US Army, Technical Manual, TM 5-3431-207-20P, WELDING MACHINE, ARC; GENERATOR, ELECTRIC MOTOR DRIVEN; AC, 220 PHASE, 60 HZ, SINGLE OPERATOR, REMOTE CONTROL; 300 AMP, DC, ARC MTD, 4 WHEELS, STEEL TIRES; 60 AMP AT 20 V MIN, 375 AMP AT 40 V CURRENT (LIBBY MODEL LA300) (FSN 3431-081-8059)