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Overview

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 HydraCrowd 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 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 HF is cleaner and more efficient than diesel-powered machines, plus its regenerative braking technology feeds electrical energy back to the grid.

Key Features

More Comfort. More Performance. More Versatility.

Reducing Environmental Impact

Using power efficiently, producing zero direct carbon emissions and regenerating power back to the grid

Efficiency-Boosting Operator Assist Technology

Reduces poor digging practices, enables consistent operator performance and provides equal or better cycle times

Leader in Reliability and Uptime

With proven AC IGBT Electric Drive System that is streamlined, simple and easy to maintain

Specifications

Dipper Payload120 t
Dipper Capacity30.6-62.7 m3 (40-82 yd3)
Dipper Payload (Available Dipper Payloads Up To 109 Tonnes [120 tons] When Specified)120 t
NoteDependent on application and material density
Working Weight - With Dipper and Standard Links3164000 lb
Ballast - Furnished By Customer667150 lb
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.
Planetary PropelDual-motor independent drive
SwingTwo 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.
Crawler Dimensions - Overall Width 317.5 cm (125 in) Treads41.67 in
HoistA planetary gearbox with dual-output pinions provides the hoist torque transfer from the electric motor to the hoist drum gear.
Ground Bearing Pressure - NoteGround bearing pressure is dependent upon many factors
Upper Works Overall Width - Including Standard Walkways41.99 in
Ground Bearing Pressure - Total Effective Bearing Area (317.5 cm/125 in) Treads57 m2 (248 kPa); 614 ft2 (36 psi)
TypeAutomatic, 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
Components (2)External fast fill from lower level
DriveIGBT Acutrol drive system
System Voltage - Nominal50/60 Hz, 7,200V
Power Requirements - Voltage3 phase, 50/60 Hz, 7,200V
NoteOther voltage options available to suit customer requirements
Power Requirements - 50 Hz6,000V, 6,600V, 7,200V, 11,000V
Power Requirements - 60 Hz7,200V, 13,800V
Power Requirements - Peak power3778 kW
Power Requirements - Average Power Demand945-1322 kW
Rope Data - NoteHigh impact ropes available as an option
Rope Data - Hoist - No.2
Rope Data - Hoist - Diameter2.75 in
Rope Data - Dipper Trip - No.1
Rope Data - Boom Suspension - Diameter3.25 in
ComponentsOne 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 - Dipper Trip - Diameter0.75 in
Rope Data - Boom Suspension - No.4
Crowd (1)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.
Crowd (2)(Optional) Rope Crowd, the crowd machinery is 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.
Operating Weight3164000 lb
Dipper Payload120 ton (US)
Maximum Dumping Height29.53 ft
Dipper Capacities30.6-62.7 m3 (40-82 yd3)
Radius of Level Floor55.77 ft
Cutting Height - Maximum55 ft
Dumping Height - With Clearance to Open Dipper Door29.53 ft
Revolving Frame Tail Swing Radius30.51 ft
Cutting Radius - Maximum79.72 ft
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.

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