J.I. Case 310 vs J.I. Case 680B Construction King

Verdict: J.I. Case 310 vs J.I. Case 680B Construction King

The J.I. Case 310 and the J.I. Case 680B Construction King are both backhoe loaders — here is how they stack up on the figures that matter. J.I. Case 680B Construction King leads on rated power with 71 hp against 42 hp. J.I. Case 310 is the lighter machine (3,447 kg vs 6,577 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. J.I. Case 680B Construction King is the newer design (1969 vs 1957). In short: choose the J.I. Case 680B Construction King for outright pulling power, or the J.I. Case 310 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.