Caterpillar-7495 with HydraCrowd

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Caterpillar 7495 with HydraCrowd Base

Variants

Specifications of Caterpillar 7495 with HydraCrowd Base

Weights

  • Ballast (furnished by customer) 302614.0 kg
  • General purpose dipper - 56 m3 (73 yd3) 80603.0 kg
  • Net weight, domestic, without ballast or dipper 999182.0 kg
  • Note These weights will vary slightly depending upon dipper and optional equipment selection.
  • Working weight, with dipper and standard links 1382400.0 kg

Dimensions

  • Dipper capacity 30.6-61.2 m3 (40-80 yd3)
  • Dipper payload 100.0 tonnes
  • Dipper payload (Available dipper payloads up to 109 tonnes [120 tons] when specified) 100.0 tonnes
  • Effective length of dipper handle 10.9 m
  • Length of boom 20.4 m
  • Overall length of dipper handle 14.3 m

Electrical

  • Distribution System Requirements - Machine on separate system 4000 kVA
  • Drive IGBT Acutrol drive system
  • Lights HPS lights on boom feet, top of A-frame, machinery house, lube room, control room, and utility room.
  • Lights 1 Incandescent lights for ground lights and on walkways.
  • Main Electrical Systems - Lighting transformer 25 kVA, 120/240V secondary
  • Main Electrical Systems - System voltage (nominal) 50/60 Hz, 7200V
  • Main Electrical Systems - Trail cable (furnished by customer) SHD-3-#1/0 at 8000V
  • Main Electrical Systems - Transformer, auxiliary 350 kVA, 7200V primary
  • Power Requirements - Average 15-minute demand 926-1297 kW
  • Power Requirements - Peak power 3706 kW
  • Power Requirements - Voltage 3 phase, 50/60 Hz, 7200V (Other voltage options available to suit customer requirements.)
  • System voltage (nominal) 50/60 Hz, 7200V
  • Trail cable (supplied by customer) SHD-3-#1/0 at 8000V
  • Transformer, auxiliary 350 kVA, 7200V primary

Dimensions/Working Ranges

  • Dipper capacities 30.6-61.2 m3 (40-80 yd3)
  • Dipper payload 109.0 tonnes
  • Maximum dumping height 10.06 m
  • Maximum dumping radius 21. 64 m
  • Operating weight 1382400.0 kg

Main Structures

  • Crawler Mounting - Number and diameter of rollers: Lower (16) 78.0 cm
  • Crawler Mounting - Number and diameter of rollers: Lower rear (2) 106.7 cm
  • Crawler Mounting - Number and diameter of rollers: Upper Slides
  • Crawler Mounting - Number and pitch of treads (94) 50.8 cm
  • Crawler Mounting - Overall length of mounting 11.43 m
  • Crawler Mounting - Overall width 200.7 cm (79 in) treads, standard 11.0 m
  • Crawler Mounting - Overall width 259.1 cm (102 in) treads 13.5 m
  • Crawler Mounting - Take-up tumblers diameter 162.0 cm
  • Crawler Mounting - Total effective bearing area (200.7 cm treads) 36.1 m2 (374 kPa); 388.6 ft2 (54.2 psi)
  • Crawler Mounting - Total effective bearing area (259.1 cm treads) 46.6 m2 (289 kPa); 501.7 ft2 (50 psi)
  • Hoist A planetary gearbox with dual-output pinions provides the hoist torque transfer from the electric motor to the hoist drum gear.
  • Planetary Propel Dual-motor independent drive
  • Revolving Frame (Center Section) - Welded, impact-resistant steel: Length 8.38 m
  • Revolving Frame (Center Section) - Welded, impact-resistant steel: Width 3.68 m
  • Swing Two planetary gearboxes, each driven by a vertically mounted motor, are mounted on either side of the revolving frame.
  • Swing (cont'd) Dual-output pinion shafts from each gearbox engage the swing rack.
  • Turntable - Forged rim, alloy steel swing rack pitch diameter 5.26 m
  • Turntable - Number of tapered rollers 50
  • Turntable - Tapered rollers diameter 27.31 cm
  • Turntable - Tapered, forged alloy steel roller rails diameter 4.52 m
  • Turntable - Teeth external cut (face) 24.13 cm

Lube System

  • Components Six pumps (four for lubricant and two for grease) located in an insulated, double-walled lube room
  • Type Single-line system applies lubricant and grease via the PLC

Front End

  • Boom - Boom welded, impact-resistant steel
  • Boom - Boom point sheave diameters 243.84 cm
  • Boom - Boom point sheaves twin-grooved, flame-hardened
  • Boom - Handle diameter 86.36 cm
  • Boom - Wall thickness (nominal) 7.62 cm
  • Crowd (Optional) Plastic-coated crowd and retract ropes are used to move the dipper handle fore and aft.
  • Crowd - Hydraulic cylinder bore diameter (nominal) 35.6 cm
  • Crowd - Hydraulic cylinder rod diameter (nominal) 25.4 cm
  • Crowd 1 (Optional) Rope Crowd consists of motor, brake, drum and gearing.
  • Crowd 2 HydraCrowd powers a large hydraulic cylinder to move the dipper handle fore and aft.
  • Crowd 3 (Optional) Rope Crowd, the crowd machinery is located at the front center of the revolving frame.
  • Crowd 4 HydraCrowd, hydraulic power skid, located at the front center of the revolving frame deck.
  • Rope Data - Boom susp. - Construction struct. strand
  • Rope Data - Boom susp. - Diameter 82.6 mm
  • Rope Data - Boom susp. - No. 4
  • Rope Data - Boom susp. - Type equalized
  • Rope Data - Dipper trip - Construction 7 x 25
  • Rope Data - Dipper trip - Diameter 19.1 mm
  • Rope Data - Dipper trip - No. 1
  • Rope Data - Dipper trip - Type single
  • Rope Data - Hoist - Construction 8 x 37
  • Rope Data - Hoist - Diameter 69.8 mm
  • Rope Data - Hoist - No. 2
  • Rope Data - Hoist - Type twin dual

Dimensions - Optimal Working Ranges

  • Clearance height (boom point sheaves) 20.87 m
  • Clearance radius (boom point sheaves) 19.65 m
  • Clearance under frame (to ground) 3.76 m
  • Clearance under lowest point in truck frame/propel gearcase 0.9 m
  • Dumping height 10.06 m
  • Dumping height at maximum electric crowd limit 8.61 m
  • Height of A-frame 14.0 m
  • Maximum clearance radius (revolving frame) 9.34 m
  • Maximum cutting height 17.8 m
  • Maximum cutting radius 25.2 m
  • Maximum dumping radius 21.64 m
  • Operator’s eye level 10.61 m
  • Overall width 13.11 m
  • Radius of level floor 17.47 m

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