7495 HD Electric Rope Shovel

Overview
Note
Dependent on application and material density.
Length of boom
67 ft
Overall length of dipper handle
47 ft
  • Exterior View
  • Interior View

Dimensions

Note
Dependent on application and material density.
Length of boom
67 ft
Overall length of dipper handle
47 ft
Dipper Payload
90 t
Dipper Capacity
27.5-60.4 m3 (36-79 yd3)
Note
Dependent on application and material density.

Weights

Note
These weights will vary slightly depending upon dipper and optional equipment selection.
Net weight, domestic, without ballast or dipper
2,144,000 lb
Note
All specifications are based on a 32 m3 (42 yd3) dipper and standard 213.4 cm (84 in) treads.
Working Weight - With Dipper and Standard Links
2,856,700 lb
Ballast - Furnished By Customer
574,000 lb
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.

Front End

Rope Data: Hoist – No.
2
Rope Data: Hoist – Diameter
3 in
Rope Data: Crowd – No.
1
Rope Data: Crowd – Diameter
3 in
Rope Data: Retract – No.
1
Rope Data: Retract – Diameter
3 in
Rope Data: Boom suspension – No.
4
Rope Data: Boom suspension – Diameter
3 in
Rope Data: Dipper trip – No.
1
Rope Data: Dipper trip – Diameter
1 in
Rope Data: Note
High impact ropes available as an option.
Rope Data - Dipper trip - Construction
7 x 25
Rope Data - Dipper trip - Diameter
1 in
Rope Data - Dipper trip - No.
1
Rope Data - Dipper trip - Type
single
Rope Data - Hoist - Construction
8 x 37
Rope Data - Hoist - Diameter
3 in
Rope Data - Hoist - No.
2
Rope Data - Hoist - Type
twin dual
Rope Data - Retract - Construction
8 x 37
Rope Data - Retract - Diameter
3 in
Rope Data - Retract - No.
1
Rope Data - Retract - Type
single dual
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.
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 - Boom Suspension - Diameter
3 in
Rope Data - Boom Suspension - No.
4
Rope Data - Crowd - Diameter
3 in
Rope Data - Crowd - No.
1
Rope Data - Dipper Trip - Diameter
1 in
Rope Data - Dipper Trip - No.
1
Rope Data - Hoist - Diameter
3 in
Rope Data - Hoist - No.
2
Rope Data - Note
High impact ropes available as an option.
Rope Data - Retract - Diameter
3 in
Rope Data - Retract - No.
1

Electrical

Power Requirements – Average power demand
832-1165 kW (1,116-1,562 hp)
Power Requirements – Peak power
4,466 hp
Note
Other voltage options available to suit customer requirements.
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
4,466 HP
Note
Other voltage options available to suit customer requirements.

Main Structures

Upper works overall width (including standard walkways)
44 ft
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.
Revolving Frame (Center Section) - Welded, impact-resistant steel: Length
27 ft
Revolving Frame (Center Section) - Welded, impact-resistant steel: Width
14 ft
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
17 ft
Turntable - Number of tapered rollers
56
Turntable - Tapered rollers diameter
8 in
Turntable - Tapered, forged alloy steel roller rails diameter
15 ft
Turntable - Teeth external cut (face)
10 in
Crawler Dimensions - Overall Width 213.4 cm (84 in) Treads, Standard
33 ft
Crawler Dimensions - Overall Width 274.3 cm (108 in) Treads
35 ft
Ground Bearing Pressure
Ground bearing pressure is dependent upon many factors.
Ground Bearing Pressure - 213.4 cm (84 in) Treads - Standard
58 psi
Ground Bearing Pressure - Total Effective Bearing Area (2)
442 ft²
Hoist
A planetary gearbox with dual-output pinions provides the hoist torque transfer from the electric motor to the hoist drum gear.
Ground Bearing Pressure - 274.3 cm (108 in) Treads
46 psi
Ground Bearing Pressure - Total Effective Bearing Area (1)
343 ft²
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.
Upper Works Overall Width - Including Standard Walkways
44 ft

Optimal Working Ranges

Dumping height
35 ft
Dumping height at maximum electric crowd limit
28 ft
Dumping radius (maximum)
69 ft
Height of A-frame
44 ft
Operator’s eye level
28 ft
Overall width
43 ft
Radius of level floor
56 ft

Lights

Types
Incandescent lights on ground lights, walkways and operator’s cab.
Types
HPS lights on boom feet, top of A-frame, machinery house, lube room, control room, utility room and flood lights.

Optimal Working Ranges*

Dumping Height - With Clearance to Open Dipper Door
31 ft
Cutting Height - Maximum
49 ft
Cutting Radius - Maximum
75 ft
Radius of Level Floor
52 ft
Revolving Frame Tail Swing Radius
31 ft
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

Components (1)
6 pumps (4 for open gear lubricant and 2 for grease) located in an insulated, heated, double-walled lube room.
Type
Automatic, single-line system for open gear lubricant and grease.
Components
External fastfill from lower level.
Components (2)
External fastfill from lower level.

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