If your 109 is a 1967, then that speedo pictured in your post is the correct speedo and was introduced in 67 I believe. The number 1408 (on the lower right face) was specific to long wheelbase models as they shipped with 16 inch tires and needed different internal gearing so the speedo was accurate and the odometer ticked over correctly at each mile.
Trip was not a common feature until the series 3 trucks but was an option on earlier 2A models. The reset button protruded through the bottom of the metal dash in the 2a application.
Not sure of the part number, but an example can be found here
Trip was not a common feature until the series 3 trucks but was an option on earlier 2A models. The reset button protruded through the bottom of the metal dash in the 2a application.
Not sure of the part number, but an example can be found here
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