420 jd garden tractor

420 jd garden tractor DEFAULT

John Deere 420 is a 2WD garden tractor that enjoyed a rebirth between 1983 and 1991. This garden tractor is the second tractor in the 400 series seamlessly replacing JD 400 garden tractor. Other tractors in the 400 series include JD 425, JD 430, and JD 455.

The need for a tractor cannot be overemphasized, with many people gravitating towards less time-consuming plants like succulents and looking for means to take care of their garden without spending their whole day in their garden. Tractors like JD 420 with attachments that can handle various garden needs are in high demand.

I’m going to be dissecting the John Deere 420 garden tractor showing you its parts and their specs, its pros and cons, as well as its going price today. Keep on reading.

History of John Deere 420

The company released John Deere 420 in 1956 as an all-purpose tractor capable of handling everything thrown at it. Fifty-five thousand tractors were produced in two years before John Deere discontinued it in 1958.

This utility tractor had fleets in several configurations, including standard, utility, crawler version general-purpose, hi-crop, and special configurations. All the different fleets had unique wheel configurations.

Twenty-five years after the first JD 420 tractor discontinued, it was reborn as a garden tractor as part of the JD 400 series. Its production lasted for eight years between 1983 and 1991. This rebirth sports several modifications, which quickly made it a fan favorite even to this day.

General Specification

ModelJohn Deere 420
Engine20HP Onan 781cc 2-cyl gasoline
Fuel Capacity6.5 gal
24.6 L
Battery12V BCI Group 22F
Rear PTOIndependent
Rear RPM2000
Front PTOIndependent
Front RPM3400
Cabin TypeOpen operator station
John Deere 420 attachments50" mid-mount mower deck
60" mid-mount mower deck
front-end loader

John Deere 420 is a massive tractor, which is evident by its 899 lbs weight. It has a height of 47.4 in, a width of 51.6 in, and 77 in. This tractor seamlessly replaced the JD 400 by modifying some of the issues with the first JD 400 series tractor like its sound. JD 420 can work with less noise.

Features of John Deere 420

In this section, I will be showing you some critical JD 420 parts, its specification, and how it can affect your work in the garden. Without further ado, let’s jump right in.


john deere 420

Onan B48G engine was first used from 1983 through to 1986. It is a 2-cylinder air-cooled gasoline engine with a displacement of 781 cc. Its stroke is 3.25×2.875 inches. When it comes to horsepower, this Engine sports a 20 horsepower capacity, something not many lawn tractors can boast of having. This Engine is 3500 rpm rated, with idle rpm between 100-3450. It is a12 volts engine like most other tractor engines.

In 1987, John Deere replaced the Engine with a better Onan P220G 2-cylinder air-cooled gasoline engine. It is powered with the same 20 HP but with a higher rpm rating of 3600.

Transmission and Chassis

This tractor has a chassis of 4×2 2WD while the transmission is a hydrostatic shaft-driven type; its model is Sundstrand 90, the same used in JD 430. Its hydrostatic powered steering makes controlling this big machine a lot easier. For the braking system, it is shoe and drum brakes on the rear wheel.

Its powerful HP allows it to generate a forward speed of up to 12.4 km h and a reverse speed of 6.2 km h. It also sports a similar transmission oil capacity of 7.1 L with JD 430.


features of john deere 420

Tires are essential parts of a tractor, especially a heavy one like JD 420. While its tires are large to accommodate for its weight, they can work without leaving annoying tire marks on your field.

The threads for the front tires are 36 inches while the threads of the rear tires (narrow) are 32 inches, rear tires threads (wide) are38.6 inches. The standard front tires (turf) are 18 × 8.50-8, 4PR, while the standard rear tires (turf or bar) is 26 × 12.00-12, 2 PR. For the inflation pressure, the front is 6-22 psi, and the rear is 5-10 psi.

PTO (Power Take-Off Shaft)

Without the PTO, there won’t be a transfer of energy from the Engine to the attachments. Now you know how vital the PTO is if you want to use your tractor for many things.

It’s front and rear PTOs are both independent with an electric clutch. Its front PTO speed is 3450 rpm while its rear PTO speed is 2000 rpm.


john deere 420 review

John Deere 420 tractor can use attachments like 50″ mid-mount mower deck, 60″ mid-mount mower deck, blade, tiller, front-end loader, snow blower, among several other attachments. This is possible because of its 3 point hitch (front, mid and back hitches)


The parts of JD 420 may be tricky to get, but that does not mean we can’t obtain them. You can get the parts directly from the manufacturer (John Deere) and Onan for engine parts. You can quickly get the operator’s manual from online stores.

Pros of John Deere 420

Here are some reasons you should get a John Deere 420 garden tractor.

  • Massive horsepower:  lawn tractors at 10 HP pride themselves as having an immense engine power. You can imagine how JD 420 compares to them with an engine power of 20 HP. This helps it handle your garden needs without issues.
  • Reserve tank: this tractor sports a reserve tank that can give you up to 30 minutes of work time before running out. This means you can complete that task even after the fuel runs out. You’re never stranded with this tractor.
  • Annunciator Light: this light is located on the dashboard and aids you while working at night.
  • More speed: its massive power means more speed, which means you complete your work in less time.
  • Hydrostatic power steering: this is a fluid type of steering that makes control easy and fun.

