Excavator base chains sold at clearance! We are clearing our warehouse and selling a batch of base chains at clearance prices. The chains have some surface rust. These are 49-link base chains with 36.5 mm pin diameter, bolt spacing 155.60mm / 119.60mm, bolt thickness 20.5mm. Suitable for machines such as Caterpillar, Kobelco, Case, New Holland, JCB. Possible freight costs added to the price.