and oopps from me.
The # 2537HR refers to the gearbox.
The engine # in Mr Hills book for ch 4840 is listed as 82061
The SS built after chassis 4840 was chassis 4862 and it had engine 82114, so it is strange that 4840 in Hills book has a earlier number..maybe he had obtained it and was working on it before 4840 was built...it(engine) would have been built early in the 1961 year.
Not sure if any of this explains the present engine in 4840.
Hermen Pol where are you?
