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Marine Power Systems

M92B

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Overview

With excellent power-to-weight ratios, our engines give boat designers and fitters all the flexibility they need when it comes to new boat design or re-power installations for pleasure craft.

They offer excellent reliability and fuel economy, while being clean, quiet and smooth in operation. Low noise, rapid starting and low emissions are achieved with advanced combustion systems that allow for precise, multiple injections within each combustion cycle, reducing fuel use and lowering emissions.

M92B MARINE PROPULSION ENGINE

4 cylinder

4.4 litre

64 kW at 2400 rpm

Peak torque 308 Nm at 1200 rpm

Based on 1104 range

Power Rating

Units:
Minimum Power 85.8 HP 64.0 kW Less
Maximum Power 85.8 HP 64.0 kW Less
Rated Speed 2400 rpm 2400 rpm Less
Maximum Torque 227.2 lb-ft @ 1200 rpm 308.0 Nm @ 1200 rpm Less

General

Bore 4.1 in 105.0 mm Less
Stroke 5.0 in 127.0 mm Less
Displacement 268.5 in³ 4.4 l Less
Aspiration Naturally aspirated Naturally aspirated Less
Rotation from Flywheel End Anti-clockwise Anti-clockwise Less
Total Lubricating Capacity 1.8 gal (US) 7.0 l Less
Cooling System Liquid Liquid Less
Compression Ratio 18.23:1 18.23:1 Less
Total Coolant Capacity 5.0 gal (US) 19.0 l Less
Number of Cylinders 4 inline 4 inline Less
Combustion System Direct injection Direct injection Less
Cycle 4 stroke 4 stroke Less

Engine Dimensions*

Width 27.0 in 688.0 mm Less
Dry Weight 877.4 lb 398.0 kg Less
Length - Flywheel Housing 32.4 in 823.0 mm Less
Wet Weight 932.6 lb 423.0 kg Less
Height 33.6 in 853.0 mm Less

Disclaimer

Note 1 Final dimensions dependent on selected options Final dimensions dependent on selected options Less

Clean, quiet, smooth operation

Improvements of up to 3dBA have also been made with noise over its predecessor. This has been achieved through product developments.

Ease of installation

Engines designed to permit a wide range of operating angles in both conventional and vee-drive installations.

Ease of maintenance

Easy access to all routine service points and service intervals of 500 hours ensures our engines are in use for longer.

Excellent power-to-weight ratio

Engines that are the most compact packages in their class, offering boat design flexibility both for new builds and for repower installations.

Lower operating costs

Engines with exceptionally low fuel consumption. And engines designed to be fuel tolerant, including kerosene, jet aviation fuel and B20 biofuel (RME).

Reliability and durability

High-capacity heat exchanger with cupro-nickel tubestack ensures low operating temperatures for reliability and durability. Gear-driven engines and raw water pumps give reliable cooling and leak-free operation

M92B Standard Equipment

Air inlet system
  • Air intake filter
  • Fresh water cooled exhaust manifold, intake manifold and heat exchanger
  • Totally enclosed engine breather

Control system
  • Alarm switches and warning siren
  • Manual control adaption parts

Cooling system
  • Fresh water heat exchanger cooled engine with gear driven self priming raw water and fresh water pumps or keel cooling adaption

Fuel system
  • High mounted single element fuel filter

General
  • Base engine

Oil system
  • High inclination engine sump with sump drain pump
  • Inverted element lube oil filter
  • Transmission oil cooler