WORKING DRAFT (7.44)
The most efficient way to shop for tractors is to identify potential tractor applications first, then determine bare tractor weight necessary to safely accomplish your applications.
The fundamental importance of TRACTOR WEIGHT eludes many tractor shoppers. Heavier tractor weight is more important for most tractor applications than increased tractor horsepower. Bare tractor weight is a tractor specification easily found in sales brochures and web sites, readily comparable across tractor brands and tractor models, new and used.
Within subcompact and compact tractor categories, a significant tractor capability increase requires a bare tractor weight increase of 50%. It takes a 100% increase in bare tractor weight to elicit MY-OH-MY!
Shop your weight range within tractor brands. Budget will eliminate some choices. Collect a dealer brochure for each tractor model in your weight range. I spreadsheet tractor and implement specs, often a revealing exercise. I have a column for cost per pound.
Most tractors under 3,000 pounds bare weight operate in residential or hobby farm applications on one to ten flat acres.
Selling a used tractor is easy. Selling multiple light implements in order to buy heavier, wider implements for a new, heavier tractor requires a lot of time. Depreciation on implements is generally greater than depreciation on a tractor.
Heavier tractors are constructed on larger frames and longer wheelbases. Heavier tractors are built with thicker steel to withstand greater stress. Heavier tractors have larger diameter wheels/tires. Heavier tractors with large diameter wheels/tires have more tractive power pulling ground contact implements, pushing a loader bucket into dirt and pushing snow. Larger wheels and tires permit heavier tractors to bridge holes, ruts and tree debris with less implement and operator perturbation.
Four wheel drive is essential on hillsides. Four wheel drive supplies increased traction and braking. When descending slopes 4-WD augments rear brakes as tractor weight shifts forward, decreasing rear tire grip.
Compact tractors optimized for hill work have liquid installed in the rear tires rather than air. "Loaded" tires are filled 50% with liquid, which lowers the tractor's center-of-gravity, increasing rollover resistance. "Loading" two compact tractor rear tires increases tractor weight 300 pounds to 800 pounds over weight of identical two tires inflated with air. Some prefer to ballast rear wheels with iron wheel weights rather than tire liquids.
When considering a tractor purchase, bare tractor weight first, tractor horsepower second, rear axle width third, rear wheel ballast fourth.
(Usually, but sometimes not.)
A quality dealer, reasonably close, available for coaching, is important for tractor neophytes. Most new tractors are delivered with a glitch or two requiring correction. My kubota dealer is six miles away. I feel my local dealer continues to add value to my equipment after nine years. Dealer proximity is less important for those experienced with tractors and qualified to perform their own maintenance.
BUY ENOUGH TRACTOR.