83H610 SWITCH. Gearbox isolator switch.
Genuine Lucas part.
On Leyland Lightweight tractors this switch is fitted to the gearbox top and the gear lever has to be in the start position.
(See item number 1 in the Leyland Lightweight illustration).
On Leyland Heavyweight tractors this switch is fitted to the gear stick linkage and the main gear has to be pressed against it to start.
(See item number 18 in the Leyland Heavyweight illustration).
Fitted to tractors:
Alternative part number: 1646Z11