The John Deere 420, 425,and 455, are either garden or agricultural tractors that are in the 400 Series of mowers. These models were preceded by the innovative John Deere 400 which reached the height of the market by offering power steering, and more horsepower on their tractors.
John Deere 420
The 420 was manufactured by John Deere from 1983 to 1991. It featured a rugged 20hp, 781cc. Onan 2-cycle gasoline engine and had a 6 ½ gallon fuel tank. It featured an electric independent front and rear PTO. It weighed around 915 lbs. The John Deere 420 had front tires 18 x 8 1/2-8 and rear tires 26 x 12-12. This model had a wheelbase of 52 inches and a 4 x 2 2WD chassis with hydrostatic power steering. This feature made the 400 Series stand out head over heels from the competition, as well as the horsepower of the engines. It took their competitors 5 years to come up with comparable results on the Cub Cadet. The 420 had an alternator and 12 volt battery.
John Deere 425
The 425 has a 20hp Kawasaki, V-twin, liquid-cooled engine with full-pressure lubrication. This model had a replaceable oil
filter, and power steering for good control. It had a cruise control feature that appeared standard. PTO hydraulics with tilt steering and hydrostatic transmission.
Heavy-duty frames were a feature that other brands did not have at the time. It had a 3 point hitch that was available as an option. The standard sized mower deck measured 54” on this model, but it had an option of purchasing a 48” or a 60” mower deck. It had no-clutch shifting and gave infinite ground speed control. The weight of this tractor was 955 lbs. (2WS), or 1050 lbs. (4WS).
*You can find manuals and parts catalogs on line if you are looking for a specific part, or maintenance kits.
John Deere 430
The John Deere 430 was in production from 1958 to 1960. It was available in several different versions. It sold originally in 1960 for about $2500. It featured three different types of fuel usage: a 2 cycle gas engine, a 2 cycle all-fuel model (10 ½ gal.tank), and a 2 cycle LP gas model (20 gal. Tank) It weighed about 3,250 lbs., with a front tire 5.00-15 and a rear tire measuring 9-24. It was available in row-crop,high-crop, utility, and crawler versions. It featured a 4 x 2 2WD chassis and a drawbar 27.1hp and a PTO of 29.2hp.
John Deere 455
The John Deere 455 had a 22hp Yanmar liquid-cooled diesel engine in it. It had 3 cylinders with a hydrostatic transmission.
Cruise control came standard on this model as well. It also came with the standard heavy-duty robotically welded frame. It had the tilt steering feature and weighed 1115 lbs.(2WS) or 1210 lbs. (AWS). The 455 also had the standard 54” deck with the same option of the 425 model of having a 48” or 60” deck.