Belarus 420A

Belarus 420A Technical Specifications

Belarus 420A is a Row-Crop tractor that was produced by the John Deere between 1983 – 1997.

Below you will find detailed technical specifications for Belarus 420A covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

Belarus 420A Production

Manufacturer: Belarus
Factory: Minsk, Belarus
Original price: $14,500 (1997)

Belarus 420A Power

Engine: 57 hp
42.5 kW
PTO (claimed): 50 hp
37.3 kW
Drawbar (tested): 43.73 hp
32.6 kW
PTO (tested): 50.68 hp
37.8 kW

Belarus 420A Electrical

Charging amps: 50
Battery volts: 12

Belarus 420A Mechanical

Chassis: 4×4 MFWD 4WD
Steering: power assist
Brakes: differential mechanical dry band
Cab: ROPS.
Transmissions: 8-speed


Fuel: 18.5 gal
70.0 L
Hydraulic system: 4.1 gal
15.5 L


Type: open
Capacity: 4.1 gal
15.5 L
Valves: 2
Pump flow: 11.9 gpm
45.0 lpm

Tracktor Hitch

Rear Type: II
Rear lift: 2,630 lbs
1192 kg

Power Take-off (PTO)

Rear PTO: independent
Rear RPM: 540

Belarus 420A Engine detail

Engine Detail
Displacement: 253.2 ci
4.1 L
Bore/Stroke: 4.13×4.72 inches
105 x 120 mm
Power: 57 hp
42.5 kW
Air cleaner: oil bath
Compression: 16.5:1
Rated RPM: 1800
Starter volts: 12

Belarus 420A Transmission overview

Engine Oil

Transmission: sliding gear
Gears: 8 forward and 6 reverse

Belarus 420A Dimensions

Wheelbase: 88.6 inches
225 cm
Weight: 7,300 lbs
3311 kg
Front tread: 53.1 to 71.1 inches
134 to 180 cm
Rear tread: 54.1 to 72.4 inches
137 to 183 cm

Belarus 420A Tests

Nebraska Tractor Test 1638

Nebraska Tractor Test 1638
Diesel 11-speed 4WD
May 11 – 21, 1990
Link: Nebraska Tractor Test 1638 file
PTO performance
Power at rated engine speed: 50.68 hp
37.8 kW
Fuel use: 3.1 gal/hour
11.7 l/hour
Drawbar performance
Max power: 43.73 hp
32.6 kW
Fuel use: 3.1 gal/hour
11.7 l/hour
Gear 6 used for power test.
Max pull: 7,435 lbs
3372 kg
Gear 3 used for pull test.


Is Belarus 420A a good tractor?

The Belarus 420A is one of the great tractors in the Belarus stable, and it has earned Belarus a fantastic reputation.

How much oil does a Belarus 420A take?

Check out the Belarus 420A oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year Belarus made the ?

The Belarus 420A was an agricultural tractor model made from 1983 – 1997

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