Document mB3GV2V19VqOL5Ojw60exmaJZ

Mr. ^ R. Nall - Allentown V. <A Attention: Mr. D. S. Pena i *; February 1# 1961 Dear Daves / After discussing the contents of your letter of 1-16-61 with Mosers. May and Sadi ad per our phono ooavsrsstlnn of lest week, enclosed find the fallowing lsyouts showing Meek dutch In stallations for various engines end chassis os Indicated. 12HBL4133 - B68 Cassis ffl5*0 ttlxis Mack 15" GLSB dutch TR67 Transmission #2 Flywheel Bousing Note that the layout refers to our ES464 engine hut it Is Identical to that used on the B8540. 12HEL4170 - B6I Chassis -------------- KSD673 Bslne Mack 15^003 dutch TB72 Transmission t9B> This is the meet popular combination which is the high volume Job. 12HBL4198 - B422 Chassis XRt38 Hack 14" CLtOl Clutch Attached also Is a chart covering pertinent engine output data as related to clutch capacities for each of the above Installa tions. Cornparlanas of the dutch capacities with your 2-plate 12r and 2-plate 12" unite are Included fbr your reedy reference. Mininun excess capacity is calculated on the basis of full facing wear and co-efficient of friction of .25* BUS-0055 DANA-059.20