Perkins M92B 86 HP 4 Stroke Marine Diesel Engine Inboard

Perkins M92B 86 HP 4 Stroke Marine Diesel Engine Inboard

Perkins M92B 86 HP 4 Stroke Marine Diesel Engine Inboard

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.


4 cylinder

4.4 litre

64 kW at 2400 rpm

Peak torque 308 Nm at 1200 rpm

Based on 1104 range

Power Rating:

  • Minimum Power: 85.8 HP
  • Maximum Power: 85.8 HP
  • Maximum Torque: 227.2 lb-ft @ 1200 rpm
  • Rated Speed: 2400 rpm


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


  • Note 1: Final dimensions dependent on selected options

Engine Dimensions*:

  • Dry Weight: 877.4 lb
  • Height: 33.6 in
  • Length - Flywheel Housing: 32.4 in
  • Wet Weight: 932.6 lb
  • Width: 27.0 in

Clean, quiet, smooth operation

Improvements of up to 3 dBA 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


  • Base engine

Oil system:

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

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  • Brands Perkins
  • Product Code: M92B
  • Availability: In Stock
0 Product(s) Sold
  • $10,281.00
  • Ex Tax: $10,281.00


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