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990K Millyard Arrangement – PÁS CARREGADORAS DE RODAS

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Descrição

Cat Large Wheel Loaders are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to move more material efficiently and safely. The 990K Millyard Arrangement is designed to meet the demands of millyard applications. The features of the 990K Millyard work together to provide a durable and reliable machine to meet the needs of the modern millyard.

Informações Tećnicas

  • Net Power: 521 kW
  • Operating Weight: 91807 kg

Mais informações

Engine

  • Net Power: 521 kW / 699 HP
  • Engine Model: Cat® C27
  • Bore: 137.2 mm / 5.4 in
  • Stroke: 152.4 mm / 6 in
  • Displacement: 27.03 l / 1649.5 in³
  • Torque Rise: 18 % / 18 %
  • Rated Speed: 1,800 rpm
  • Emissions: U.S. EPA Tier 4 Final or Tier 2 equivalent
  • Gross – ISO 14396: 561 kW / 752 HP
  • Net Power – SAE J1349: 521 kW / 699 HP
  • Peak Torque – 1,200 rpm: 3557 N·m / 2624 lb/ft
  • Rated Speed – Gross – ISO 14396: 561 kW / 752 HP
  • Rated Speed – Gross – SAE J1995: 571 kW / 766 HP
  • Rated Speed – Net Power – SAE J1349 – High Ambient: 483 kW / 648 HP
  • Rated Speed – Net Power – SAE J1349 – Standard Ambient: 521 kW / 699 HP

Operating Specifications

  • Operating Weight: 91807 kg / 202398 lb
  • Tipping Load – Articulated 35°: 37148 kg / 81896 lb
  • Tipping Load – Straight: 42180 kg / 92990 lb

Transmission

  • Transmission Type: Cat planetary power shift
  • Forward – 1: 7.3 km/h / 4.5 mile/h
  • Forward – 2: 13.3 km/h / 8.3 mile/h
  • Forward – 3: 22.9 km/h / 14.2 mile/h
  • Reverse – 1: 7.9 km/h / 4.9 mile/h
  • Reverse – 2: 14.7 km/h / 9.1 mile/h
  • Reverse – 3: 24.9 km/h / 15.5 mile/h
  • Direct Drive – Forward 1: Lock-up disabled
  • Direct Drive – Forward 2: 13.7 km/h / 8.5 mile/h
  • Direct Drive – Forward 3: 24.5 km/h / 15.2 mile/h
  • Direct Drive – Reverse 1: 8.7 km/h / 5.4 mile/h
  • Direct Drive – Reverse 2: 15.4 km/h / 9.6 mile/h
  • Direct Drive – Reverse 3: 26.4 km/h / 16.4 mile/h
  • Note: Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.

Hydraulic System – Lift/Tilt

  • Cylinders, Double Acting – Lift, Bore and Stroke: 254 mm × 1264 mm (10.0 in × 49.8 in)
  • Cylinders, Double Acting – Tilt, Bore and Stroke: 317.5 mm × 819 mm (12.5 in × 32.2 in)
  • Lift/Tilt System: Variable displacement piston
  • Lift/Tilt System – Circuit: Positive flow control
  • Maximum Flow at 1,800 rpm (1): 817 l/min / 216 gal/min
  • Maximum Flow at 1,800 rpm (2): 84 l/min / 22.2 gal/min
  • Pilot System: Open loop and pressure reducing
  • Relief Valve Setting: 3500 kPa / 507 psi
  • Relief Valve Setting – Lift/Tilt: 33000 kPa / 4786 psi

Hydraulic Cycle Times

  • Raise: 9.4 s / 9.4 s
  • Dump: 2.9 s / 2.9 s
  • Lower: 3.7 s / 3.7 s
  • Lower Float Down: 3.6 s / 3.6 s
  • Rack Back: 4.8 s / 4.8 s

Service Refill Capacities

  • Fuel Tank: 1114 l / 294.3 gal (US)
  • Cooling System: 208 l / 54.9 gal (US)
  • Transmission: 110 l / 29.1 gal (US)
  • Differential – Final Drives – Front: 271 l / 71.6 gal (US)
  • Differential – Final Drives – Rear: 261 l / 68.9 gal (US)
  • Engine Crankcase: 75.7 l / 20 gal (US)
  • Hydraulic System Factory Fill: 795 l / 210 gal (US)
  • Hydraulic Tank – Implement and Hydraulic Fan: 261 l / 68.9 gal (US)
  • Hydraulic Tank – Steering and Braking: 132 l / 34.9 gal (US)

Axles

  • Front: Fixed
  • Rear: Trunnion
  • Oscillation Angle: 8.5°

Brakes

  • Brakes: SAE J1473 OCT90, ISO 3450:1992

Hydraulic System – Steering

  • Maximum Flow at 1,400 rpm: 358 l/min / 94.5 gal/min
  • Relief Valve Setting – Steering: 32000 kPa / 4641 psi
  • Steering System – Circuit: Pilot, load sensing
  • Steering System – Pump: Piston, variable displacement
  • Total Steering Angle: 70°

Sound Performance – Standard

  • Machine Sound Level (ISO 6395:2008): 115 dB(A) / 115 dB(A)
  • Operator Sound Level (ISO 6396:2008): 69 dB(A) / 69 dB(A)

Sound Performance – Suppression

  • Machine Sound Level (ISO 6395:2008): 113 dB(A) / 113 dB(A)
  • Operator Sound Level (ISO 6396:2008): 69 dB(A) / 69 dB(A)

Dimensions – Millyard Linkage – Approximate

  • Dump Angle at Maximum Lift: 29.3 degrees
  • Fork Height at Maximum Lift: 5591 mm / 18.3 ft
  • Fork Height with Level Arms: 2708 mm / 8.9 ft
  • Fork Top Clamp Opening: 3745 mm / 12.3 ft
  • Front Axle Centerline to Fork Tip: 5362 mm / 17.6 ft
  • Ground to Bumper Clearance: 959 mm / 3.1 ft
  • Ground to Center of Front Axle: 1186 mm / 3.9 ft
  • Ground to Lower Hitch Clearance: 596 mm / 2 ft
  • Ground to Top of Exhaust Stacks: 5049 mm / 16.6 ft
  • Ground to Top of Hood: 3862 mm / 12.7 ft
  • Ground to Top of ROPS: 5240 mm / 17.2 ft
  • Hinge Pin Height at Maximum Lift: 5903 mm / 19.4 ft
  • Maximum Overall Length: 13840 mm / 45.4 ft
  • Rear Axle – Centerline to Bumper: 3795 mm / 12.5 ft
  • Wheel Base: 4600 mm / 15.1 ft

Forks

  • Fork End Area: 7.2 m² / 78 ft²

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