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YANMAR 4BY150 147.5HP

Brand
Yanmar
Model
4BY150
Type
Engine
Application
Commercial

Description

Product Specification Listing

YANMAR 4BY150 Marine Engine


General Information

  • Model: 4BY150
  • Manufacturer: YANMAR
  • Type: Marine Diesel Engine
  • Power Output: 147.5 HP (110 kW)
  • Emission Compliance: EPA Tier 3, RCD, BSO II

Engine Specifications

  • Engine Configuration: 4-cylinder, 4-stroke, vertical, inline
  • Displacement: 1.995 liters (1995 cc)
  • Bore x Stroke: 84 mm x 90 mm
  • Aspiration: Turbocharged with intercooler
  • Compression Ratio: 16.5:1
  • Fuel System: Common Rail Direct Injection (CRDI)
  • Cooling System: Freshwater cooling with heat exchanger
  • Lubrication System: Forced lubrication with gear pump

Performance

  • Maximum Output: 147.5 HP (110 kW) @ 4000 RPM
  • Max Torque: 310 Nm (228.6 ft-lb) @ 2000 RPM
  • Idling Speed: 850 RPM ± 20 RPM

Fuel Consumption

  • Fuel Type: Diesel
  • Fuel Consumption at Rated Power: 22.0 L/hr (5.81 GPH)

Dimensions and Weight

  • Overall Length: 784 mm (30.9 inches)
  • Overall Width: 685 mm (27.0 inches)
  • Overall Height: 717 mm (28.2 inches)
  • Dry Weight: 355 kg (782 lbs)

Additional Features

  • Governor: Electronic
  • Intake System: Single-stage turbocharger, air-to-air aftercooler (ACA)
  • Exhaust System: Water-cooled exhaust manifold and turbocharger
  • Electrical System: 12V, negative ground
    • Alternator: 12V-125A
    • Starter: 12V-3.0 kW

Installation

  • Mounting: Flexible engine mounts
  • Direction of Rotation (Crankshaft): Counterclockwise (viewed from flywheel end)

Maintenance and Support

  • Inspection and Service Intervals: Every 250 hours or annually
  • Warranty: Limited warranty (terms and conditions apply, please consult YANMAR for details)
  • Parts and Service: Available through an extensive global network of YANMAR authorized dealers

Applications

  • Suitable for sailboats, powerboats, and light commercial vessels needing a reliable and efficient powerplant within this horsepower range.

Note:

The specifications listed herein are for general information purposes. Always consult the user manual and YANMAR's official resources for detailed installation, operational guidelines, and servicing procedures.

Specifications

Power 147.5 HP (109.99 kW)

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