Sources for “How Much to Spend on a Lawn Tractor for 3+ Acres”

Primary source for S180 price ($3,799 including $100 freight), 24 hp Briggs & Stratton 44U877 engine, 54-inch 11-gauge Edge deck, Tuff Torq K46 transaxle, 12-gauge welded frame, speeds, and the 2-year/120-hour transferable warranty.

Primary source for X380 price ($5,799), Kawasaki FR691V engine, 48-inch Accel Deep stamped deck, Tuff Torq K58 transaxle, nodular cast iron front axle, wet disc brakes, 6.2 mph top speed and the 4-year/300-hour warranty.

Primary source for X570 price ($8,499), iTorque engine with cast iron liners, 54-inch 10-gauge Accel Deep deck, K72 transaxle, weight brackets, 7.2 mph top speed and the 4-year/500-hour warranty.

Manufacturer source for XT1 ST54 MSRP ($3,499), 24 hp Kohler 7000 747cc engine, 54-inch 11-gauge AeroForce fabricated deck, cast iron front pivot bar, and the 3-year unlimited-hours, 5-year frame and lifetime deck shell warranties. Does not publish the transaxle model or an acreage rating.

Manufacturer source for TS 348XD MSRP ($4,899), 22 hp Kawasaki FR engine, 48-inch ClearCut fabricated deck, Tuff Torq hydrostatic with rear locking differential, cast iron front axle and the 3-year bumper-to-bumper warranty. Does not publish the transaxle model.

Manufacturer product page for the S180, cited for product identity. The page requires JavaScript and returned no specifications or pricing when fetched, so all S180 figures in this report come from the dealer source instead.

Retailer listing establishing the GR2120-2-54 price ($12,399), 21 hp diesel engine and 54-inch deck. Quote-only listing; transmission, drive type and warranty are not published on the page.

Retailer source for T260 specifications: 23 hp Kohler 7000 engine, 50-inch reinforced stamped deck, foot-pedal hydrostatic drive, 5-inch turning radius, 3-year warranty, built in Martin, Tennessee, and the claim that the deck handles up to 3 acres. No price published online.

Secondary report of a Consumer Reports reliability and owner-satisfaction survey covering more than 12,200 mowers bought new between 2014 and 2024, surveyed 2022-2024, ranking Kubota first and John Deere second. Rankings only; no numerical scores published, and the original is paywalled.

Valuation method used for every depreciation figure here: 11-14% a year for the first six or seven years, 14% for entry-level and 11% for mid-grade machines, condition adjustments from +15% to -50%, and comparable-sales guidance beyond seven years.

Source of the productivity formula used for every mowing time in this report: 108.9 / (mph x 0.9 x deck width in inches) = hours per acre, where 0.9 covers pass overlap and the constant includes a 10% turning allowance. Published by an equipment maker.

Owner thread documenting K46 failure modes: lost hill climb attributed to worn piston pump seals, axles snapping at the key groove around 300 hours, one failure at 120 hours, and repeat failures on machines modified with heavier decks and engines. Self-selected, partly about modified machines, and over a decade old.

Owner thread on the Kubota GR2120: diesel fuel economy reported as removing a mid-mow refuel on two acres, the absence of rear suspension compared with the older TG1860, and a low-hour used purchase. Small anecdotal sample.

Owner thread on deck width versus mowing time. Listed for provenance of the deck-width debate; the thread itself could not be retrieved (HTTP 402), so no claim in this report rests on its contents.