| Manufacturer | Zetor |
| Price | 23,000(USD) |
| Model | 4321 |
| Equipment Type | Utility Tractors |
| Factory | Brno, Czech Republic |
ZETOR 4321 POWER
| Engine | 59hp / 44.0kW |
| PTO (claimed) | 56hp / 41.8kW |
ENGINE DETAIL
The Zetor 4321 tractor, equipped with a 3.9L diesel engine, offers a displacement of 239ci and a power output of 59hp at a rated RPM of 2200. Its compact dimensions (102mm bore and 120mm stroke) enable efficient torque delivery, making it suitable for various agricultural tasks and moderate fieldwork scenarios. The electric starter and 12V system enhance convenience and reliability, though it may require proper maintenance to prevent cold weather starting issues.
| Description | Zetor diesel 4-cylinder liquid-cooled |
| Displacement | 239ci / 3.9L |
| Bore/Stroke | 4.016x4.724inches / 102x 120mm |
| Power | 59hp / 44.0kW |
| Rated RPM | 2200 |
| Starter | electric |
| Starter volts | 12 |
ZETOR 4321 ENGINE
The Zetor 4321 features a robust 3.9L 4-cylinder diesel engine, optimizing fuel efficiency and power output for various agricultural tasks. With a fuel tank capacity of 32 gallons (121.1L), it offers extended operation between refuels, making it suitable for lengthy field work. However, its diesel engine may require more maintenance compared to gasoline engines, which could be a consideration for less experienced operators.
| Description | Zetor 3.9L 4-cyl diesel |
| Fuel tank | 32gal / 121.1L |
TRANSMISSIONS OVERVIEW
The Zetor 4321 features a 10-speed mechanical shuttle transmission, providing precise control for various applications, enhancing productivity in both forward and reverse operations. This system allows for smoother shifting and better torque management, but may require more operator skill compared to automatic transmissions. Ideal for farm tasks that demand frequent direction changes, this tractor excels in maneuverability and versatility on the field.
| Description | 10-speed 10-speed mechanical shuttle |
TRANSMISSION 1
The Zetor 4321 features a 10 forward and 2 reverse gear transmission, providing flexibility for various field conditions and tasks while promoting efficient power delivery. Its hydraulic clutch with a 304.8mm cerametallic disc ensures smoother engagement and improved durability, ideal for sustained heavy-duty operations. However, the complexity of the transmission system may necessitate specialized maintenance, which could challenge less experienced operators in troubleshooting and repair scenarios.
| Gears | 10 forward and 2 reverse |
| Clutch | hydraulic 304.8mm cerametallic disc |
TRANSMISSION 2
The Zetor 4321 features a mechanical shuttle transmission, allowing for smooth transition between forward and reverse gears, which enhances maneuverability in tight spaces. With 10 forward and reverse gears, operators can optimize performance for various tasks, improving efficiency across diverse agricultural applications. However, the mechanical nature of the shuttle may require more physical effort compared to synchronized or hydrostatic systems, potentially increasing operator fatigue during prolonged use.
| Type | mechanical shuttle |
| Gears | 10 forward and reverse |
MECHANICAL
The Zetor 4321 features a 4x2 2WD chassis, providing stability and simplicity for light agricultural tasks but limiting traction in wet or uneven terrain. Its hydraulic wet disc brakes offer enhanced stopping power and durability, making it suitable for various agricultural environments. The optional air-conditioned cab enhances operator comfort, which is beneficial during extended work hours, though it may increase initial purchase costs.
| Chassis | 4x2 2WD |
| Steering | power |
| Brakes | hydraulic wet disc |
| Cab | Two-post folding ROPS. Cab optional with air-conditioning |
| Transmissions | 10-speed 10-speed mechanical shuttle |
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 |
ZETOR 4321 TIRES
The Zetor 4321 features agricultural tires with a front size of 9.00-16 and rear sizes of 16.9-28 or 16.9-30, offering a balance between stability and traction for diverse field conditions. The cab enhances operator comfort and protection, which is crucial for extended hours in the field. However, the choice of rear tire size can affect ground contact and load distribution; thus, selecting the appropriate size based on specific applications is vital for optimal performance.
| Ag front | 9.00-16 |
| Ag rear | 16.9-28/16.9-30*With cab |
DIMENSIONS
| Wheelbase | 73inches / 185cm |
| Length | 141inches / 358cm |
| Width | 73inches / 185cm |
| Height (cab) | 102inches / 259cm |
| Weight | 6620lbs / 3002kg |
DIMENSIONS & TIRES
The Zetor 4321, with a wheelbase of 73 inches (185 cm) and a weight of 6620 lbs (3002 kg), offers a compact footprint ideal for maneuvering in tight spaces. Its front tires (9.00-16) provide stability, while the rear tires (16.9-28) ensure good traction and lift capacity, beneficial for agricultural applications like plowing or hauling. However, its weight may limit its performance on softer terrains, warranting caution in such scenarios.
| Wheelbase | 73inches / 185cm |
| Weight | 6620lbs / 3002kg |
| Front tire | 9.00-16 |
| Rear tire | 16.9-28 |
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 |