2955301A S/N 211798->305030553350401D40304040 w/ Adjustable Front Axle40504055 Early S/N4230 w/ Adjustable Front Axle4240 w/ Adjustable Front Axle42504255 Early S/N4430 w/ Adjustable Front Axle4440 w/ Adjustable Front Axle44504455 Early S/N6010 North American Models602061006110 North American Models6110L North American Models, Standard Front Axle6120 North American Models6120L North American Models, Standard Front Axle61306200 North American Models, Standard Front Axle6200L North American Models, Standard Front Axle62056210 North American Models6210L North American Models, Standard Front Axle6215 North American Models6220 North American Models6220L North American Models, Standard Front Axle62256230 North American Models, Standard Front Axle6300 North American Models, Standard Front Axle6300L North American Models, Standard Front Axle6310 North American Models6310L North American Models, Standard Front Axle6310S North American Models, Standard Front Axle63206320L North American Models, Standard Front Axle63256330 North American Models, Standard Front Axle6400 North American Models, Standard Front Axle6400L North American Models, Standard Front Axle6405 North American Models6410 North American Models6410L North American Models, Standard Front Axle6410S North American Models, Standard Front Axle6415 North American Models64206420L North American Models, Standard Front Axle64256430 North American Models, Standard Front Axle6500 North American Models, Standard Front Axle6500L North American Models, Standard Front Axle650565106510S North American Models, Standard Front Axle651565206520L North American Models, Standard Front Axle65256530653466036605 North American Models661066156620663067157130723074057500