Caterpillar 7495 HD Base

Specifications of Caterpillar 7495 HD Base

Weights

• Ballast (furnished by customer) 260362.0 kg
• General purpose dipper - 49.78 m3 (65 yd3) 73482.0 kg
• Net weight, domestic, without ballast or dipper 972502.0 kg
• Note These weights will vary slightly depending upon dipper and optional equipment selection.
• Working weight, with dipper and standard links 1306346.0 kg

Dimensions

• Dipper capacity 19.1-61.2 m3 (25-80 yd3)
• Dipper payload 81.8 tonnes
• Effective length of dipper handle 10.9 m
• Length of boom 20.4 m
• Overall length of dipper handle 14.3 m

Electrical

• Distribution System Requirements - Machine on large system 2000 kVA
• Distribution System Requirements - Machine on separate system 3500 kVA
• Drive IGBT Acutrol drive system.
• Main Electrical Systems - Lighting transformer 25 kVA, 120/240V secondary
• Main Electrical Systems - System voltage (nominal) 50/60 Hz, 7,200V
• Main Electrical Systems - Trail cable (furnished by customer) SHD-3-#1/0 at 8,000V
• Main Electrical Systems - Transformer, auxiliary 350 kVA, 7,200V primary
• Power Requirements - Average 15-minute demand 832-1165 kW
• Power Requirements - Peak power 3330 kW
• Power Requirements - Voltage 3 phase, 50/60 Hz, 7,200V (Other voltage options available to suit customer requirements.)

LIGHTS

• Type 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.

Main Structures

• Crawler Mounting - Number and diameter of rollers: Lower (8) 139.7 cm
• Crawler Mounting - Number and diameter of rollers: Upper (10) 60.96 cm
• Crawler Mounting - Number and pitch of treads (74) 61.91 cm
• Crawler Mounting - Overall length of mounting 10.41 m
• Crawler Mounting - Overall width 213.36 cm (84 in) treads, standard 9.98 m
• Crawler Mounting - Overall width 274.32 cm (108 in) treads 10.44 m
• Crawler Mounting - Take-up tumblers diameter 157.48 cm
• Crawler Mounting - Total effective bearing area (213.36 cm/84 in treads) 32.0 m2 (344 ft2); 401 kPa (58.1 psi)
• Crawler Mounting - Total effective bearing area (274.32 cm/108 in treads) 41 m2 (442.3 ft2); 311 kPa (45.2 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 4.29 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 5.18 m
• Turntable - Number of tapered rollers 56
• Turntable - Tapered rollers diameter 20.96 cm
• Turntable - Tapered, forged alloy steel roller rails diameter 4.5 m
• Turntable - Teeth external cut (face) 24.13 cm

Optimal Working Ranges

• Clearance height (boom point sheaves) 20.1 m
• Clearance radius (boom point sheaves) 19.74 m
• Clearance radius (revolving frame) 8.67 m
• Clearance under frame (to ground) 3.45 m
• Clearance under lowest point in truck frame/propel gearcase 0.86 m
• Cutting height (maximum) 17.3 m
• Cutting radius (maximum) 23.97 m
• Dumping height 10.6 m
• Dumping height at maximum electric crowd limit 8.45 m
• Dumping radius (maximum) 21.0 m
• Height of A-frame 13.3 m
• Operator’s eye level 8.64 m
• Overall width 13.01 m
• Radius of level floor 16.92 m

Lube System

• Components 6 pumps (4 for lubricant and 2 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
• 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 x 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 15.9 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 x 37
• Rope Data - Retract - Diameter 63.5 mm
• Rope Data - Retract - No. 1
• Rope Data - Retract - Type single dual