Model XL 4300-II excavator is said to be the world's first hydraulic excavator in the 45,000-pound class that offers advantages of a tilting, telescoping boom plus excellent wheeled mobility both on- and off-road. A 166-hp turbo Deere engine powers the working upperstructure and the four-wheel-drive undercarriage. The unit digs to a depth of 20 feet 11 inches, while boom radius at ground level is 30 feet. Bucket breakout force is 25,449 pounds. A range of attachments and boom extensions is available.