M 20 C

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Specifications

OVERVIEW

Developed and designed in response to special requirements of marine applications, the M 20 C is characterized by high reliability and economy. These features help to explain the continued high market demand for the M 20 C. The long-stroke design principle is the backbone of an excellent combustion process with low fuel and lubricating oil consumption, as well as low NOx emission. The M 20 C engine is SOLAS compliant. Its intelligent simplicity means high functional integration of fewer components. Fewer components mean greater reliability and easier maintenance. Overall, this leads to outstandingly low operating costs and rapid returns on investment. Reliability and ease of maintenance are convincing arguments in favor of the engines of this series.

Power Rating

Power Range

1020-1800 kW

Engine Specifications

Speed Range

900-1000 rpm

Emissions

IMO II

Aspiration

Turbocharged

Bore

200

Stroke

300

Swept volume

9.4

Rotation (from flywheel end)

Counterclockwise/Clockwise

Configuration

Inline 6,8,9 Cylinder

Dimensions & Weights

Minimum Dry Weight

10.9

Minimum Length

4049

Maximum Length

5176

Minimum Height

2344

Maximum Height

2797

Minimum Width

1591

Maximum Width

1727

Equipment

M 20 C Standard equipment

Air Inlet System

Air intake silencer / filter

Control System

Load Sharing Unit (for multiple engine plant only)

Protection panel (emergency stop, override, reset push buttons)

Protection System

Serial Link Interface (MODbus RTU/canbus)

Speed governor

Start/Stop panel

Cooling System

Charge air cooler

Electronic cooling water preheater

HT cooling water pump (engine driven)

LT cooling water pump (engine driven)

Exhaust System

Exhaust gas expansion joint

Exhaust gas insulated manifolds

Turbocharger at flywheel side

Fuel System

Fuel circulating pump (attached / for MDO/MGO only)

Fuel indicator filter

Fuel pressure valve (separate / for MDO/MGO only)

Instrumentation

Control push buttons and lamps

Emergency stop lever

Local Control Panel

Pressure and temperature indicator

Lube System

Dry sump

Lube oil cooler

Lube oil pump (engine driven)

Lube oil self-cleaning filter

Pressure regulating valve

Mounting System

High flexible coupling

Rigid mounting

Starting System

Air starting motor

Manual barring device

General

Lifting device (rental)

Torsional Vibration Calculation (TVC)

M 20 C Optional equipment

Air Inlet System

Air inlet shut-off valve

Air intake transition piece

Expansion joint

Silencer / filter

Control System

Electronic speed governor

Engine alarm system

Remote control system

Remote indicators (start air pressure, engine speed, etc.)

Starter for electroc driven pumps

24 DC UPS

Cooling System

FW/SW plate cooler

HT cooling water pump (electric driven)

LT cooling water pump (electric driven)

Sea water cooling pump (electric driven)

Steam / thermal oil cooling water preheater

Temperature control valve

Exhaust System

Silencer (with or without spark arrester)

Turbocharger at counter-flywheel side

Fuel System

Fuel oil cooler

HFO treatment and supply modules

HFO supply and booster pumps (electrical driven)

HFO self-cleaning automatic filter

HFO pressure regulating valve

HFO final preheater

HFO viscosity control device

Mixing tank

Lube System

Lube oil centrifuge

Lube oil pump (electrical driven)

Lube oil treatment and combined modules

Pre-lubricating oil sump (electrical driven)

Wet sump

Mounting System

Flexible pipe connections

Resilient mounting

Starting System

Starting air receiver

Starting air compressor

General

Cat Propulsion Systems

Engine PTO coupling

PTO alternator

PTO shaft on counter-flywheel side

Reduction gear

Reduction gear PTO coupling

Benefits & Features

Features & Benefits

Engine with high safety level

The M 20 C is an engine with a high safety level. This applies not only to those special internal design features which guarantee long component life and high availability but also to safety in the area around the engine. As a result, SOLAS regulations are strictly and consistently observed. Explosion protection cover for the cylinder/crankcase housing and cladding of the complete fuel and exhaust gas system in stainless steel are part of an overall SOLAS safety concept.

HFO/MDO - Long TBO and lifetime

Long maintenance intervals and the life of components are the basis for low operating costs.

Complete engine

The engine is marketed with a standardized range of installed pumps and filters. Inter faces for fuel, lubricating oil and cooling water systems are located at the opposite end to the crankshaft coupling for ease of connection.

Reliable energy supply

The complete diesel generating set is notable for its ease of installation, reliable operation, ease of maintenance and good component accessibility. The basis is formed by the rigid base frame as foundation of the engine and alternator with integrated oil sump, large oil volume and universal equipment for both HFO and MDO operation.

Complete propulsion systems

System responsibility and supply from a single source, Accurately matched interfaces, Coordinated delivery data control

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OVERVIEW

M 20 C Optional equipment

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