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Specification Summary
Dipper Payload 70 t
Dipper Capacity 20.6-55.8 m3 (27-73 yd3)
Length of boom 64.0 ft
Overall length of dipper handle 47.0 ft

Dimensions

Dipper Payload
70 t
Dipper Capacity
20.6-55.8 m3 (27-73 yd3)
Length of boom
64.0 ft
Overall length of dipper handle
47.0 ft
Note
Dependent on application and material density.
Note
Dependent on application and material density.

Weights

Working Weight - With Dipper and Standard Links
2652000 lb
General purpose dipper - 32.1 m3 (42 yd3)
135500.0 lb
Note
These weights will vary slightly depending upon dipper and optional equipment selection.
Note
All specifications are based on a 24 m3 (32 yd3) dipper and standard 213.4 cm (84 in) treads.
Ballast - Furnished By Customer
574000 lb
Note (1)
These weights will vary slightly depending upon dipper and optional equipment selection.
Note (2)
All specifications are based on a 24 m3 (32 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
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.
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
Ground bearing pressure is dependent upon many factors.
Ground Bearing Pressure - 213.4 cm (84 in) Treads - Standard
54 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
43 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
44.25 ft

Optimal Working Ranges

Clearance under lowest point in truck frame/propel gearcase
2.82 ft
Operator’s eye level
28.35 ft
Overall width
42.68 ft

Optimal Working Ranges*

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 24 m3 (32 yd3) dipper and standard 213.4 cm (84 in) treads.
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
Note (1)
Optimal working ranges based on loading a Cat® 793F truck.
Note (2)
*All specifications are based on a 24 m3 (32 yd3) dipper and standard 213.4 cm (84 in) treads.
Revolving Frame Tail Swing Radius
30.51 ft

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 fast fill from lower level.
Components (2)
External fast fill from lower level.

Electrical

Power Requirements – Average power demand
777-1087 kW (1,042-1,458 hp)
Power Requirements – Peak power
4165 hp
Note
Other voltages 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
777-1087 kW (1,042-1,458 hp)
Power Requirements - Peak power
4165 HP
Note
Other voltages available to suit customer requirements.

Front End

Rope Data - Dipper trip - Construction
7 × 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 × 37
Rope Data - Hoist - Diameter
2.75 in
Rope Data - Hoist - No.
2
Rope Data - Hoist - Type
twin dual
Rope Data - Retract - Construction
8 × 37
Rope Data - Retract - Diameter
2.5 in
Rope Data - Retract - No.
1
Rope Data - Retract - Type
single dual
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 susp. – No.
4
Rope Data: Boom susp. – Diameter
3.25 in
Rope Data: Dipper trip – No.
1
Rope Data: Dipper trip – Diameter
0.625 in
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.
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.
Rope Data - Boom Suspension - Diameter
3.25 in
Rope Data - Boom Suspension - No.
4
Rope Data - Crowd - Diameter
2.5 in
Rope Data - Crowd - No.
1
Rope Data - Dipper Trip - Diameter
0.625 in
Rope Data - Dipper Trip - No.
1
Rope Data - Hoist - Diameter
2.75 in
Rope Data - Hoist - No.
2
Rope Data - Retract - Diameter
2.5 in
Rope Data - Retract - No.
1

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.