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Cat® Electric Rope Shovels: Loading Methods Cat® Electric Rope Shovels: Loading Methods
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Dipper Payload120 t (109 t)
Dipper Capacity30.6-62.7 m3 (40-82 yd3)
Working Weight - With Dipper and Standard Links3066000 lb (1390714 kg)
Power Requirements - Peak power3778 kW
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 with HydraCrowd features AC IGBT electrics for greater uptime, lower operating costs and faster cycle times. The state-of-the-art operator’s cab is the most comfortable and productivity-enhancing in the industry. The 7495 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.


Dipper Payload120 t (109 t)
Dipper Capacity30.6-62.7 m3 (40-82 yd3)
Working Weight - With Dipper and Standard Links3066000 lb (1390714 kg)
Power Requirements - Peak power3778 kW
Rope Data - Boom Suspension - No.4
Rope Data - Boom Suspension - Diameter3.25 in (83 mm)
TypeOne 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 - NoteHigh impact ropes available as an option
Rope Data - Dipper Trip - No.1
Rope Data - Hoist - No.2
Rope Data - Hoist - Diameter2.75 in (70 mm)
Dipper Capacities30.6-62.7 m3 (40-82 yd3)
Rope Data - Dipper Trip - Diameter0.75 in (19 mm)
Maximum Dumping Height28.9 ft (8.8 m)
Dipper Payload120 ton (US) (109 t)
Operating Weight3066000 lb (1390714 kg)
Cutting Radius - Maximum80 ft (24.4 m)
Revolving Frame Tail Swing Radius30.5 ft (9.3 m)
Cutting Height - Maximum53.5 ft (16.3 m)
Radius of Level Floor56.1 ft (17.1 m)
Dumping Height - With Clearance to Open Dipper Door28.9 ft (8.8 m)
System Voltage - Nominal50/60 Hz, 7,200V
Power Requirements - 60 Hz7,200V, 13,800V
Power Requirements - Voltage3 phase, 50/60 Hz, 7,200V
Ground Bearing Pressure - Total Effective Bearing Area (259.1 cm/102 in) Treads46.6 m2 (298 kPa); 501.7 ft2 (43 psi)
Ballast - Furnished By Customer667150 lb (302614 kg)
Crawler Dimensions - Overall Width 259.1 cm (102 in) Treads38 ft (11.6 m)
Crawler Dimensions - Overall Width 200.7 cm (79 in) Treads, Standard36 ft (11 m)
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
Power Requirements - Average Power Demand945-1322 kW
Upper Works Overall Width - Including Standard Walkways41.9 ft (12.8 m)
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.
Planetary PropelDual-motor independent drive
Ground Bearing Pressure - Total Effective Bearing Area (200.7 cm/79 in) Treads - Standard36 m2 (382 kPa); 386 ft2 (55 psi)
TypeAutomatic, single-line system for open gear lubricant and grease
Power Requirements - NoteOther voltage options available to suit customer requirements
DriveIGBT Acutrol drive system
Power Requirements - 50 Hz6,000V, 6,600V, 7,200V, 11,000V
Dipper Payload (Available Dipper Payloads Up To 109 Tonnes [120 tons] When Specified)120 t (109 t)
Note (1)Optimal working ranges based on loading a Cat 795F AC truck.
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.
Components (1)Six pumps (four for open gear lubricant and two for grease) located in an insulated, heated, double-walled lube room
Note (1)These weights will vary slightly depending upon dipper and optional equipment selection
NoteDependent on application and material density
Note (2)*All specifications are based on a 56 m3 (73 yd3) dipper and standard 200.7 cm (79 in) crawlers.
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.
Note (2)All specifications are based on a 56 m3 (73 yd3) dipper and standard 200.7 cm (79 in) crawlers.
Components (2)External FastFil from lower level

