Belarus
Belarus 420A
The Belarus 420A is a utility tractor produced from 1983 to 1997 as part of the 400A Series. It features a 4.1L 4-cylinder air-cooled diesel engine producing 57 hp, with options for 8-speed or 11-speed gear transmissions. The tractor is four-wheel drive with mechanical rear differential lock and power steering. It has a rear independent PTO with 540 rpm and a rear hitch with position and draft control. The 420A was built in Minsk, Belarus, and originally sold for $14,500 in 1997.
Power57 hp
Founded1983 - 1997
Model420A
Technical Specifications
Detailed specifications and technical data for Belarus 420A
Power
| Engine power | 57 hp (42.5 kW) |
|---|---|
| PTO (tested) | 50.68 hp (37.8 kW) |
| PTO (claimed) | 51 hp (38.0 kW) |
| Drawbar (tested) | 43.73 hp (32.6 kW) |
Tires
| Ag rear | 13.6-38 |
|---|---|
| Ag front | 8.00-20 |
| Rear tire | 13.6-38 |
| Front tire | 8.00-20 |
Engine
| Type | diesel |
|---|---|
| Power | 57 hp (42.5 kW) |
| Torque | 162 lb-ft (219.7 Nm) |
| Cooling | air-cooled |
| Cylinders | 4-cylinder |
| Rated RPM | 1800 |
| Torque RPM | 1350 |
| Air cleaner | oil bath |
| Bore/Stroke | 4.13x4.72 inches (105 x 120 mm) |
| Displacement | 253.2 ci (4.1 L) |
| Firing order | 1-3-4-2 |
| Manufacturer | Belarus |
| Starter volts | 12 |
| Compression ratio | 16.5:1 |
Capacity
| Fuel tank | 19.5 gal (73.8 L) |
|---|---|
| Hydraulic system | 4.1 gal (15.5 L) |
Variants
| 400A | 2WD ROPS |
|---|---|
| 405A | 2WD Cab |
| 420A | 4WD ROPS |
| 425A | 4WD Cab |
Dimensions
| Weight | 7300 lbs (3311 kg) |
|---|---|
| Wheelbase | 88.6 inches (225 cm) |
| Rear tread | 54.1 to 72.4 inches (137 to 183 cm) |
| Front tread | 53.1 to 71.1 inches (134 to 180 cm) |
Electrical
| Battery volts | 12 |
|---|---|
| Charging amps | 50 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Valves | 2 |
| Capacity | 4.1 gal (15.5 L) |
| Pressure | 2050 psi (141.3 bar) |
| Pump flow | 11.9 gpm (45.0 lpm) |
Mechanical
| ROPS | Four-post ROPS |
|---|---|
| Drive | Four-wheel drive |
| Brakes | Mechanical band brakes |
| Final drives | spur gear |
| Power steering | Yes |
| Differential lock | mechanical rear |
Production
| Type | Utility tractor |
|---|---|
| Series | 400A Series |
| Built in | Minsk, Belarus |
| Original price | $14,500 in 1997 |
| Years produced | 1983 - 1997 |
Transmission
| Type | gear |
|---|---|
| Clutch | dry disc |
| Options | 8-speed gear, 11-speed |
| Gears (8-speed) | 8 forward and 6 reverse |
| Gears (11-speed) | 11 forward and 8 reverse |
Tractor hitch
| Control | position and draft control |
|---|---|
| Rear Type | II |
| Rear lift capacity | 2990 lbs (1356 kg) |
420A Serial Numbers
| 1983 | 273449 |
|---|---|
| 1984 | 276391 |
| 1985 | 304013 |
| 1986 | 327204 |
| 1987 | 357102 |
| 1988 | 389751 |
| 1989 | 400329 |
| Location | Serial number plate on the rear of the tractor, on the toolbox. |
Power Take-off (PTO)
| Rear PTO | independent |
|---|---|
| Engine RPM | 540@1620 |
| Rear PTO Type | 540 (1.375) |