Originally Posted by 
JDNSW
				 
			
For comparison, Rover decided to design the Landrover in about May 1947, with the centre steer prototype not appearing until September (and it used a Jeep chassis!).  Real prototypes appear to have been started in October, but it was 11th March 1948 before the first of 48 prototypes was completed, and it was August before the last of them was completed, by which time the production line was operating. But the total of 1948 and 1949 together was only 8,000, compare this with double the number of Jeeps built by Willys in the second half of 1941. 
John