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.

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Armored Face Conveyor Drives
MODEL	MAXIMUM OUTPUT TORQUE FOR A SHORT DURATION (3 SEC.)	MAXIMUM INPUT SPEED (MOTOR SPEED)	WEIGHT (WITHOUT OIL) – IN-LINE DRIVE SYSTEM	Units:US \| Metric


CST30	300000 N·m	1,500 rpm @ 50 Hz (1,800 rpm @ 60 Hz)	3900 kg	221269 ft-lb	1,500 rpm @ 50 Hz (1,800 rpm @ 60 Hz)	8600 lb	View Specifications

CST45	450000 N·m	1,782 rpm	5900 kg	331858 ft-lb	1,782 rpm	13007 lb	View Specifications

CST65	650000 N·m	1,500 rpm @ 50 Hz (1,800 rpm @ 60 Hz)	7300 kg	479415 ft-lb	1,500 rpm @ 50 Hz (1,800 rpm @ 60 Hz)	16094 lb	View Specifications

Armored Face Conveyor Line Pans
MODEL	TOP PLATE THICKNESS	BOTTOM PLATE THICKNESS	DOGBONE BREAKING FORCE


PF3	30 mm (1.2 in)	20 mm	2000 kN	30 mm (1.2 in)	0.8 in	449618 lb	View Specifications

PF4	40 mm (1.6 in)	25 mm	3600 kN	40 mm (1.6 in)	1 in	809312 lb	View Specifications

PF5	50 mm (2.0 in)	30 mm	4500 kN	50 mm (2.0 in)	1.2 in	1011640 lb	View Specifications

PF6	30 + 25 mm (1.2 + 1.0 in)	30 mm	4500 kN	30 + 25 mm (1.2 + 1.0 in)	1.2 in	1011640 lb	View Specifications

Plows
MODEL	COAL HARDNESS	MAXIMUM INSTALLED POWER	MAXIMUM CUTTING DEPTH


RHH800	Soft – hard coal	2 × 400 kW (2 × 540 hp)	150 mm	Soft – hard coal	2 × 400 kW (2 × 540 hp)	6 in	View Specifications

GH800	Soft – hard coal	2 × 400 kW (2 × 540 hp)	180 mm	Soft – hard coal	2 × 400 kW (2 × 540 hp)	7 in	View Specifications

GH1600	Medium to extremely hard coal	2 × 800 kW (2 × 1,080 hp)	210 mm	Medium to extremely hard coal	2 × 800 kW (2 × 1,080 hp)	8.27 in	View Specifications

Roof Support Carriers
MODEL	CARRY CAPACITY	VEHICLE LENGTH	VEHICLE WIDTH


SH620	20 tonnes	9.5 m	2.85 m	22 tons	31.17 ft	9.35 ft	View Specifications

SH630	33 tonnes	10.88 m	2.9 m	36 tons	35.7 ft	9.51 ft	View Specifications

SH640 D	40 tonnes	9.2 m	2.65 m	44 tons	30.18 ft	8.69 ft	View Specifications

SH650	45 tonnes	11.68 m	3.03 m	50 tons	38.32 ft	9.94 ft	View Specifications

SH650 VFD	45 tonnes	11.76 m	3.03 m	50 tons	38.58 ft	9.94 ft	View Specifications

SH650 D	45 tonnes	11.68 m	3.03 m	50 tons	38.32 ft	9.94 ft	View Specifications

SH660 D	55 tonnes	10.07 m	3.1 m	60 tons	33.04 ft	10.17 ft	View Specifications

SH660 HD	60 tonnes	10.07 m	3.1 m	66 tons	33.04 ft	10.17 ft	View Specifications

SH680	80 tonnes	13.8 m	3.95 m	88 tons	45.28 ft	12.96 ft	View Specifications

Roof Supports
MODEL	HEIGHT (EXTENDED)	SHIELD CENTERS	SHIELD DENSITY


Customized Roof Support Systems	1100-6100 mm (43.3-240.2 in)	1500-2050 mm (59-80.7 in)	up to 111 tonne/m2 (12.5 ton/ft2)	1100-6100 mm (43.3-240.2 in)	1500-2050 mm (59-80.7 in)	up to 111 tonne/m2 (12.5 ton/ft2)	View Specifications

Shearers
MODEL	TYPICAL MACHINE LENGTH	INSTALLED POWER	HAULAGE SYSTEM


EL2000	13.75 m	1900 kW	AC	45.1 ft	3040 hp	AC	View Specifications

EL3000	15.2 m	2295 kW	AC inverter drive	49.9 ft	3680 hp	AC inverter drive	View Specifications

EL4000	16.7 m	2295 kW	AC	54.8 ft	3680 hp	AC	View Specifications