| Manufacturer |
Belarus |
| Price |
14,500(USD) |
| Model |
420A |
| Equipment Type |
- |
| Factory |
Minsk, Belarus |
VARIANTS
NEBRASKA TRACTOR TEST 1638 2
| Description |
Diesel 11-speed 4WD May 11 - 21, 1990 Link: Nebraska Tractor Test 1638 file PTO performance Drawbar performance Gear 6 used for power test Gear 3 used for pull test |
| Power at rated engine speed |
50.68hp / 37.8kW |
| Fuel use |
3.1gal/hour / 11.7l/hour |
| Max power |
43.73hp / 32.6kW |
| Max pull |
7,435lbs / 3372kg |
BELARUS 420A POWER
| Engine |
57hp / 42.5kW |
| PTO (claimed) |
50hp / 37.3kW |
| Drawbar (tested) |
43.73hp / 32.6kW |
| PTO (tested) |
50.68hp / 37.8kW |
ENGINE DETAIL
The Belarus 420A, with its 4-cylinder air-cooled diesel engine and a displacement of 4.1L, delivers a rated power output of 57hp at 1800 RPM, making it suitable for moderate agricultural tasks. Its oil bath air cleaner enhances engine longevity by minimizing particulate intake, while the 16.5:1 compression ratio contributes to efficient fuel combustion and torque delivery. However, the air-cooling system may pose limitations in extremely hot operating conditions, potentially impacting durability during prolonged use.
| Description |
Belarus diesel 4-cylinder air-cooled |
| Displacement |
253.2ci / 4.1L |
| Bore/Stroke |
4.13x4.72inches / 105 x 120mm |
| Power |
57hp / 42.5kW |
| Air cleaner |
oil bath |
| Compression |
16.5:1 |
| Rated RPM |
1800 |
| Starter volts |
12 |
BELARUS 420A ENGINE
The Belarus 420A features a robust 4.1L 4-cylinder diesel engine, providing reliable torque for demanding agricultural tasks. Its moderate horsepower enables efficient field operations while maintaining fuel economy, although potential challenges include limited parts availability outside of Eastern Europe. Ideal for smaller farms or specialized tasks, it offers a solid balance of performance and cost-effectiveness for its class.
| Description |
Belarus 4.1L 4-cyl diesel |
TRANSMISSIONS OVERVIEW
The Belarus 420A tractor features an 8-speed transmission, which allows for effective torque management and operational flexibility in various field conditions. The optional 11-speed transmission enhances speed control and adaptability, facilitating improved performance in diverse agricultural tasks. A challenge may arise in mastering the gear selection, especially for operators accustomed to more common transmission configurations.
| Description |
8-speed 11-speed |
TRANSMISSION 1
The Belarus 420A tractor features a sliding gear transmission system, facilitating smoother transitions between gears, particularly beneficial in agricultural applications requiring variable speed management. The 8 forward and 6 reverse gears provide versatility for both fieldwork and maneuvering in tight spaces, enhancing operational efficiency. However, sliding gear systems may require more maintenance compared to synchromesh alternatives, and operators should be trained to manage gear shifts effectively to avoid potential damage.
| Transmission |
sliding gear |
| Gears |
8 forward and 6 reverse |
TRANSMISSION 2
The Belarus 420A tractor features an 11-speed forward and 8-speed reverse transmission, providing versatility for various agricultural tasks and terrains. The dry disc clutch offers reliable engagement but may require more frequent maintenance under heavy usage compared to hydraulic systems. Optimal for tasks requiring frequent direction changes, this tractor’s gear range can enhance productivity in both towing and fieldwork scenarios.
| Gears |
11 forward and 8 reverse |
| Clutch |
dry disc |
MECHANICAL
The Belarus 420A tractor features a 4x4 MFWD chassis, enhancing traction and stability on diverse terrains, which is advantageous for heavy-duty agricultural applications. Its power-assisted steering offers improved maneuverability, while the differential mechanical dry band brakes provide reliable stopping power, albeit potentially requiring more maintenance. The 8-speed to 11-speed transmission options facilitate optimal speed control for various farming tasks, allowing operators to adjust performance based on specific operational needs.
| Chassis |
4x4 MFWD 4WD |
| Steering |
power assist |
| Brakes |
differential mechanical dry band |
| Cab |
ROPS |
| Transmissions |
8-speed 11-speed |
CAPACITY
| Fuel |
18.5gal / 70.0L |
| Hydraulic system |
4.1gal / 15.5L |
HYDRAULICS
| Type |
open |
| Capacity |
4.1gal / 15.5L |
| Valves |
2 |
| Pump flow |
11.9gpm / 45.0lpm |
TRACTOR HITCH
| Rear Type |
II |
| Rear lift |
2,630lbs / 1192kg |
POWER TAKE-OFF (PTO)
| Rear PTO |
independent |
| Rear RPM |
540 |
BELARUS 420A TIRES
The Belarus 420A tractor is equipped with 8.00-20 front tires and 13.6-38 rear tires, providing a balanced weight distribution for enhanced stability and traction in various agricultural applications. Advantages include its capability to handle heavy implements due to the larger rear tire size, which improves ground contact and reduces soil compaction. However, the narrower front tires may pose challenges in soft or uneven terrain, potentially affecting steering efficiency and overall maneuverability.
| Ag front |
8.00-20 |
| Ag rear |
13.6-38 |
DIMENSIONS
| Wheelbase |
88.6inches / 225cm |
| Weight |
7,300lbs / 3311kg |
| Front tread |
53.1 to 71.1inches / 134 to 180cm |
| Rear tread |
54.1 to 72.4inches / 137 to 183cm |
DIMENSIONS & TIRES
The Belarus 420A tractor, with a wheelbase of 88.6 inches and a weight of 7,300 lbs, offers stability and solid traction for moderate fieldwork and transport duties. Its tire configuration, featuring front 8.00-20 and rear 13.6-38 sizes, provides good grip on varied terrains, enhancing plowing and tilling efficiency. However, the tractor's weight may limit maneuverability in tighter spaces, making it less suited for small-scale operations or intricate landscaping tasks.
| Wheelbase |
88.6inches / 225cm |
| Weight |
7,300lbs / 3311kg |
| Front tire |
8.00-20 |
| Rear tire |
13.6-38 |
420A SERIAL NUMBERS
| 1983 |
273449 |
| 1984 |
276391 |
| 1985 |
304013 |
| 1986 |
327204 |
| 1987 |
357102 |
| 1988 |
389751 |
| 1989 |
400329 |
ELECTRICAL
| Charging amps |
50 |
| Battery volts |
12 |
