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

Dimensions

Dipper Payload
90t
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
2856700lb
Ballast - Furnished By Customer
574000lb
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)
343ft²
Crawler Dimensions - Overall Width 274.3 cm (108 in) Treads
34.75ft
Ground Bearing Pressure - 213.4 cm (84 in) Treads - Standard
58psi
Ground Bearing Pressure - Total Effective Bearing Area (2)
442ft²
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
32.75ft
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
46psi
Upper Works Overall Width - Including Standard Walkways
44.25ft
Planetary Propel
Dual-motor independent drive.

Optimal Working Ranges*

Radius of Level Floor
52.49ft
Dumping Height - With Clearance to Open Dipper Door
30.84ft
Cutting Height - Maximum
48.75ft
Revolving Frame Tail Swing Radius
30.51ft
Cutting Radius - Maximum
74.75ft
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.
Components (2)
External fastfill from lower level.

Electrical

Power Requirements - 60 Hz
7,200V
Power Requirements - 50 Hz
6,000V, 6,600V, 7,200V, 11,000V
Power Requirements - Peak power
4466HP
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
3.25in
Rope Data - Dipper Trip - Diameter
0.625in
Rope Data - Hoist - No.
2
Rope Data - Note
High impact ropes available as an option.
Rope Data - Crowd - Diameter
2.5in
Rope Data - Retract - Diameter
2.5in
Rope Data - Crowd - No.
1
Rope Data - Hoist - Diameter
2.75in
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

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