OUR TRAILER HITCH
Model: UHaul 36330; Receiver: 1-1/4" receiver; Class II hitch; 2 inch ball; Max weight (GTW): 3,500 lbs; Max tongue weight = 300lbs. Class I and II Pin & Clip - 1/2" Diameter. [Converter, remote power, 4 FLA; vehicle end 7 round/4 flat; ball 2X3/4X1-15/16" 5000lbs. Contract 91155909; Center 700045; 6/8/15. Hitch Installation Guide - Model 36330; $5 lifetime warranty - We guarantee replacement (including labor costs) of the hitch for any reason, with no limitation for any damage, including collision, corrosion, accidental overload, jackknifing and theft of vehicle. http://www.uhaul.com/MovingSupplies/Trailer-Hitches/
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UHAUL
Uhaul Corvallis: (541) 757-7655; Mon-Thur: 7 am - 7 pm; Fri: 7 am - 8 pm; Sat: 7 am - 7 pm; Sun: 9 am - 5 pm
http://www.uhaul.com/Locations/Trailer-Hitches-near-Corvallis-OR-97330/700045/
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INFORMATION
http://www.uhaul.com/MovingSupplies/Trailer-Hitches/
http://www.uhaul.com/Trailers/HitchGlossary
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://howto.curtmfg.com/Pages/index.cfm.23.html
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Transmission cooler: http://www.uhaul.com/MovingSupplies/Transmission-coolers/High-Performance-Heavy-Duty-Transmission-Cooler?id=110