Overview
The Zetor 7321 is a 2WD utility tractor produced between 1997 and 2004 in Brno, Czech Republic, featuring a 3.9L 4-cylinder turbocharged diesel engine rated at 78 hp. This model is configured with a 10-speed synchronized mechanical shuttle transmission and was tested at a maximum drawbar power of 55.7 hp during Nebraska Tractor Test 1684. Physical specifications include a 144-inch length and a weight of 6,950 lbs, supported by a 32-gallon fuel capacity.
Ideal Applications
Tested Performance Data:
According to Nebraska Tractor Test 1684, the tractor produced 72.8 hp at rated engine speed and achieved a maximum drawbar pull of 5,490 lbs.
Mechanical and Transmission Specs:
The unit features a 10-speed synchronized mechanical shuttle transmission, hydraulic wet disc brakes, and a 304.8mm cerametallic hydraulic clutch.
Hydraulic and Hitch Capacity:
The rear Type II/I hitch is equipped with position and draft control and provided a tested lift capacity of 6,185 lbs with a 10.3 GPM tested hydraulic pump flow.
Production
| Description | Utility tractor / Built in Brno, Czech Republic |
|---|---|
| Manufacturer | Zetor |
| Original price | $28,500 |
Engine
| Engine type | Zetor 3.9L 4-cyl diesel |
|---|---|
| Fuel tank | 32 gal (121.1 L) |
| Bore/Stroke | 4.016x4.724 inches (102 x 120 mm) |
| Compression | 17:1 |
| Description | Zetor / turbocharged diesel / 4-cylinder / liquid-cooled |
| Displacement | 239 ci (3.9 L) |
| Power | 78 hp (58.2 kW) |
| Rated RPM | 2200 |
| Starter | electric |
| Starter volts | 12 |
| Drawbar (tested) | 55.7 hp (41.5 kW) |
| PTO (claimed) | 73 hp (54.4 kW) |
| PTO (tested) | 72.8 hp (54.3 kW) |
Transmission
| Clutch | hydraulic 304.8mm cerametallic disc |
|---|---|
| Gears | 10 forward and 2 reverse / 10 forward and reverse |
| Type | synchronized / mechanical shuttle |
| Transmission type | 10-speed synchronized / 10-speed mechanical shuttle |
| Transmission type | 10-speed synchronized / 10-speed mechanical shuttle |
Mechanical
| Cab | Two-post folding ROPS. Cab available with air-conditioning. |
|---|---|
| Description | Power steering / Hydraulic wet disc brakes |
| Drive type | Two-wheel drive |
Hydraulics
| Pressure | 2600 psi (179.3 bar) |
|---|---|
| Pump flow | 14 gpm*Advertised. Tested flow was 10.3 GPM. (53.0 lpm) |
| Steering flow | 4 gpm (15.1 lpm) |
| Type | open center |
| Valves | 1 to 3 |
Hitch
| Control | position and draft control |
|---|---|
| Rear lift | 6830 lbs*Advertised. Lift capacity during testing was 6185 pounds. (3098 kg) |
| Rear Type | II/I |
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540 (1.375) |
Electrical
| Battery volts | 12 |
|---|---|
| Charging amps | 75 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Height (cab) | 105 inches (266 cm) |
|---|---|
| Length | 144 inches (365 cm) |
| Weight | 6950 lbs (3152 kg) |
| Wheelbase | 88.9 inches (225 cm) |
| Width | 74 inches (187 cm) |
| Front tire | 9.00-16 |
| Rear tire | 18.4R34 |
| Weight | 6950 lbs (3152 kg) |
| Wheelbase | 88.9 inches (225 cm) |
| Ag front | 9.00-16 |
| Ag rear | 18.4R34 |
Nebraska Tractor Test 1684
| Description | Diesel 10-speed 2WDMarch 1997 - November 1997, Link: Nebraska Tractor Test 1684 file / PTO performance / Drawbar performance / Gear 2R used for power test. / Gear 1R used for pull test. |
|---|---|
| Fuel use | 4.4 gal/hour (16.7 l/hour) / 4.2 gal/hour (15.9 l/hour) / 4.0 gal/hour (15.1 l/hour) |
| Max power | 55.7 hp (41.5 kW) |
| Max pull | 5490 lbs (2490 kg) |
| Power at rated engine speed | 72.8 hp (54.3 kW) |
| Power at rated PTO speed | 72.4 hp (54.0 kW) |
References
| Description | Super Series Tractors published by Zetor |
|---|
Variants
| 7321 | 2WD |
|---|---|
| 7341 | 4WD |
Zetor 7321 attachments
| Description | front-end loader |
|---|