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Tractor · 1983Unverified

Belarus 420A

Name: Belarus 420A
Brand: Belarus

Belarus 420A — 400A Series · 51 hp. Reference specifications; pending source verification.

The Belarus 420A is a tractor with a power output of approximately 51 horsepower, categorising it as a lighter model in its class. Production of the 420A spanned from 1983 to 1997. It is equipped with a 4-cylinder diesel air-cooled engine, combined with four-wheel drive and an 8-speed gearbox. Its operating weight is 3311 kg, and it is suitable for operations covering up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

51 hp

Max power

32.6 kW

Weight

3311 kg

Catalogue coverage

Variants represented

Richest spec table

81 rows

Recorded power

51 hp

Recorded weight

3311 kg

Transmissions

8-speed gear

Production years

1983-1997

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerBelarusReference

Utility tractorReference

Built in Minsk, BelarusReference

Original price was $14,500 in 1997Reference

Four-wheel driveReference

Final drivesspur gearReference

Differential lockmechanical rearReference

Power steeringReference

Mechanical band brakesReference

Four-post ROPS.Reference

Variants

400A2WD ROPSReference

405A2WD CabReference

420A4WD ROPSReference

425A4WD CabReference

Engine

Belarus 4.1L 4-cyl dieselReference

Engine42.5 kWReference

Drawbar (tested)32.6 kWReference

BelarusReference

dieselReference

4-cylinderReference

air-cooledReference

Displacement4.1 LReference

Bore/Stroke105 x 120 mmReference

Power42.5 kWReference

Air cleaneroil bathReference

Compression16.5:1Reference

Rated RPM1800Reference

Torque219.7 NmReference

Torque RPM1350Reference

Firing order1-3-4-2Reference

Starter volts12Reference

Power at rated engine speed37.8 kWReference

Max power32.6 kWReference

Transmission

8-speed gearReference

11-speedReference

TypegearReference

Gears8 forward and 6 reverseReference

Clutchdry discReference

Gears11 forward and 8 reverseReference

PTO & Hydraulics

PTO (claimed)38.0 kWReference

PTO (tested)37.8 kWReference

Hydraulic system15.5 LReference

Typeopen centerReference

Capacity15.5 LReference

Pressure141.3 barReference

Valves2Reference

Pump flow45.0 lpmReference

Rear TypeIIReference

Controlposition and draft controlReference

Rear lift (at ends)1356 kgReference

Rear PTOindependentReference

Rear PTO Type540 (1.375)Reference

Engine RPM540@1620Reference

Capacities

Fuel73.8 LReference

Dimensions

Wheelbase225 cmReference

Weight3311 kgReference

Front tire8.00-20Reference

Rear tire13.6-38Reference

Ag front8.00-20Reference

Ag rear13.6-38Reference

Front tread134 to 180 cmReference

Rear tread137 to 183 cmReference

420A Serial Numbers

Location:Serial number plate on the rear of the tractor, on the toolbox.Reference

1983273449Reference

1984276391Reference

1985304013Reference

1986327204Reference

1987357102Reference

1988389751Reference

1989400329Reference

FAQ: How to read a serial number table.Reference

Electrical

Charging systemalternatorReference

Charging amps50Reference

Battery volts12Reference

Test results

Diesel 11-speed 4WDMay 11 - 21, 1990Link: Nebraska Tractor Test 1638 fileReference

PTO performanceReference

Fuel use11.7 l/hourReference

Drawbar performanceReference

Gear 6 used for power test.Reference

Max pull3372 kgReference

Gear 3 used for pull test.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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