Belarus 8021
The Belarus 8021 is a tractor produced by Belarus. It is equipped with a 289.8 ci 4.7 L engine. The listed engine power is Diesel (listed): 81 hp / 60.4 kW. Transmission: 14 forward and 4 reverse.
Engine Power
Diesel (listed): 81 hp / 60.4 kW
Fuel & Capacities
34 gal
128.7 L
Transmission
14 forward and 4 reverse
Overview
 | 1998 - 1999
8000 Series |
|---|
Production | |
|---|---|
Manufacturer | Belarus |
Built in Minsk, Belarus | |
Belarus 8021 Engine | |
|---|---|
Belarus 4.7L 4-cyl diesel | |
Engine details ...  |
Belarus 8021 Transmission | |
|---|---|
14-speed | |
Transmission details ...  |
Belarus 8021 Power | |
|---|---|
Engine | 81 hp
60.4 kW |
PTO (claimed) | 75 hp
55.9 kW |
Mechanical |
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Capacity | |
|---|---|
Fuel | 34 gal
128.7 L |
Hydraulic system | 5.75 gal
21.8 L |
Hydraulics | |
|---|---|
Type | open |
Capacity | 5.75 gal
21.8 L |
Valves | 2 |
Pump flow | 12 gpm
45.4 lpm |
Tractor hitch | |
|---|---|
Rear Type | II |
Rear lift | 4366 lbs
1980 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540,1000 |
Dimensions & Tires | |
|---|---|
Wheelbase | 93.7 inches
237 cm |
Front tire | 6.5-16 |
Rear tire | 14.9-30 |
Full dimensions and tires ...  | |
Engine
Engine Detail — 289.8 ci / 4.7 L Diesel
Manufacturer | Belarus |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 289.8 ci
4.7 L |
Bore/Stroke | 4.33x4.92 inches
110 x 125 mm |
Power | 81 hp
60.4 kW |
Coolant capacity | 18 qts
17.0 L |
Transmission
Transmission — 14 forward and 4 reverse
Gears | 14 forward and 4 reverse |
Dimensions
Belarus 8021 Tires | |
|---|---|
Ag front | 6.5-16 |
Ag rear | 14.9-30 |
Dimensions | |
|---|---|
Wheelbase | 93.7 inches
237 cm |
Recommended Implements & Sizing Guide
Engineering recommendations for Belarus 8021 based on its 81 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 3 to 4 Bottom (16")3 - 4 铧 (40 cm) | Heavy Duty | Suitable for medium loam and stubble turnover. |
Rotary Cutter / MowerMowing & Clearing | 7 to 8 ft (84-96 in)2.1 - 2.4 m | Heavy Duty | Heavy-duty twin spindle cutter for overgrown acreage. |
Rotary TillerSeedbed Prep | 78 to 84 in200 - 215 cm | Heavy Duty | Heavy commercial tiller with multi-speed gearbox. |
Disc HarrowSecondary Tillage | 10 to 14 ft Tandem / Offset3.0 - 4.2 m 重型交错耙 | Heavy Duty | Aggressive residue cutting in corn/cotton stubble. |
Hay BalerHay & Forage | 4x4 to 4x5 Round Baler1.2x1.5 m 紧凑圆捆机 | Heavy Duty | Silage and dry hay; 540 RPM PTO with slip-clutch. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Belarus 8021.
Estimated Continuous Field Runtime: 8.1 hrs
Approximately 8.1 hours of continuous field operation at ~75% rated power on a full tank (34 gal / 128.7 L).
Estimated 75% Load Fuel Burn~4.2 gal/hr (15.9 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Belarus 8021 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Belarus 8021.
Converted Equivalents:
Horsepower (HP)81 hp
Kilowatts (kW)60.4 kW
Metric Horsepower (PS / CV)82.1 PS
Direct Competitor Comparison
Compare Belarus 8021 against same-era industry alternatives in the same horsepower class.
Current Model
Belarus
Belarus 8021
Engine Power:Diesel (listed): 81 hp / 60.4 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 734
Engine Power:73
Production Years:1972 - 1974
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