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Zetor 3321-7341

98Zetor6321
98Zetor6341ohjaamo
98Zetor6321
98Zetor6341ohjaamo
Manufacturer
Models
Zetor 3321/3341, Zetor 4321/4341, Zetor 6321/6341, Zetor 7321/7341
Years
1997-04
Info

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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Technical data
ModelZetor 3321/3341Zetor 4321/4341Zetor 6321/6341Zetor 7321/7341
Manufacturer nameZetorZetorZetorZetor
Imported to FinlandYesYesYesYes
Years1997-041997-041997-041997-04
Engine modelZ5202Z6202Z7702Z7302
Cyl/Turbo/Intercooler3444T
Displacement2696 cm³3922 cm³3922 cm³3922 cm³
Bore x stroke102×110 mm102×120 mm102×120 mm102×120 mm
Rated power45/2200 hp DIN/rpm60/2200 hp DIN/rpm70/2200 hp DIN/rpm80/2200 hp DIN/rpm
Torque----
Gears10+10 (2WD 10+2)10+10 (2WD 10+2)10+10 (2WD 10+2)10+10 (2WD 10+2)
Synchronized gears8+8 (8)8+8 (8)8+8 (8)8+8 (8)
Powershift gearsopt.opt.opt.opt.
Reverser4WD mech.4WD mech.4WD mech.4WD mech.
Speeds in km/h1,1-28,41,5-312,0-402,0-40
Max. speed 31 km/h34 km/h--
Hydr. flow l/min40 l/min40 l/min50 l/min50 l/min
Hydraulic pressure200 bar200 bar200 bar200 bar
Lift controlsmech.mech.mech.mech.
Lift capacity3100 kg3100 kg4000 kg4000 kg
PTO speeds540/ajo540/ajo540/ajo540/ajo
Brakeswet discwet discwet discwet disc
Steeringhydrost. (2WD power)hydrost. (2WD power)hydrost. (2WD power)hydrost. (2WD power)
Turning circle m 2WD7.47.67.67.6
Turning circle m 4WD88.98.98.9
Front tyres 2WD7,50-167,50-207,50-207,50-20
Front tyres 4WD11.2-2411.2-2412.4-2412.4-24
Rear tyres 2WD14,9-2816,9-3016,9-3416,9-34
Rear tyres 4WD16.9-3016.9-3016.9-3416.9-34
Weight 2WD3045 kg3135 kg3200 kg3210 kg
Weight 4WD3375 kg3435 kg3540 kg3550 kg
Height with cab258 cm260 cm265 cm265 cm
Length (2WD/4WD)367 cm382 cm382 cm382 cm
Wheelbase (2WD/4WD)212/207 cm226/220 cm226/220 cm226/220 cm
Fuel tank120 l120 l120 l120 l
Cab noise level83.5 dB83.5 dB84 dB83 dB
Solid cabxxxx
Diff. lockfriction lockfriction lockfriction lockfriction lock