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4AD
Serial Number Locations

4AD Chassis
The brass Name and Number plate identifies recommended lubricants, the Company, place of manufacture and the Car Number (eg L4AD3024X). This is the number required for vehicle registration and must match the serial number stamped on the chassis.
4AD Brass plate

You should also find a stamped, oval aluminum disc which identifies the Body Number.

4AD Body plate

The Name and Number Plate can be found on the top of the Tool Deck. The Body Number Tag will be found on the near side of the scuttle as noted below.

4AD Engine
Numbers on the chassis include the Chassis (main side member before the bumper support bracket), Engine (on the offside of the flywheel housing), Gearbox (top face of flange adjoining the clutch housing) and Rear Axle (top of casing).

For a few pictures of the Chassis Number Location click here.