Locking pin 9975501 is used on selected Hiab equipment to secure components in position during operation. It forms part of a locking or retention mechanism within the crane assembly. If a locking pin becomes bent, worn or difficult to engage, it should be replaced with the correct Hiab part number to ensure safe and secure operation. Compatibility Part number 9975501 is fitted to selected Hiab machines. Suitability depends on the crane model and serial number. If you are unsure whether this locking pin is correct for your equipment, contact us with the serial number and we will confirm compatibility before you order. Only commonly used parts are listed on our website. We can supply any Hiab parts UK customers require, including model specific mechanical components identified by part number. If you cannot find the part you need, contact us with the serial number of your crane and details of the part required and we will help identify the correct item. Call: 01937 349222Email: [email protected]