CaseIH STX440 vs CaseIH STX450QT Quadtrac
Verdict: CaseIH STX440 vs CaseIH STX450QT Quadtrac
The CaseIH STX440 and the CaseIH STX450QT Quadtrac are both tractors — here is how they stack up on the figures that matter. CaseIH STX440 leads on rated power with 401 hp against 399 hp. CaseIH STX440 is the lighter machine (17,837 kg vs 23,285 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. CaseIH STX450QT Quadtrac is the newer design (2002 vs 2001). In short: choose the CaseIH STX440 for outright pulling power, or the CaseIH STX450QT Quadtrac if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.