John Deere 6420 Price, Specs, Review, Horsepower, Serial Numbers, Weight, Problems, For Sale, Engine Oil Capacity & Pictures
The John Deere 6420 is a 2WD or 4WD utility tractor produced by John Deere from 2002 to 2006 in Mannheim, Baden-Württemberg, Germany.
John Deere 6420 Utility Tractor is equipped with a John Deere PowerTech 4045HL070 turbocharged diesel 4-cylinder liquid-cooled 276 ci [4.5 L] engine, which delivers 110 hp [82.0 kW] power at rated rpm 2300.
John Deere 6420 Utility Tractor featured a John Deere 4.5L 4-cyl diesel engine, 4×2 2WD, hydrostatic power steering, two-post ROPS and ConfortGard Cab (optional), hydraulic wet disc brakes, 4745 lbs [2152 kg] Rear lift, and 10064 to 11110 pounds weight.
Now, let’s find out the John Deere 6420 Lawn Tractor Price, Parts Specs, Reviews, Serial Numbers & Images.
John Deere 6420 Price
The price of a John Deere 6420 for sale can vary depending on several factors such as the year, condition, location, and seller:
- AuctionTime.com lists auction results for John Deere 6420 tractors, with prices ranging from USD $16,000 to $51,000
- Farm Country Trader lists several John Deere 6420 tractors for sale, with prices ranging from $54,900 to $78,500
- Fastline.com lists several John Deere 6420 tractors for sale, with prices ranging from $38,500 to $74,500
- TractorHouse.com lists several John Deere 6420 tractors for sale, with prices ranging from $39,500 to $74,500
John Deere 6420 Review Video
John Deere 6420 Serial Numbers
Location: The serial number plate is situated on the right side of the tractor’s main frame.
John Deere 6420 Specs
| Production | |
| Manufacturer: | John Deere |
| Type: | Utility tractor |
| Factory: | Mannheim, Baden-Württemberg, Germany |
| Model Year | 2002-2006 |
| Variants | |
| 6420: | utility chassis |
| 6420L: | low-profile chassis |
John Deere 6420 Engine:
| Engine type | John Deere PowerTech 4045HL070 turbocharged diesel 4-cylinder liquid-cooled 276 ci [4.5 L] |
| Bore/Stroke: | 4.19×5.00 inches [106 x 127 mm] |
| Emissions: | Tier I |
| Power: | 110 hp [82.0 kW] |
| Air cleaner: | dry |
| Rated RPM: | 2300 |
| Idle RPM: | 875-2510 |
| Operating RPM: | 1000-2300 |
| Torque: | 273 lb-ft [370.2 Nm] |
| Torque RPM: | 1500 |
| Firing order: | 1-3-4-2 |
| Starter volts: | 12 |
| Starter power: | 4 hp [3.0 kW] |
| Oil capacity: | 16.8 qts [15.9 L] |
| Oil change: | 500 h |
| Coolant capacity: | 14.4 qts [13.6 L] |
| Intake valve clearance: | 0.014 inches [0.356 mm] |
| Exhaust valve clearance: | 0.018 inches [0.457 mm] |
| Oil capacity: | 16.8 qts 15.9 L |
| Oil change: | 500 h |
| Oil Type | SAE-15W-40, SAE-10w-40 |
John Deere 6420 Engine:
| Engine Type | John Deere PowerTech 4045HL473, turbocharged diesel, 4-cylinder, liquid-cooled |
| Displacement: | 276 ci [4.5 L] |
| Bore/Stroke: | 4.19×5.00 inches [106 x 127 mm] |
| Emissions: | Tier II |
| Power: | 110 hp [82.0 kW] |
| Air cleaner: | dry |
| Rated RPM: | 2300 |
| Idle RPM: | 845-2465 |
| Torque: | 346 lb-ft [469.2 Nm] |
| Torque RPM: | 1500 |
| Firing order: | 1-3-4-2 |
| Starter volts: | 12 |
| Starter power: | 4 hp [3.0 kW] |
| Coolant capacity: | 14.4 qts [13.6 L] |
| Intake valve clearance: | 0.014 inches [0.356 mm] |
| Exhaust valve clearance: | 0.018 inches [0.457 mm] |
Mechanical
| Chassis: | 4×2 2WD |
| 4×4 MFWD 4WD | |
| Steering: | hydrostatic power |
