FIGURE 21. M915 TRACTOR TRUCK.
The M915 and M915A1, 6x4, line haul, tractor trucks are used for hauling a variety of semitrailers,
including stake-and-platforms, vans, tankers, and so forth. They have no front-wheel drive and are
intended for operation on improved roads only. The M915A1 has a five-speed transmission.