8750

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Overview

Offering the highest levels of overburden removal productivity at the lowest total cost per tonne (ton), the 8750 is the flagship model of the Cat dragline product line. The first dragline of any kind to be successfully equipped with AC IGBT drive systems, we developed this superior technology for the sole purpose of making your workday more productive, predictable, and most importantly, safe.

Specifications

Units:
Bucket Capability 76-116 m3 (100-152 yd3) 76-116 m3 (100-152 yd3) Less
Boom Length 109.7-132.5 m (360-435 ft) 109.7-132.5 m (360-435 ft) Less
Working Weight (Approximate) 5.8-7.5 million kg (13.1-15.9 million lb) 5.8-7.5 million kg (13.1-15.9 million lb) Less

Electrical

Drag Motors 6 to 8 × 1230 kW (6 to 8 × 1,650 hp) 6 to 8 × 1230 kW (6 to 8 × 1,650 hp) Less
Hoist Motors 6 to 8 × 1230 kW (6 to 8 × 1,650 hp) 6 to 8 × 1230 kW (6 to 8 × 1,650 hp) Less
IGBT-AFE Inverter Cabinets 4 or 5 Water-Cooled 4 or 5 Water-Cooled Less
Walking Motors 4 × 932 kW (4 × 1,250 hp) 4 × 932 kW (4 × 1,250 hp) Less

Dimensions/Working Ranges

Approximate Working Weight 5.8-7.5 million kg (13.1-15.9 million lb) 5.8-7.5 million kg (13.1-15.9 million lb) Less
Boom Lengths 109.7-132.5 m (360-435 ft) 109.7-132.5 m (360-435 ft) Less
Bucket Capabilities 76-116 m3 (100-152 yd3) 76-116 m3 (100-152 yd3) Less
Rated Suspended Load 226,800-344,736 kg (500,000-760,000 lb) 226,800-344,736 kg (500,000-760,000 lb) Less

Weights - 22.9 m (75 ft) Base

Boom Length @ 39° (109.7 m/360 ft) - Ballast Weight, approximate 1000000.0 lb 453592.0 kg Less
Boom Length @ 39° (109.7 m/360 ft) - Net Weight, domestic, approximate with bucket 1.213E7 lb 5502075.0 kg Less
Boom Length @ 39° (109.7 m/360 ft) - Working Weight, approximate with bucket 1.313E7 lb 5955668.0 kg Less
Boom Length @ 39° (117.3 m/385 ft) - Ballast Weight, approximate 1280000.0 lb 580598.0 kg Less
Boom Length @ 39° (117.3 m/385 ft) - Net Weight, domestic, approximate with bucket 1.212E7 lb 5497540.0 kg Less
Boom Length @ 39° (117.3 m/385 ft) - Working Weight, approximate with bucket 1.34E7 lb 6078138.0 kg Less
Boom Length @ 39° (124.9 m/410 ft) - Ballast Weight, approximate 1427000.0 lb 647276.0 kg Less
Boom Length @ 39° (124.9 m/410 ft) - Net Weight, domestic, approximate with bucket 1.2203E7 lb 5535188.0 kg Less
Boom Length @ 39° (124.9 m/410 ft) - Working Weight, approximate with bucket 1.363E7 lb 6182464.0 kg Less

Electrical - 22.9 m (75 ft) Base

Drag Motors 6 to 8 × 1230 kW (6 to 8 × 1,650 hp) 6 to 8 × 1230 kW (6 to 8 × 1,650 hp) Less
Hoist Motors 6 to 8 × 1230 kW (6 to 8 × 1,650 hp) 6 to 8 × 1230 kW (6 to 8 × 1,650 hp) Less
IGBT-AFE Inverter Cabinets 4 Water-Cooled* 4 Water-Cooled* Less
Swing Motors 7 or 8 × 932 kW (7 or 8 × 1,250 hp) 7 or 8 × 932 kW (7 or 8 × 1,250 hp) Less
Walking Motors 4 × 932 kW (4 × 1,250 hp) 4 × 932 kW (4 × 1,250 hp) Less

Base - 22.9 m (75 ft) Base

Bearing Area 4418.0 ft2 410.5 m2 Less
Bearing Pressure 137.9-147.5 kPa (20.00-21.40 psi) 137.9-147.5 kPa (20.00-21.40 psi) Less
Circle Rail Diameter 55.0 ft 16.8 m Less
Outside Diameter 75.0 ft 22.9 m Less
Rollers (average diameter) 14.0 in 35.6 cm Less
Swing Gear (pitch diameter) 45.51 ft 13.87 m Less

