Diesel engine M92B

4-cylinderin-linedirect injection

Overview
The M92B Commercial is a marine diesel engine designed for pleasure craft and repower installations. With an excellent power-to-weight ratio it offers flexibility for new-build designs and repower projects. The engine delivers reliable performance, low fuel consumption and reduced noise through an advanced combustion system enabling precise multiple injections per cycle, lowering fuel use and emissions.

Features At A Glance

• Clean, quiet, smooth operation — up to 3 dBA improvement over its predecessor.
• Ease of installation — supports a wide range of operating angles for both conventional and V-drive installations.
• Ease of maintenance — accessible routine service points and 500-hour service intervals.
• Excellent power-to-weight ratio — compact package suitable for new builds and repower installations.
• Lower operating costs — low fuel consumption and tolerance for kerosene, jet aviation fuel and B20 biofuel.
• Reliability and durability — cupro-nickel heat exchanger, gear-driven components and reliable leak-free raw water pumps.

Key Specs
Minimum Power: 64 kW
Maximum Power: 64 kW
Bore: 105 mm

Standard Equipment

• Air intake filter
• Fresh water cooled exhaust manifold, intake manifold and heat exchanger
• Totally enclosed engine breather
• Alarm switches and warning siren
• Manual control adaption parts
• Fresh water heat exchanger cooled engine with gear driven self-priming raw water and fresh water pumps or keel cooling adaption
• High mounted single element fuel filter
• Base engine
• High inclination engine sump with sump drain pump
• Inverted element lube oil filter
• Transmission oil cooler

Technical specifications

• Minimum Power — 64 kW
• Maximum Power — 64 kW
• Maximum Torque — 308 Nm @ 1200 rpm
• Rated Speed — 2400 rpm
• Bore — 105 mm
• Stroke — 127 mm
• Displacement — 4.4 l
• Aspiration — Naturally aspirated
• Rotation from Flywheel End — Anti-clockwise
• Total Coolant Capacity — 19 l
• Number of Cylinders — 4 inline
• Combustion System — Direct injection
• Cooling System — Liquid
• Compression Ratio — 18.23:1
• Cycle — 4 stroke
• Total Lubricating Capacity — 7 l
• Width — 688 mm
• Dry Weight — 398 kg
• Length (Flywheel Housing) — 823 mm
• Wet Weight — 423 kg
• Height — 853 mm
• Note — Final dimensions dependent on selected options