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Overview

Driven by upcoming fuel sulfur and NOx regulations in Emission Control Areas (ECA), the M 34 DF provides full flexibility for vessels operating in regulated and/or lesser regulated areas without major changes to the engine room or the exhaust gas system supporting installation and certification simplicity. The M 34 DF will be capable of running on Liquid Natural Gas (LNG) as an alternative to expensive low sulfur Marine Diesel Oil (MDO) or large and complex scrubber installations for ECA operation as of 2015. High efficiency and proven reliability make the M 34 DF an excellent propulsion engine for operation in- and outside of environmental protected areas as well as waters with HFO limitations.

Power Rating

Units:
Power Range 3060-4770 bkW 3060-4770 bkW Less

Engine Specifications

Speed Range 720 / 750 rpm 720 / 750 rpm Less
Emissions IMO II IMO II Less
Aspiration Turbocharged Turbocharged Less
Bore 13.4 in 340.0 mm Less
Stroke 18.11 in 460.0 mm Less
Rotation (from flywheel end) Counterclockwise / Clockwise Counterclockwise / Clockwise Less
Configuration 6,8,9 Cylinder 6,8,9 Cylinder Less
Swept Volume 2563.0 in3 42.0 l/cyl. Less

Dimensions & Weights

Minimum Dry Weight 87082.6 lbs 39.5 t Less
Minimum Length 240.5 in 6109.0 mm Less
Maximum Length 284.8 in 7234.0 mm Less
Minimum Height 152.3 in 3869.0 mm Less
Maximum Height 165.7 in 4209.0 mm Less
Minimum Width 90.2 in 2291.0 mm Less
Maximum Width 90.2 in 2291.0 mm Less

Option to avoid expensive low sulfur MDO for ECA operation

Alternative to scrubber installation

Minimal impact on engine and exhaust systems dimensions

Low operational costs

Reduced particle emissions

Built-in fuel redundancy

M 34 DF Standard Equipment

Air Inlet System
  • Air intake silencer / filter

Control System
  • Load sharing unit
  • Modular Alarm Control Protection System (MACS)
  • Speed governor

Cooling System
  • Electric cooling water preheater
  • HT cooling water pump (engine driven)
  • 2-stage charge air cooler

Exhaust System
  • Exhaust gas expansion joint
  • Exhaust gas insulated manifolds
  • Turbocharger at flywheel / counter-flywheel end

Fuel System
  • Fuel circulating pump (electric driven / for MDO/MGO only)
  • Fuel indicator filter
  • Fuel pressure valve (separate / for MDO/MGO only)

Gas System
  • Gas valve unit

Instrumentation
  • Control push buttons and lamps
  • Emergency stop lever
  • Local control panel
  • Pressure and temperature indicator

Lube System
  • Dry sump
  • Lube oil plate cooler (separate)
  • Lube oil pump (engine driven)
  • Lube oil safety filter
  • Lube oil self-cleaning filter
  • Pressure regulating valve

Mounting System
  • High flexible coupling
  • Rigid mounting

Starting System
  • Electrical barring device
  • Starting air valve

General
  • Lifting device (rental)
  • Torsional Vibration Calculation (TVC)

M 34 DF Optional Equipment

Air Inlet System
  • Air inlet shut-off valve
  • Air intake transition piece
  • Expansion joint
  • Silencer / filter

Control System
  • Engine alarm system
  • Remote control system
  • Remote indicators (start air pressure, engine speed, etc.)
  • Starter for electric driven pumps
  • 24 DC UPS

Cooling System
  • Cooling water preheater steam / thermal oil / electrical
  • FW/SW plate cooler
  • HT cooling water pump (electric driven)
  • LT cooling water pump (electric driven)
  • Sea water cooling pump (electric driven)
  • Temperature control valve

Exhaust System
  • Exhaust gas ventilation module
  • Silencer (with or without spark arrester)

Fuel System
  • Fuel oil cooler
  • HFO final preheater
  • HFO self-cleaning automatic filter
  • HFO pressure regulating valve
  • HFO supply and booster pumps (electrical driven)
  • HFO treatment and supply modules
  • HFO viscosity control device
  • Mixing tank

Gas System
  • Gas flowmeter
  • LNG vaporizing unit

Lube System
  • Lube oil centrifuge
  • Lube oil pump (electrical driven)
  • Lube oil treatment and combined modules
  • Pre-lubricating oil pump (electrical driven)
  • Temperature control valve
  • Wet sump with dip stick

Mounting System
  • Flexible pipe connections
  • Resilient mounting

Propulsion System
  • Control system
  • Thrusters

Starting System
  • Starting air compressor
  • Starting air receiver

General
  • Engine PTO coupling
  • PTO alternator
  • PTO shaft on counter flywheel side
  • Reduction gear
  • Reduction gear PTO coupling

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