Complete Systems for Longwall Mining

Caterpillar is the global market leader and supplier of complete longwall systems. All over the world, our equipment and systems are meeting the demands of underground mining under the most stringent conditions. Adapted to the mining challenges faced by our customers today, Cat customised systems range from hydraulic roof supports, automated plow systems, shearers, face conveyors and drive systems, to automation and roof support carriers. Caterpillar delivers your system of choice, from low to high seam heights, for the longest longwalls and highest production demands.

Showing 1–12 of 25 results

CST115 Gearbox

Underground - Longwall

Maximum Output Torque for a Short Duration (3 sec.)

1150000.0 N·m (848196.0 ft-lb)

Maximum Input Speed (motor speed)t

1,782 rpm

Weight (without oil) - In-line Drive System

16400.0 kg (36165.0 lb)

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CST30 Gearbox

Underground - Longwall

Maximum Output Torque for a Short Duration (3 sec.)

300000.0 N·m (221269.0 ft-lb)

Maximum Input Speed (motor speed)t

1,500 rpm @ 50 Hz (1,800 rpm @ 60 Hz)

Weight (without oil) - In-line Drive System

3900.0 kg (8600.0 lb)

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CST45 Gearbox

Underground - Longwall

Maximum Output Torque for a Short Duration (3 sec.)

450000.0 N·m (331858.0 ft-lb)

Maximum Input Speed (motor speed)t

1,782 rpm

Weight (without oil) - In-line Drive System

5900.0 kg (13007.0 lb)

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CST45 M Gearbox

Underground - Longwall

Maximum Output Torque for a Short Duration (3 sec.)

450000.0 N·m (331858.0 ft-lb)

Maximum Input Speed (motor speed)t

1,782 rpm

Weight (without oil) - In-line Drive System

7200.0 kg (15873.0 lb)

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CST45 V Gearbox

Underground - Longwall

Maximum Output Torque for a Short Duration (3 sec.)

450000.0 N·m (331858.0 ft-lb)

Maximum Input Speed (motor speed)t

1,782 rpm

Weight (without oil) - In-line Drive System

5900.0 kg (13000.0 lb)

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CST65 Gearbox

Underground - Longwall

Maximum Output Torque for a Short Duration (3 sec.)

650000.0 N·m (479415.0 ft-lb)

Maximum Input Speed (motor speed)t

1,500 rpm @ 50 Hz (1,800 rpm @ 60 Hz)

Weight (without oil) - In-line Drive System

7300.0 kg (16094.0 lb)

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Customized Roof Support Systems

Underground - Longwall

Height (Extended)

1100-6100 mm (43.3-240.2 in)

Shield Centers

1500-2050 mm (59-80.7 in)

Shield Density

up to 111 tonne/m2 (12.5 ton/ft2)

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EL1000 Longwall Shearer

Underground - Longwall

Typical Machine Length

13.6 m (44.7 ft)

Installed Power

1429 kW (1916 hp)

Haulage System

AC inverter drive

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EL2000 Longwall Shearer

Underground - Longwall

Typical Machine Length

13.75 m (45.1 ft)

Installed Power

1900 kW (2548 hp)

Haulage System

AC

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EL3000 Longwall Shearer

Underground - Longwall

Typical Machine Length

15.20 m (49.9 ft)

Installed Power

2295 kW (3078 hp)

Haulage System

AC

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Face Conveyor - PF3

Underground - Longwall

Top Plate Thickness

30 mm (1.18 in)

Bottom Plate Thickness

20.0 mm (0.78 in)

Dogbone Breaking Force

2000.0 kN (449618.0 lb)

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Face Conveyor - PF4

Underground - Longwall

Top Plate Thickness

40 mm (1.57 in)

Bottom Plate Thickness

25.0 mm (0.98 in)

Dogbone Breaking Force

3600.0 kN (809312.0 lb)

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