These weights will vary slightly depending upon dipper and optional equipment selection.
Note
All specifications are based on a 19 m3 (25 yd3) dipper and standard 182.9 cm (72 in) treads.
Note
High impact ropes available as an option
Note
Other voltages available to suit customer requirements.
Note
Optimal working ranges based on loading a Cat® 785D truck.
Note
*All specifications are based on a 19 m3 (25 yd3) dipper and standard 182.9 cm (72 in) treads.
Weights
Working weight, with dipper and standard links
793259 kg
Ballast (furnished by customer)
159665 kg
Front End
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.
Standard Rope Data: Hoist – No.
2
Standard Rope Data: Hoist – Diameter
60 mm
Standard Rope Data: Crowd – No.
1
Standard Rope Data: Crowd – Diameter
57 mm
Standard Rope Data: Retract – No.
1
Standard Rope Data: Retract – Diameter
57 mm
Standard Rope Data: Boom susp. – No.
4
Standard Rope Data: Boom susp. – Diameter
70 mm
Standard Rope Data: Dipper trip – No.
1
Standard Rope Data: Dipper trip – Diameter
16 mm
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.
Components
6 pumps (4 for open gear lubricant and 2 for grease) located in an insulated, heated, double-walled lube room.
Components
External fast fill from lower level.
Electrical
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
Power Requirements – 60 Hz
4,160V, 7,200V
Power Requirements – Average power demand
538-753 kW (721-1,010 hp)
Power Requirements – Peak power
2152 kW
Main Structures
Upper works overall width (including standard walkways)
12.6 m
Crawler Dimensions – Overall width 182.9 cm (72 in) treads, standard
8.6 m
Ground Bearing Pressure – Total effective bearing area
29.3 m2
Ground Bearing Pressure – 182.9 cm (72 in) treads
269 kPa
Ground Bearing Pressure
Ground bearing pressure is dependent upon many factors.
Planetary Propel
Dual-motor independent drive.
Swing
Parallel shaft gear cases, driven by a vertically mounted motor, are located on either side of the revolving frame.
Hoist
A motor coupled to two gear reductions drives a 137 cm (54 in) hoist drum.
Optimal Working Ranges*
Dumping height – with clearance to open dipper door
8.4 m
Cutting height (maximum)
13.7 m
Cutting radius (maximum)
20.6 m
Radius of level floor
14.9 m
Revolving frame tail swing radius
7.8 m
Ripper
Type
Automatic, single-line system for open gear lubricant and grease.