Description:Knob used to engage and disengage the parking and secondary brake valve.Attributes:• Type: Push-Pull• Nomenclature: Pull for Parking or Secondary Brakes• Color: Red• Diameter: 38.1 mm (1.5 in)• Height: 29.7 mm (1.17 in)• Mounting Hole Diameter: 9.8 mm (0.385 in)• Mounts with spring pinApplication:Consult your owner's manual or contact your local Cat Dealer for more information.