Production
| Description | Utility tractor / Built in Minsk, Belarus / Original price was $14,500 in 1997 |
|---|---|
| Manufacturer | Belarus |
Engine
| Engine type | Belarus 4.1L 4-cyl diesel |
|---|---|
| Air cleaner | oil bath |
| Bore/Stroke | 4.13x4.72 inches (105 x 120 mm) |
| Compression | 16.5:1 |
| Description | Belarus / diesel / 4-cylinder / air-cooled |
| Displacement | 253.2 ci (4.1 L) |
| Firing order | 1-3-4-2 |
| Power | 57 hp (42.5 kW) |
| Rated RPM | 1800 |
| Starter volts | 12 |
| Torque | 162 lb-ft (219.7 Nm) |
| Torque RPM | 1350 |
| Drawbar (tested) | 43.73 hp (32.6 kW) |
| PTO (claimed) | 51 hp (38.0 kW) |
| PTO (tested) | 50.68 hp (37.8 kW) |
Transmission
| Clutch | dry disc / dry disc |
|---|---|
| Gears | 8 forward and 6 reverse / 11 forward and 8 reverse |
| Type | gear |
| Transmission type | 8-speed gear / 11-speed |
| Transmission type | 8-speed gear / 11-speed |
Mechanical
| Description | Power steering / Mechanical band brakes / Four-post ROPS. |
|---|---|
| Differential lock | mechanical rear |
| Drive type | Four-wheel drive |
| Final drives | spur gear |
Capacity
| Fuel | 19.5 gal (73.8 L) |
|---|---|
| Hydraulic system | 4.1 gal (15.5 L) |
Hydraulics
| Capacity | 4.1 gal (15.5 L) |
|---|---|
| Pressure | 2050 psi (141.3 bar) |
| Pump flow | 11.9 gpm (45.0 lpm) |
| Type | open center |
| Valves | 2 |
Hitch
| Control | position and draft control |
|---|---|
| Rear lift (at ends) | 2990 lbs (1356 kg) |
| Rear Type | II |
PTO
| Engine RPM | 540@1620 |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540 (1.375) |
Electrical
| Battery volts | 12 |
|---|---|
| Charging amps | 50 |
| Charging system | alternator |
Dimensions & Tires
| Ag front | 8.00-20 |
|---|---|
| Ag rear | 13.6-38 |
| Front tread | 53.1 to 71.1 inches (134 to 180 cm) |
| Rear tread | 54.1 to 72.4 inches (137 to 183 cm) |
| Weight | 7300 lbs (3311 kg) |
| Wheelbase | 88.6 inches (225 cm) |
| Front tire | 8.00-20 |
| Rear tire | 13.6-38 |
| Weight | 7300 lbs (3311 kg) |
| Wheelbase | 88.6 inches (225 cm) |
420A Serial Numbers
| 1983 | 273449 |
|---|---|
| 1984 | 276391 |
| 1985 | 304013 |
| 1986 | 327204 |
| 1987 | 357102 |
| 1988 | 389751 |
| 1989 | 400329 |
| Description | FAQ: How to read a serial number table. |
| Location: | Serial number plate on the rear of the tractor, on the toolbox. |
Nebraska Tractor Test 1638
| Description | Diesel 11-speed 4WDMay 11 - 21, 1990Link: Nebraska Tractor Test 1638 file / PTO performance / Drawbar performance / Gear 6 used for power test. / Gear 3 used for pull test. |
|---|---|
| Fuel use | 3.1 gal/hour (11.7 l/hour) / 3.1 gal/hour (11.7 l/hour) |
| Max power | 43.73 hp (32.6 kW) |
| Max pull | 7,435 lbs (3372 kg) |
| Power at rated engine speed | 50.68 hp (37.8 kW) |
References
| Description | 400 Series published in 1996, by Belarus / 420/400AN published by Belarus / 400A/420A published by Belarus |
|---|
Variants
| 400A | 2WD ROPS |
|---|---|
| 405A | 2WD Cab |
| 420A | 4WD ROPS |
| 425A | 4WD Cab |