One of the many ways that lateral g-force can contribute to a rollover crash is by inducing a “weight shift.” It is common to hear driver trainers and crash investigators refer to “weight shift.” But what is “weight shift,” and why is it bad?

VT Hackney—Boston (MA) Fire Department, hazmat/heavy rescue. Freightliner M2 cab and chassis; Cummins ISL9 350-hp engine; 21-foot Hackney walkaround 11-compartment body; Dometic 900 series power awnings; Whelen LED NFPA warning lights package; Federal Signal rearview color camera with night vision monitor; Norcold NRF-60 AC/DC freezer. Dealer: Pat O’Connor, Northeast Rescue Systems, Dedham, MA. << APRIL...