BS 3529 – Specification for dimensions of flywheel housing mounting pads and brackets for i.c. engines
Mounting pad face and pad location dimensions with respect to horizontal and vertical centre lines of vertical pads located above and below the flywheel horizontal centre line (‘high’ and ‘low’ pads). Diameters, location dimensions of tapped holes. Dimensions of brackets which, secured to mounting pads, form engine support arms.
