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772G – CAMIÕES RÍGIDOS

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Descrição

Em 1963, a Caterpillar introduziu o 769, um caminão revolucionário construído especificamente para os trabalhos mais rigorosos da mineração e da construção. Cinquenta anos depois, os nossos camiões continuam melhores. Tirámos o melhor de nossa herança e combinámos isso com tecnologias que ajudam nosso os seus operadores mais produtivos e melhoram drasticamente a economia de sua frota de transporte. Este 772G tem um sistema de controlo de tração atualizado para mantê-lo em movimento quando as condições do solo não são perfeitas. Verá melhorias no uso de combustível e estamos a tornar a experiência do operacional cada vez melhores, reduzindo as condições de ruído e atualizações constantes da cabine. A herança e o novo uso da tecnologia são combinadas neste caminão para uma finalidade – o sucesso contínuo de seus negócios.

Informações Tećnicas

  • Gross Power – SAE J1995: 451 kW
  • Nominal Payload Class (100%): 46.8 t
  • Top Speed – Loaded: 79.2 km/h

Mais informações

Engine

  • Engine Model: Cat® C18 ACERT™
  • Rated Engine Speed: 1700 r/min / 1700 r/min
  • Gross Power – SAE J1995: 451 kW / 605 HP
  • Net Power – SAE J1349: 410 kW / 550 HP
  • Net Power – ISO 9249: 410 kW / 550 HP
  • Number of Cylinders: 6
  • Bore: 145 mm / 5.7 in
  • Stroke: 183 mm / 7.2 in
  • Displacement: 18.1 l / 1105 in³
  • Engine Power – ISO 14396: 446 kW / 598 HP
  • Net Torque – SAE J1349: 3012 N·m / 2221 ft-lb

Weights – Approximate

  • Target Gross Machine Operating Weight: 82100 kg / 181000 lb
  • Chassis Weight: 26863 kg / 59223 lb
  • Body Weight: 7850 kg / 17306 lb
  • Target Gross Machine Weight: 82100 kg / 181000 lb

Operating Specifications

  • Nominal Payload Class (100%): 46.8 t / 51.6 ton (US)
  • Top Speed – Loaded: 79.2 km/h / 49.2 mile/h
  • Body Capacity – SAE 2:1: 31.2 m³ / 40.8 yd³
  • Maximum Payload Class (110%): 51.4 ton (US) / 56.7 ton (US)
  • Not to Exceed Payload (120%): 56.1 ton (US) / 61.9 ton (US)
  • Target Payload Capacity: 46.8 ton (US) / 51.6 ton (US)

Transmission

  • Forward – 1: 12.9 km/h / 8 mile/h
  • Forward – 2: 17.5 km/h / 10.9 mile/h
  • Forward – 3: 23.8 km/h / 14.8 mile/h
  • Forward – 4: 31.9 km/h / 19.8 mile/h
  • Forward – 5: 43.3 km/h / 26.9 mile/h
  • Forward – 6: 58.3 km/h / 36.2 mile/h
  • Forward – 7: 79.2 km/h / 49.2 mile/h
  • Reverse: 16.7 km/h / 10.4 mile/h

Final Drives

  • Differential Ratio: 2.74:1
  • Planetary Ratio: 4.80:1
  • Total Reduction Ratio: 13.14:1

Brakes

  • Brake Surface – Front: 1395 cm² / 216 in²
  • Brake Surface – Rear: 50281 cm² / 7794 in²
  • Brake Standards: ISO 3450:1996

Body Hoists

  • Pump Flow – High Idle: 448 l/min / 118 gal/min
  • Relief Valve Setting – Raise: 18950 kPa / 2750 psi
  • Relief Valve Setting – Lower: 3450 kPa / 500 psi
  • Body Raise Time – High Idle: 7.5 s / 7.5 s
  • Body Lower Time – Float: 10 s / 10 s
  • Body Power Down – High Idle: 10 s / 10 s

Capacity – Dual Slope – 100% Fill Factor

  • Heaped 2:1 (SAE): 31.2 m³ / 40.8 yd³
  • Struck: 23.9 m³ / 31.3 yd³

Capacity – Flat Floor – 100% Fill Factor

  • Heaped 2:1 (SAE): 31.3 m³ / 40.9 yd³
  • Struck: 23.9 m³ / 31.3 yd³

Weight Distributions – Approximate

  • Front Axle – Empty: 51.4 % / 51.4 %
  • Front Axle – Loaded: 34.2 % / 34.2 %
  • Rear Axle – Empty: 48.6 % / 48.6 %
  • Rear Axle – Loaded: 65.8 % / 65.8 %

Suspension

  • Rear axle – Oscillation: 8.9 ° / 8.9 °
  • Empty Loaded Cylinder Stroke Front: 234 mm / 9.2 in
  • Empty Loaded Cylinder Stroke Rear: 149 mm / 5.8 in

Service Refill Capacities

  • Fuel Tank: 530 l / 140 gal (US)
  • Cooling System: 125 l / 33 gal (US)
  • Differential – Final Drives: 180 l / 47 gal (US)
  • Steering Tank: 55 l / 14.5 gal (US)
  • Steering System – Including Tank: 87 l / 23 gal (US)
  • Brake Hoist System: 227 l / 60 gal (US)
  • Brake/Hoist Hydraulic Tank: 145 l / 38 gal (US)
  • Crankcase: 64 l / 17 gal (US)
  • DEF Tank: 21 l / 6 gal (US)
  • Torque Converter – Transmission System: 64 l / 17 gal (US)

Tires

  • Standard Tire: 21.00R33 (E4)

ROPS

  • FOPS Standards: FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria.
  • ROPS Standards: ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.

Sound

  • Sound Standards (1): Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.
  • Sound Standards (2): Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 115 dB(A).
  • Sound Standards (3): Operator Equivalent Sound Pressure Level (Leq) is 74 dB(A) when ISO 6396:2008 is used to measure the value for an enclosed cab.

Steering

  • Turning Diameter – Front: 17.6 m / 57.7 ft
  • Steering Standards: ISO 5010:2007
  • Steer Angle: 31 ° / 31 °
  • Turning Circle – Clearance Diameter: 20.3 m / 66.6 ft

Dimensions

  • Height – Top of ROPS: 3901 mm / 12.8 ft
  • Inside Body Depth – Maximum: 1737 mm / 5.7 ft
  • Overall Body Length: 8168 mm / 26.8 ft
  • Inside Body Length: 5781 mm / 19 ft
  • Overall Length: 8808 mm / 28.9 ft
  • Wheel Base: 3960 mm / 13 ft
  • Rear Axle – Tail: 2895 mm / 9.5 ft
  • Ground Clearance: 518 mm / 1.6 ft
  • Dump Clearance: 457 mm / 1.5 ft
  • Loading Height – Empty: 3541 mm / 11.6 ft
  • Overall Height – Body Raised: 8257 mm / 27.1 ft
  • Operating Width: 4780 mm / 15.7 ft
  • Centerline Front Tire Width: 3165 mm / 10.4 ft
  • Engine Guard Clearance: 611 mm / 2 ft
  • Outside Body Width: 3931 mm / 12.9 ft
  • Inside Body Width: 3627 mm / 11.9 ft
  • Front Canopy Height: 4164 mm / 13.7 ft
  • Rear Axle – Clearance: 579 mm / 1.9 ft
  • Centerline of Rear Dual Tire Width: 2651 mm / 8.7 ft
  • Overall Tire Width: 3931 mm / 12.9 ft

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