Tech & Installation
The latch handle of the coupler must be in the locked position. Some latch handles need to be pushed back slightly to accommodate the lock sliding into the correct position.
Not all couplers are the same
We have found that some 2-5/16" couplers will fit a 2" lock. We base our sizes off of coupler flange with. Max width for 2-5/16 is 4-3/8 wide. For the 2" lock, max flange width is 3-5/8" wide. Measurement is based off the flange width on the bottom of the coupler.