Page 1
Specifications
®
Cat
7495 HF
with HydraCrowd
Electric Rope Shovel
™
Dimensions
Dipper payload 100 tonnes (110 tons)
(Available dipper payloads up to 109 tonnes (120 tons) when specied)
Dipper capacity 30.6 - 61.2 m3 (40-80 yd3)
Length of boom 20.4 m (67 ft)
Effective length of dipper handle 10.9 m (35 ft 10 in)
Overall length of dipper handle 14.3 m (47 ft)
Weights
Working weight, with dipper
and standard links 1 442 274 kg (3,179,670 lbs)
Net weight, domestic,
without ballast or dipper 1 059 056 kg (2,334,820 lbs)
General-purpose dipper
56 m3 (73 yd3) 80 603 kg (177,700 lbs)
Ballast (furnished by customer) 302 614 kg (667,150 lbs)
• These weights will vary slightly depending upon dipper and optional
equipment selection
Main Structures
Crawler Mounting
Overall width 317.5 cm
(125 in) treads, standard 12.73 m (41 ft 9 in)
Overall length of mounting 11.43 m (37 ft 6 in)
Overall width 355.6 cm
(140 in) treads 13.5 m (44 ft 3 in)
Total effective bearing area 57.1 m2 (615 ft2)
(317.5 cm treads) 248 kPa (35.9 Psi)
Total effective bearing area 64 m2 (689 ft2)
(355.6 cm treads) 221 kPa (32.1 Psi)
Number and diameter of rollers Lower: 16, 79.4 cm (31.25 in)
Lower rear: 2, 106.7 cm (42 in)
Upper: Slides
Take-up tumblers diameter 162 cm (63.8 in)
Number and pitch of treads 94, 50.8 cm (20 in)
Planetary Propel
Dual-motor independent drive
Revolving Frame (Center Section)
Welded, impact-resistant steel Length: 8.38 m (27 ft 6 in)
Width: 3.68 m (12 ft 1 in)
Turntable
Forged rim, alloy steel swing rack
pitch diameter 5.26 m (17 ft 3 in)
Teeth external cut 24.13 cm face (9.5 in)
Tapered, forged alloy steel
roller rails diameter 4.52 m (14 ft 10 in)
Number of tapered rollers 50
Tapered rollers diameter 27.31 cm (10.75 in)
Swing
Two planetary gearboxes, each driven by a vertically mounted
motor, are mounted on either side of the revolving frame.
Dual-output pinion shafts from each gearbox engage the swing
rack
Hoist
A planetary gearbox with dual-output pinions provides the hoist
torque transfer from the electric motor to the hoist drum gear.
Lube System
• Single-line system applies lubricant and grease via the PLC
• 6 pumps (4 for lubricant and 2 for grease) located in an insulated,
double-walled lube room
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Electric Rope Shovel—7495 HF with HydraCrowd
Optimal Working Ranges
A Dumping height 10.06 m (33 ft)
A1 Dumping height at maximum
electric crowd limit 8.61 m (28 ft 3 in)
B Dumping radius (maximum) 21.64 m (71 ft)
C Cutting height (maximum) 17.8 m (58 ft 5 in)
D Cutting radius (maximum) 25.2 m (82 ft 8 in)
E Radius of level oor 17.47 m (57 ft 4 in)
G Clearance height
(boom point sheaves) 20.87 m (68 ft 6 in)
H Clearance radius
(boom point sheaves) 19.65 m (64 ft 5 in)
I Clearance radius
(revolving frame) max: 9.34 m (30 ft 8 in)
J Clearance under frame
(to ground) 3.76 m (12 ft 4 in)
K Height of A-frame 14 m (46 ft)
L Overall width 13.96 m (46 ft 1 in)
M Clearance under lowest point
in truck frame/propel gearcase 0.90 m (2 ft 11.5 in)
N Operator’s eye level 10.61 m (34 ft 10 in)
Electrical
Drive
IGBT Acutrol drive system
Power Requirements
Voltage 3 phase, 50/60 Hz, 7200 V
Average 15-minute demand 945-1 322 kW
Peak power 3 778 kW
• Other voltage options available to suit customer requirements
Distribution System Requirements
Machine on separate system 4 000 kva
Main Electrical Systems
System voltage (nominal) 50/60 Hz, 7200 V
Trail cable
(furnished by customer) SHD-3-#1/0 at 8000 V
Transformer, auxiliary 350 kva, 7200 V primary
Lighting transformer 2 at 25 kva
120/240 V secondary
Lights
• HPS lights on boom feet, top of A-frame, machinery house, lube room,
control room, utility room and flood lights
• Incandescent lights on ground lights, walkways and operator’s cab
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Electric Rope Shovel—7495 HF with HydraCrowd
Front End
Boom
Boom welded, impact-resistant steel
Boom point sheaves twin-grooved, ame-hardened
Boom point sheave diameters 243.84 cm (96 in)
Handle diameter 86.36 m (34 in)
Wall thickness (nominal) 7.62 cm (3 in)
Rope Data
No. Diameter Type Construction
Hoist 2 69.8 mm (2.75 in) twin dual 6 x 37
Boom susp. 4 82.6 mm (3.25 in) equalized struct. strand
Dipper trip 1 19.1 mm (.75 in) single 6 x 37
Crowd
HydraCrowd, hydraulic power skid, located at the front center
of the revolving frame deck, powers a large hydraulic cylinder
to move the dipper handle fore and aft
Hydraulic cylinder bore diameter (nominal) 35.6 cm (14 in)
Hydraulic cylinder rod diameter (nominal) 24.5 cm (10 in)
(Optional) Rope Crowd, the crowd machinery is located at the
front center of the revolving frame, consisting of motor, brake,
drum and gearing. Plastic-coated crowd and retract ropes are
used to move the dipper handle fore and aft.
Page 4
Electric Rope Shovel—7495 HF with HydraCrowd
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.
AEHQ6519
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