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

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

The J.I. Case 310B and the J.I. Case 680 Construction King are both backhoe loaders — here is how they stack up on the figures that matter. J.I. Case 680 Construction King leads on rated power with 71 hp against 42 hp. J.I. Case 310B is the lighter machine (3,447 kg vs 12,700 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. J.I. Case 680 Construction King is the newer design (1966 vs 1958). In short: choose the J.I. Case 680 Construction King for outright pulling power, or the J.I. Case 310B if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.