The three point hitch refers to the way ploughs are attached to an agricultural tractor. The dimensions of a category 1 hitch is 3/4 inch x 7/8 inch.
A class II hitch has a 1-1/4" receiver opening and tows up to 3,500 lbs.
http://www.tractordata.com/threepoint.html
Category 1 refers the the size of the three point hitch. The pin size for your lift arms is 7/8". You will find Category 2 hitches on tractors above 50 hp.
It varies from 20 inches for a category 0 hitch to 32 inches.
Try this. http://www.etrailer.com/products.asp?model=Montero&category=hitch&year=1998&make=Mitsubishi&t1=&h=e
CHiPs - 1977 Hitch-Hiking Hitch 1-17 was released on: USA: 9 February 1978 Belgium: 2 September 1981
The Hitch Hikers Guide to the Galaxy - 1981 1-1 is rated/received certificates of: Australia:G
It all determines what type of truck that you have. Some trucks require a 1/2 hitch while others need a 3/4 hitch. Please ask the person you're going to buy the hitch from or a mechanic for which one is appropriate for you car.
The Hitch Hikers Guide to the Galaxy - 1981 1-2 is rated/received certificates of: Australia:G
The Hitch Hikers Guide to the Galaxy - 1981 1-4 is rated/received certificates of: Australia:G
The Hitch Hikers Guide to the Galaxy - 1981 1-5 is rated/received certificates of: Australia:G