| Specs | Ursus 5312 | Zetor 4320 | 
|---|---|---|
| Brand | Ursus | Zetor | 
| Model | Ursus 5312 | Zetor 4320 | 
| Series | n.d. | n.d. | 
| Previous model | – | – | 
| Next model | – | – | 
| Smaller | – | – | 
| Larger | Ursus 5314 | – | 
| Years | from 1993 y. | from 1995 to 1998 y. | 
| Cab with ROPS | No | No | 
| Reviews | Ursus 5312 reviews New! | Zetor 4320 reviews New! | 
| Specs | Ursus 5312 | Zetor 4320 | 
|---|---|---|
| Maximum power (HP / kW) | 75 KM (55 kW) | 59 KM (44 kW) | 
| Engine RPM | 2200 rpm | 2200 rpm | 
| Fuel consumption | 244 g/kWh ( rpm) | n.d. | 
| Fuel tank capacity | 75 l. | n.d. | 
| Max. speed | 30 km / h | n.d. | 
| Specs | Ursus 5312 | Zetor 4320 | 
|---|---|---|
| Fuel type | Diesel | Diesel | 
| Engine producer | Ursus | Zetor | 
| Engine model | n.d. | Zetor 6201 | 
| Engine type | Diesel (diesel engine) | Diesel (diesel engine) | 
| Engine capacity | 3,8 - 4,0 l. | 3.5 l. | 
| Strokes, qty | 4 | n.d. | 
| Cylinders | 4 | 4 | 
| Compression | n.d. | n.d. | 
| Bore | 98 mm | 100 mm | 
| Stroke | 127 mm | 110 mm | 
| Maximum torque | 261 Nm / 1300-1500 rpm | n.d. | 
| Air filter | dry air filter, two-stage, sensor contamination | n.d. | 
| Fuel filter | n.d. | |
| Fuel filter chambers, qty | 1 | n.d. | 
| Oil filter | n.d. | |
| Oil pump | gear pump | n.d. | 
| Speed control (control) | mechanical | n.d. | 
| Injection pump | piston pump, direct fuel injection | n.d. | 
| Injectors | pintle injector spray | n.d. | 
| Injection pressure | 17,1 MPa | n.d. | 
| Cooling system | liquid cooled engine | liquid cooled engine | 
| Forced cooling | Yes, cooling water pump | n.d. | 
| Cooler | Yes, with fan | Yes | 
| Thermostat | Yes | Yes | 
| Cooler type | tubular-plate cooler | tubular-plate cooler | 
| Coolant system capacity | 15 l. | n.d. | 
| Clutch | friction clutch, single disc, dry, with independent PTO control, two-stage clutch | n.d. | 
| Specs | Ursus 5312 | Zetor 4320 | 
|---|---|---|
| Turbocharger | No | No | 
| Dual turbocharger | Not applicable | Not applicable | 
| Intercooler | Not applicable | Not applicable | 
| Aftercooler | Not applicable | Not applicable | 
| Wastegate valve | Not applicable | Not applicable | 
| Variable geometry | Not applicable | Not applicable | 
| Additional parameters | – | – | 
| Specs | Ursus 5312 | Zetor 4320 | 
|---|---|---|
| Supply voltage starter (V) | 12 V | n.d. | 
| Ground | negative ground | n.d. | 
| Battery (V) | 6 V | n.d. | 
| Battery, qty | 2 | n.d. | 
| Charging system | Alternator | Generator | 
| Charging system producer | n.d. | n.d. | 
| Ignition | Electric | Manual | 
| Rear stop lamp | Yes | Yes | 
| Rear agricultural lamp | Yes | n.d. | 
| Cock lamp | Yes | No | 
| Specs | Ursus 5312 | Zetor 4320 | 
|---|---|---|
| PTO min | 540 rpm | |
| PTO max | 1100 rpm | |
| PTO rpm | 540 rpm | |
| PTO control | manual | manual | 
| Specs | Ursus 5312 | Zetor 4320 | 
|---|---|---|
| ABS | No | No | 
| Brake assist | No | No | 
| Braking system | mechanical | n.d. | 
| Differential | Yes | No | 
| Brake type | disc brakes, wet brakes, mechanical, independent, external brakes | n.d. | 
| Discs | Single | – | 
| Specs | Ursus 5312 | Zetor 4320 | 
|---|---|---|
| Weight | from 2815 kg to 3375 kg (depending by model) | n.d. | 
| Weight with ROPS | n.d. | n.d. | 
| Weight with cab | 2815 kg | n.d. | 
| Length | 3893 mm | n.d. | 
| Height | 2640 mm | n.d. | 
| Width | 1829 mm | n.d. | 
| Clearance | 380 mm | n.d. | 
| Rear clearance | n.d. | n.d. | 
| Front track width | from 1500 mm to 1820 mm | n.d. | 
| Rear track width | from 1515 mm to 2220 mm | n.d. | 
| Wheelbase | 2290 mm | 2230 mm | 
| Front tires | 7,5 - 16 | 9-16 | 
| Rear tires | 16,9 -34 | n.d. | 
| Max. mass of the trailer without brakes | 1500 kg | 1500 kg | 
| Max. mass of the trailer with brakes | n.d. | n.d. | 
| Max. axle load | n.d. | n.d. | 
| Max. total weight | n.d. | n.d. | 
| Turning radius | n.d. | n.d. | 
| Specs | Ursus 5312 | Zetor 4320 | 
|---|---|---|
| Drive system | 4x2, 2WD (depending by model) | 4x2, 2WD (depending by model) | 
| Additional | one wheel drive | one wheel drive | 
| Permanent 4-wheel drive | n.d. | n.d. | 
| Permanent systems that constantly power all the wheels | n/a | n/a | 
| Dynamic allocation of power between the axles | n/a | n/a | 
| Independent Link Suspension | None | None | 
| Articulated suspension | – | – | 
| Crawler drive | No | No | 
| Hydrostatic steering | Yes | No | 
| Differential | mechanically locking differential | n.d. | 
| Steering | rod | rod | 
| Front rods | Yes | n.d. | 
| Rear planetary drives | No | n.d. | 
| Front planetary drives | Yes, automatic locking differential | n.d. | 
| Specs | Ursus 5312 | Zetor 4320 | 
|---|---|---|
| Three-point hitch | 2600 kg | n.d. | 
| Three-point hitch type | EHR, adjustable draft and positional | n.d. | 
| Three-point hitch performance | 22 l / min | n.d. | 
| Three-point hitch pressure | 20 MPa | n.d. | 
| Load Sensing | No | No | 
| Closed | Yes | No | 
| Central | Yes | No | 
| Constant flow | Yes | Yes | 
| Constant pressure | Yes | No | 
| Control system | flow-compensated | n.d. | 
| Pump | n.d. | n.d. | 
| Two-section distributor | No | n.d. | 
| Quick couplings | 1 | n.d. | 
| Auto Lift | n.d. | n.d. | 
| Specs | Ursus 5312 | Zetor 4320 | 
|---|---|---|
| Synchronous transmission | Yes | n.d. | 
| Transmission mechanically synchronized | Yes | n/a | 
| PowerShift | No | No | 
| PowerShuttle | No | No | 
| Additional | – | – | 
| Hydrostatic transmission | n.d. | n.d. | 
| Forward gears | 8 | 10 | 
| Reverse gears | 2 | 2 | 
| Creeper | No | n.d. | 
| Specs | Ursus 5312 | Zetor 4320 | 
|---|---|---|
| Clevis | Yes | Yes (???) | 
| Lower catch | Yes | n.d. | 
| Air conditioning | Heating | n.d. |