| Zetor Proxima Tractor - for guidance only | |||
| Technical parameters | Z 6421/41.1 | Z 7421/41.1 | Z 8421/41.1 |
| ENGINE | Turbocharged, water-cooled | ||
| Number of Cylinders | 4 | 4 | 4 |
| Capacity | 4156 | 4156 | 4156 |
| Output kW/HP | 68 | 78 | 88 |
| Rated engine speed RPM | 2200 | ||
| Torque Nm | 262 | 308 | 349 |
| Torque reserve % | 35 | ||
| Bore/Stroke mm | 105/120 | ||
| CLUTCH | Dual,dry,310/280 | ||
| GEAR BOX | Mechanical, fully synchronised | ||
| Number of gears standard | 10 + 2 | ||
| Synchronised Shuttle - optional | 12 + 12 | ||
| Max. tractor speed 2WD | 30 km/h | ||
| Max. tractor speed 4WD | 40 km/h | ||
| POWER TAKE OFF | |||
| Rear PTO with gearbox 10/2 | 540/1000 | ||
| Rear PTO with shuttle | 540 | ||
| Front PTO | 1000RPM (LH or RH optional) | ||
| STEERING | Hydrostatic | ||
| FRONT AXLE | |||
| Not driven 2WD | 2° tilting | ||
| Driven 4WD | 40 km/h with front brakes | ||
| HYDRAULIC SYSTEM | |||
| Lifting force kN | 32 | 40 | 40 |
| Oil flow ltr/min | 40 | 50 | 50 |
| Hydraulic control pressure MPa | 18 | ||
| Selective control valves | position,draft,control | ||
| Number of spool valves | 1 set standard, 3 sets optional | ||
| BRAKES | |||
| Rear | multiplate wet disc | ||
| Parking | mechanical | ||
| Trailer brakes | Hydraulic as standard | ||
| CAB | BK 7341 | ||
| Exhaust | On 4cyl models, cab pillar mounted | ||
| WHEEL SIZE | |||
| Standard front 2WD | 7,50-16 | 7,50-16 | 7,50-16 |
| Standard rear 2WD | 16,9-30 | 16,9-30 | 16,9-34 |
| Standard front 4WD | 11,2-24 | 12,4-24 | 13,6-24 |
| Standard rear 4WD | 16,9-30 | 16,9-30 | 16,9-34 |
| DIMENSIONS mm | |||
| Overall length | 3853 | ||
| Overall width (standard track) | 2154/2100 | 2290/2236 | 2290/2236 |
| Ground clearance under front axle | 490/402 | 490/417 | 490/406 |
| Height to top of cab | 2625/2609 | 2625/2615 | 2625/2612 |
| Fuel tank capacity | 120 ltrs | ||
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ZETOR PROXIMA
The Zetor Proxima range combines powerful performance with exceptional efficiency and reliability. Its 4 cylinder turbo-charged, water-cooled engine meets EEC ll/EPAll emission standards, yet still provides a torque rise of up to 35%. Balancing shafts reduce vibration and a heavy duty starter provides responsive engine firing at temperatures as low as minus 25 degrees C.