Alpha Marine Engines

Power Outputs

Injection
D=direct, I=indirect
D I D I D I
Model Power r/min 1500 1800 2000
20 Continuous kW 6.8 7.4 8.5 9.1 9.6 10.1
bhp 9.1 9.9 11.4 12.2 12.9 13.5
Fuel Stop  kW 7.5 8.1 9.4 10 10.6 11.1
bhp 10 10.9 12.6 13.4 14.2 14.9
30 Continuous kW 10.3 11.1 12.8 13.6 14.5 15.2
bhp 13.8 14.9 17.2 18.2 19.4 20.4
Fuel Stop  kW 11.3 12.2 14.1 15 15.9 16.7
bhp 15.1 16.4 18.9 20.1 21.3 22.3
40 Continuous kW 13.6 14.7 17 18.2 19.3 20.2
bhp 18.2 19.7 22.7 24.4 25.9 27
Fuel Stop  kW 15 16.2 18.7 20 21.2 22.2
bhp 20.1 21.7 25.1 26.8 28.4 30
55
Turbo
Continuous kW 20.7   26.4   28.7  
bhp 27.7 35.3 38.5
Fuel Stop  kW 22.3 28.5 31
bhp 29.9 38.2 41.5

 

Injection
D=direct, I=indirect
D I D I
Model Power r/min 2500 3000
20 Continuous kW 11.8 12.2 13.4 13.4
bhp 15.8 16.3 18 18
Fuel Stop  kW 13 13.4 14.7 14.7
bhp 17.4 18 19.7 19.7
30 Continuous kW 17.7 18.3 20.1 20.1
bhp 23.7 24.5 27 26.9
Fuel Stop  kW 19.5 20.1 22.1 22.1
bhp 26.1 26.9 29.6 29.6
40 Continuous kW 23.6 24.4 26.8 26.8
bhp 31.6 32.7 35.9 35.9
Fuel Stop  kW 26 26.8 29.5 29.5
bhp 34.8 35.9 39.5 39.5
55
Turbo
Continuous kW 34.3   37.5  
bhp 46   50.2  
Fuel Stop  kW 36.7   40.2  
bhp 49.1   53.9  

Notes:

1. Power ratings measured at the flywheel and fuel consumptions, apply to a fully run-in, non derated engine without a radiator and fan fitted and other power absorbing accessories or transmission equipment
2. The overload (intermittent) capability applies to a fully run-in engine.  This is normally attained after a running period of about 50 hours.

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Alpha Marine Engines

Alpha Marine Engines

Variable speed; maximum power at flywheel at 3000 r/min: 14.9 - 41.0 kW; 20 - 55 bhp
Durable, economical liquid cooled marine diesel engines


Suitable for:

• small offshore boats and work boats
• pleasure boats and hire fleets
• propulsion or auxiliary applications


Basic Engine Characteristics

• 2, 3 or 4 cylinders
• raw water heat-exchanger cooling
• direct or indirect injection
• naturally aspirated or turbocharged
• durable, economical and reliable
• low fuel consumption
• long service periods


Design Features and Equipment

• heat exchanger
• water cooled exhaust manifold
• raw water pump
• fuel filter/agglomerator
• self-bleed fuel system with fuel lift pump
• individual fuel injection pump for each cylinder
• high level oil filler and dipstick
• raw water cooling system pump
• operators' handbook


Optional Items

A range of opt ions enables your engine to be built to your exact needs:
• 12 volt starter motor (insulated earth return)
• 55 amp alternator
• range of gearboxes
• choice of air cleaners
• high level bearers
• start panels
• drive adaptors
• high output alternator
• wiring loom
• protection systems
• anti-vibration mountings
• sump lubricating oil drain pump
• paint colour