3" D. (front to back)
With rounded corners.
The manual o'ride lever sticks down about 1/2".
It is larger than I think that it should be however, if you purchse one you won't be disappointed. The BEST brake controller on the market.
One change that I made. I had a local Hydraulic hose company fabricate a length of Hydraulic Brake hose with the correct end fittings to replace the Maxx Brake supplied steel line. Then I made a small bracket and attached it with the transducer attached to the cowling pinch weld.
2005 Dodge, 2500, auto, 2wd. Pac brake PRXB. CB, Max Brake Brake Controller, Rhino Lining, Aero 60 gal. replacement tank.
1998 Hitchhiker ll, mod#31RLBGBW, RBW L'tl Rocker Hitch, Generac NP50 G generator