Benefits and Features


  • Enhanced access and egress with 45-degree rear-facing boarding stair; non-slip stairs, platforms and walkways; and dual-door design that facilitates cab entry and exit and enables a quick escape.
  • Panoramic view from the operator's seat for the best far-side visibility in the industry; cameras that feed five in-cab, overhead monitors to augment line of sight and elevate situational awareness; and high-efficiency, adjustable LED lights.
  • Operator training seat that facilitates safe operator training, with additional emergency stop within reach.
  • Safer maintenance with deck-mounted crowd machinery that allows the majority of crowd maintenance to be completed with protection from machinery house deck; stored energy locations that are clearly marked, and lock-out/tag-out points.
  • Safety-enhanced electrical system, with high voltage DC bus located in the back of the drive cabinet; centralized control rack that keeps personnel away from high voltage components when troubleshooting; and shielding blocks induced currents that eliminate the need for high frequency bonding.

Operator Cab

  • Reduced fatigue-causing vibration resulting from bolstered support and stability of extended machinery house underneath isolator mounted cab.
  • Effortless operation and improved control response resulting from new joysticks with custom-designed ergonomic handles and “finger touch control” spring tension.
  • Climate control system that automatically maintains a preset temperature.
  • State-of-the-art, ergonomic operator seat, plus seat, armrest and footrest that adjust to perfectly fit wide range of body sizes.
  • Intuitive and visually aesthetic display screens that adjust for brightness and contrast to meet operator preference.

Operator Productivity

  • Enhanced in-cab training environment, with first-in-industry three-seat cab design; adjacently positioned trainer seat that provides optimal view of working face, facilitates communication during training, and provides ready access to the trainer emergency stop button.
  • Optional Payload technology, which calculates material moved, monitors overloading of trucks, and empowers operators to study their loading efficiency and shift performance.
  • Optional Operator Assist–Enhanced Motion Control, which enables operators to efficiently load materials and avoid poor digging practices, creates consistent machine performance across operators, and provides equal or better cycle times.

Reliability & Durability

  • IGBT electric drive system with robust welded drive cabinet designed to withstand severe and consistent vibration; isolated, positive-pressure room that protects drive/controller cabinet from dust and debris; and mine-grade components that ensure performance and long, trouble-free life.
  • Robust front-end design with highly crack-resistant one-piece, forged dipper handle; rotating handle design that transmits torsional stress into the hoist ropes, extending boom and dipper handle life; and crowd and retract ropes or hydraulic fluid to absorb kickback force and reduce wear and cracking at the boom/dipper handle junction.
  • Crowd systems that reduce torsional stress and extend component life thanks to both traditional and innovative designs that deliver high uptime: HydraCrowd, which eliminates routine crowd/retract rope replacements and extends maintenance intervals, and traditional rope crowd, with crowd and retract ropes that absorb shock to reduce front-end cracking.
  • Reliable dippers that reduce downtime: LatchFree Dipper that eliminates maintenance on the latch assembly, and FastFil™ and Straight-Side Dippers manufactured from cold-weather, impact-resistant, high-strength steel.
  • Improved swing rack design, with one-piece piece casting that eliminates vertical segment cracks; reduced web core holes, aligned to low-stress zones on the truck frame; relocated core holes for increased web strength; and Improved weld process to provide better weld quality.
  • Thermal stress-relieved structures that eliminate residual stress in complex welded structures.

Efficiency & Productivity

  • Faster swing times resulting from reduced swing inertia of lighter front-end plus improved left-hand line-of-sight with deck-mounted crowd machinery that reduces components on the boom that would impede visibility.
  • Wide-set boom point sheaves for more productive and efficient digging. with twin hoist ropes that balance dipper pull in the bank and automatically distribute digging force where it is needed most.
  • LatchFree Dipper design, which increases efficiency by reducing lost loads.
  • Larger payload range with Straight-Side Dipper and improved fill factors with FastFil Dipper, thanks to trapezoidal shape that accommodates the natural configuration of the load.
  • More responsive integral fast propel transfer switch, which improves mode transfer and reduces dig and propel mode transition – from 2.7 seconds to 700 milliseconds.
  • Third rail swing system for designed to keep the rope shovel swinging longer and filling trucks faster, delivering optimum speed and cycle time.

