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990K Steel Mill 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 at a lower cost per ton. The Cat 990 Wheel Loader has been a proven performer in steel mill applications where larger machines have typically been used. The 990K Steel Mill Arrangement brings all new levels of performance, safety, operator comfort and efficiency in pit digging and skull handling applications.

Informações Tećnicas

  • Net Power: 521 kW
  • Operating Weight: 92848 kg
  • Bucket Capacities: 8.6-9.2 m3 (11.2-12.0 yd3)

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 %
  • Emissions: U.S. EPA Tier 4 Final/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: 1800 r/min / 1800 r/min
  • 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: 92848 kg / 204693 lb
  • Rated Payload: 15.88 t / 17.5 t
  • Bucket Capacity Range: 8.6 m3-9.2 m3 (11.25 yd3-12.0 yd3)
  • Cat Truck Match – Standard: 773-775
  • Rated Payload – Standard: 15.88 t / 17.5 t

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): 84 l/min / 22.2 gal/min
  • Maximum Flow at 1,800 rpm (2): 817 l/min / 216 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

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)

Buckets

  • Bucket Capacities: 8.6-9.2 m3 (11.2-12.0 yd3)

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°

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
  • Total Hydraulic Cycle Time – Empty Bucket: 15.9 s / 15.9 s

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 – Standard Lift – Approximate

  • B-Pin Height – Maximum Lift: 5867 mm / 19.2 ft
  • Clearance at Maximum Lift: 4077 mm / 13.4 ft
  • Dump Angle at Maximum Lift: 47.4 degrees
  • Front Axle Centerline to Bucket Tip: 4338 mm / 14.2 ft
  • Ground to Bumper Clearance: 1079 mm / 3.5 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
  • Maximum Overall Height – Bucket Raised: 8231 mm / 27 ft
  • Maximum Overall Length: 12733 mm / 41.8 ft
  • Rack Angle at Maximum Lift: 63.7 degrees
  • Rack Back Angle – Carry: 48.8 degrees
  • Rack Back Angle – Ground Level: 40.4 degrees
  • Reach – Maximum Lift: 2193 mm / 7.2 ft
  • Rear Axle – Centerline to Bumper: 3795 mm / 12.5 ft
  • Wheel Base: 4600 mm / 15.1 ft

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