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This engine is suitable for boats with displacement of 24-26 tons with a water line legth (LWL) of 51-53 feet.

Horse Power




Cubic Capacity




99 @ 2600 rpm




3769cc /230 ci

425kg / 937 lbs

PRM 260

65 Amp

Technical Specifications

Beta 105

Beta 105

The Beta 105 is a 4 cylinder, turbo charged, diesel propulsion engine developing 99 bhp at 2.600 rpm with a swept volume of 3769 cc.

Standard Options

Upgrade Options

The Beta 105 Diesel Propulsion Engine

22" Mount Centers (560mm)

65 Amp alternator

C Instrument Panel

Flexible coupling

Flexible mounts

Heat exchanger cooling

High Inertia Flywheel

Intake silencer / Air filter

Oil change pump (fitted)

Shaft Coupling

Standard exhaust injection elbow

Stop solenoid

PRM 260 transmission

Transmission Options

Standard – PRM 260

Bobtail - No gearbox but with drive plate or                    Velvet Drive adapter kit

PRM 500 Hydraulic 1.96:1/2.94:1  

Hydraulic Soft Ship Block for PRM 

ZF 25A Hydraulic 1.97:1 / 2.80:1

ZF25A 8 Degree down angle 1.90:1 / 2.29:1 / 2.7:1


ZF63IV 12 degree

TM 345 series with trolling options

TM 93 Hydraulic 2.09:1 / 2.4:1 / 2.77:1 also with down agle options


Alternator (standard) w/ Serpentine Belt System

100 Amp Alternator with Serpentine belt

175 amp Alternator w/ Serpentine Belt Drive System

High Rise Exhaust Elbow for 2″ hose – 200mm rise

Panel – Type CW Waterproof

More Options

Adverc Controller

2nd 175 Amp 12v alternator, engine mounted

120 Amp Balmar Alternator

Flybridge Panel

Hot water Fittings

Insulated Ground Electrical w/ 100/70 amp Alt

Keel cooling

Long term storage (test run on Ensis oil and Calibration fluid)

Mount and pulley for Sea Frost compressor

Panel Extension harness with starter relay

Panel Recess with clear lid for C panel dimensions

PTO Pulley (twin A sections)

Remote Oil Filter


Fast Price Quote

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Downloads & Support

Operator's Manual

Data Sheet

Schematics with PRM 260

Schematics with ZF45

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