LOMBARDINI LDW 1904 SD (SAIL DRIVE) - 50 HP

Product Specification Listing for LOMBARDINI LDW 1904 SD (SAIL DRIVE) - 50 HP Marine Engine

General Information

• Manufacturer: Lombardini
• Model: LDW 1904 SD (Sail Drive)
• Type: Marine Diesel Engine
• Horsepower: 50 HP
• Configuration: Sail Drive

Engine Specifications

• Engine Type: 4-stroke, vertical, inline
• Cylinders: 4
• Displacement: 1.9 liters (1904 cc)
• Bore and Stroke: 88 mm x 90 mm
• Compression Ratio: 22:1
• Maximum Power Output: 50 HP (36.8 kW) at 3200 RPM
• Aspiration: Naturally aspirated
• Fuel System: Direct injection
• Fuel Type: Diesel
• Cooling System: Freshwater cooling with heat exchanger
• Lubrication System: Forced lubrication with oil filter
• Governor: Mechanical

Dimensions and Weight

• Length: 722 mm (28.4 inches)
• Width: 554 mm (21.8 inches)
• Height: 724 mm (28.5 inches)
• Dry Weight: Approximately 265 kg (584 lbs)

Performance

• Rated RPM: 3200 RPM
• Idle RPM: 850-950 RPM
• Fuel Consumption at Maximum Power: Approx. 11.8 liters/hour
• Torque: 151 Nm (111.4 ft-lb) at 2000 RPM

Sail Drive Unit

• Type: Sail drive
• Gear Ratio: 2.3:1
• Propeller: Compatible with various size and pitch propellers
• Propeller RPM at Max Engine RPM: Approx. 1391 RPM
• Material: Marine-grade aluminum and stainless steel components

Electrical System

• Alternator Output: 12V, 70 Amps
• Starting System: Electric start
• Battery Requirement: 12V, min. 100 Ah

Environmental Compliance

• Emission Standards: EPA Tier 3 and EU RCD 2 compliant
• Noise Level: BS EN ISO 14509 compliant

Features and Options

• Instrumentation Panel: Standard control panel with key start, tachometer, hour meter, oil pressure gauge, water temperature gauge, and alarm indicators
• Mountings: Engine mounts included
• Exhaust System: Wet exhaust elbow
• Warranty: Typically 2 years or 1000 operational hours (whichever comes first)

Applications

• Suitable for: Sailboats, small yachts, and other marine vessels requiring reliable and efficient propulsion with a sail drive unit

Additional Information

• Maintenance Schedule: Detailed in the owner's manual for routine checks and servicing
• Service Support: Wide network of authorized service centers and readily available spare parts

For more information or to place an order, please contact your local Lombardini distributor or visit the official Lombardini Marine website.

Note: Specifications and features are subject to change without notice. Always refer to the official Lombardini documentation for the most up-to-date and accurate information.