The Bulldog Winch Custom-Fit Steel ATV Winch Mount # BDW15114 is the correct mount for a 2010 Honda Rancher 420. It is designed for compatibility with winches of many brands. It is a confirmed fit for your vehicle and worst case scenario you may need to drill new holes for your Champion brand winch in the mount itself but your vehicle fit will be precise. view full answer...
In order to mount your Superwinch Terra 45 on your 2011 Honda Rancher 420, you'd need the # BDW15114 Bulldog Custom Winch Mount.
I've confirmed the fit of the mount to the UTV as well as the fit of the winch to the mount with Bulldog Winch, they confirm that the mount is a fit for your Rancher and that your Terra 45 winch is compatible with the # BDW15114 mount. view full answer...