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John Deere 420 Tractor For Sale, Price, Specs, Review, Overview

Are you searching for John Deere 420 tractor History, price, and Specs? So, you have arrived at the right place, cause here in this post, you can get the full details about the John Deere 420 tractor like its history, engine, specification, price, transmission, parts, capacity, PTO, dimensions, electrical system, etc. Find out below.

John Deere 420 was the utility tractor with live 3 points. 420 model replaced the 40 John Deere tractors in 1956. The 420 was designed from 1956 to 58. Production of the John Deere 420 started in October of 1955 for the 56 model year and continued until October 1958.

John Deere 420 Tractor Overview

The total mass production of John Deere 420 Tractor was in a huge amount of 55,000. There were three types of models were produced for 420’s corresponding to the 3 years manufactured.

Its engine was more powerful and fuel-efficient with a 2-cylinder. The increase in compression and the resulting heat was too much for the cooling system. John Deere 420’s engine produces 28hp of great power. Its rated RPM is 1850.

The engines used for the 420 tractors were primarily the same as those on the 40 but in addition to an increase in power of about 20%. Bore and stroke were 4.25 x 4.00, Displacement of 113 ci, 1850 rpm, compression ratio of 5.2 to 1, and 27.1 drawbars and 29.2 belt horsepower.

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 John Deere 420 Price

John Deere 420 Tractor Price

Price: $4,500 (1956)

John Deere 420 Key Facts

  • Engine Output – 20 hp 14.9 kW
  • Engine – Onan B48G gasoline 2-cylinder engine
  • weight: 3250 lbs 1474 kg
  • Horsepower: 26.15 hp 19.5 kW
  • Dig depth – 152 mm (6 in)
  • fuel Tank capacity: 25.0 liters (6.6 US gal.; 5.5 Imp. gal)
  • Engine oil capacity: 1.75 qts 1.7 L

John Deere 420 Tractor specifications

John Deere 420 Tractor specifications


John Deere 420 Model History

Manufacturer John Deere
Factory Dubuque, Iowa
Model Introduced 1956
Model Discontinued 1958
No. Produced 55,000


Engine make John Deere
Fuel type Gasoline/All-fuel/LP
No. of Cylinders 2
Power 21 kW
Power (Drawbar) 20.31 HP
Power (Belt) 24.83 HP
Governed RPM 1850 rpm
Displacement 113 ci
Bore 4.25 in
Stroke 4.00 in
Cooling system Water


Type Unknown
Forward 4
Reverse 1
Drive 2WD


Fuel 10.5 Gal. (20 LP gas)
Cooling 11 Qt.

Power Take-off (PTO)

3-Point Category-I
Type Transmission (live optional on 5-speed)
Speeds 540 rpm


Ag front 5.00-15
Ag rear 9-24

Weight and dimensions

Weight 3,250 pounds
Length 114.75 inches
Width 55.5 inches
Height 58.75 inches
Wheelbase 52 inches


Type 6-volt positive ground

 John Deere 420 Serial Numbers

John Deere 420 Serial Numbers

  • 1956: 80001
  • 1957: 107813
  • 1958: 127782

 John Deere 420 Tractor Review

The John Deere 420 tractor is a favored small tractor known for its dependability, versatility, and user-friendliness. It’s a smart choice for various jobs like mowing, landscaping, and snow removal.

For more details check out the YouTube video

John Deere 420 Attachments

  1. Mower deck: The 420 tractor is compatible with a 60-inch mower deck, making it easier to handle larger lawns and fields.
  2. 3-point hitch: The 3-point hitch is a versatile attachment that allows you to connect and operate a variety of implements such as ploughs, harrows, cultivators, and more.
  3. Rotary cutter: A rotary cutter (or brush hog) can be attached to the 420 tractor, allowing you to cut dense brush and overgrowth.
  4. Snow blower: A snow blower attachment can be used to clear snow from driveways and sidewalks during the winter months.
  5. Backhoe: A backhoe attachment can be added to the tractor, allowing you to dig holes, remove tree stumps, and perform other excavating tasks.
  6. Cultivator: A cultivator attachment can be used to prepare soil for planting, as well as to weed and rake between rows of crops.


That’s all about the John Deere 420 information, that all kinds of information are reliable and genuine, it is very helpful to you for buying or selling this tractor but if you have any questions about this post, then please comment for us. I’ll try my best to assist you as quickly as possible. Thank’s. Visit our Website at for additional Details.

John Deere 420 Tractor – FAQ

What year is a John Deere 420 tractor?

John Deere 420 is a 2WD garden tractor which rebirth between 1983 and 1991

How much horsepower is a 420 John Deere?

John Deere 420 is a 2WD garden tractor Drawbar (tested) is 26.15 hp 19.5 kW and the Belt (tested) is 28.31 hp 21.1 kW

What engine does a John Deere 420 have?

John Deere 420 is a 2WD garden tractor using an Onan B48G engine model whose Displacement is 781 cc 47.7 ci, Bore/Stroke is 3.25×2.875 inches 83 x 73 mm, and Power is 20 hp 14.9 kW.

Does a John Deere 420 have power steering?

Yes, The John Deere 420 is a 2WD garden tractor that has a Power Steering

What does a John Deere 420 Crawler weight?

John Deere 420 is a 2WD garden tractor Weight (nominal) lb/kg is 4,140 to 4,700 lbs

Where can I buy a John Deere 420 Tractor?

John Deere 420 Tractors can be purchased through various channels, including auction sites, dealerships and online marketplaces.

Are there any dealerships that sell John Deere 420 Tractors?

Yes, there are dealers offering John Deere 420 Tractors. You can check with your local John Deere dealership or search online to locate one nearby.

Can I buy a John Deere 420 Tractor online?

Yes, it is possible to buy a John Deere 420 Tractor online through various websites like Tractor Zoom, Mutton Power Equipment and AllSurplus.

Are there any auction sites that sell John Deere 420 Tractors?

Yes, there are auction sites offering John Deere 420 Tractors for sale such as and Pifer’s Auction & Realty.

Can I buy parts for my John Deere 420 Tractor?

Yes, parts for your John Deere 420 Tractor are available from John Deere dealerships or online parts dealers.

Where can I find a manual for my John Deere 420 Tractor?

Your John Deere 420 Tractor can be found online by searching “Parts & Services” section or you may contact your local dealership.

How much does a John Deere 420 Tractor cost?

Cost estimates of John Deere 420 Tractors can differ depending on its condition, age and location. Dealerships or auction sites should provide accurate information.

Are there any financing promotions available for John Deere 420 Tractors?

Yes, financing promotions may be available for John Deere 420 Tractors. Check with your local dealership or search online to identify such promotions.

How do I know if a used John Deere 420 Tractor is in good condition?

Checking a used John Deere 420 Tractor requires inspecting it yourself or having it professionally inspected, checking its maintenance records, and asking any known sellers of known issues with regard to this model tractor.

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