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据美国《汽车工业》杂志1971年3月15日第144卷第6期报导,美国通用汽车公司底特律柴油机部现生产的53和71系列二行程柴油机共39种,其中专用或兼用于汽车的是:53系列共8种,其中有基本型5种,用于公路与非公路车辆和自卸载重车;71系列共15种,其中有基本型8种,用于公路与非公路车辆、大客车和自卸车。发动机的最大功率已比原来分别提高了3—11马力。现在“通用”苏格兰分公司的17、22、35、45和65吨矿用自卸车,海——麦克公司的50、65和75吨矿用自卸车和万国的45和50吨矿用自卸车所用的都是“通用”底特律的71系列柴油机。意大利“伯尔利尼”T20型20吨矿用自卸车也采用美国“通用”的二行程柴油机。另据美国SAE680422号论文《二行程柴油机的修正设计对于排气的影响》介绍,为改进排气,在设计上作了若干修改。文中以6V—81E与6V—71发动机作比较,后者的燃烧系组件同直列6—71发动机“E”和“N”型的一样。本文是根据有关单位推荐翻译的,虽然原文发表的时间较早,但在介绍二行程柴油机方面是一篇比较完整的资料。文中所提的两种柴油机系列,即上述53和71系列目前仍在生产中。
According to the American magazine “Automotive Industry”, Vol. 144, No. 6, March 15, 1971, there are 39 types of 53 and 71 series two-stroke diesel engines produced by the Detroit Diesel Department of General Motors Corporation in the United States, of which 39 : There are 8 kinds of 53 series, of which there are 5 basic types for road and off-highway vehicles and dump truck; 71 series of 15 species, of which there are 8 basic types for road and off-highway vehicles, buses And dump truck. The maximum engine power has been increased by 3-11 horsepower than the original. 17, 22, 35, 45 and 65 tons of mining dump trucks for GM’s Scottish subsidiary, 50, 65 and 75 tons of mining dumper trucks from Sea-Mackage and 45 and 50 tons of mining dumper trucks All of the “universal” Detroit 71 series diesel engines are used. Italy “Berleini” T20 20 tons mining dump truck also uses the United States “General” two-stroke diesel engine. According to the United States SAE680422 paper “two-stroke modified diesel engine design for the impact of exhaust” introduction, to improve the exhaust, made a number of design changes. The article compares the 6V-81E with the 6V-71 engine, which has the same combustion system as the 6-71 engine with “E” and “N” versions. This article is based on the unit recommended translation, although the original published earlier, but in the introduction of two-stroke diesel engine is a more complete information. Two types of diesel engine mentioned in the article, namely the above 53 and 71 series are still in production.