| Brakes: | hydraulic wet disc |
| Cab: | Two-post ROPS. ConfortGard Cab is optional. |
Hydraulics
| Type: | closed center pressure flow compensated |
| Capacity: | 13.7 gal [51.9 L] |
| 15.9 gal [60.2 L] (IVT) | |
| Pressure: | 2900 psi [200.0 bar] |
| Valves: | 4 |
| Pump flow: | 25 GPM [94.6 lpm] |
Capacity
| Fuel: | 48.9 gal [185.1 L] |
| Hydraulic system: | 13.7 gal [51.9 L] |
| 15.9 gal [60.2 L] (IVT) |
3 Point Hitch
| Rear Type: | II |
| Rear lift: | 4745 lbs [2152 kg] |
John Deere 6420 Transmission
| Transmission: | John Deere SyncroPlus |
| Type: | fully synchronized |
| Gears: | 12 forward and 4 reverse |
| Clutch: | wet disc |
| Oil capacity: | 55 qts [52.1 L] |
| Oil type: | JD HyGard |
| Transmission: | John Deere PowrQuad |
| Type: | partial power shift |
| Gears: | 16 forward and reverse |
| Clutch: | wet disc |
| Oil capacity: | 51.8 qts [49.0 L] |
| Oil type: | JD HyGard |
| Transmission: | John Deere PowrQuad Plus |
| Type: | partial power shift |
| Gears: | 24 forward and reverse |
| Clutch: | wet disc |
| Oil capacity: | 52.8 qts [50.0 L] |
| Oil type: | JD HyGard |
| Transmission: | John Deere IVT |
| Type: | infinitely variable transmission |
| Gears: | infinite forward and reverse |
| Oil capacity: | 63.4 qts [60.0 L] |
| Oil type: | JD HyGard |
John Deere 6420 Weight
| Shipping: | 10,064 lbs [4565 kg] |
| 10,474 lbs [4751 kg] (4WD) | |
| Operating: | 11,110 lbs [5039 kg] (4WD cab) |
| Max capacity: | 17,635 lbs [7999 kg] |
| Max front axle: | 11,685 lbs [5300 kg] (2WD) |
| 12,125 lbs [5499 kg] (4WD) | |
| Max rear axle: | 14,325 lbs [6497 kg] |
PTO
| Rear PTO: | independent |
| Rear RPM: | 540 |
| 540/1000 | |
| Engine RPM: | 540@2124 540@2143 (reversible) 1000@2208 |
| Front PTO: | optional |
| Front RPM: | 1000 |
| Engine RPM: | 1000@2185 |
John Deere 6420 Power
| Engine: | 110 hp [82.0 kW] |
| PTO (claimed): | 90 hp [67.1 kW] |
| Drawbar (tested): | 75.4 hp [56.2 kW] |
| PTO (tested): | 103.9 hp [77.5 kW] |
John Deere 6420 Dimensions
| Weight (shipping): | 10,064 lbs [4565 kg] |
| 10,474 lbs [4751 kg] (4WD) | |
| Weight (operating): | 11,110 lbs [5039 kg] (4WD cab) |
| Weight (max capacity): | 17,635 lbs [7999 kg] |
| Front axle load: | 11,685 lbs [5300 kg] (2WD) |
| 12,125 lbs [5499 kg] (4WD) | |
| Rear axle load: | 14,325 lbs [6497 kg] |
| Wheelbase: | 94.5 inches [240 cm] |
| Length: | 162.7 inches [413 cm] |
| Min Width: | 61.8 inches [156 cm] |
| Height: | 98.3 inches [249 cm] |
| Clearance (front axle): | 23.1 inches [58 cm] (2WD) |
| 18 inches [45 cm] (4WD) | |
| Front tread: | 58.7 to 101.7 inches (2WD) [149 to 258 cm] (2WD) 59.7 to 79.4 inches (4WD) [151 to 201 cm] (4WD) |
| Rear tread: | 63.1 to 90.6 inches [160 to 230 cm] |
John Deere 6420 Tires
| Standard tires (ag): | Front: 10.00-16. Rear: 18.4-34 (2WD) |
| Front: 13.6-24. Rear: 18.4-34 (4WD) |
John Deere 6420 Electrical
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 90 |
| 115 | |
| 150 | |
| Battery volts: | 12 |
| Battery AH: | 110 |
| 154 |
John Deere 6420 Problems And Solutions
The John Deere 6420 is a popular tractor, but like any machine, it can experience problems. Here are some common problems with the John Deere 6420 and their solutions:
Electrical malfunctions:
The John Deere 6420 can experience electrical malfunctions, such as blown fuses or faulty wiring.
