Product Description Made to fit Komatsu Models: PC78MR-6,PC78US-10,PC78US-6,PC78US-8,PC78UU-6,PC78UU-8,PC88MR-10,PC88MR-10,PC88MR-8,PC88MR-8,PC88MR-8,PW98MR-10,PW98MR-8 Measurements: 75 mm Outer Diameter, 60 mm Inner Diameter, 42 mm Length