Description Overview Grove model GMK 4115 Year: 2008 115 tons capacity Boom and Jib 171 feet main boom 33 feet – 56 feet hydraulic off-set jib 2 x 16 feet lattice jib inserts Hours and Mileage Upper hours: 8,040 Lower hours: 2,373 Miles: 24,500 Cab and Comfort Air conditioning in both cabs Hoist and Rigging Main hoist Auxiliary hoist 3 sheave block Ball Engine and Drivetrain Upper engine: Mercedes OM904LA (148 hp) Lower engine: Mercedes OM460LA (422 hp) Transmission: Daimler Chrysler G240-16 8x6x8 drive/steer Counterweight 57,500 pounds counterweight