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Specification Summary
Dipper Payload 50 Sh Ton
Dipper Capacity 19.1-38.2 m3 (25-50 yd3)
Length of boom 59.0 ft
Overall length of dipper handle 41.5 ft

Dimensions

Dipper Payload
50 Sh Ton
Dipper Capacity
19.1-38.2 m3 (25-50 yd3)
Length of boom
59.0 ft
Overall length of dipper handle
41.5 ft
Note
Dependent on application and material density.
Note
Dependent on application and material density.

Weights

Working Weight - With Dipper and Standard Links
1748837 lb
General purpose dipper - 25.2 m3 (33 yd3)
110000.0 lb
Note
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.
Ballast - Furnished By Customer
352000 lb
Note (1)
These weights will vary slightly depending upon dipper and optional equipment selection.
Note (2)
All specifications are based on a 19 m3 (25 yd3) dipper and standard 182.9 cm (72 in) treads.

Main Structures

Crawler Mounting - Total effective bearing area (139.7 cm/55 in treads)
20.81 m2 (224 ft2); 371.6 kPa (53.9 psi)
Crawler Mounting - Total effective bearing area (182.88 cm/72 in treads)
27.2 m2 (293 ft2); 284.1 kPa (41.2 psi)
Hoist
Hoist machinery consists of a motor coupled to two gear reductions, which drive the 137 cm (54 in) hoist drum.
Planetary Propel
Dual-motor independent drive.
Revolving Frame - Welded, impact-resistant steel: Length
22.7 ft
Revolving Frame - Welded, impact-resistant steel: Width
10.5 ft
Swing
Two parallel shaft units mounted to either side of the revolving frame. Each unit is driven by a vertically mounted motor.
Turntable - Cast alloy steel swing rack pitch diameter
14.34 ft
Turntable - Number of tapered rollers
54
Turntable - Tapered rollers diameter
7.38 in
Turntable - Tapered, forged alloy steel roller rails diameter
12.86 ft
Turntable - Teeth external cut (face)
8.0 in
Upper Works Overall Width - Including Standard Walkways
41.33 in
Crawler Dimensions - Overall Width 182.9 cm (72 in) Treads, Standard
28.22 in
Ground Bearing Pressure - Total Effective Bearing Area
315.6 ft²
Ground Bearing Pressure - 182.9 cm (72 in) Treads
39 in
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
30.25 ft
Dumping height at maximum electric crowd limit
23.0 ft
Dumping radius (maximum)
61.32 ft
Height of A-frame
39.17 ft
Operator’s eye level
26.9 ft
Overall width
40.65 ft
Radius of level floor
51.12 ft

Optimal Working Ranges*

Dumping Height - With Clearance to Open Dipper Door
27.56 ft
Cutting Height - Maximum
45 ft
Cutting Radius - Maximum
67.59 ft
Radius of Level Floor
48.88 ft
Revolving Frame Tail Swing Radius
25.59 in
Note (1)
Optimal working ranges based on loading a Cat® 785D truck.
Note (2)
*All specifications are based on a 19 m3 (25 yd3) dipper and standard 182.9 cm (72 in) treads.

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 (2)
External fast fill from lower level.

Electrical

Power Requirements - Average 15-minute demand
538-753 kW
Power Requirements - Peak power
2152 kW
Power Requirements - Voltage
3 phase, 50/60 Hz, 7,200V (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
Power Requirements - 60 Hz
4,160V, 7,200V
Power Requirements - Average Power Demand
538-753 kW (721-1,010 hp)
Power Requirements - Peak power
2886 HP
Note
Other voltages available to suit customer requirements.

Front End

Rope Data - Dipper trip - Construction
7 x 25
Rope Data - Dipper trip - Diameter
0.63 in
Rope Data - Dipper trip - No.
1
Rope Data - Dipper trip - Type
single
Rope Data - Hoist - Construction
6 x 41
Rope Data - Hoist - Diameter
2.25 in
Rope Data - Hoist - No.
2
Rope Data - Hoist - Type
twin dual
Rope Data - Retract - Construction
8 x 37
Rope Data - Retract - Diameter
2.38 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.
Standard Rope Data - Hoist - No.
2
Standard Rope Data - Hoist - Diameter
2.375 in
Standard Rope Data - Crowd - No.
1
Standard Rope Data - Crowd - Diameter
2.25 in
Standard Rope Data - Retract - No.
1
Standard Rope Data - Retract - Diameter
2.25 in
Standard Rope Data - Boom Suspension - No.
4
Standard Rope Data - Boom Suspension - Diameter
2.75 in
Standard Rope Data - Dipper Trip - No.
1
Standard Rope Data - Dipper Trip - Diameter
0.625 in
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.

Crowd

Components
Rope Crowd with crowd machinery located at front center of the revolving frame; consisting of a motor, brake, drum and gearing.
Components
Plastic-coated crowd and retract ropes are used to move the dipper handle fore and aft.