Technical Specifications:
The document provides detailed specifications for the Volvo Penta D3 series engines, including models D3-140, D3-170, D3-200, and D3-220. Each engine has a displacement of 2.4 liters and features a 5-cylinder configuration with a bore/stroke of 81/93.2 mm. The engines operate at a maximum speed of 4000 rpm and have a compression ratio of 16.5:1. Crankshaft power ranges from 103 kW (140 hp) to 162 kW (220 hp), with corresponding propeller shaft power slightly lower.

Fuel and Emissions:
The engines comply with IMO NOx (for D3-200 & D3-220), EU RCD Stage II, and US EPA Tier 3 emission standards. Fuel consumption and power output are influenced by fuel quality, with specifications based on a fuel having an LHV of 42700 kJ/kg and a density of 840 g/liter.

Engine Design and Features:
The engines feature an aluminum cylinder block and head, integrated bed plate, and 4-valve technology with hydraulic lash adjusters. They include a common rail fuel injection system with piezo-electric injectors, a turbocharger with variable geometry, and a thermostatically regulated freshwater cooling system.

Drive and Control Systems:
The Volvo Penta Aquamatic drive system includes a cone clutch, pattern-matched spiral bevel gears, and a built-in kick-up function for protection against underwater impacts. The drive can tilt up to 52° and turn 28° in each direction. An optional electronic steering system is available for twin installations.

Additional Features:
The engines are equipped with a 12V electrical system, a 180A alternator, and an integrated temperature-compensated charging regulator. They also feature electronic shift and throttle controls, and a full range of instrumentation is available.

Installation and Maintenance:
The document advises contacting a Volvo Penta dealer for installation guidance and additional information on optional equipment and accessories. It notes that not all models and accessories are available in all countries and specifications are subject to change without notice.