ILF 33/44/55 Installation Manual
Rev 1.1 17
Chassis Cut Out ILF 44/55 6.3
These dimensions are starting points due to variation in installations. The final dimensions
may vary depending on actual installation F-Dim.
3. Determine the correct frame cut out according to your specific bed height. With long overhangs it is
even more important to maintain min F = Max ground clearance, Fig. 3.
22"
12"
18"
13"
21"
12"
17"
13"
Assuming 26" F-Dimension
Assuming 27" F-Dimension
Assuming 28" F-Dimension
Cut
Assuming 29" F-Dimension
Assuming 30" F-Dimension
Assuming 31" F-Dimension
Assuming 32" F-Dimension
Assuming 33" F-Dimension
Cut
Cut
Cut
4. If the vehicles sill measures more than 4” in height, add a spacer to the rear of the vehicle, Fig. 4.
The spacer will shift the bed extension back allowing the platform to clear the bottom of the sill when
it is in stored position. Reference cutout dimensions from Step 1 to determine the chassis cutout.
Spacer
Bed Extension
Sill
(Over 4"
in Height)
Chassis
Cut