8750 Dragline - Puckett Rents

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

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

Electrical

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

Dimensions/Working Ranges

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

Weights – 22.9 m (75 ft) Base

Boom Length @ 39° (109.7 m/360 ft) – Ballast Weight, approximate: 1000000.0 lb
Boom Length @ 39° (109.7 m/360 ft) – Net Weight, domestic, approximate with bucket: 1.213E7 lb
Boom Length @ 39° (109.7 m/360 ft) – Working Weight, approximate with bucket: 1.313E7 lb
Boom Length @ 39° (117.3 m/385 ft) – Ballast Weight, approximate: 1280000.0 lb
Boom Length @ 39° (117.3 m/385 ft) – Net Weight, domestic, approximate with bucket: 1.212E7 lb
Boom Length @ 39° (117.3 m/385 ft) – Working Weight, approximate with bucket: 1.34E7 lb
Boom Length @ 39° (124.9 m/410 ft) – Ballast Weight, approximate: 1427000.0 lb
Boom Length @ 39° (124.9 m/410 ft) – Net Weight, domestic, approximate with bucket: 1.2203E7 lb
Boom Length @ 39° (124.9 m/410 ft) – Working Weight, approximate with bucket: 1.363E7 lb

Electrical – 22.9 m (75 ft) Base

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

Base – 22.9 m (75 ft) Base

Bearing Area: 4418.0 ft2
Bearing Pressure: 137.9-147.5 kPa (20.00-21.40 psi)
Circle Rail Diameter: 55.0 ft
Outside Diameter: 75.0 ft
Rollers (average diameter): 14.0 in
Swing Gear (pitch diameter): 45.51 ft

Walking Mounting – 22.9 m (75 ft) Base

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

Weights – 25.6 m (84 ft) Base

Boom Length @ 39° (109.7 m/360 ft) – Ballast Weight, approximate: 614000.0 lb
Boom Length @ 39° (109.7 m/360 ft) – Net Weight, domestic, approximate with bucket: 1.4545E7 lb
Boom Length @ 39° (109.7 m/360 ft) – Working Weight, approximate with bucket: 1.5159E7 lb
Boom Length @ 39° (117.3 m/385 ft) – Ballast Weight, approximate: 927000.0 lb
Boom Length @ 39° (117.3 m/385 ft) – Net Weight, domestic, approximate with bucket: 1.4782E7 lb
Boom Length @ 39° (117.3 m/385 ft) – Working Weight, approximate with bucket: 1.5709E7 lb
Boom Length @ 39° (124.9 m/410 ft) – Ballast Weight, approximate: 1131000.0 lb
Boom Length @ 39° (124.9 m/410 ft) – Net Weight, domestic, approximate with bucket: 1.4793E7 lb
Boom Length @ 39° (124.9 m/410 ft) – Working Weight, approximate with bucket: 1.5924E7 lb
Boom Length @ 39° (132.5 m/435 ft) – Ballast Weight, approximate: 1168000.0 lb
Boom Length @ 39° (132.5 m/435 ft) – Net Weight, domestic, approximate with bucket: 1.471E7 lb
Boom Length @ 39° (132.5 m/435 ft) – Working Weight, approximate with bucket: 1.5878E7 lb

Electrical – 25.6 m (84 ft) Base

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

Base – 25.6 m (84 ft) Base

Bearing Area: 5542.0 ft2
Bearing Pressure: 131.0-140.6 kPa (19.00-20.39 psi)
Circle Rail Diameter: 55.0 ft
Outside Diameter: 84.0 ft
Rollers (average diameter): 16.0 in
Swing Gear (pitch diameter): 45.51 ft

Walking Mounting – 25.6 m (84 ft) Base

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