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7495 HF 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 HF with Rope Crowd features AC IGBT electrics for greater uptime, lower operating costs and faster cycle times. Its high-flotation undercarriage designed for the oil sands ensures low ground-pressure for improved digging and loading in poor underfoot conditions. The state-of-the-art operator’s cab is the most comfortable and productivity-enhancing in the industry. The 7495 HF with Rope Crowd is available with a number of new technologies that provide operator assist and machine self-protection, enable proactive maintenance, and deliver real-time information on productivity and performance. An entirely electric machine, the 7495 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
120 t
109 t
Dipper Capacity
30.6-62.7 m3 (40-82 yd3)
Dipper Payload (Available Dipper Payloads Up To 109 Tonnes [120 tons] When Specified)
120 t
109 t
Note
Dependent on application and material density
Weights
Working Weight - With Dipper and Standard Links
3155000 lb
1431064 kg
Ballast - Furnished By Customer
667150 lb
302614 kg
Note (1)
These weights will vary slightly depending upon dipper and optional equipment selection
Note (2)
All specifications are based on a 45 m3 (59 yd3) dipper and standard 317.5 cm (125 in) crawlers.
Main Structures
Planetary Propel
Dual-motor independent drive
Ground Bearing Pressure - Total Effective Bearing Area (317.5 cm/125 in) Treads
57 m2 (247 kPa); 614 ft2 (36 psi)
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 317.5 cm (125 in) Treads
41.67 in
12.7 cm
Ground Bearing Pressure - Note
Ground bearing pressure is dependent upon many factors
Upper Works Overall Width - Including Standard Walkways
41.99 in
12.8 cm
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.
Lube System
Type
Automatic, single-line system for open gear lubricant and grease
Components (1)
Six pumps (four for open gear lubricant and two for grease) located in an insulated, heated, double-walled lube room
Electrical
Power Requirements - Average Power Demand
934-1308 kW
Power Requirements - 50 Hz
6,000V, 6,600V, 7,200V, 11,000V
Power Requirements - Voltage
3 phase, 50/60 Hz, 7,200V
Drive
IGBT Acutrol drive system
Power Requirements - 60 Hz
7,200V, 13,800V
System Voltage - Nominal
50/60 Hz, 7,200V
Power Requirements - Peak power
3737 kW
Note
Other voltage options available to suit customer requirements
Front End
Rope Data - Dipper Trip - Diameter
0.75 in
19 mm
Rope Data - Retract - Diameter
2.5 in
64 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 - Retract - No.
1
Rope Data - Boom Suspension - No.
4
Rope Data - Crowd - Diameter
2.5 in
64 mm
Rope Data - Note
High impact ropes available as an option
Rope Data - Boom Suspension - Diameter
3.25 in
83 mm
Rope Data - Hoist - Diameter
2.75 in
70 mm
Rope Data - Crowd - No.
1
Rope Data - Hoist - No.
2
Rope Data - Dipper Trip - No.
1
Crowd (1)
Rope Crowd with crowd machinery located at the front center of the revolving frame, consisting of motor, brake, drum and gearing. Plastic-impregnated crowd and retract ropes are used to move the dipper handle fore and aft.
Crowd (2)
(Optional) HydraCrowd, hydraulic power skid, located at the front center of the revolving frame deck, powers a large hydraulic cylinder to move the dipper handle fore and aft.
Dimensions - Working Ranges
Maximum Dumping Height
29.53 ft
9 m
Dipper Capacities
30.6-62.7 m3 (40-82 yd3)
Dipper Payload
120 ton (US)
109 t
Operating Weight
3155000 lb
1431064 kg
Dimensions (Approximate) - Optimal Working Ranges*
Cutting Height - Maximum
55 ft
16.8 m
Cutting Radius - Maximum
79.72 ft
24.3 m
Radius of Level Floor
55.77 ft
17 m
Dumping Height - With Clearance to Open Dipper Door
29.53 ft
9 m
Revolving Frame Tail Swing Radius
30.51 ft
9.3 m
Note (1)
Optimal working ranges based on loading a Cat 797F truck.
Note (2)
*All specifications are based on a 45 m3 (59 yd3) dipper and standard 317.5 cm (125 in) crawlers.
Lube System
Components (2)
External fast fill from lower level
Standard/Optional
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