Master Cylinders | 18.4 | Allis Chalmerc Master Brake Cylinders Diameter: 38.1 mm, inch: 1 1/2Brands: Hyster, FIAT, Caterpillar, Allis Chalmerc Rif. 18.4 Diameter 38.1 Applications Allis ChalmercCaterpillarFIATHyster Request information for this product Related product Master Cylinders | 839 Ref. 839 Diameter 44.4 Applications Fiat 642 Master Cylinders | 999 Ref. 999 Diameter 44.4 Applications Only Revision... Master Cylinders | 998 Ref. 998 Diameter 50.8 Applications Industrial Applications