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Power Division Plus Positioning

Marine Control Drives
  • Three sizes each offer five models to cover the range of applications
  • Power capacities range from 160 to 4500 kW (215 to 6035 hp) at 1800 rpm
  • Smooth, gradual propeller speed change promotes maneuverability
  • Comes standard with PTO to drive equipment
  • Eliminates need for auxiliary engines

The Twin Disc marine control drive (MCD) delivers two-in-one operation, performing as a fixed ratio drive when underway and as a variable ratio drive when a power divider is required. Recent clutch changes enable the largest model to transmit 3000 kW with full modulation and no restrictions.

MCD5000

kW/rpm (HD)

3.75

Dissipation (HD)

400 kW

MCD4000

kW/rpm (LD)

2.40

kW/rpm (HD)

2.40

Dissipation (HD)

190 kW

MCD2000

kW/rpm (LD)

1.20

kW/rpm (HD)

1.20

Dissipation (HD)

100 kW

MCD2000

Twin Disc pioneered the slipping clutch concept more than 30 years ago and today offers a full line of timetested, field-proven Marine Control Drives (MCDs).

The new series of MCDs offers distinct operating advantages for any vessel requiring highly accurate positioning or extreme slow-speed maneuverability while splitting main engine power to operate high-powered FiFi pumps.

Description

• Extraordinarily modulated power achieves propeller speeds below engine idling speed.
• Unique design and manufacture allow for intentional clutch slipping to regulate propulsion speed.
• LD (Low Dissipation) slips up to engine idle speed for maneuvering and DP operation.*
• MD (Medium Dissipation) slips up to a defined engine speed below rated speed, allowing power dividing up to that speed/power.*
• HD (High Dissipation) slips up to rated engine speed with the capability to dissipate all heat generated by that when power dividing.*
• Optional high-power PTO to drive auxiliary equipment.
• Optional PTI for secondary propulsion power source, up to 7,600 Nm torque on MCD output shaft.
• Used in conjunction with azimuth thruster systems.
• Best alternative to controllable pitch propellers (CPP).

*Twin Disc’s expert application team will help customize your MCD selection to the desired operator requirement.

SPECIFICATIONS

LD MODELS

LD MODELS

HD MODELS

HD MODELS

HD MODELS

Model

kW/rpm

Model

kW/rpm

Dissipation

MCD-2000-1LD

1.20

MCD-2000-1HD

1.20

100 kW

MCD-2000-2LD

1.60

MCD-2000-2HD

1.60

130 kW

MCD-2000-3LD

2.00

MCD-2000-3HD

2.00

160 kW

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