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General characteristics
* Type: 18-cylinder supercharged two-row radial engine
* Bore: 156 mm (6.142 in)
* Stroke: 156 mm (6.142 in)
* Displacement: 53.671 L (3,275.2 in³)
Components
* Valvetrain: One intake and one sodium-cooled exhaust valve per cylinder
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General characteristics
* Type: Twin-row 18-cylinder radial engine
* Bore: 6.125 in (155.6 mm)
* Stroke: 6.312 in (160.2 mm)
* Displacement: 3,347 in3 (54.56 L)
* Length: 76.26 in (1,930 mm)
* Diameter: 55.78 in (1,420 [...]