Challenger MT345B vs Challenger MT455B
Verdict: Challenger MT345B vs Challenger MT455B
The Challenger MT345B and the Challenger MT455B are both tractors — here is how they stack up on the figures that matter. Challenger MT345B leads on rated power with 91 hp against 80 hp. Challenger MT345B is the lighter machine (5,291 kg vs 8,885 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Challenger MT455B holds more fuel (151.4 L vs 109.8 L) for longer stints between fills. Challenger MT345B is the newer design (2006 vs 2004). In short: choose the Challenger MT345B for outright pulling power, or the Challenger MT455B 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.


