Maquinaria de construcción: Traílla automotor - Caterpillar

Modelo	Eje de ruedas
657G	9956 mm - 32.7 pies.
657E	9920 mm - 32.5 pies.
651E	9920 mm - 32.5 pies.
651B	9729.2 mm - 31.9 pies.
641B	9448.8 mm - 31 pies.
637G	8769 mm - 28.8 pies.
637E Serie II	8770 mm - 28.8 pies.
637E	8770 mm - 28.8 pies.
637D	8740 mm - 28.7 pies.
637B	8778.2 mm - 28.8 pies.
633E Serie II	9020 mm - 29.6 pies.
633D	8890 mm - 29.2 pies.
631G	8769 mm - 28.8 pies.
631E Serie II	8770 mm - 28.8 pies.
631E	8770 mm - 28.8 pies.
631D	8778.2 mm - 28.8 pies.
627G	7722 mm - 25.3 pies.
627E	7684 mm - 25.2 pies.
627B	7720.6 mm - 25.3 pies.
623G	7976 mm - 26.2 pies.
623F	7980 mm - 26.2 pies.
623B	7975 mm - 26.2 pies.
621S	7650 mm - 25.1 pies.
621G	7722 mm - 25.4 pies.
621F	7720 mm - 25.3 pies.
621E	7720 mm - 25.3 pies.
621B	7720 mm - 25.3 pies.
615C Serie II	6979 mm - 22.9 pies.
613C Serie II	6260 mm - 20.5 pies.
613B	6350 mm - 20.8 pies.
611	7060 mm - 23.2 pies.