| Full Name | Sonderkraftfahrzeug 9 8.8 cm Flak 18 (Sfl.) auf Zugkraftwagen 18t |
| Class | Light Vehicle |
| Movement | 6 |
| Armor Value | 1 |
| Vs Infantry (RNG / FPR) | 5/4 |
| Vs Vehicle (RNG / FPR) | 8/13 |
| Traits | |
| Period | 1940-1943 |
| Theaters of Service |
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This German 18-ton half-track saw widespread use, and was the heaviest German half-track vehicle of any type built in quantity. Various companies produced approximately 2,500 between 1938 and 1945. Its main roles were as a prime mover for very heavy towed guns, but it could also tow immobilzed armored fighting vehicles. The Wehrmacht converted at least fifteen chassis of this type in 1940 and/or 1943 to mount an 8.8 cm Flak (L/56) anti-tank gun (either the Flak 18, 36, or 37 models). These vehicles provided mobile anti-tank capabilities, though they did need to be stationary when firing. Sources indicate individual vehicles differed slightly and changed over time, but they shared generally similar characteristics. The crew and engine compartments of this variant were lightly but completely armored, which limited the gun's ability to fire directly ahead. For this reason, designers fitted a platform with drop-down sides; outriggers were necessary to brace the platform sides to support the weight of the gun and crew. It could achieve a top speed of 31 mph. The Sd.Kfz. 9 anti-tank variant saw service in the invasion of France and on the Eastern Front, 1940 through 1943.