To fix this issue, check the fuses and wiring for any damage or loose connections. Replace any damaged fuses or wiring as needed.
Fuel consumption:
The John Deere 6420 can consume excessive amounts of fuel, which can be costly and inefficient.
To fix this issue, check the air filter and fuel injectors for any clogs or damage. Replace any damaged components and clean the air filter to improve fuel efficiency.
Engine shutdown:
The John Deere 6420 can experience engine shutdowns, which can be caused by a variety of issues such as low oil pressure or a faulty sensor.
To fix this issue, check the oil level and pressure, and replace any faulty sensors as needed.
Shaking engine:
The John Deere 6420 can experience a shaking engine, which can be caused by a variety of issues such as worn engine mounts or damaged pistons.
To fix this issue, check the engine mounts and replace any worn or damaged components. If the issue persists, consult with a professional mechanic.
Shifting problems:
The John Deere 6420 can experience shifting problems, such as difficulty shifting gears or slipping gears.
To fix this issue, check the transmission fluid level and quality, and replace the fluid if necessary. If the issue persists, consult with a professional mechanic.
AC unit issues:
The John Deere 6420 can experience issues with the AC unit, such as a clogged air filter or a faulty compressor.
To fix this issue, check the air filter and compressor for any damage or clogs. Replace any damaged components and clean the air filter to improve AC performance.
PTO problems:
The John Deere 6420 can experience PTO problems, such as difficulty engaging or disengaging the PTO.
To fix this issue, check the PTO clutch and linkage for any damage or wear. Replace any damaged components and adjust the linkage as needed.
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Final Words
The John Deere 6420 tractor comes with a 4.5L 4-cylinder diesel engine, 16-speed PowerQuad transmission, and a Category 2/3N 3-point hitch. It also has a comfortable cab with air conditioning, heating, and a digital instrument panel.
The John Deere 6420 tractor has a 4.5L 4-cylinder diesel engine with a maximum power output of 110 horsepower. It has a maximum speed of 25 mph and a fuel capacity of 70 gallons.
The John Deere 6420 tractor has a maximum power output of 110 horsepower.
The recommended maintenance schedule for the John Deere 6420 tractor can be found in the owner’s manual. It typically includes regular oil changes, filter replacements, and inspections of various components such as the brakes, tires, and electrical system.
To improve fuel efficiency on a John Deere 6420 tractor, check the air filter and fuel injectors for any clogs or damage. Replace any damaged components and clean the air filter to improve fuel efficiency.
To reset the code on a John Deere, first press the MENU button on the monitor for 5 seconds. The CODES will appear on the screen. Then, hit the SELECT button to see the machine and engine diagnostic codes. Make a note of the codes and proceed as follows: SELECT>END>SELCT>WAIT>SELECT. The codes will be cleared.
Wiring issues prevent John Deere from starting. Corroded or unplugged wires. A faulty battery prevents the John Deere tractor from starting. Thus, you must inspect the battery and its connections.
On a John Deere tractor, the blue I light is an alternator indicator light. It reveals whether or not the alternator is faulty. If you see the light is on, this indicates that the battery is impossible to charge.
The John Deere 6420 utility tractor was manufactured by John Deere in Mannheim, Baden-Württemberg, Germany from 2002 to 2006
the John Deere 6420 tractor includes an amber engine light, a red battery light, a red oil pressure light, a hydraulic warning light, yellow light in the middle, and a red 4 light at the top left, which can indicate various issues with the engine, STOP” light that indicates a serious malfunction, as well as a yellow “CAUTION” light that flashes to warn of specific malfunctions.
My name is Ranjitsinh Mantri founder of this blog and I am a full-time blogger writing is my passion. Just before 4 years ago We started this website in 2019 with my team to share our knowledge about tractor models and its prices guide on the internet.