts (60.0 L)

John Deere PowrQuad

Type:partial power shift
Gears:16 forward and reverse
Clutch:wet disc
Oil type:JD HyGard
Description:Four gears (1-4) in four ranges (A-D) with reverser lever. Clutchless power shift between gears (1-4) and direction changes (power shuttle). Range shifts (A-D) are synchronized, and may be shifted while the tractor is moving by using the clutch. Optional creeper adds an additional twelve speeds for 28 forward and reverse. The PowrQuad uses a gear-shift lever while the PowrQuad Plus (cab tractors only) offers push-button gear shifting.
Oil capacity:51.8 qts (49.0 L)

John Deere SyncroPlus

Type:fully synchronized
Gears:12 forward and 4 reverse
Clutch:wet disc
Oil type:JD HyGard
Description:Three gears (1-3) plus reverse (R) in four ranges (A-D). Directional, gear, and range changes are synchronized and may be shifting while moving by using the clutch. Optional creeper adds an additional nine forward and three reverse speeds for a total of 21-forward and 7-reverse. The SyncroPlus Power Reverser adds a fourth gear in the place of reverse, and includes a left-hand reverser lever, for 16 forward and reverse speeds.
Oil capacity:55 qts (52.1 L)

John Deere PowrQuad Plus

Type:partial power shift
Gears:24 forward and reverse
Clutch:wet disc
Oil type:JD HyGard
Description:Four gears (1-4) in six ranges (A-F) with reverser lever. Push-button power shifting between gears (1-4) and power shuttle directional shifting using the reverser lever. Ranges (A-F) may be shifted on the move by using the clutch. Optional AutoQuad offers automatic gear shifting to match load.
Oil capacity:52.8 qts (50.0 L)

Tractor hitch

Rear Type:II
Rear lift capacity:4745 lbs (2152 kg)

Serial Numbers

Location:Serial number plate on the right side of the tractor's main frame.

Dimensions & Tires

Height:98.3 inches (249 cm)
Length:162.7 inches (413 cm)
Weight:10064 to 11110 pounds
Min Width:61.8 inches (156 cm)
Rear tire:18.4-34 (2WD)
Wheelbase:94.5 inches (240 cm)
Front tire:10.00-16, 13.6-24 (4WD)
Rear tread:63.1 to 90.6 inches (160 to 230 cm)
Front tread:58.7 to 101.7 inches (149 to 258 cm) (2WD), 59.7 to 79.4 inches (151 to 201 cm) (4WD)
Max capacity:17,635 lbs (7999 kg)
Max rear axle:14,325 lbs (6497 kg)
Max front axle:11,685 lbs (2WD) (5300 kg), 12,125 lbs (4WD) (5499 kg)
Shipping weight:10,064 lbs (4565 kg), 10,474 lbs (4WD) (4751 kg)
Operating weight:11,110 lbs (4WD cab) (5039 kg)
Clearance (front axle):23.1 inches (2WD) (58 cm), 18 inches (4WD) (45 cm)

Power Take-off (PTO)

Rear PTO:independent
Front PTO:optional
Engine RPM:540@2124, 540@2143 (reversible), 1000@2208
Rear PTO Type:540, 540/1000
Front PTO Type:1000
Front PTO Engine RPM:1000@2185