The National 400B provides a 10-ton capacity at a five-foot radius. Three basic boom lengths and two optional jib combinations complete this versatile performer. Five mounting configurations, including rear mount, are available. Available with: Three boom length options: 4,62 m – 11,28 m (15 ft – 37 ft) three-section with a max. tip height of 14,1 m (46.4 ft) 5,54 m – 14,02 m (18 ft – 46 ft) three-section with a max. tip height of 16,9 m (55.3 ft) 6,55 m – 17,07 m (21.5 ft – 56 ft) three-section with a max. tip height of 19,8 m (65.1 ft) Internal Anti-two-block Self-lubricating “Easy Glide” Wear Pads Hydraulic Capacity Alert System (HCAS) Variable displacement hydraulic system Proportional boom extension High performance planetary winch
