Engine Speed Governor: Description and Operation
Vehicle Speed Limiter
NOTE: Maximum speed may vary with load and axle ratio.
For F-250/350 and Excursion applications, a diesel engine equipped vehicle is limited to a maximum speed of approximately 150 km/h (95 mph). For F-450/550 applications, a diesel engine equipped vehicle is limited to a maximum speed of approximately 130 km/h (81 mph).