Ford Lehman 2728T Marine Propulsion Engine The Ford Lehman 2728T is a robust inboard diesel engine engineered for reliable boat propulsion in demanding marine environments. As a six-cylinder powerhouse, it delivers consistent torque and smooth operation, making it a staple for vessels requiring dependable performance over extended voyages. Key technical specifications underscore its engineering prowess: with a displacement of 5,950 cm³ (5.95 liters), a bore of 105 mm, and a stroke of 115 mm, the engine achieves a high compression ratio of 14.7:1. This optimizes thermal efficiency and combustion, enabling a rated output of 275 horsepower at 2,600 RPM. Designed as an inline or V-configuration diesel unit, it operates on conventional marine diesel fuel, ensuring compatibility with standard inboard drive systems without the need for complex reductions in many installations. In marine applications, the 2728T excels through its inherent durability, withstanding saltwater corrosion, constant loads, and vibrational stresses common to offshore operations. The high compression ratio enhances fuel economy, reducing operational costs on long-haul journeys while minimizing emissions—a critical factor for eco-conscious vessel owners. Safety is paramount, as the spark-plug-free diesel design lowers fire risks in confined, humid bilge spaces, and its straightforward architecture simplifies routine maintenance, from oil changes to filter replacements. Performance-wise, the six-cylinder layout provides torque-rich low-end power for superior maneuverability during docking or towing, paired with balanced vibration damping for comfortable cruising at displacement speeds. This efficiency shines in fuel-thrifty scenarios, where low-RPM grunt supports steady propulsion without excessive revving. Ideal for medium-to-large recreational or commercial vessels, the Ford Lehman 2728T suits luxury yachts, rugged fishing trawlers, and small ferries prioritizing reliability and economy over high-speed sprints. Its proven design embodies the precision of marine engineering, offering unwavering performance that navigators can trust in any waterway. (Word count: 278)