This is an aftermarket replacement for manifold type flat face coupler with 46mm (about 1 13/16 inch) thread diameter (see images for measurement example). Fits many models of Bobcat, Kubota, Takeuchi, Case and other brands of skid steers, excavators and other machines equipped with a 4BD4FI* manifold Note: We have two different thread sizes available for Bobcat manifold type couplers. To determine which size/style you will need, measure the outside diameter of the thread, or take a close look at the style of o-rings in the images and compare to your original part. Application: Fits the following Bobcat Machines: Bobcat Skid Steer Loaders: 753, 763, 773, 863, 864, 883 A220, A300, A770 S130, S150, S160, S175, S185, S190, S205, S220, S250, S300, S330, S450, S510, S530, S550, S570, S590, S630, S650, S750, S770, S850 T140, T180, T190, T200, T250, T300, T320, T450, T550, T590, T595, T630, T650, T750, T770, T870 Excavators: 325, 328 Telescopic Handlers: TL35.70, TL360, TL38.70HF, TL470, TL470HF Work Machines: 5600, 5610 *Interchange Part Numbers: - 6680018 - V0511-77150 *Disclaimer: All third party trademarks (including logos and icons) referenced by TL Topline Inc. ("Topline") remain the property of their respective owners. Unless specifically identified as such, Topline's use of third party Trademarks does not indicate any relationship, sponsorship, or endorsement between Topline and the owners of these trademarks. Any References by Topline to third party trademarks and part numbers is to identify the corresponding third party goods and/or services and shall be considered nominative fair use under the trademark law.