7495 HD Electric Rope Shovel

Dimensions

Dipper payload

90 tons

Dipper capacity

27.5-60.4 m3 (36-79 yd3)

Length of boom

67.0 ft

Overall length of dipper handle

47.0 ft

Note

Dependent on application and material density.

Weights

Working weight, with dipper and standard links

2856700 lb

Net weight, domestic, without ballast or dipper

2144000.0 lb

Ballast (furnished by customer)

574000 lb

Note

These weights will vary slightly depending upon dipper and optional equipment selection.

Note

All specifications are based on a 32 m3 (42 yd3) dipper and standard 213.4 cm (84 in) treads.

Main Structures

Revolving Frame (Center Section) – Welded, impact-resistant steel: Length

27.49 ft

Revolving Frame (Center Section) – Welded, impact-resistant steel: Width

14.07 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

17.0 ft

Turntable – Number of tapered rollers

56

Turntable – Tapered rollers diameter

8.25 in

Turntable – Tapered, forged alloy steel roller rails diameter

14.76 ft

Turntable – Teeth external cut (face)

9.5 in

Upper works overall width (including standard walkways)

44.25 ft

Crawler Dimensions – Overall width 213.4 cm (84 in) treads, standard

32.75 ft

Crawler Dimensions – Overall width 274.3 cm (108 in) treads

34.75 ft

Ground Bearing Pressure – Total effective bearing area

343 ft2

Ground Bearing Pressure – 213.4 cm (84 in) treads, standard

58 psi

Ground Bearing Pressure – Total effective bearing area

442 ft2

Ground Bearing Pressure – 274.3 cm (108 in) treads

46 psi

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.

Optimal Working Ranges

Dumping height

34.78 ft

Dumping height at maximum electric crowd limit

27.72 ft

Dumping radius (maximum)

69.0 ft

Height of A-frame

43.64 ft

Operator’s eye level

28.35 ft

Overall width

42.68 ft

Radius of level floor

55.51 ft

Optimal Working Ranges*

Dumping height – with clearance to open dipper door

30.84 ft

Cutting height (maximum)

48.75 ft

Cutting radius (maximum)

74.75 ft

Radius of level floor

52.49 ft

Revolving frame tail swing radius

30.51 ft

Note

Optimal working ranges based on loading a Cat® 793F truck.

Note

*All specifications are based on a 32 m3 (42 yd3) dipper and standard 213.4 cm (84 in) treads.

Lube System

Components

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.

Electrical

Distribution System Requirements – Machine on large system

2000 kVA

Distribution System Requirements – Machine on separate system

3500 kVA

Main Electrical Systems – Lighting transformer

25 kVA, 120/240V secondary

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

4466 hp

Note

Other voltage options available to suit customer requirements.

Front End

Rope Data – Dipper trip – Construction

7 x 25

Rope Data – Dipper trip – Diameter

0.625 in

Rope Data – Dipper trip – No.

1

Rope Data – Dipper trip – Type

single

Rope Data – Hoist – Construction

8 x 37

Rope Data – Hoist – Diameter

2.75 in

Rope Data – Hoist – No.

2

Rope Data – Hoist – Type

twin dual

Rope Data – Retract – Construction

8 x 37

Rope Data – Retract – Diameter

2.5 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.

Rope Data: Hoist – No.

2

Rope Data: Hoist – Diameter

2.75 in

Rope Data: Crowd – No.

1

Rope Data: Crowd – Diameter

2.5 in

Rope Data: Retract – No.

1

Rope Data: Retract – Diameter

2.5 in

Rope Data: Boom suspension – No.

4

Rope Data: Boom suspension – Diameter

3.25 in

Rope Data: Dipper trip – No.

1

Rope Data: Dipper trip – Diameter

0.625 in

Rope Data: Note

High impact ropes available as an option.

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.

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.