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The GMC Astro (also known as the Chevrolet Titan) is a heavy-duty cabover truck that was manufactured by the GMC Truck and Coach Division of General Motors from the 1969 to 1987 model years. Succeeding the F/D-series "Crackerbox" cabovers, the Astro was marketed by Chevrolet as the Titan, serving as the largest cabover truck ever produced by ...
Diesel: Cooling system: Water-cooled: Output; ... The Nissan FD engine is used primarily for Nissan Truck and Bus commercial ... Nissan Atlas (H40) 1983-1986 Nissan ...
The Titan lineup was discontinued in Canada after the 2021 model year, citing low sales figures as the cause. [22] In August 2023, Nissan confirmed that the Titan will be discontinued after the 2024 model year due to poor sales compared to the mid-size Frontier. They will be exiting the full-size truck segment to focus on building EV sedans. [23]
Low speed diesel engines like the MAN S80ME-C7 have achieved an overall energy conversion efficiency of 54.4%, which is the highest conversion of fuel into power by any single-cycle internal or external combustion engine. [9] [10] [11] Engines in large diesel trucks, buses, and newer diesel cars can achieve peak efficiencies around 45%. [12]
The Nissan TD series is a series of diesel engines manufactured by Nissan. All TD-series engines are inline engines ; most versions are four-cylinders aside from the six-cylinder TD42. They have cast iron blocks and crossflow heads ; the combustion chamber design is a swirl-chamber design with indirect injection and a gear driven cam. [ 1 ]
Bill Lear also started work on a closed circuit steam turbine to power cars and buses, and built a transit bus and converted a Chevrolet Monte Carlo sedan to use this turbine system. It used a proprietary working fluid dubbed Learium, possibly a chlorofluorocarbon similar to DuPont Freon. [47] [dubious – discuss]
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The regenerative Rankine cycle is so named because after emerging from the condenser (possibly as a subcooled liquid) the working fluid is heated by steam tapped from the hot portion of the cycle. On the diagram shown, the fluid at 2 is mixed with the fluid at 4 (both at the same pressure) to end up with the saturated liquid at 7.