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Electric Rope Shovels

At Caterpillar, we’re always thinking of new ways to meet our customers’ needs. It’s how we constantly improve on the electric rope shovel and provide the extreme levels of productivity and cost-effectiveness that our global customers demand.

7495 HD Electric Rope Shovel

  • Specification Summary

  • Dipper payload 82 tonnes
  • Dipper capacity 27.5-60.4 m3 (36-79 yd3)
  • Note Dependent on application and material density.
  • Working weight, with dipper and standard links 1295777 kg
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Product Details

Dimensions

Dipper payload 82 tonnes
Dipper capacity 27.5-60.4 m3 (36-79 yd3)
Note Dependent on application and material density.

Weights

Working weight, with dipper and standard links 1295777 kg
Ballast (furnished by customer) 260362 kg
Note All specifications are based on a 32 m3 (42 yd3) dipper and standard 213.4 cm (84 in) treads.

Front End

Components One piece, forged, seamless tubular dipper handle and wide-spread boom point sheaves equipped with hoist ropes and dipper padlocks to stabilize dipper handle.
Rope Data: Hoist – No. 2
Rope Data: Hoist – Diameter 70 mm
Rope Data: Crowd – No. 1
Rope Data: Crowd – Diameter 64 mm
Rope Data: Retract – No. 1
Rope Data: Retract – Diameter 64 mm
Rope Data: Boom suspension – No. 4
Rope Data: Boom suspension – Diameter 83 mm
Rope Data: Dipper trip – No. 1
Rope Data: Dipper trip – Diameter 16 mm
Rope Data: Note High impact ropes available as an option.
Crowd Rope Crowd: the crowd machinery is located at the front center of the revolving frame; consisting of a motor, brake, drum and gearing. Plastic-impregnated crowd and retract ropes are used to move the dipper handle fore and aft.

Electrical

Drive IGBT Acutrol drive system.
Power Requirements – Voltage 3 phase, 50/60 Hz, 7,200V
Power Requirements – 50 Hz 6,000V, 6,600V, 7,200V, 11,000V
Power Requirements – 60 Hz 7,200V
Power Requirements – Average power demand 832-1165 kW (1,116-1,562 hp)
Power Requirements – Peak power 3330 kW
Note Other voltage options available to suit customer requirements.

Main Structures

Upper works overall width (including standard walkways) 13.5 m
Crawler Dimensions – Overall width 213.4 cm (84 in) treads, standard 10 m
Crawler Dimensions – Overall width 274.3 cm (108 in) treads 10.6 m
Ground Bearing Pressure – Total effective bearing area 41 m2
Ground Bearing Pressure – 213.4 cm (84 in) treads, standard 400 kPa
Ground Bearing Pressure – 274.3 cm (108 in) treads 316 kPa
Ground Bearing Pressure Ground bearing pressure is dependent upon many factors.
Planetary Propel Dual-motor independent drive.
Swing Two planetary gearboxes, each driven by a vertically mounted motor, are located on either side of the revolving frame. Dual-output pinion shafts from each gearbox engage the swing rack.
Hoist A planetary gearbox with dual-output pinions provides the hoist torque transfer from the electric motor to the hoist drum gear.

Optimal Working Ranges*

Dumping height – with clearance to open dipper door 9.4 m
Cutting height (maximum) 14.9 m
Cutting radius (maximum) 22.8 m
Radius of level floor 16.0 m
Revolving frame tail swing radius 9.3 m
Note *All specifications are based on a 32 m3 (42 yd3) dipper and standard 213.4 cm (84 in) treads.

Lube System

Type Automatic, single-line system for open gear lubricant and grease.
Components External fastfill from lower level.
Catepillar Equipments