Redesigned mid-weight VMT380 and VMT430 double-drum vibratory compactors are available in two drum widths: 51 or 55 inches.
Redesigned mid-weight VMT380 and VMT430 double-drum vibratory compactors are available in two drum widths: 51 or 55 inches. Models VMT380-130, VMT380-140, VMT430-130 and VMT430-140 have new frames, revised hydraulics and improved service access, according to JCB Vibromax, and offer up to 5 percent fuel saving over the models the replace: VMT390 and VMT500. An improved drive system delivers a 20-percent increase in vibration frequency, to 66Hz. Gradeability is improved by 42 percent, and all models use a mechanical gear shift. Turning radius is 7.8 feet for the 51-inch machines and 8 feet for the 55-inch units. The engine has been moved to the front section of the chassis, and larger, 64.7-gallon water tanks are now mounted on the rear. New operator station has an integrated cutter contro and optional second drive lever. JCB Automatic Vibration Control system cuts off vibratioin when the unit stops traveling. Three working modes with a detented throttle control provides three different frequencies.