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Specifications
®
Cat
7495 HD
Electric Rope Shovel
Dimensions
Dipper payload 81.8 tonnes (90 tons)
Dipper capacity 19.1-61.2 m3 (25-80 yd3)
Length of boom 20.4 m (67 ft 0 in)
Effective length of dipper handle 10.9 m (35 ft 10 in)
Overall length of dipper handle 14.3 m (47 ft 0 in)
Weights
Working weight, with dipper
and standard links 1 306 346 kg (2,880,000 lbs)
Net weight, domestic,
without ballast or dipper 972 502 kg (2,144,000 lbs)
General-purpose dipper
49.78 m3 (65 yd3) 73 482 kg (162,000 lbs)
Ballast (furnished by customer) 260 362 kg (574,000 lbs)
• These weights will vary slightly depending upon dipper and optional
equipment selection
Main Structures
Crawler Mounting
Overall width 213.36 cm
(84 in) treads, standard 9.98 m (32 ft 9 in)
Overall length of mounting 10.41 m (34 ft 2 in)
Overall width 274.32 cm
(108 in) treads 10.44 m (34 ft 3 in)
Total effective bearing area 32.0 m2 (344 ft2)
(213.36 cm treads) 401 kPa (58.1 Psi)
Total effective bearing area 41 m2 (442.3 ft2)
(274.32 cm treads) 311 kPa (45.2 Psi)
Number and diameter of rollers Lower: 8, 139.70 cm (55 in)
Upper: 10, 60.96 cm (24 in)
Take-up tumblers diameter 157.48 cm (62 in)
Number and pitch of treads 74, 61.91 cm (24.375 in)
Planetary Propel
Dual-motor independent drive
Revolving Frame (Center Section)
Welded, impact-resistant steel Length: 8.38 m (27 ft 6 in)
Width: 4.29 m (14 ft 1 in)
Turntable
Forged rim, alloy steel swing
rack pitch diameter 5.18 m (17 ft 0 in)
Teeth external cut 24.13 cm face (9.5 in)
Tapered, forged alloy steel
roller rails diameter 4.5 m (14 ft 9 in)
Number of tapered rollers 56
Tapered rollers diameter 20.96 cm (8.25 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 HD
Optimal Working Ranges
A Dumping height 10.6 m (34 ft 10 in)
A1 Dumping height at maximum
electric crowd limit 8.45 m (27 ft 9 in)
B Dumping radius (maximum) 21.0 m (69 ft 0 in)
C Cutting height (maximum) 17.3 m (56 ft 10 in)
D Cutting radius (maximum) 23.97 m (78 ft 8 in)
E Radius of level oor 16.92 m (55 ft 6 in)
G Clearance height
(boom point sheaves) 20.1 m (65 ft 10 in)
H Clearance radius
(boom point sheaves) 19.74 m (64 ft 9 in)
I Clearance radius (revolving frame) 8.67 m (28 ft 5 in)
J Clearance under frame (to ground) 3.45 m (11 ft 4 in)
K Height of A-frame 13.3 m (43 ft 8 in)
L Overall width 13.01 m (42 ft 8 in)
M Clearance under lowest point
in truck frame/propel gearcase 0.86 m (34 in)
N Operator’s eye level 8.64 m (28 ft 4 in)
Electrical
Drive
IGBT Acutrol drive system
Power Requirements
Voltage 3 phase, 50/60 Hz, 7200 V
Average 15-minute demand 832-1 165 kW
Peak power 3 330 kW
• Other voltage options available to suit customer requirements
Distribution System Requirements
Machine on separate system 3 500 kva
Machine on large system 2 000 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 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 HD
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 cm (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
Crowd 1 63.5 mm (2.5 in) single dual 6 x 37
Retract 1 63.5 mm (2.5 in) single dual 6 x 37
Boom susp. 4 82.6 mm (3.25 in) equalized struct.strand
Dipper trip 1 15.9 mm (.625 in) single 6 x 37
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Electric Rope Shovel—7495 HD
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
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All rights reserved
CAT, CATERPILLAR, their respective logos, “Caterpillar Yellow” and the “Power Edge” trade dress,
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