Volvo Penta D6-435 – Marine Diesel Engine 435 HP

With a verified 5.5-liter inline 6-cylinder engine block and supercharged turbocharging, the Volvo Penta D6-435 delivers commercial-grade diesel power. Producing 435 horsepower at 3500 RPM, this motor drives fast planing cruisers, charter boats, and sportfishers. The combination of a mechanical supercharger for instant low-end boost and a turbocharger for top-end power eliminates lag when getting heavy hulls onto plane.

Closed freshwater cooling keeps saltwater away from internal engine passages, maintaining peak thermal efficiency. Built with an SAE 3 flywheel housing, the engine features a 115-amp alternator, Electronic Vessel Control network monitoring, and a dry weight of 594 kg.

Engine Performance and Engineering

Supercharged air induction and inline 6-cylinder balance make this Volvo Penta inboard engine a responsive power plant. The 20-liter oil sump ensures continuous lubrication under high-speed operation, while EVC digital controls provide precise helm management.

Why Choose the Volvo Penta D6-435 Inboard Marine Engine

Captains choose the D6-435 marine engine for its massive 5.5-liter 6-cylinder block and 435 horsepower output. The unique supercharger and turbocharger combination provides immediate hole-shot power without diesel lag. Closed freshwater cooling, common-rail injection, and SAE 3 gear compatibility make it an outstanding repower choice for large sportfishers.

Warranty and Support

Volvo Penta backs this engine with a 2-Year Factory Limited Warranty covering major internal mechanical assemblies. provides product-information support before purchase and assistance with order-related questions. A pre-shipment visual inspection confirms the engine crate and documented included rigging items. Review warranty eligibility and current coverage details on before placing your order.

Before Ordering the Volvo Penta D6-435 Inboard Marine Engine

Measure your engine room length and hatch access dimensions for a 5.5-liter inline 6-cylinder block. Confirm your marine transmission gear ratio, propeller shaft size, and fuel supply line diameter before placing your order.