8
11921 Slauson Ave.  Santa Fe Springs, CA.  90670  (800) 227-4116  FAX (888) 771-7713
VEHICLE REQUIREMENTS
The BMR is a body-mounted Liftgate 
that puts forces on the side walls of truck 
and trailer bodies (FIG. 8-1). For cor-
rect installation, truck and trailer bodies 
must be strong enough to withstand the 
tension, compression and shear forces 
shown in FIG. 8-1. Use TABLES 9-1, 
9-2, 9-3, and 9-4 on the following page 
to determine the forces that apply to the 
type of platform, size of platform, and 
load capacity of your Liftgate.
X= Tension on each sidewall
Y= Compression on each sidewall
Z= Shear on each sidewall
X 
77”
BED HEIGHT
Y
Z
Consult vehicle body manufacturer for vehicle body strength data. Make sure the 
forces created by the Liftgate are within the limits prescribed by the vehicle body 
manufacturer.
WARNING
FIG. 8-1
BODY STRENGTH
NOTE: Maximum operating bed height for body is 56” (Unloaded). Minimum is 44” 
(Loaded). Do not install this Liftgate on vehicle bodies equipped with swing 
open doors.
!
NOTE: Installer is responsible for ensuring vehicle meets Federal, State, and Local 
standards and regulations.