http://www.uhaul.com/Locations/Trailer-Hitches-near-Corvallis-OR-97330/700045/
http://www.uhaul.com/Trailers/HitchGlossary/
Heavy Duty 1 1/4 inch Rec (Powder Coat)
Class I and II Pin & Clip
Transmission cooler: http://www.uhaul.com/MovingSupplies/Transmission-coolers/High-Performance-Heavy-Duty-Transmission-Cooler?id=110
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http://howto.curtmfg.com/Pages/index.cfm.23.html
Hitch ball mount: Also called a "stinger" or a "draw bar," the ball mount is a square steel tube with a thick mounting plate to hold a hitch ball. These ball mounts are made to be easily changed so that you can quickly use a variety of hitch balls. The ball mount is held in place in the hitch with a special pin, or a locking device. See Chapter 5 and Chapter 8 for more information on ball mounts.
Hitch pin: This pin holds the ball mount in the hitch. It is also a convenient attachment point for breakaway cables. Typically, a hitch pin is bent like a hockey stick, and drilled at one end to accept a hairpin-shaped retaining clip. A large bolt with a nut and a lock-washer is sometimes used in place of a hitch pin. See Chapter 9 for more information on using a hitch pin and clip.
https://www.etrailer.com/faq-ballmount.aspx
http://www.westmarine.com/WestAdvisor/Sizing-Up-Trailer-Hitches-and-Couplers
http://www.uhaul.com/MovingSupplies/Trailer-Hitches/
http://www.draw-tite.com/products/ball-mounts/class-ii-drawbars-1-1-4-/0hJRW0!CHZfdVayuxRcpbmRB7eULodkH
http://www.draw-tite.com/products/ball-mounts/class-ii-drawbars-1-1-4-/drawbar-kits/Ft6J97!qk623Qdq1Op5w6YL5rSPzopMo
Brake controller
http://www.etrailer.com/dept.aspx?furl=pg-Brake_Controller&gclid=Cj0KEQjw58ytBRDMg-HVn4LuqasBEiQAhPkhui2AM01H2gShj9J11n5dwp6vcQXbR8TpRyIeQ7bMYdAaAhO18P8HAQ
http://www.autozone.com/trailer-wiring-and-electrical/trailer-brake-control
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http://immobilize.com/trailer-wheel-locks/
http://www.brahmalock.com/
http://www.etrailer.com/Locks/Rackem/RA-25.html
https://www.google.com/search?q=trailer+wheel+lock&espvd=2&biw=1281&bih=720&source=univ&tbm=shop&tbo=u&sa=X&ved=0CJABELMYahUKEwjC55bdyPbGAhVYmIgKHWOpBXA
http://www.secureyourtrailer.com/?gclid=Cj0KEQjw58ytBRDMg-HVn4LuqasBEiQAhPkhuibcRjFdt_No8miR4eqSvQIA3URvWIPI6crgGVG3a0EaAqcp8P8HAQ