This is an owner's manual for the Arps Blackhawk Dual-Action Dozer Frame and Blade for the 8N, NAA, Ferguson TO-20 & 30 tractors, with or without a Sherman 54C Digger installed:

Please review our tutorial in our How-To's section (see the red menu bar at the top of the screen) on how to best capture the following pages to your PC, instead of trying to print them with your browser.
Note: this technique will work with any image on any web site.

Enjoy................Ed

P.S. Special thanks to Frank Smyser for contributing this info to the NTC library.