Packard B-12 (Model 905), V-12 Engine

Liberty L-8 (Packard) V-8 Engine

Packard Model 1A-1551, In-line 6 Engine

Packard 1A-2775 X-24 Engine

Packard DR-980, Radial 9 Engine

Packard 3A-2500 Geared Drive, V-12 Engine

Packard 2A-1500, Inverted V-12 Engine