The Truth 11577 is used on the Encore and Maxim Awning Operators, Models Wi5100 (51.00) and Wi5110 (51.10). The operator is attached to the track by the 11647 Slide Shoe. The track measures 16 inches long by 5/8 inches wide and 5/16 inches deep.
The Truth 23.49 is a Dyad Operator is rear mounted. The linkage arm is 9-1/4 inches overall length, 8-3/4 inches hole to hole. The rear mounting holes are 5 inches on centers.
The Truth 22.18 Front Mount Awning Operator spreads 20-1/8 inches pin to pin on the arms when it is in the closed position. The Front Mount hole spaceing is 7 inches on the outside holes and 6 1/8 inches on the inside holes.
The Truth Encore 51.10 Awning Operator is used on windows that open from the bottom and swing out, like a one piece garage door. When in the closed position, the arms have an approximate length of 15 inches. The operator ships with the 31879 detach clip, but does not include the 11647 Maxim Slide Shoe. The slide shoe is the piece that slides in the track at the bottom of the window. A common number we find on this operator is 41013. The housing is constructed of die cast metal, and arms are steel. The complete assembly is electro statically painted.
