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Roberts Motor PartsAntique Dodge Truck Parts Antique Plymouth Parts Antique Dodge Parts Dodge truck Plymouth tail light 1939 1940 1941 1942 1945 1946 1947 1948 1949 1950 1951 1952 1953
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Roberts Motor PartsAntique Dodge Truck Parts Antique Plymouth Parts Antique Dodge Parts Roberts Motor Parts 8 oz Fleece Navy Blue Large
![An important objective of the Roberts Motor Company design was light weight, which was achieved through the extensive use of aluminum and magnesium alloys in the cylinders and crankcase, a hollow crankshaft, An important objective of the Roberts Motor Company design was light weight, which was achieved through the extensive use of aluminum and magnesium alloys in the cylinders and crankcase, a hollow crankshaft,](https://l450v.alamy.com/450v/2ggbp0m/the-model-4x-engine-was-built-by-the-roberts-motor-company-of-sandusky-ohio-an-important-design-objective-was-light-weight-which-was-achieved-through-the-extensive-use-of-aluminum-and-magnesium-alloys-in-the-cylinders-and-crankcase-and-a-hollow-crankshaft-also-like-all-roberts-engines-it-operated-on-a-two-stroke-cycle-operation-to-reduce-parts-count-between-1911-and-1912-roberts-engines-were-used-by-many-noted-exhibition-pilots-and-more-roberts-engines-were-said-to-be-built-than-by-hall-scott-and-curtiss-combined-during-this-period-this-engine-artifact-was-manufactured-about-1911-and-2ggbp0m.jpg)