Abstract: A lightweight and inexpensive apparatus for supporting a transmission allows for standardized positioning of mounting brackets on a frame during assembly and readily accommodates minor variations in the positioning of transmissions during the assembly. The apparatus generally comprises a pair of mounting brackets placed in the standardized positions on the frame, a spring which extends between the mounting brackets across the frame, a bushing on the spring which rigidly attaches to the spring and which is capable of receiving a rod which rigidly extends from the transmission, and a rod which is rigidly connected to the transmission. A method of installing variable sized and located transmissions to a fixed location on a vehicle frame.