GET & Wire Rope

  • X-4 System hammerless G.E.T., featuring Whisler style adapter matched with CapSure retention — making installation and removal faster, safer, easier and less complicated than hammered alternatives.
  • Lip systems delivered ready to work, with fully machined lip surfaces that ensure a perfect fit, reducing wear and extending lip lifecycle.
  • Adapter that is secured to the lip with either hammerless or traditional C-clamp and wedge retention, plus hammerless wedge retention assembly that is often reusable, helping to lower your operating costs.
  • Five tip profiles designed for a broad range of applications; superior penetration and lip protection with hammerless shroud system.
  • Quality Cat wire rope options for hoist, retract and crowd and well as dipper trip ropes and suspension strands; manufactured using thermal injection process that provides complete penetration of plastic into the rope to resist the unwanted effects of abrasion and impact damage by encapsulating the strands to reduce steel-to-steel contact and seal in lubricants that prolong wire life.


  • Integrated Technology Package, which provides the platform to support technology expansion and features six standard technologies that enable proactive maintenance, provide data, and deliver real-time information on productivity and performance: Machine Health, Vibration Monitoring, Cat Electronics, Payload Management, Cycle Segmentation and Bearing Temperature Monitor.
  • Operator Assist Technology Package, with enhancements that provide operator assist and machine self-protection without sacrificing productivity: Enhanced Motion Control, which protects the machine from operational practices that causes damage by intelligently controlling how motions are allowed to operate under certain conditions; and Machine Self Protection, a control system that detects and avoids machine self-collisions and, if a collision is imminent, arrests the machine motion to prevent or mitigate the collision.
  • Integrated Technology Package provides a gateway for seamless integration of Cat MineStar™ Solutions, including Fleet, which provides real-time machine tracking, assignment and productivity management; Terrain for loading, which enables high-precision management of loading operations through the use of guidance technology; and Health, which delivers critical event-based machine condition and operating data for the entire fleet.


  • Automated maintenance procedures, including an automatic lubrication system that covers all regular lube points and a HydraCrowd system that self-monitors pressure, contamination and pump condition.
  • Extended maintenance intervals thanks to HydraCrowd, which eliminates routine crowd/retract rope changes, extending major maintenance interval to two years; and LatchFree dipper, which eliminates the daily hassle of maintaining a latch bar and extends major maintenance interval.
  • Easier maintenance activities thanks to walkways and platforms, factory-installed ladders inside boom, easy-to-remove roof hatches, an electro-hydraulic crowd rope take-up system that simplifies crowd rope tightening, an onboard accessible diagnostic system, and a third-rail swing system that offers access to center rollers without jacking up the shovel’s upper works.
  • Streamlined AC system design with a single, centralized control rack that reduces parts requirements, and simplifies maintenance; single, compact drive cabinet that houses the controller and drives to simplify assembly, troubleshooting and maintenance; and elimination of fuses, circuit breakers and line filters.
  • Third Rail Swing System, with an easy-to-replace third rail, rather than roller flanges or swing rack, which serves as the primary wearing part in the system; system provides roller access without jacking up the upper half of the machine.
  • Upgraded propel drive system with accessibility from the outboard side that allows the drive tumbler and propel drive shaft to be replaced without removing the propel transmission.


  • Entirely electric machines, which are more efficient than diesel powered machines, resulting in less heat loss and lower operating costs.
  • Regenerative braking technology, which converts kinetic energy from shovel motions into electrical energy when braking, feeding that electrical energy back to the grid.
  • Less waste thanks to change-out intervals that are generally longer than those for similar-sized hydraulic machines — leading to fewer component change-outs.
  • Motors and gearcases that can be rebuilt, preserving raw materials, conserving energy and reducing the emissions generated when manufacturing new.
  • Cat Reman and Cat Rebuild programs, which return end-of-life components to like-new condition.