This front differential out of a 2006 John Deere Gator HPX serial# mohp4gx040707 Model HPX Gator DOM 12/17/05. The machine was parted out due to an engine failure. The differential works as it should. We put 12V to the plug and the gears lock in as they should. Please ask any questions you may have and we will get back to you as soon as we can. (location top shelf office).