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M 32 E Marine Propulsion Engine

Caterpillar Motoren designed the M 32 E based on the reliable M 32 C engine series. The M 32 E will share the same footprint as the successful M 32 C. The M 32 E is the first MaK 5 MW engine in the 320 mm bore segment. The new design still supports operation at any ambient condition without load reduction.

Power Rating

Power Range 3300 - 4950 kW

Engine Specifications

Speed Range 720-750 rpm
Emissions IMO II / IMO III with SCR
Aspiration Turbocharged
Bore 12.6in
Stroke 18.9in
Rotation from Flywheel End Counterclockwise/Clockwise
Configuration 6,8,9 Cylinder
Swept Volume 2257.88in³

Dimensions & Weights

Minimum Dry Weight 82673.4lb
Minimum Length 238.4in
Maximum Length 309.1in
Minimum Height 152in
Maximum Height 173.5in
Minimum Width 86.4in
Maximum Width 86.4in

Standard Equipment

  • Air Inlet System
    • Air intake silencer/filter
  • Control System
    • Load sharing unit (for multiple engine plant only)
    • Modular Alarm Control and Protection System (MACS)
    • Serial link interface (MODbus / canbus)
    • Speed governor
  • Cooling System
    • 2-stage charge air cooler
    • Electronic cooling water preheater
    • HT cooling water pump (engine driven)
  • Exhaust System
    • Exhaust gas expansion joint
    • Exhaust gas insulated manifolds
    • Turbocharger at flywheel end
  • Fuel System
    • Fuel circulating pump (attached / for MDO/MGO only)
    • Fuel indicator filter
    • Fuel pressure valve (attached / for MDO/MGO only)
  • Instrumentation
    • 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)

Optional Equipment

  • Air Inlet System
    • Air inlet shut-off valve
    • Air inlet transition piece
    • Expansion joint
    • Silencer/filter
  • Control System
    • Air injection control (for better load acceptance)
    • Electronic speed governor cabinet
    • Engine alarm system
    • Remote control system
    • Remote indicators (start air pressure, engine speed, etc.)
    • Starter for electric 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 spart arrester)
    • Turbocharger at counter-flywheel side
  • Fuel System
    • Fuel oil cooler
    • HFO final preheater
    • HFO pressure regulating valve
    • HFO self-cleaning automatic filter
    • HFO supply and booster pumps (electrical driven)
    • HFO treatment and supply modules
    • 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 pump (electrical driven)
    • Temperature control valve
    • Wet sump with dip stick
  • Mounting System
    • Flexible pipe connections
    • Resilient mounting
  • Starting System
    • Starting air compressor
    • Starting air receiver
  • General
    • Cat Propulsion Systems
    • Engine PTO coupling
    • Part load optimization kit for constant speed engine (SFOC improvement, smoke reduction)
    • Part load optimization kit for variable speed engine (massive SFOC improvement,…)
    • PTO alternator
    • PTO shaft on counter-flywheel side
    • Reduction gear
    • Reduction gear PTO coupling