Caterpillar’s 35-tonne 335F L CR — the largest minimum-swing-radius excavator available today — works at a 16% fuel efficiency advantage compared to the 328D model it replaces. 192-hp C7.1 Tier 4 Final engine with automatic engine speed control, engine idle shutdown system and ECO mode Just 7 in. of tail swing over the side of 33-in. track shoes Engine can run on biodiesel blends up to B20 Cat Connect technologies Lift capacities with heavy counterweight option: up to 41,500 lbs. Max dig depth: 22 ft. 9 in. Max reach (ground level): 34 ft. 9 in. Operating weight: 87,940 lbs. Drawbar pull: 66,318 lbf.