Cons of John Deere 420

  •  Hand drive control:  hand drive control is a lot harder to navigate. The foot control system that the JD 455 carries is a better alternative.
  • Too big: JD 420 is no small tractor, and this means it is a lot harder to navigate in tight spaces

Price of JD 420 

john deere 420 specification

John Deere 420 was sold for $3,200 on its first release in 1956. At its rebirth, the price was $7,700. All these were prices for a brand new tractor. But what is the cost of a used tractor today?

You can get a decent JD 420 garden tractor today for around $7,000. It is essential you carefully check the machine’s condition before negotiating as that will determine the actual worth.

Final Words

Is John Deere 420 garden tractor worth the hype? I’ll tell you this; this tractor is one of the best in the 80s/90s. You have a powerful 20 HP, settling your Garden needs. If you don’t mind a big tractor then, you should get this tractor if the opportunity presents itself.

Sours: https://www.igra-world.com/john-deere-420/


John Deere 420 Price, Specs, Review, Horsepower, Serial Numbers, Attachments, Weight, Engine Oil Capacity, & Pictures 

John Deere 420 Specs, Price, Review: John Deere 420 Garden Tractor is equipped with an Onan B48G gasoline 2-cylinder air-cooled opposed-twin, 781cc engine, which delivers 20 hp (14.9 kW) power.

John Deere 420 Garden Tractor featured with 20HP Onan 781cc 2-cyl gasoline engine, 4×2 2WD chassis, power steering, differential mechanical drum brakes, shaft-driven hydrostatic transmission, and 993 lbs weight.

John Deere 420 Garden Tractor attachments include 50″ mid-mount mower deck, 60″ mid-mount mower deck, Snowblower, Blade, and Front-end loader.

John Deere 420 Garden tractor is capable of using plows, tillers, or other ground-engaging attachments.

Now, let’s find out the John Deere 420 Garden Tractor Price, Parts Specs, Reviews, Serial numbers & Images.

Also Check Here :

John Deere 420 Price

John Deere 420 Garden Tractor Price, Specs, Review & Attachments

John Deere 420  Original Price: $7,700 (1992 )

John Deere 420 Serial Number


John Deere 420 Specs

John Deere 420 Engine:

EngineOnan B48G gasoline

2-cylinder air-cooled opposed-twin

Displacement781 cc
47.7 ci
Bore/Stroke3.25×2.875 inches
83 x 73 mm
Power20 hp
14.9 kW
Air cleanerfoam and paper
Rated RPM3500
Idle RPM1000-3450
Starter volts12

John Deere 420 Mechanical

Chassis4×2 2WD
Differential lockmechanical rear
Brakesdifferential mechanical drum
CabOpen operator station.

John Deere 420 PTO

Rear PTOindependent
Rear RPM2000
Front PTOindependent
Front RPM3400

John Deere 420 Transmission

TransmissionSundstrand 90
Typeshaft-driven hydrostatic
Gearsinfinite forward and reverse (2-range)
Oil capacity7.5 qts
7.1 L
Oil type

John Deere 420 Dimensions

Wheelbase52 inches
132 cm
Length77 inches
195 cm
Width51.5 inches
130 cm
Height47.5 inches
120 cm
Shiping weight993 lbs
450 kg
Front tread36 inches
91 cm
Rear tread32/38.6 inches
81/98 cm

John Deere 420 Tires

Ag front4.80×4.00-8
Ag rear23×10.50-12
Lawn/turf front18×8.50-8
Lawn/turf rear26×12.00-12

John Deere 420 Electrical

Charging systemalternator
Charging amps20
Battery volts12
Battery GroupBCI 22F

John Deere 420 Attachments

Attachment overview
50″ mid-mount mower deck
60″ mid-mount mower deck
Front-end loader
John Deere 44 Loader
Loader weight500 lbs
226 kg
Height (to pin)73 inches
185 cm
Clearance, dumped bucket53.25 inches
135 cm
Dump reach22 inches
55 cm
Dump angle50°
Reach at ground43.75 inches
111 cm
Rollback angle20°
Breakout force (bucket)725 lbs
328 kg
Lift to full height (at pin)500 lbs
226 kg
Bucket capacity0.21 cu yd
0.2 cu m
0.24 cu yd
0.2 cu m
Bucket width45,54 inches
11567 cm

John Deere 420 Review Video

Final Words

That was all about the John Deere 420 Garden Tractor Price, Specs, Review and Key Features, but if you have any query regarding this post, then please comment below in the comment box, We will solve your problem as soon as possible, thanks for visiting our site and stay tuned to our site for more new stuff like this.

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Categories John DeereSours: https://tractorsinfo.net/john-deere-420/
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John Deere 420

References420 reference literatureOperators Manual 316, 318 and 420 Lawn and Garden Tractors (OM-M79655) published in 1983, by John DeereOperator's Manual 316, 318 and 420 Lawn and Garden Tractors (OM-M87709) published in 1984, by John DeereLawn & Garden Tractors published in 1984, by John DeereLawn & Garden Tractors published in 1985, by John DeereLawn & Garden Tractors published in 1986, by John DeereLawn & Garden Tractors published in 1988, by John DeereLawn & Garden Equipment published in 1990, by John DeereLawn & Garden Tractors published in 1990, by John DeereLawn & Garden Tractors published in 1991, by John DeereTechnical Manual 316, 318 and 420 Lawn and Garden Tractors published in 1995, by John Deere
Sours: https://www.tractordata.com/lawn-tractors/000/0/4/42-john-deere-420.html
John Deere 420 Classic Garden Tractor Snow Plowing 12 17 2020


Tractor 420 jd garden


SOLD: John Deere 420 (60”) Garden Tractor with Rear PTO and Front Blade


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