Three-Dimensional Measurements

Three-dimensional measurements are provided in the absences of dimension information from your equipment supplier. Universal three-dimensional measuring equipment is required to use these numbers. You may need to adjust the height dimensions to match the datum height of your equipment. Only the width dimensions can be used to measure point-to-point. All holes, slots and fasteners are measured to the center.

Fig 1: Identifying Frame Three-Dimensional Frame Measurements

Courtesy of GENERAL MOTORS CORP.

Three-Dimensional Frame Measurements

Location	Description	Length	Width	Height
1	Datum Line	0	0	0
2	Center Line	0	0	0
3	Zero Line, 27 mm x 17.5 mm slot	0	522 mm	306 mm
a	13 mm Tow Hook Hole	1415 mm	454 mm	538 mm
b	16.5 mm Bumper Attachment	1286 mm	340 mm	400 mm
c	20 mm x 16 Slot	1119 mm	600 mm	302 mm
d	32 mm x 17.5 Slot	2102 mm	598 mm	545 mm
e	14.5 mm hole	3047 mm	500 mm	520 mm
All dimensions are measured in millimeters, from a zero line, center line, and a common datum. All dimensions are symmetrical, unless otherwise specified.