Caterpillar 7495 with Rope Crowd Base

Specifications of Caterpillar 7495 with Rope Crowd Base

Weights

• Ballast (furnished by customer) 302614.0 kg
• General purpose dipper - 56 m3 (73 yd3) 80603.0 kg
• Net weight, domestic, without ballast or dipper 988100.0 kg
• Note These weights will vary slightly depending upon dipper and optional equipment selection.
• Working weight, with dipper and standard links 1369246.0 kg

Dimensions

• Dipper capacity 30.6-61.2 m3 (40-80 yd3)
• Dipper payload (Available dipper payloads up to 109 tonnes [120 tons] when specified) 100.0 tonnes
• Effective length of dipper handle 10.9 m
• Length of boom 20.4 m
• Overall length of dipper handle 14.3 m
• Dipper payload 100.0 tonnes

Electrical

• Distribution System Requirements - Machine on separate system 4000 kVA
• Drive IGBT Acutrol drive system
• Lights HPS lights on boom feet, top of A-frame, machinery house, lube room, control room, and utility room.
• Lights 1 Incandescent lights for ground lights and on walkways.
• Main Electrical Systems - Lighting transformer 25 kVA, 120/240V secondary
• Main Electrical Systems - System voltage (nominal) 50/60 Hz, 7200V
• Main Electrical Systems - Trail cable (furnished by customer) SHD-3-#1/0 at 8000V
• Main Electrical Systems - Transformer, auxiliary 350 kVA, 7200V primary
• Power Requirements - Peak power 3706 kW
• Power Requirements - Voltage 3 phase, 50/60 Hz, 7200V (Other voltage options available to suit customer requirements.)
• System voltage (nominal) 50/60 Hz, 7200V
• Trail cable (supplied by customer) SHD-3-#1/0 at 8000V
• Transformer, auxiliary primary

Dimensions/Working Ranges

• Dipper capacities 30.6-61.2 m3 (40-80 yd3)
• Dipper payload 109.0 tonnes
• Maximum dumping height 10.06 m
• Maximum dumping radius 21.64 m
• Operating weight 1369246.0 kg

Main Structures

• Crawler Mounting - Number and diameter of rollers: Lower (16) 78.0 cm
• Crawler Mounting - Number and diameter of rollers: Lower rear (2) 106.7 cm
• Crawler Mounting - Number and diameter of rollers: Upper Slides
• Crawler Mounting - Number and pitch of treads (94) 50.8 cm
• Crawler Mounting - Overall length of mounting 11.43 m
• Crawler Mounting - Overall width 200.7 cm (79 in) treads, standard 11.0 m
• Crawler Mounting - Overall width 259.1 cm (102 in) treads 13.5 m
• Crawler Mounting - Take-up tumblers diameter 162.0 cm
• Crawler Mounting - Total effective bearing area (200.7 cm treads) 36.1 m2 (372 kPa); 388.6 ft2 (53.9 psi)
• Crawler Mounting - Total effective bearing area (259.1 cm treads) 46.6 m2 (288 kPa); 501.7 ft2 (41.8 psi)
• Hoist A planetary gearbox with dual-output pinions provides the hoist torque transfer from the electric motor to the hoist drum gear.
• Planetary Propel Dual-motor independent drive
• Revolving Frame (Center Section) - Welded, impact-resistant steel: Length 8.38 m
• Revolving Frame (Center Section) - Welded, impact-resistant steel: Width 3.68 m
• 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 5.26 m
• Turntable - Number of tapered rollers 50
• Turntable - Tapered rollers diameter 27.31 cm
• Turntable - Tapered, forged alloy steel roller rails diameter 4.52 m
• Turntable - Teeth external cut (face) 24.13 cm

Lube System

• Components Six pumps (four for lubricant and two for grease) located in an insulated, double-walled lube room
• Type Single-line system applies lubricant and grease via the PLC

Front End

• Boom - Boom welded, impact-resistant steel
• Boom - Boom point sheave diameters 243.84 cm
• Boom - Boom point sheaves twin-grooved, flame-hardened
• Boom - Handle diameter 86.36 cm
• Boom - Wall thickness (nominal) 7.62 cm
• Crowd 1 Plastic coated crowd and retract ropes are used to move the dipper handle fore and aft.
• Crowd 2 Rope Crowd consists of motor, brake, drum and gearing.
• Crowd 3 Rope Crowd with the crowd machinery is located at the front center of the revolving frame.
• Rope Data - Boom susp. - Construction struct. strand
• Rope Data - Boom susp. - Diameter 82.6 mm
• Rope Data - Boom susp. - No. 4
• Rope Data - Boom susp. - Type equalized
• Rope Data - Crowd - Construction 8 × 37
• Rope Data - Crowd - Diameter 63.5 mm
• Rope Data - Crowd - No. 1
• Rope Data - Crowd - Type single dual
• Rope Data - Dipper trip - Construction 7 x 25
• Rope Data - Dipper trip - Diameter 19.1 mm
• Rope Data - Dipper trip - No. 1
• Rope Data - Dipper trip - Type single
• Rope Data - Hoist - Construction 8 x 37
• Rope Data - Hoist - Diameter 69.8 mm
• Rope Data - Hoist - No. 2
• Rope Data - Hoist - Type twin dual
• Rope Data - Retract - Construction 8 × 37
• Rope Data - Retract - Diameter 63.5 mm
• Rope Data - Retract - No. 1
• Rope Data - Retract - Type single dual

Dimensions - Optimal Working Ranges

• Clearance height (boom point sheaves) 20.87 m
• Clearance radius (boom point sheaves) 19. 65 m
• Clearance under frame (to ground) 3.76 m
• Clearance under lowest point in truck frame/propel gearcase 0.9 m
• Dumping height 10.06 m
• Dumping height at maximum electric crowd limit 8.61 m
• Height of A-frame 14.0 m
• Maximum clearance radius (revolving frame) 9.34 m
• Maximum cutting height 17.8 m
• Maximum cutting radius 25.2 m
• Maximum dumping radius 21.64 m
• Operator’s eye level 10.61 m
• Overall width 13.11 m
• Radius of level floor 17.47 m