Caterpillar Underground – Longwall

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 customized 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.

Caterpillar Underground – Longwall
 
Armored Face Conveyor Line Pans
ModelBottom Plate ThicknessDogbone Breaking ForceTop Plate ThicknessBottom Plate Thickness
PF30.8 in449618 lb
PF41 in809312 lb1.6 in1 in
PF51.2 in1011640 lb
PF61.2 in1011640 lb2 in1.2 in

Armored Face Conveyor Drives
ModelMaximum Output Torque for a Short Duration (3 sec.)Weight (without oil) – In-line Drive SystemWidthHeight
CST30221269 ft-lb8600 lb
CST45331858 ft-lb13007 lb
CST45 M331858 ft-lb15873 lb44.1 in41.7 in
CST65479415 ft-lb16094 lb
CST115848196 ft-lb36165 lb
CST45 V331858 ft-lb13000 lb

Plows
ModelMaximum Cutting DepthMaximum Cutting DepthPlow LengthCutting Depth
RHH8006 in
GH8007 in0.64 ft
GH16008.27 in8.27 in9.74 ft0.69 ft

Roof Support Carriers
ModelCarry CapacityVehicle LengthVehicle WidthLength Less Load Lifting and Battery Tray
SH62022 tons31.17 ft9.35 ft25.83 ft
SH63036 tons35.7 ft9.51 ft
SH640 D44 tons30.18 ft8.69 ft
SH65050 tons38.32 ft9.94 ft
SH650 VFD50 tons38.58 ft9.94 ft
SH650 D50 tons38.32 ft9.94 ft
SH660 D60 tons33.04 ft10.17 ft
SH660 HD66 tons33.04 ft10.17 ft
SH68088 tons45.28 ft12.96 ft

Shearers
ModelTypical Machine LengthInstalled PowerCoal SizerPump Motor
EL200045.1 ft3040 hp160 hp80 hp
EL300049.9 ft3680 hp
EL400054.8 ft3680 hp320 hp120 hp




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