The manufactures have created so many models and model variants that when you start comparing you go down a rabbit hole that you can almost never get out of.
Count your blessings. Farmers in Cuba do not have the choices making your research difficult.
If you cease thinking in terms of SIZE and start thinking in terms of WEIGHT your research will be more productive.
The fundamental importance of TRACTOR WEIGHT eludes many tractor shoppers. Tractor weight is more important identifying compact tractor capability than tractor horsepower.
Bare tractor weight is a fundamental tractor specification easily found in sales brochures and web sites, readily comparable across tractor brands and tractor models, new and used.
I have been surprised and disappointed at the lack of equal offerings in today's tractors.
Compact tractors of the weight of Ford 3000, 3,700 pounds bare tractor, are the mid-weights in the compact tractor category, a high volume segment. Every manufacturer produces at least a economy and a deluxe model ( two models ) in this category. Deere offers four models in this category.
Then there is the issue of not being offered the option of a front mount PTO.
Kubota's 3,700 pound to 4,000 pound bare weight deluxe tractors, the Kubota 'Grand L' models, offer an optional front PTO, most often used to power front snow blowers and front brooms in the USA. As you should expect, ordering a second drive line for a compact tractor is an expensive option.
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Other brands? Models to look at or avoid? Buy new or used?
The design of the Three Point Hitch tractor has been marketed in the USA since 1939 -- 82 years in 2021.
The Three Point Hitch tractor design is generic.
Kubota and Deere have most of the market through 6,000 pound bare weight tractors. But this Kubota/Deere domination is regional.
Some will suggest that I look at another brand of tractor. I found they were either distant from me and/or the quality, durability, parts support, customer service and resale value were not there.
The up and coming compact tractor brands are Korean: Kioti, LS and Branson. There are other Korean brands. You have to critically assess dealer stability while shopping minor brands. Speaking only as an observer, not an industry insider, LS, Kioti and Branson are established in California, a huge consumer market with a major port of entry in Long Beach and in the fast population growth states touching the Gulf of Mexico, which includes Alabama.
I finally had to just set a budget and then find the specs that got closest to what I want and need.
Korean manufacturing labor is paid 50% of what Deere pays its union work force. Japanese manufacturing labor is paid 70% of what Deere pays its union work force. Labor costs strongly influence tractor prices. Kubota is the gold standard in the compact tractor category. Deere dominates in 'Big Ag' tractors.