Blower drive system for a vacuum truck

A blower drive system for a vehicle, the vehicle including a vehicle engine, one or more rear wheel axles, and a vehicle chassis frame for mounting the one or more rear wheel axles and which defines a support bed for the vehicle, the blower drive system comprising:

• a blower including a blower input shaft and a blower housing having a bottom;
• a transfer case including a transfer case housing, an input shaft, a first output shaft driveable from the input shaft, and a second output shaft driveable from the input shaft;
• the input shaft operably connected to receive drive from the vehicle engine;
• the second output shaft operably connectable to drive the one or more rear wheel axles;
• the first output shaft operably connected to drive the blower input shaft;
• and
• a frame bracket assembly including one or more connections to the vehicle chassis frame and one or more connections to the blower housing, wherein the frame bracket assembly mounts the blower housing in a specified fixed angle with respect to ground and mounts the bottom of the blower housing in a specified fixed height above the vehicle chassis frame.