A 261 kW (350 hp) spark-ignited, turbo-charged and aftercooled Cummins “Big Cam” propane engine was developed and tested for class 8 truck application. Two propane engines were operated in line-haul service for a total of 33 months and almost 350 000 kilometres (217 480 miles). A diesel-powered tractor, in similar service, was monitored for comparison.Fuel economy, oil consumption, maintenance, drivers' comments, and engine refinements were fully documented. Propane fuel economy averaged 94 L/100 km (2.5 mpg), relative to 45 L/100 km (5.2 mpg) with the diesel. Overall reliability was good and driver acceptance excellent; however, further refinements, especially in the turbocharger, ignition, and cooling system, are required to compete with the modern diesel.
Development and Demonstration of a Class 8 Propane-Powered Truck
Sae Technical Papers
Future Transportation Technology Conference & Exposition ; 1990
1990-08-01
Aufsatz (Konferenz)
Englisch
Development and demonstration of a class 8 propane-powered truck
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