No construction equipment manufacturer understands the need for increased performance better than Caterpillar® does, and with the CAT Controlled Start Transmission Drive System, you’ll find a new kind of drive system — one that’s truly intelligent for face conveyors. The CST45 M Drive System can be used for driving CAT automated plow systems and armored face conveyors. The “M” indicates that it has a pump unit containing a separate pump motor. This separate motor runs independently — rather than with the gearbox drive motor speed — which means that there is a constant flow of oil to cool and lubricate the gearbox. Learn more about this and our other CAT parts when you contact us today.

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CST45 M Drive System
- Specs
- Media
Specs
Overview
Long Name:
CST45 M Gearbox
Name:
CST45 M
Brand:
Caterpillar
Status:
Current
Specifications
Maximum Output Torque for a Short Duration (3 sec.):
331858.0 ft-lb / 450000.0 N·m
Maximum Input Speed (motor speed) :
1,782 rpm
Weight (without oil) - In-line Drive System:
15873.0 lb / 7200.0 kg
Shaft Design
Input Shaft (cylindrical):
DIN 5480-W 120×4
Output Shaft with Internal Toothing:
DIN 5480-N 260×10×30×24
Requirements of Cooling Water
Maximum Water Inlet Temperature:
25° C/298.15 K (77° F/298.15 K)
Required Cooling Water Quantity:
7.9 gal/min / 30.0 L/min
Dimensions
Height:
41.7 in / 1060.0 mm
Length:
66.8 in / 1697.0 mm
Width:
44.1 in / 1120.0 mm
Typical Application
Description:
Chain Type Longwall Machinery like Armored Face Conveyors (AFC) and Plow Systems
Maximum Output Torque (for 3 sec) Tmax [N·m]
P-45 M CST:
331858.0 lb ft / 450000.0 N·m
Rated Power P @ 50 Hz (n = 1,485 rpm) - Ratio i [-]: 16:
800 kW
Rated Power P @ 50 Hz (n = 1,485 rpm) - Ratio i [-]: 21:
800 kW
Rated Power P @ 50 Hz (n = 1,485 rpm) - Ratio i [-]: 28:
800 kW
Rated Power P @ 50 Hz (n = 1,485 rpm) - Ratio i [-]: 33:
800 kW
Rated Power P @ 50 Hz (n = 1,485 rpm) - Ratio i [-]: 39:
700 kW
Rated Power P @ 50 Hz (n = 1,485 rpm) - Ratio i [-]: 45:
540 kW
Rated Power P @ 50 Hz (n = 1,485 rpm) - Ratio i [-]: 50:
500 kW
Rated Power P @ 60 Hz (n = 1,782 rpm) - Ratio i [-]: 16:
1,305 hp
Rated Power P @ 60 Hz (n = 1,782 rpm) - Ratio i [-]: 21:
1,305 hp
Rated Power P @ 60 Hz (n = 1,782 rpm) - Ratio i [-]: 28:
1,305 hp
Rated Power P @ 60 Hz (n = 1,782 rpm) - Ratio i [-]: 33:
1,305 hp
Rated Power P @ 60 Hz (n = 1,782 rpm) - Ratio i [-]: 39:
1,142 hp
Rated Power P @ 60 Hz (n = 1,782 rpm) - Ratio i [-]: 45:
881 hp
Rated Power P @ 60 Hz (n = 1,782 rpm) - Ratio i [-]: 50:
816 hp
Capacity
Gearbox Weight (without oil):
15873.0 lb / 7200.0 kg
Oil Quantity:
85.0 gal / 320.0 L