Walking Mounting - 22.9 m (75 ft) Base

Bearing Pressure (@ 80% of working weight) 256.5-268.9 kPa (37.20-39.00 psi) 256.5-268.9 kPa (37.20-39.00 psi) Less
Combined Bearing Area 1960.0 ft2 182.1 m2 Less
Length of Step (approximate) 7.0 ft 2.13 m Less
Overall Width Over Shoes 106.0 ft 32.3 m Less
Shoe Width and Length 4.3 m × 21.3 m (14 ft × 70 ft) 4.3 m × 21.3 m (14 ft × 70 ft) Less

Weights - 25.6 m (84 ft) Base

Boom Length @ 39° (109.7 m/360 ft) - Ballast Weight, approximate 614000.0 lb 278505.0 kg Less
Boom Length @ 39° (109.7 m/360 ft) - Net Weight, domestic, approximate with bucket 1.4545E7 lb 6597500.0 kg Less
Boom Length @ 39° (109.7 m/360 ft) - Working Weight, approximate with bucket 1.5159E7 lb 6876006.0 kg Less
Boom Length @ 39° (117.3 m/385 ft) - Ballast Weight, approximate 927000.0 lb 420480.0 kg Less
Boom Length @ 39° (117.3 m/385 ft) - Net Weight, domestic, approximate with bucket 1.4782E7 lb 6705000.0 kg Less
Boom Length @ 39° (117.3 m/385 ft) - Working Weight, approximate with bucket 1.5709E7 lb 7125480.0 kg Less
Boom Length @ 39° (124.9 m/410 ft) - Ballast Weight, approximate 1131000.0 lb 513013.0 kg Less
Boom Length @ 39° (124.9 m/410 ft) - Net Weight, domestic, approximate with bucket 1.4793E7 lb 6709992.0 kg Less
Boom Length @ 39° (124.9 m/410 ft) - Working Weight, approximate with bucket 1.5924E7 lb 7223005.0 kg Less
Boom Length @ 39° (132.5 m/435 ft) - Ballast Weight, approximate 1168000.0 lb 529796.0 kg Less
Boom Length @ 39° (132.5 m/435 ft) - Net Weight, domestic, approximate with bucket 1.471E7 lb 6672341.0 kg Less
Boom Length @ 39° (132.5 m/435 ft) - Working Weight, approximate with bucket 1.5878E7 lb 7202140.0 kg Less

Electrical - 25.6 m (84 ft) Base

Drag Motors 6 to 8 × 1230 kW (6 to 8 × 1,650 hp) 6 to 8 × 1230 kW (6 to 8 × 1,650 hp) Less
Hoist Motors 6 to 8 × 1230 kW (6 to 8 × 1,650 hp) 6 to 8 × 1230 kW (6 to 8 × 1,650 hp) Less
IGBT-AFE Inverter Cabinets 4 or 5 Water-Cooled* 4 or 5 Water-Cooled* Less
Swing Motors 8 or 10 × 932 kW (8 or 10 × 1,250 hp) 8 or 10 × 932 kW (8 or 10 × 1,250 hp) Less
Walking Motors 4 × 932 kW (4 × 1,250 hp) 4 × 932 kW (4 × 1,250 hp) Less

Base - 25.6 m (84 ft) Base

Bearing Area 5542.0 ft2 514.8 m2 Less
Bearing Pressure 131.0-140.6 kPa (19.00-20.39 psi) 131.0-140.6 kPa (19.00-20.39 psi) Less
Circle Rail Diameter 55.0 ft 16.8 m Less
Outside Diameter 84.0 ft 25.6 m Less
Rollers (average diameter) 16.0 in 40.6 cm Less
Swing Gear (pitch diameter) 45.51 ft 13.87 m Less

Walking Mounting - 25.6 m (84 ft) Base

Bearing Pressure (@ 80% of working weight) 226.8-243.5 kPa (32.90-35.32 psi) 226.8-243.5 kPa (32.90-35.32 psi) Less
Combined Bearing Area 2560.0 ft2 237.8 m2 Less
Length of Step (approximate) 7.48 ft 2.28 m Less
Overall Width Over Shoes 121.65 ft 37.08 m Less
Shoe Width and Length 4.9 m × 24.4 m (16 ft × 80 ft) 4.9 m × 24.4 m (16 ft × 80 ft) Less

AC Electrics

More reliable and efficient electrics


Operator’s Cab

Maximize your performance with enhanced safety and comfort features


Mechanical Systems

Maximizing your uptime with durable and dependable mechanical systems


Major Structures

Bolstering your life-of-mine investment with robust and durable dragline structures


Cat® MineStar™ System and Technology Solutions

Evolving your mine for greater safety and productivity


Dragline Model Selection

Maximizing your return on investment and optimizing your dragline performance


Aftermarket Solutions

Improving your productivity and reliability over the life of your machine


Safety

Designed with your safety as our top priority


Serviceability

Designed to get you back to work fast


Customer Support

Stay up and running with service and support from our unmatched global network


Operator Training

Maximize your investment


Sustainability

Higher standards for a better tomorrow


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