BTJ3540 TRACTOMETER ASSEMBLY. Tacho Head for Nuffield 4/25 and Leyland 154 tractors.
This tractometer assembly was used up until 1963 on Nuffield 4/25 and Leyland 154 tractors without an angle drive at the engine end and with 33" long TACHO DRIVE CABLE (BTJ3536).
See item 1 in the illustration.
Fitted to tractors: