J.I. Case 450C vs J.I. Case 680B Construction King

Verdict: J.I. Case 450C vs J.I. Case 680B Construction King

The J.I. Case 450C and the J.I. Case 680B Construction King are both industrial tractors — here is how they stack up on the figures that matter. Both are rated at the same 71 hp. J.I. Case 450C is the lighter machine (5,352 kg vs 5,851 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. J.I. Case 450C is the newer design (1983 vs 1969). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.