Propulsion, Engines, Allison V-1710-7 (V-1710-C4) Published on February 15, 2018 in Benjamin Scovill Kelsey (9 March 1906 – 3 March 1981)Full resolution (2000 × 1283) ← Previous Next → Allison V-1710-7 (V-1710-C4) V-12 engine (A19600125000) engine. One-half left front view.