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7495 HD Electric Rope Shovel

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Product Description

Cat® Electric Rope Shovels combine immense payload capability with low maintenance requirements and high reliability to deliver the lowest cost-per-ton loading solution for long-life mines. The Cat 7495 HD is a smaller, tougher version of the 7495. Like the 7495, it features AC IGBT electrics for greater uptime, lower operating costs and faster cycle times. The 7495 HD is cleaner and more efficient than diesel-powered machines, plus its regenerative braking technology feeds electrical energy back to the grid.

Specifications
Us
Metric
Dimensions
Dipper Payload
90 t
82 t
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
2856700 lb
1295777 kg
Ballast - Furnished By Customer
574000 lb
260362 kg
Note (1)
These weights will vary slightly depending upon dipper and optional equipment selection.
Note (2)
All specifications are based on a 32 m3 (42 yd3) dipper and standard 213.4 cm (84 in) treads.
Main Structures
Ground Bearing Pressure
Ground bearing pressure is dependent upon many factors.
Ground Bearing Pressure - Total Effective Bearing Area (1)
343 ft²
32 m²
Crawler Dimensions - Overall Width 274.3 cm (108 in) Treads
34.75 ft
10.6 m
Ground Bearing Pressure - 213.4 cm (84 in) Treads - Standard
58 psi
400 kPa
Ground Bearing Pressure - Total Effective Bearing Area (2)
442 ft²
41 m²
Hoist
A planetary gearbox with dual-output pinions provides the hoist torque transfer from the electric motor to the hoist drum gear.
Crawler Dimensions - Overall Width 213.4 cm (84 in) Treads, Standard
32.75 ft
10 m
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.
Ground Bearing Pressure - 274.3 cm (108 in) Treads
46 psi
316 kPa
Upper Works Overall Width - Including Standard Walkways
44.25 ft
13.5 m
Planetary Propel
Dual-motor independent drive.
Optimal Working Ranges*
Radius of Level Floor
52.49 ft
16 m
Dumping Height - With Clearance to Open Dipper Door
30.84 ft
9.4 m
Cutting Height - Maximum
48.75 ft
14.9 m
Revolving Frame Tail Swing Radius
30.51 ft
9.3 m
Cutting Radius - Maximum
74.75 ft
22.8 m
Note (1)
Optimal working ranges based on loading a Cat® 793F truck.
Note (2)
*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 (1)
6 pumps (4 for open gear lubricant and 2 for grease) located in an insulated, heated, double-walled lube room.
Electrical
Power Requirements - 60 Hz
7,200V
Power Requirements - 50 Hz
6,000V, 6,600V, 7,200V, 11,000V
Power Requirements - Peak power
4466 hp
3330 kW
Power Requirements - Voltage
3 phase, 50/60 Hz, 7,200V
Power Requirements - Average Power Demand
832-1165 kW (1,116-1,562 hp)
Drive
IGBT Acutrol drive system.
Note
Other voltage options available to suit customer requirements.
Front End
Rope Data - Boom Suspension - Diameter
3.25 in
83 mm
Rope Data - Dipper Trip - Diameter
0.625 in
16 mm
Rope Data - Hoist - No.
2
Rope Data - Note
High impact ropes available as an option.
Rope Data - Crowd - Diameter
2.5 in
64 mm
Rope Data - Retract - Diameter
2.5 in
64 mm
Rope Data - Crowd - No.
1
Rope Data - Hoist - Diameter
2.75 in
70 mm
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 - Boom Suspension - No.
4
Rope Data - Retract - No.
1
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.
Rope Data - Dipper Trip - No.
1
Lube System
Components (2)
External fastfill from lower level.
Standard/Optional
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