John Deere 420 History, Photos, Specs, Price, Weight & Review
The John Deere 420, produced from 1956 to 1958, was a versatile utility tractor available in various configurations. Manufactured by John Deere in Dubuque, Iowa, USA, the 420 came with multiple options, including the 420W row-crop utility, 420T tricycle, 420C crawler, 420U utility, 420S standard, and 420I special utility versions, each designed with different wheel setups.
The tractor was equipped with various engines, such as the John Deere 1.9L 2-cylinder gasoline, all-fuel, and LP gas engines. Its fuel tank capacity ranged from 10.5 gallons for gasoline to 20 gallons for LP gas.
The transmissions included a 4-speed and 5-speed unsynchronized gear system.
In terms of power, the John Deere 420 delivered approximately 26.15 horsepower on the drawbar and 28.31 horsepower on the belt. It was a two-wheel drive tractor with optional power steering and an open operator station.
The 420 featured a variety of tire options, with a weight of 3250 pounds. Its rear power take-off (PTO) had live transmission functionality and operated at 540 RPM. The serial numbers for the 420 range from 80001 in 1956 to 127782 in 1958.
Overall, the John Deere 420 utility tractor stood out for its adaptability and broad range of applications, making it a popular choice among farmers during its production years.
John Deere 420 Price
jd 420 Original price – $ 7,700
The average price range for John Deere 420 tractors is around $7,000. However, the prices can vary depending on the condition, location, and other factors.
John Deere 420 Specs
Here are the specifications of the John Deere 420 tractor:
Production
Manufacturer | John Deere |
Original price | $6,489 (1983 ) |
Variants
420W | row-crop utility |
420T | tricycle |
420C | crawler |
420U | utility |
420S | standard |
420I | special utility |
John Deere 420 Serial Numbers
Year | Serial Numbers |
1956 | 80001 |
1957 | 107813 |
1958 | 127782 |
John Deere 420 Engine Detail
John Deere 1.9L 2-cyl gasoline |
|
Displacement | 113 ci 1.9 L |
Bore/Stroke | 4.25×4.00 inches 108 x 102 mm |
Air cleaner | oil bath |
Compression | 7:1 |
Rated RPM | 1850 |
Firing order | 1-2 |
Starter volts | 6 |
Coolant capacity | 11 qts 10.4 L |
John Deere 1.9L 2-cyl all-fuel |
|
Displacement | 113 ci 1.9 L |
Bore/Stroke | 4.25×4.00 inches 108 x 102 mm |
Air cleaner | oil bath |
Compression | 5.15:1 |
Rated RPM | 1850 |
Firing order | 1-2 |
Starter volts | 6 |
John Deere 1.9L 2-cyl LP gas |
|
Displacement | 113 ci 1.9 L |
Bore/Stroke | 4.25×4.00 inches 108 x 102 mm |
Air cleaner | oil bath |
Rated RPM | 1850 |
Firing order | 1-2 |
Starter volts | 6 |
John Deere 420 Transmission
Manufacturer | John Deere |
Type | unsynchronized gear |
Gears | 4 forward and 1 reverse |
Transmission | |
Manufacturer | John Deere |
Type | unsynchronized gear |
Gears | 5 forward and 1 reverse |
John Deere 420 Horsepower
Belt power (max) | 28.31 hp 21.1 kW |
Belt fuel use (max) | 2.6 gal/hour 9.8 l/hour |
Max power | 26.15 hp 19.5 kW |
Max pull | 3,790 lbs 1719 kg |
Tractor hitch
Rear Type | I |
Power Take-off (PTO)
Rear PTO | transmission |
Rear RPM | 540 |
John Deere 420 Dimensions & Weight
Length | 114.75 inches 291 cm |
Width | 55.5 inches 140 cm |
Height | 58.75 inches 149 cm |
Weight | 3250 lbs 1474 kg |
John Deere 420 Tires |
|
Ag front | 5.00-15 |
6.00-16 | |
7.50-16 | |
7.50-10 (single) | |
Ag rear | 9-24 |
10-24 | |
11-24 | |
11-26 | |
12-26 | |
13-26 | |
12-28 | |
10-34 | |
10-38 (hi-crop) | |
11-38 (hi-crop) |
John Deee Official Website: Click Here
John Deere 420 Problems
The John Deere 420 is a reliable yard tractor that is very popular. But, like any other machine, it can break down over time. The following are some of the most usual issues with the John Deere 420:
- Oil leaks: The John Deere 420 is prone to oil leaks from the engine, transmission, and hydraulic system. These leaks can be caused by worn seals and gaskets, or by loose or damaged connections.
- Engine problems: The John Deere 420 is powered by a Kohler Command engine. These engines are known to be reliable, but they can develop problems such as overheating, misfires, and poor fuel economy.
- Electrical problems: The John Deere 420 is equipped with a number of electrical components, such as the starter, alternator, and lights. These components can develop problems such as corrosion, loose connections, and blown fuses.
- Transmission problems: The John Deere 420 is equipped with a hydrostatic transmission. These transmissions are known to be reliable, but they can develop problems such as leaks, low fluid levels, and slipping gears.
- PTO problems: The John Deere 420 is equipped with a PTO (power take-off) that can be used to power attachments such as a mower or a snow blower. The PTO can develop problems such as slipping gears, loose connections, and worn bearings.
John Deere 420 Review Video
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Conclusion
Our discussion of the John Deere 420 price, features, evaluation, and specifications is now complete. Please leave a comment below if you have any questions concerning this post, and we will respond to you as soon as we can.
FAQs
The John Deere 420 is a tractor model produced by John Deere from 1956 to 1958. It was known for its versatility and came in various configurations, including row-crop utility, tricycle, crawler, utility, standard, and special utility.
The John Deere 420 was powered by a 1.9L 2-cylinder engine, which had three fuel options: gasoline, all-fuel, and LP gas. This engine provided reliable performance for various tasks.
The John Deere 420’s power output varied depending on the configuration. It had a drawbar-tested power of 26.15 hp and a belt-tested power of 28.31 hp, making it suitable for a wide range of tasks.
The John Deere 420 featured options like manual steering (with power steering available), a variety of tire sizes, live transmission for the Power Take-off (PTO), and an open operator station for comfortable operation.
The serial number of the John Deere 420 is located on the left side of the tractor, specifically on the clutch housing. This serial number helps identify the manufacturing year and other details.
The John Deere 420 operated on a 6-volt positive ground electrical system. This system powered the tractor’s electrical components, contributing to its overall functionality and performance.

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.