Designed to enable boring strokes limited only by the length of the bar. Includes plenty of power to tackle the big jobs.
Bar Diameters | Boring Diameters | Max. Stroke | Torque at the Bar | Power Options | |
BB3000 | 1.25 inches (31.8 mm) | 1.5 - 5 inches (38.1 - 127 mm) | 10 inches (254 mm) | 40 ft-lb (54.2 N•m) | Electric |
BB4500 | 1.75 inches (1.25 inches optional)(44.5, 31.8 mm optional) | 1.5 - 10 inches (38.1 - 254 mm) | 24 inches (609.6 mm) | 417 ft-lb (hydraulic)(565.4 N•m) | Electric Pneumatic Hydraulic |
BB5000 | 2.25 inches (1.25 inches optional)(50.8, 31.8 mm optional) | 1.5 - 24 inches (38.1 - 609.6 mm) | 36 inches (914.4 mm) | 417 ft-lb (hydraulic)(565.4 N•m) | Electric Pneumatic Hydraulic |
BB5500 | 2.5 inches (1.875 inches optional)(63.5, 47.6 mm optional) | 2 - 4.2 inches (50.8 - 106.7 mm) | length of bar | 65 ft-lb (88.1 N•m) | Pneumatic Hydraulic |
BB6100 | 3.5 inches (88.9 mm) | With standard stack blocks: 6 - 38 inches (152.4 - 965.2 mm)with boring/facing arm: 19.9 - 42.1 inches (505.5 - 1069.3 mm) | length of bar | 470 - 1820 ft-lb (637.2 - 2467.6 N•m) | Hydraulic |
BB7100 | 5 inches (127 mm) | With standard stack blocks: 10.25 - 57.5 inches (260.4 - 1460.5 mm), with boring/facing arm: 22.1 - 62.5 inches (561.3 -1587.5 mm), with standard stack blocks:18.1 - 80.1 inches (459.7 - 2034.5 mm), with boring/facing arm: 28.9 - 97.7 inches (734.1 - 2481.6 mm) | length of bar | 750 - 2900 ft-lb (1020 - 3930 N•m) | Hydraulic |
BB8100 | 8 inches (203.2 mm) | With standard stack blocks: 18.1 - 80.1 inches (459.7 - 2034.5 mm).With boring/facing arm: 28.9 - 97.7 inches (734.1 - 2481.6 mm) | length of bar | 3350 - 6068 ft-lb (4542 - 8227 N•m) | Hydraulic |