Cat®
7295 HD
Electric Rope Shovel
Specifications
Dimensions
Dipper payload
Dipper capacity
Length of boom
Effective length of dipper handle
Overall length of dipper handle
Weights
Working weight, with dipper,
and standard links
Net weight, domestic,
without ballast or dipper
General-purpose dipper
20 m3 (26 yd3)
Ballast (furnished by customer)
38 tonnes (42 tons)
14-31 m3 (18-40 yd3)
15.7 m (51 ft 6 in)
8.2 m (26 ft 10 in)
9.9 m (32 ft 6 in)
703 068 kg (1,550,000 lbs)
545 290 kg (1,202,160 lbs)
22 680 kg (50,000 lbs)
140 616 kg (310,000 lbs)
• These weights will vary slightly depending upon dipper and optional
equipment selection
9, 71.1 cm (28 in)
147.3 cm (58 in)
96, 45.1 cm (17.75 in)
Planetary Propel
Dual-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)
Turntable
Cast alloy steel swing rack
pitch diameter
Teeth external cut
Tapered, forged alloy steel
roller rails diameter
Number of tapered rollers
Tapered rollers diameter
4.5 m (14 ft 9 in)
29.21 cm face (11.5 in)
4.04 m (13 ft 3 in)
45
22.86 cm (9 in)
Swing
Two 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
Main Structures
Crawler Mounting
Overall width 139.7 cm
(55 in) treads, standard
Overall width 182.88 cm
(72 in) treads
Overall length of mounting
Total effective bearing area
(139.7 cm treads)
Number and diameter of rollers
Take-up tumblers diameter
Number and pitch of treads
Hoist
8.2 m (26 ft 11 in)
Double-reduction, conventional gearcase driven by a variable-speed
AC motor
8.63 m (28 ft 4 in)
10.26 m (33 ft 8 in)
21 m2 (224 ft2)
331 kpa (48.1 psi.)
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
A1 Dumping height at maximum
electric crowd limit
B Dumping radius (maximum)
C Cutting height (maximum)
D Cutting radius (maximum)
E Radius of level floor
G Clearance height
(boom point sheaves)
H Clearance radius
(boom point sheaves)
I Clearance radius
(revolving frame)
J Clearance under frame (to ground)
K Height of A-frame
L Overall width
M Clearance under lowest point in
truck frame/propel gearcase
N Operator’s eye level
8.4 m (27 ft 5 in)
Electrical
Drive
6.1 m (20 ft 1 in)
17.5 m (57 ft 5 in)
15.6 m (51 ft 4 in)
20.7 m (68 ft)
14.7 m (48 ft 1 in)
IGBT Acutrol drive system
15.9 m (52 ft 3 in)
Distribution System Requirements
Machine on separate system
2 000 kva
15.2 m (49 ft 9 in)
7.8 m (25 ft 8 in)
0.8 m (2 ft 6 in)
10.9 m (35 ft 11 in)
11.1 m (36 ft 6 in)
0.8 m (2 ft 6 in)
7 m (23 ft)
Power Requirements
Voltage
Average 15-minute demand
Peak power
3 phase, 50/60 Hz, 7200 V
450-630 kW
1 799 kW
• Other voltage requirements available to suit customer requirements
Main Electrical Systems
System voltage (nominal)
Trail cable
(furnished by customer)
Transformer, auxiliary
Lighting transformer
7200 V
SHD-3-#4 at 8000 V
250 kva, 7200 V primary
480 V secondary
1 x 25 kva
120/240 V secondary
Electric Rope Shovel—7295 HD
Front End
Boom
Boom
Boom point sheaves
Boom point sheave diameters
Handle diameter single stick
Wall thickness (nominal)
ASTM A678 grade C quench
and temper carbon steel
twin-grooved, flame-hardened
cast steel
1.7 m (5 ft 6 in)
0.6 m x 1.04 m
(2 ft x 3 ft 4.75 in)
3.81 cm (1.5 in) top,
4.45 cm (1.75 in) bottom,
3.175 cm (1.25 in) side
Rope Data
Hoist
No. Diameter
2
Boom susp. 4
Dipper trip 1
50.8 mm (2 in)
Type
Construction
twin dual 6x41
69.8 mm (2.75 in)
12.7 mm (.5 in)
6x37
6x37
Crowd
Single 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
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