Technical Specifications of the Zetor Proxima 5421/5441 agricultural tractor:
Zetor Proxima 5421/5441 agricultural tractor is equipped with the 6104 engine, which has three cylinders with turbocharging (3T). The engine displacement is 3117 cm³, with piston dimensions of 105 mm in diameter and 120 mm in stroke. The engine achieves a maximum power of 53 HP at 2200 revolutions per minute and a torque of 227 Nm at 1500 revolutions per minute. The gearbox has two variants: 10 forward gears and 2 reverse gears or 12 forward gears and 12 reverse gears, with 20 forward gears and 4 reverse gears being synchronized. The tractor can travel at speeds from 1.6 km/h to a maximum of 38 km/h, with a maximum driving speed of 35 km/h or 40 km/h depending on the version. The hydraulic pump output is 40 liters per minute. The rear lift is mechanically controlled and has a maximum lift capacity of 2100 kg. The power take-off (PTO) operates at 540 revolutions per minute. The turning radius for the 2WD version is 7.4 meters, and for the 4WD version, it is 8 meters. The front tire size for the 2WD version is 7.50-16, and for the 4WD version, it is 11.2-24. The rear tire size for the 2WD version is 14.9-28, and for the 4WD version, it is 16.9-30. The total weight of the 2WD version is 3045 kg, and the 4WD version is 3375 kg. The tractor’s dimensions are: height with cab 257 cm, length 367 cm, and width 212 cm or 207 cm depending on the version. The fuel tank capacity is 120 liters. The noise level in the cab is 83 dB.
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Technical Data Sheet for Zetor Proxima 5421, 5441, 6421, 6441, 7421, 7441, 8421, 8441 agricultural tractors:
| Model | Zetor Proxima 5421/5441 | Zetor Proxima 6421/6441 | Zetor Proxima 7421/7441 | Zetor Proxima 8421/8441 |
| Years of production | – | – | – | – |
| Engine model / type | 6104 | 7204 | 7303/1104 | 1203/1204 |
| Number of cylinders / turbocharging | 3T | 4T | 4T | 4T |
| Engine displacement (cm3) | 3117 | 4156 | 4156 | 4156 |
| Piston dimension / stroke (mm) | 105×120 | 105×120 | 105×120 | 105×120 |
| Maximum engine power (hp) / rpm | 53/2200 | 61/2200 | 72/2200 | 82/2200 |
| Torque (Nm) / rpm | 227/1500 | 262/1500 | 308/1500 | 349/1500 |
| Number of gears (front + rear) | 10+2/12+12 | 10+2/12+12 | 10+2/12+12 | 10+2/12+12 |
| Number of synchronized gears (front+rear) | 20+4 | 20+4 | 20+4 | 20+4 |
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| Speed-Shift | 8/10+10/16 | 8/10+10/16 | 8/10+10/16 | 8/10+10/16 |
| Type of reverse | – | – | – | – |
| Driving speed (km/h) | 1,6-38 | 1,6-38 | 1,6-38 | 1,6-38 |
| Max Driving speed (km/h) | 35/40/40 | 35/40/40 | 35/40/40 | 35/40/40 |
| Hydraulic pump capacity (L/min) | 40 | 40 (50) | 50 | 50 |
| 3-Point Hitch control | mech | mech | mech | mech |
| 3-point hitch max load (kg) | 2100 | 3440 | 4150 | 4150 |
| PTO speed (rpm) | 540 | 540 | 540 | 540 |
| Disc brake type (dry / wet) | – | – | – | – |
| Type of control of the braking system | – | – | – | – |
| Turning radius 2WD (m) | 7,4 | 7,6 | 7,6 | 7,6 |
| Turning radius 4WD (m) | 8 | 8,9 | 8,9 | 8,9 |
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| Front wheel 2WD | 7,50-16 | 9,00-16 | 9,00-16 | 9,00-16 |
| Front wheel 4WD | 11,2-24 | 12,4-24 | 12,4-24 | 12,4-24 |
| Rear wheel 2WD | 14,9-28 | 16,9-34 | 16,9-34 | 16,9-34 |
| Rear wheel 4WD | 16,9-30 | 16,9-34 | 16,9-34 | 16,9-34 |
| 2WD total weight (kg) | 3045 | 3130 | 3130 | 3350 |
| 4WD total weight (kg) | 3375 | 3655 | 3655 | 3710 |
| Total height with cabin (cm) | 257 | 267 | 267 | 267 |
| Total length (cm) | 367 | 385 | 385 | 385 |
| Total width (cm) | 212/207 | 226/223 | 226/223 | 226/223 |
| Fuel tank capacity (l) | 120 | 120 | 120 | 120 |
| Cabin sound level (dB) | 83 | 83 | 83 | 83 |
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