Three new G-Series excavators have Tier 4-Interim engines: 250G, 290G and 350G range from 191 to 299 horsepower. Three other models—470G, 670G and 870G—will be introduced this summer. Powerwise III management system balances engine and hydraulic performance. Cooling system cools on demand and has an optional reversing fan to blow out debris. Operator’s cab has a full-suspension, high-back seat that adjusts independently from or together with the control console.
March 25, 2011