Zetor 6321 Tractor

Manufacturer Zetor
Price 25,500(USD)
Model 6321
Equipment Type Utility Tractors
Factory Brno, Czech Republic

ZETOR 6321 POWER

Engine 66hp / 49.2kW
PTO (claimed) 62hp / 46.2kW

ENGINE DETAIL

The Zetor 6321 tractor features a robust 4-cylinder diesel engine with a 3.9L displacement, delivering 66 hp at a rated RPM of 2200, making it suitable for moderate farming tasks and light towing applications. The bore and stroke dimensions (102 mm x 120 mm) indicate a torque-oriented design, which can enhance low-end power and efficiency, essential for performing heavy-duty work. However, users may find its limited horsepower a constraint for high-demand applications, necessitating careful consideration of operational requirements.

Description Zetor diesel 4-cylinder liquid-cooled
Displacement 239ci / 3.9L
Bore/Stroke 4.016x4.724inches / 102x 120 mm
Power 66hp / 49.2kW
Rated RPM 2200
Starter volts 12

ZETOR 6321 ENGINE

The Zetor 6321 features a robust 3.9L 4-cylinder diesel engine, providing a balance of power and efficiency suitable for mid-range agricultural tasks. Its 32-gallon (121.1L) fuel tank allows for extended operation without frequent refueling, making it advantageous for larger fields or intensive farming scenarios. However, consider the weight and maneuverability; the tractor's size may present challenges in tighter areas or uneven terrain.

Description Zetor 3.9L 4-cyl diesel
Fuel tank 32gal / 121.1L

TRANSMISSION 1

The Zetor 6321 features a synchro mesh transmission with 10 forward and 2 reverse gears, enhancing smooth shifting and operational efficiency. Its hydraulic clutch with a 304.8mm cerametallic disc delivers robust performance and high heat resistance, ideal for heavy-duty applications. However, the complexity of synchro mesh may pose challenges in maintenance compared to simpler transmission types, particularly in demanding conditions.

Transmission synchro mesh
Gears 10 forward and 2 reverse
Clutch hydraulic 304.8mm cerametallic disc

TRANSMISSION 2

The Zetor 6321 features a mechanical shuttle transmission with 10 forward and reverse gears, providing versatility for various operations, such as tilling and hauling. The mechanical shuttle enables seamless direction changes, enhancing productivity in tight spaces or during repetitive tasks. However, the absence of a hydrostatic transmission may limit ease of operation for users needing smooth, variable speed control without gear shifting.

Transmission mech shuttle
Gears 10 forward and reverse

MECHANICAL

The Zetor 6321 tractor features a 4x2 2WD chassis, making it suitable for light-duty applications but limiting traction on uneven terrain. Its power steering and hydraulic wet disc brakes enhance maneuverability and stopping power, contributing to operator safety. The 10-speed transmission allows for versatile speed control, while the optional air-conditioned cab provides comfort during long operational hours, although the lack of 4WD may pose challenges in more demanding environments.

Chassis 4x2 2WD
Steering power
Brakes hydraulic wet disc
Cab Two-post folding ROPS. Cab available with air-conditioning.
Transmission 10-speed

HYDRAULICS

Type open center
Pressure 2600psi / 179.3bar
Valves 1 to 3
Pump flow 14gpm / 53.0lpm
Steering flow 4 gpm /15.1 lpm

TRACTOR HITCH

Rear Type II/I
Control position and draft control
Rear lift 6830lbs / 3098kg

POWER TAKE-OFF (PTO)

Rear PTO independent
Rear RPM 540/540/1000

ZETOR 6321 TIRES

The Zetor 6321 tractor features Ag front tires sized 9.00-16 and Ag rear tires of 16.9-34, providing enhanced stability and traction for field operations. The larger rear tire size improves soil compaction management, enabling better performance in agricultural tasks, especially in heavier soils. However, the front tire size may limit maneuverability in tight spaces, making it less suitable for certain horticultural applications.

Ag front 9.00-16
Ag rear 16.9-34

DIMENSIONS

Wheelbase 73inches / 185cm
Length 144inches / 365cm
Width 73inches / 185cm
Height (cab) 104inches / 264cm
Weight 6830lbs / 3098kg

DIMENSIONS & TIRES

The Zetor 6321, with a wheelbase of 73 inches, offers enhanced maneuverability in tight spaces, making it suitable for small to medium-sized agricultural operations. Its weight of 6830 lbs provides stability during heavy-duty tasks, but may limit mobility on softer terrains. The tire specifications, with a wider rear (16.9-30), improve traction while the front tire size (9.00-16) allows for balanced weight distribution, essential for plowing and towing applications.

Wheelbase 73inches / 185cm
Weight 6830lbs / 3098kg
Front tire 9.00-16
Rear tire 16.9-30

ZETOR 102H LOADER

Loader weight 2100lbs / 952kg
Height (to pin) 122inches / 309cm
Clearance, dumped bucket 98inches / 248cm
Dump reach 38inches / 96cm
Dump angle 40°
Reach at ground 73inches / 185cm
Rollback angle 20°
Breakout force (at pin) 5320lbs / 2413kg
Breakout force (at 800mm) 2860lbs / 1297kg
Lift to full height (at pin) 3930lbs / 1782kg
Lift to full height (at 800mm) 2030lbs / 920kg
Bucket width 73inches / 185cm
Raise time to height 4 s
Bucket dump time 4 s
Rollback time 3.5 s

ZETOR 102SLX LOADER

Loader weight 2300lbs / 1043kg
Height (to pin) 127inches / 322cm
Clearance, dumped bucket 91inches / 231cm
Dump reach 20inches / 50cm
Dump angle 60°
Reach at ground 83inches / 210cm
Rollback angle 40°
Breakout force (at pin) 5960lbs / 2703kg
Breakout force (at 800mm) 4280lbs / 1941kg
Lift to full height (at pin) 4670lbs / 2118kg
Lift to full height (at 800mm) 2500lbs / 1134kg
Bucket width 73inches / 185cm
Raise time to height 5.2 s
Bucket dump time 2.5 s
Rollback time 2 s

ZETOR 112SLX LOADER

Loader weight 2450lbs / 1111kg
Height (to pin) 136inches / 345cm
Clearance, dumped bucket 96inches / 243cm
Dump reach 34inches / 86cm
Dump angle 60°
Reach at ground 90inches / 228cm
Rollback angle 40°
Breakout force (at pin) 5180lbs / 2349kg
Breakout force (at 800mm) 3590lbs / 1628kg
Lift to full height (at pin) 3270lbs / 1483kg
Lift to full height (at 800mm) 2120lbs / 961kg
Bucket width 73inches / 185cm
Raise time to height 5.6 s
Bucket dump time 2.5 s
Rollback time 2 s

ELECTRICAL

Charging system alternator
Charging amps 75
Battery volts 12


Last Updated 2025-01-01
Stephen is a passionate tractor hobbyist with a deep-seated love for all things mechanized and agricultural. Growing up in a rural setting, he developed a fascination with these mighty machines that have played a crucial role in shaping the farming industry.

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