Layout    
FR layout

Engine    
346 cu in (5.7 L) Monobloc V8

Transmission    
3-speed synchromesh manual

Dimensions
Wheelbase    
1937: 131.0 in (3,327 mm)
1938: 132.0 in (3,353 mm)
Commercial: 160.0 in (4,064 mm)
Length    
1937: 208.2 in (5,288 mm)
1938: 211.4 in (5,370 mm)
Width    
1937: 74.4 in (1,890 mm)
1938: 77.6 in (1,971 mm)
Height    
1937: 69.5 in (1,765 mm)
1938: 68.0 in (1,727 mm)

Series 65 on Wikipedia

MORE SPECS WILL BE HERE SOON