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.
UEL Gearboxes
Armored Face Conveyors
CST Drive Systems
Mining Controls
Plows
Roof Supports
Shearers
Variable Frequency Drives
Armored Face Conveyors
-
PF HD Face Conveyor Line Pan
- Dogbone Breaking Force
- 1,011,640 lbf
- Bottom Plate Thickness
- 1.57 in
- Deck Plate Thickness
- 2.76 in
-
Face Conveyor - PF3
- Dogbone Breaking Strength
- 2000 kN (224.80 tonf)
- Line Pan Width - PF3/722
- 28.42 in
- Conveying Capacity - PF3/722
- 1.93 ft²
-
Face Conveyor - PF4
- Line Pan Width - PF4/932
- 36.69 in
- Vertical Articulation
- up to ±6°
- Line Pan Width - PF4/1332
- 52.44 in
-
Face Conveyor - PF5
- Dogbone Breaking Strength
- 4500 kN (505.82 tonf)
- Conveying Capacity - PF5/1142
- 6.24 ft²
- Chain Strands
- DKB 42×146; DKB 48×160/144
-
Face Conveyor - PF6
- Line Pan Width - PF6/1142
- 44.96 in
- Dogbone Housing FoS
- 1.5 times
- Flightbar Width - PF6/1142
- 38.89 in
-
PF7 Face Conveyor
- Vertical Articulation
- up to ±6°
- Profile Height
- 13.78 in
- Horizontal Articulation
- 0.8°-1.2°
CST Drive Systems
-
CST115 Gearbox
- Maximum Output Torque for a Short Duration (3 sec.)
- 848,196 ft-lb
- Maximum Input Speed - Motor Speed
- 1,782 rpm
- Weight - Without Oil - In-line Drive System
- 36,165 lb
-
CST30 Gearbox
- Maximum Input Speed - Motor Speed
- 1,500 rpm @ 50 Hz (1,800 rpm @ 60 Hz)
- Weight - Without Oil - In-line Drive System
- 8,600 lb
- Input Shaft - Cylindrical
- DIN 5480-W 100×4×30×24
-
CST45 Gearbox
- Maximum Input Speed - Motor Speed
- 1,782 rpm
- Weight - Without Oil - In-line Drive System
- 13,007 lb
- P-45 CST - Length
- 66.80 in
-
CST45 M Gearbox
- Maximum Input Speed - Motor Speed
- 1,782 rpm
- Weight - Without Oil - In-line Drive System
- 15,873 lb
- Rated Power P @ 50 Hz (n = 1,485 rpm) - Ratio i [-]: 28
- 800 kW
-
CST45 V Gearbox
- Maximum Input Speed - Motor Speed
- 1,782 rpm
- Weight - Without Oil - In-line Drive System
- 13,000 lb
- Input Shaft - Cylindrical
- DIN 5480-W 120×4
-
CST65 Gearbox
- Maximum Input Speed - Motor Speed
- 1,500 rpm @ 50 Hz (1,800 rpm @ 60 Hz)
- Weight - Without Oil - In-line Drive System
- 16,094 lb
- Input Shaft - Cylindrical
- DIN 5480-W 120×4
Mining Controls
-
MCU2 Main Control Unit
- Operating System
- Windows 7
- Processor
- Intel Core i7, 2.1 GHz
- RAM Memory
- 4 GB
-
PMC-D/PMC-D20 Drive Control Unit
- Operating System
- µITRON RTOS
- Processor
- 32Bit RISC Microcontroller TX1940CYAF, 32MHz, internal RAM 10Kbytes, ROM 256Kbytes
- RAM Memory
- 4Mbytes CMOS Static RAM, 4Mbytes Flash
-
PMC-R Roof Support Control
- Operating System
- µITRON RTOS
- Processor
- 16Bit Microcontroller TMP91CW12AF, 27MHz, internal RAM 4Kbytes, ROM 125Kbytes
- RAM Memory
- 2Mbytes CMOS Static RAM, 4Mbytes Flash
-
PMC-R 2.0 Roof Support Control
- CPU
- Cat A6 family
- Clock Frequency
- Up to 260 MHz
- Memory
- 8 MB internal FLASH ROM; 32 MB external FLASH ROM
-
PMC-V Human Machine Interface for PMC-D Drive Control Systems
- Operating System
- µITRON RTOS
- Processor
- 32Bit RISC Microcontroller TX1940CYAF, 32MHz, internal RAM 10Kbytes, ROM 256Kbytes
- RAM Memory
- 4Mbytes CMOS Static RAM, 4Mbytes Flash
Plows
-
GH1600 Automated Plow System
- Coal Hardness
- Medium to extremely hard coal
- Maximum Installed Power
- 2 × 800 kW (2 × 1,080 hp)
- Mining Height
- 1.1 m-2.3 m (43 in-90 in)
-
GH800 - Plow System
- Coal Hardness
- Soft - hard coal
- Maximum Installed Power
- 2 × 400 kW (2 × 540 hp)
- Plow Heights - With Gobside Support - Height 1
- 1570-1735 mm (5.15-5.69 ft)
-
GH800B Automated Plow System
- Coal Hardness
- Soft-hard Coal
- Maximum Installed Power
- 2 × 400 kW (2 × 536 hp)
- Maximum Plow Speed
- 600 ft/min
-
RHH800 - Plow System
- Coal Hardness
- Soft - hard coal
- Maximum Installed Power
- 2 × 400 kW (2 × 536 hp)
- Maximum Cutting Depth
- 0.62 ft
Shearers
-
EL1000 Longwall Shearer
- Seam Range
- 1.6-3.9 m (63-156 in)
- Haulage Power
- 2 × 100 kW @ 50 Hz (2 × 134 hp @ 60 Hz)
- Cutting Power
- 2 × 500 kW @ 50 Hz (2 × 805 hp @ 60 Hz)
-
EL2000 Longwall Shearer
- Seam Range
- 1.8-4.5 m (71-177 in)
- Haulage Power
- 2 × 125 kW (2 × 168 hp) @ 50 Hz; 2 × 125 kW (2 × 168 hp) @ 60 Hz
- Cutting Power
- 2 × 500 kW (2 × 671 hp) @ 50 Hz; 2 × 600 kW (2 × 805 hp) @ 60 Hz
-
EL3000 Longwall Shearer
- Seam Range
- 2.5-5.6 m @ 50 Hz (98-220 in @ 60 Hz)
- Haulage Power
- 2 × 150 kW @ 50 Hz (2 × 240 hp @ 60 Hz)
- Cutting Power
- 2 × 620 kW @ 50 Hz (2 × 998 hp @ 60 Hz), 2 × 750 kW @ 50 Hz (2 × 1,207 hp @ 60 Hz), 2 × 860 kW @ 50 Hz (2 × 1,380 hp @ 60 Hz)
Variable Frequency Drives
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