Ford TRANSIT CUSTOM Owner's Manual page 176

Towing Equipment Dimensions
Item
A Wheel centre - end of tow ball
B Centre of tow ball - side member
C
D Centre of tow ball - centre 1.attachment point
E Centre of tow ball - centre 2.attachment point
Transit Custom (TTF) Vehicles Built From: 14-01-2013
Capacities and Specifications
Dimension description
Inner side of side member
Dimension in inches (mm)
174
46.3 (1176)
16.6 (421)
33.2 (842)
18.7 (476)
21.7 (551)