Assertion: tank's engine | /r/HasProperty | supercharged for the m2a1
Facets:
value: to provide an extra 50 hp
type: PURPOSE
Source sentences:
text: For the M2A1, this engine was supercharged to provide an extra 50 hp (37 kW) for a total of 400 horsepower (300 kW), and designated as the R-975 C1 radial engine.