Cat®

7295 HDElectric Rope Shovel

Specifications

DimensionsDipper payload 38 tonnes (42 tons)Dipper capacity 14-31 m3 (18-40 yd3)Length of boom 15.7 m (51 ft 6 in)Effective length of dipper handle 8.2 m (26 ft 10 in)Overall length of dipper handle 9.9 m (32 ft 6 in)

WeightsWorking weight, with dipper, and standard links 703 068 kg (1,550,000 lbs)Net weight, domestic, without ballast or dipper 545 290 kg (1,202,160 lbs)General-purpose dipper 20 m3 (26 yd3) 22 680 kg (50,000 lbs)Ballast (furnished by customer) 140 616 kg (310,000 lbs)• These weights will vary slightly depending upon dipper and optional

equipment selection

Main Structures

Crawler MountingOverall width 139.7 cm (55 in) treads, standard 8.2 m (26 ft 11 in)Overall width 182.88 cm (72 in) treads 8.63 m (28 ft 4 in)Overall length of mounting 10.26 m (33 ft 8 in)Total effective bearing area 21 m2 (224 ft2)(139.7 cm treads) 331 kpa (48.1 psi.)

Number and diameter of rollers 9, 71.1 cm (28 in)Take-up tumblers diameter 147.3 cm (58 in)Number and pitch of treads 96, 45.1 cm (17.75 in)

Planetary PropelDual-motor independent drive

Revolving Frame (Center Section)Welded impact-resistant steel Length: 11.18 m (36 ft 8 in) Width: 3.91 m (12 ft 10 in)

TurntableCast alloy steel swing rack pitch diameter 4.5 m (14 ft 9 in)Teeth external cut 29.21 cm face (11.5 in)Tapered, forged alloy steel roller rails diameter 4.04 m (13 ft 3 in)Number of tapered rollers 45Tapered rollers diameter 22.86 cm (9 in)

SwingTwo planetary gearboxes, each driven by a vertically mounted variable-speed AC motor, located on either side of the revolving frame towards the front of the machine. Single-output pinion shaft from each gearbox engages the swing rack

HoistDouble-reduction, conventional gearcase driven by a variable-speed AC motor

Lube System• PLC-controlled, air-operated, three 208 liter (55 gallon) drum reserves• Divided into three systems: open gear lube, upper works grease, and

lower works grease• Faults protection: low pressure and vent release

Electric Rope Shovel—7295 HD

Optimal Working Ranges A Dumping height 8.4 m (27 ft 5 in)A1 Dumping height at maximum electric crowd limit 6.1 m (20 ft 1 in)B Dumping radius (maximum) 17.5 m (57 ft 5 in)C Cutting height (maximum) 15.6 m (51 ft 4 in)D Cutting radius (maximum) 20.7 m (68 ft)E Radius of level floor 14.7 m (48 ft 1 in)G Clearance height (boom point sheaves) 15.9 m (52 ft 3 in)H Clearance radius (boom point sheaves) 15.2 m (49 ft 9 in)I Clearance radius (revolving frame) 7.8 m (25 ft 8 in)J Clearance under frame (to ground) 0.8 m (2 ft 6 in)K Height of A-frame 10.9 m (35 ft 11 in)L Overall width 11.1 m (36 ft 6 in)M Clearance under lowest point in truck frame/propel gearcase 0.8 m (2 ft 6 in)N Operator’s eye level 7 m (23 ft)

Electrical

DriveIGBT Acutrol drive system

Power RequirementsVoltage 3 phase, 50/60 Hz, 7200 VAverage 15-minute demand 450-630 kWPeak power 1 799 kW• Other voltage requirements available to suit customer requirements

Distribution System RequirementsMachine on separate system 2 000 kva

Main Electrical SystemsSystem voltage (nominal) 7200 VTrail cable (furnished by customer) SHD-3-#4 at 8000 VTransformer, auxiliary 250 kva, 7200 V primary 480 V secondaryLighting transformer 1 x 25 kva 120/240 V secondary

Electric Rope Shovel—7295 HDFront End

BoomBoom ASTM A678 grade C quench and temper carbon steelBoom point sheaves twin-grooved, flame-hardened cast steelBoom point sheave diameters 1.7 m (5 ft 6 in)Handle diameter single stick 0.6 m x 1.04 m (2 ft x 3 ft 4.75 in)Wall thickness (nominal) 3.81 cm (1.5 in) top, 4.45 cm (1.75 in) bottom, 3.175 cm (1.25 in) side

Rope Data No. Diameter Type Construction

Hoist 2 50.8 mm (2 in) twin dual 6x41

Boom susp. 4 69.8 mm (2.75 in) 6x37Dipper trip 1 12.7 mm (.5 in) 6x37

CrowdSingle stick rack-and-pinion system - a boom-mounted AC motor drives double-reduction spur gearing to crowd pinions, which engage twin machined racks on the dipper handle

For more complete information on Cat products, dealer services, and industry solutions, visit us on the web at mining.cat.com and www.cat.com

© 2011 Caterpillar Inc. All rights reserved

CAT, CATERPILLAR, their respective logos, “Caterpillar Yellow” and the “Power Edge” trade dress, as well as corporate and product identity used herein, are trademarks of Caterpillar and may not be used without permission.

AEHQ6514