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Siirry sivupalkkiinSiirry alaosaanZetor 3321-7341




The seventh update of the Zetor UR I series took place in spring 1996. However, the model range known as Super Vision did not enter production until 1997 and only reached Finland in autumn 1997. In terms of appearance, this was the largest single change in the line’s history since it began in 1960, and technically it introduced more development than most of the earlier revisions.
Thanks to the new Vision cab, ergonomics improved to nearly Western European standards. The cab was now built in the Czech Republic instead of Slovakia. The gear levers were moved away from the driver’s feet. The non-synchronized reverser lever was on the left and the main gear lever on the right. The two largest models had a top speed of 40 km/h. Four-wheel drive and the differential lock were now engaged electrically via compressed air, and four-wheel drive could be activated on the move. Noise levels, however, remained high. A plastic fuel tank located under the cab was noticeably larger than before, and the front end’s sloping design looked modern.
All four-cylinder engines were now 3.9 liters in capacity. The engines featured a balance shaft and a separate cylinder head for each cylinder. On external hydraulics, the two largest models now had three blocks instead of the previous one, and hydraulic output increased to 50 liters per minute. Lifting capacity was again raised. Draft sensing was still done via the lift arm. The combined oil capacity for hydraulics and transmission was doubled to 64 liters, so there was plenty of oil even for implements. The Carraro-made front axle on the two biggest models had separate wet disc brakes, and the rear disc brakes were now also oil-immersed.
From the late 1990s onward, the reverser could be replaced by an over-drive gearbox, giving 20 + 4 speeds.
Alongside the Super Visions, some markets offered more simply equipped models called 3320 Major through 7340 Major. Production of the Majors continued even after the Proxima models were introduced in 2004.
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| Model | Zetor 3321/3341 | Zetor 4321/4341 | Zetor 6321/6341 | Zetor 7321/7341 |
|---|---|---|---|---|
| Manufacturer name | Zetor | Zetor | Zetor | Zetor |
| Imported to Finland | Yes | Yes | Yes | Yes |
| Years | 1997-04 | 1997-04 | 1997-04 | 1997-04 |
| Engine model | Z5202 | Z6202 | Z7702 | Z7302 |
| Cyl/Turbo/Intercooler | 3 | 4 | 4 | 4T |
| Displacement | 2696 cm³ | 3922 cm³ | 3922 cm³ | 3922 cm³ |
| Bore x stroke | 102×110 mm | 102×120 mm | 102×120 mm | 102×120 mm |
| Rated power | 45/2200 hp DIN/rpm | 60/2200 hp DIN/rpm | 70/2200 hp DIN/rpm | 80/2200 hp DIN/rpm |
| Torque | - | - | - | - |
| Gears | 10+10 (2WD 10+2) | 10+10 (2WD 10+2) | 10+10 (2WD 10+2) | 10+10 (2WD 10+2) |
| Synchronized gears | 8+8 (8) | 8+8 (8) | 8+8 (8) | 8+8 (8) |
| Powershift gears | opt. | opt. | opt. | opt. |
| Reverser | 4WD mech. | 4WD mech. | 4WD mech. | 4WD mech. |
| Speeds in km/h | 1,1-28,4 | 1,5-31 | 2,0-40 | 2,0-40 |
| Max. speed | 31 km/h | 34 km/h | - | - |
| Hydr. flow l/min | 40 l/min | 40 l/min | 50 l/min | 50 l/min |
| Hydraulic pressure | 200 bar | 200 bar | 200 bar | 200 bar |
| Lift controls | mech. | mech. | mech. | mech. |
| Lift capacity | 3100 kg | 3100 kg | 4000 kg | 4000 kg |
| PTO speeds | 540/ajo | 540/ajo | 540/ajo | 540/ajo |
| Brakes | wet disc | wet disc | wet disc | wet disc |
| Steering | hydrost. (2WD power) | hydrost. (2WD power) | hydrost. (2WD power) | hydrost. (2WD power) |
| Turning circle m 2WD | 7.4 | 7.6 | 7.6 | 7.6 |
| Turning circle m 4WD | 8 | 8.9 | 8.9 | 8.9 |
| Front tyres 2WD | 7,50-16 | 7,50-20 | 7,50-20 | 7,50-20 |
| Front tyres 4WD | 11.2-24 | 11.2-24 | 12.4-24 | 12.4-24 |
| Rear tyres 2WD | 14,9-28 | 16,9-30 | 16,9-34 | 16,9-34 |
| Rear tyres 4WD | 16.9-30 | 16.9-30 | 16.9-34 | 16.9-34 |
| Weight 2WD | 3045 kg | 3135 kg | 3200 kg | 3210 kg |
| Weight 4WD | 3375 kg | 3435 kg | 3540 kg | 3550 kg |
| Height with cab | 258 cm | 260 cm | 265 cm | 265 cm |
| Length (2WD/4WD) | 367 cm | 382 cm | 382 cm | 382 cm |
| Wheelbase (2WD/4WD) | 212/207 cm | 226/220 cm | 226/220 cm | 226/220 cm |
| Fuel tank | 120 l | 120 l | 120 l | 120 l |
| Cab noise level | 83.5 dB | 83.5 dB | 84 dB | 83 dB |
| Solid cab | x | x | x | x |
| Diff. lock | friction lock | friction lock | friction lock | friction lock |
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