Caterpillar Performance Handbook, January 2017, SEBD0351-47
Specifications ● 8750 – 22.9 m (75'0") Base
Draglines
MODEL
8750 – 22.9 m (75'0") Base
124.9 m
124.9 m
124.9 m
Boom Length BoomAngle
410'0"
410'0"
410'0"
39°
35°
32°
249 480 kg
242 676 kg
226 800 kg
Rated Suspension Load
550,000 lb
535,000 lb
500,000 lb
Weights*
Net Weight, Domestic (approximate with bucket) WorkingWeight (approximate with bucket) Ballast Weight (approximate)
5 535 188 kg
12,203,000 lb
*
*
6 182 464 kg 647 276 kg
13,630,000 lb 1,427,000 lb
* *
* *
Drag Rope
Drum Diameter
317.5 cm
317.5 cm
317.5 cm
125"
125"
125"
Number
2
2
2
Rope Diameter
11.4 cm
10.8 cm
10.8 cm
4.5"
4.25"
4.25"
Hoist Rope
Drum Diameter
317.5 cm
317.5 cm
317.5 cm
125"
125"
125"
Number
2
2
2
Rope Diameter
11.4 cm
10.8 cm
10.8 cm
4.5"
4.25"
4.25"
Electrical
IGBT-AFE Inverter Cabinets
(4) or (5) water cooled
(4) or (5) water cooled
(4) or (5) water cooled
Hoist Motors
(6) to (8) × 1230 kW
(6) to (8) × 1230 kW
(6) to (8) × 1230 kW
(6) to (8) × 1650 applied hp (6) to (8) × 1650 applied hp (7) to (8) × 1250 applied hp (4) × 1250 applied hp
(6) to (8) × 1650 applied hp (6) to (8) × 1650 applied hp (7) to (8) × 1250 applied hp (4) × 1250 applied hp
(6) to (8) × 1650 applied hp (6) to (8) × 1650 applied hp (7) to (8) × 1250 applied hp (4) × 1250 applied hp
Drag Motors
(6) to (8) × 1230 kW
(6) to (8) × 1230 kW
(6) to (8) × 1230 kW
Swing Motors
(7) to (8) × 932 kW
(7) to (8) × 932 kW
(7) to (8) × 932 kW
Walking Motors
(4) × 932 kW
(4) × 932 kW
(4) × 932 kW
Base
Outside Diameter
22.9 m
22.9 m
22.9 m
75'0"
75'0"
75'0"
410.5 m 2
410.5 m 2
Bearing Area
410.5 m 2
4418 ft 2
4418 ft 2
4418 ft 2
Bearing Pressure* Circle Rail Diameter
137.9-147.5 kPa 20.00-21.40 psi 137.9-147.5 kPa 20.00-21.40 psi 137.9-147.5 kPa 20.00-21.40 psi
16.8 m 35.6 cm 13.87 m
16.8 m 35.6 cm 13.87 m
16.8 m 35.6 cm 13.87 m
55'0"
55'0"
55'0"
Rollers (average diameter) Swing Gear (pitch diameter)
14"
14"
14"
45'6"
45'6"
45'6"
Walking Mounting
ShoeWidth and Length Combined Bearing Area
4.3 m × 21.3 m
4.3 m × 21.3 m
4.3 m × 21.3 m
14'0" × 70'0"
14'0" × 70'0"
14'0" × 70'0"
182.1 m 2
182.1 m 2
182.1 m 2
1960 ft 2
1960 ft 2
1960 ft 2
Bearing Pressure (@ 80% of working weight) 256.5-268.9 kPa
256.5-268.9 kPa
256.5-268.9 kPa
37.2-39.0 psi
37.2-39.0 psi
37.2-39.0 psi
Overall Width over Shoes Length of Step (approximate)
32.3 m 2.13 m
32.3 m 2.13 m
32.3 m 2.13 m
106'0"
106'0"
106'0"
7'0"
7'0"
7'0"
76-116 m 3
76-116 m 3
Bucket Capacity
76-116 m 3
100-152 yd 3
100-152 yd 3
100-152 yd 3
*Net weight, ballast weight, working weight, bearing pressure (kPa/psi) will vary with boom length, angle, and rated suspended load. NOTE: Motor combinations and IGBT-AFE Inverter Cabinets vary with boom length, angle, and rated suspension load.
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Edition 47 16-11
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