Renault 461S, 551S, 651S, 681S, 751S, 781S, 851S ⚙️ Specs

Technical Specifications of the Renault 461S Agricultural Tractor:

Renault 461S Agricultural Tractor, produced from 1980 to 1987, is equipped with an MWM D327-3 engine with a displacement of 2827 cm³. This three-cylinder engine delivers a maximum power of 46 HP at 2150 RPM and a torque of 175 Nm at 1500 RPM. The powertrain features a mechanical transmission with a shuttle shift, offering 10 forward and 2 reverse gears, including 2 synchronized gears, enabling speeds between 0.9 and 23.4 km/h. The hydraulic system includes a pump with a capacity of 24.7 l/min and a mechanically controlled rear lift with a maximum lifting capacity of 2500 kg. The PTO runs at 540 RPM. The braking system is hydraulically controlled. The turning radius is 6.7 m for the 2WD version and 9.3 m for the 4WD. Tire sizes for the 2WD version are 6.00-16 (front) and 13.6-28 (rear), while the 4WD version has 9.5-24 (front) and 14.9-28 (rear). The total weight is 2305 kg for the 2WD model and 2910 kg for the 4WD model. The tractor has a height of 236 cm, a length of 345 cm, a width of 210 cm, and a fuel tank capacity of 65 liters. The cabin noise level is 89 dB.

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Technical Data Sheet for Renault 461S, 551S, 651S, 681S, 751S, 781S, 851S tractors:

Model Renault 461S Renault 551S Renault 651S Renault 681S Renault 751S Renault 781S Renault 851S
Years of production 80-87 80-86 80-87 80-86 79-86 80-85 80-89
Engine designation/type MWM D327-3 MWM D226-3 MWM D227-4 MWM D227-4 MWM D226-4 MWM D226-4 MWM TD226-4
Number of cylinders / Turbo / Intercooler 3 3 4 4 4 4 4T
Engine displacement (cm³) 2827 3117 3770 3770 4154 4154 4154
Piston diameter / Stroke (mm) 100×120 105×120 100×120 100×120 105×120 105×120 105×120
Maximum engine power (HP) / at RPM 46/2150 55/2350 65/2350 68/2350 75/2350 78/2350 85/2350
Torque (Nm) / at RPM 175/1500 192/1500 220/1500 230/1500 266/1500 270/1500 300/1500
Number of gearbox speeds (forward + reverse) 10+2 12+12 12+12 12+12 12+12 12+12 12+12
Number of synchronized gears (forward + reverse) 2 12+12 12+12 12+12 12+12 12+12 12+12

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Fast gearbox / Power shift
Reverser type mech mech mech mech mech mech mech
Speed range (km/h) 0,9-23,4 0,7-26,9 0,8-28,9 0,8-28,7 1,3-29,4 1,3-29,4 1,2-26,8
Maximum speed (km/h)
Hydraulic pump capacity (L/min) 24,7 27,1 27,1 30,3 30,3 33 33
Rear three-point hitch (TUV) control type mech mech mech mech mech mech mech
Maximum rear three-point hitch (TUV) lift capacity (kg) 2500 2500 2500 3850 3850 4500 4500
Power take-off (PTO) speed (RPM) 540 540/1000 540/1000 540/1000 540/1000 540/1000 540/1000
Type of disc brake (dry/wet)
Brake system control type hydr hydr hydr hydr hydr hydr hydr
Turning radius 2WD (m) 6,7 6,7 6,8 8 9,8 7,6 7,6
Turning radius 4WD (m) 9,3 11,4 9,8 10,1 11,9 11,9

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Front tire size 2WD 6,00-16 6,50-16 7,50-16 7,50-18 9,00-16 7,50-18 7,50-18
Front tire size 4WD 9,5-24 11,2-24 11,2-24 13,6-24 13,6-24 13,6-24
Rear tire size 2WD 13,6-28 14,9-28 12,4-36 16,9-30 13,6-38 16,9-34 16,9-34
Rear tire size 4WD 14,9-28 16,9-28 16,9-30 16,9-34 16,9-34 16,9-34
Total weight 2WD (kg) 2305 2415 2695 2950 3120 3200 3240
Total weight 4WD (kg) 2910 3175 3595 3660 3965 3965
Total height with cabin (cm) 236 239 241 244 251 264 270
Total length (cm) 345 352/370 361/380 381/397 383/404 399/412 399/412
Total width (cm) 210 211/210 224/223 237/241 237/241 242 242
Fuel tank capacity (L) 65 65 65 82 77 77 77
Cabin noise level (dB) 89 88 89 87 88 85,5

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