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Three D-Series mini hydraulic excavators join the Caterpillar line. The 307D is a direct replacement for the 307C. The 308D CR (pictured), a compact radius machine that works productively in tight spaces, replaces the 308C CR. A new model, the 308D CR SB, combines the compact radius design with a swing boom for more versatility. The new models outperform their predecessors with 22-percent higher bucket forces and 10-percent higher stick forces. Lift capacity has been increased with the addition of a larger counterweight, and a 15-percent increase in traction forces improves dozing and turning performance. A new turbocharged 54-hp Mitsubishi 4M40TL engine that meets Tier-4 emissions regulations powers each model.
