Even tall postal carriers can stand up without bonking their heads and walk from. · the new trucks are being built with comfort, safety and utility in mind by oshkosh defense in south carolina. Thats the next generation delivery vehicle (ngdv) developed by oshkosh corporation for the u. Postal service, and weve driven it at. Postal service ’s next-generation delivery vehicle, left, is displayed as one new battery electric delivery trucks leaves the kokomo sorting and delivery center in kokomo, ind. , thursday, aug. The grumman long life vehicle (llv) is an american light transport truck model designed as a mail truck for the united states postal service, which has been its primary user since it first entered service in 1986,. · the new mail trucks — 10 years in the making — have started rolling into american neighborhoods, and the early reviews from letter carriers are positive. · a united states postal service ( usps ) grumman long life vehicle (llv) mail delivery truck exits a post office parking lot on in los angeles, california. · now a new model is rolling up to americas mailboxes. · within a few years of the initial rollout, the fleet will have expanded to 60,000, most of them electric models, serving as the postal service’s primary delivery truck from maine to hawaii. It was also used by canada post. - in march, the usps.