TRACTORCOMPARE.COM
Independent Agricultural Machinery Decision & Sizing Authority
Belarus 400A vs Zetor 7421
Specification differential, power-to-weight analysis, hydraulic benchmarks, and equipment decision guidance.
Belarus 400A
Category: Farm
Zetor 7421
Category: Farm
Decisive Performance Differentials
- Zetor 7421 provides +19.3 PTO HP more implement shaft power
- Zetor 7421 provides +710 lbs more unballasted traction mass
Multi-Axis Capability Radar
Normalized 5-pillar operational benchmark comparison
Dual Field Action & Powertrain Sound
Side-by-side operational field footage verified with computer vision & acoustic audits.
Head-to-Head Specification Differential
Side-by-side technical parameters with calculated delta advantage & percent differentials
| Specification | Belarus 400A | Zetor 7421 | Advantage Delta |
|---|---|---|---|
| Power & Output | |||
Rated Engine Horsepower | 57 HP | 75 HP | - |
PTO Horsepower (Tested) | 50.7 HP | 70 HP | +38.1%+19.3 PTO HP (+38.1%) |
Traction Density Ratio | 8.6 HP/1k lbs | 10.3 HP/1k lbs | 10.3 vs 8.6 HP / 1,000 lb (higher transport agility) |
| Dimensions & Weight | |||
Base Operating Weight | 6,600 lbs | 7,310 lbs | +10.8%+710 lbs heavier |
| Engine Specs | |||
Displacement | 4.1 L | 4.2 L | +0.1L larger displacement |
Cylinders | 4 Cylinders | 4 Cylinders | - |
| Hydraulics & Implements | |||
Standard Hydraulic Pump Flow | N/A (Check Option Pack) | 18 gpm | - |
Rear SCV Remotes (Standard) | 2 Valves | 3 Valves | +1 extra standard remote circuits |
3-Point Hitch Category | Category II | Category II/I | - |
| Chassis & Drivetrain | |||
Drive Configuration | 2WD | 2WD | - |
Transmission System | gear | syncromesh | - |
Buyer Decision Export Tools
Export side-by-side data for forums, Excel spreadsheets, or dealer negotiations
Operational Field Verdict Matrix
Algorithmic suitability assessment cross-referencing Nebraska draft tests against four agricultural workloads.
Primary Tillage & Deep Chisel Plowing
Zetor commands superior frame weight (+710 lbs) for continuous draft traction in heavy gumbo soils.
Large-Scale Air Seeding & Hydraulic Drills
Dedicated remote circuit hydraulic flow ratings are incomplete. Direct comparative seeding capacity requires dealer-verified option build sheets.
Road Hauling & Grain Cart Chase Duty
Zetor 7421 offers superior 10.26 HP/1,000 lb agility, reducing road fuel overhead on rapid grain bin transit cycles.
Soil Compaction & Wet Ground Flotation
Belarus 400A features a lighter footprint (-710 lbs), reducing deep subsoil compaction during damp spring planting windows.
Select Zetor 7421 for superior tractive frame ballast and engine power reserves across evaluated field tasks.
Decision Analysis & Editorial Verdict
Zetor 7421 holds the specification edge across verified benchmark criteria, led by higher rated horsepower. Consider 7421 for demanding high-capacity field duties, while Belarus 400A provides a competitive footprint for alternative duty cycles.
Request Authorized Dealer Best Quote & Availability
Skip the runaround. Receive competitive manufacturer incentive packages, verified stock status, and freight estimates from top regional dealers.
Equipment Financing & Monthly Payment Estimator
Model cash flows, estimated installment burdens, and financing differentials for agricultural leases or loans.
*Indicative estimates based on standard Tier-1 agricultural commercial rates. Taxes, freight, attachments, and insurance not included.