Engines for the Allis-Chalmers Models 7030 and 7050 Agricultural Tractors 730846

This paper describes the new 3000 Series MK II engines and their application in the Allis-Chalmers 7030 and 7050 farm tractors. This includes performance, reliability, noise reduction, and economy of operation to meet the environmental and performance specifications established for these farm tractors. Improvements were made to the cylinder block, cylinder sleeve, piston and ring, crankshaft and flywheel, water and oil pumps, cylinder head, exhaust manifold, lube oil cooler and filters, and intercooler and turbocharger (depending on the engine model). Endurance tests at full speed over fueling, load cycle testing, and field testing were conducted.


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