Designações Sd.Kfz
Sd.Kfz, abreviatura de Sonderkraftfahrzeug, ou veículos para fins especiais.
Sempre acabamos nos confundindo com as numerações que o exército alemão dava aos seus veículos, principalmente com as variações. Então achei esta tabela na Wikipedia (dado o crédito) e achei conveniente compartilhá-la aqui no blog. Vale como curiosidade e como referência também.
Ah, mantive as definições me inglês. Não por preguiça, mas acho que são bem mais explicativas.
Vamos a elas.
SdKfz 2 (Kettenkrad light halftrack “track-cycle”)
SdKfz 2/1 (field cable-laying variant)
SdKfz 2/2 (heavy cable-laying variant)
SdKfz 3 (Maultier) half track cargo vehicle�
SdKfz 3a (Maultier)SdKfz 3a (Maultier based on 2 ton Opel trucks)
SdKfz 3b (Maultier based on 2 ton Ford trucks)
SdKfz 3c (Maultier based on 2 ton KHD trucks)
SdKfz 4 (Maultier based on 4.5 ton trucks)
SdKfz 4/1 (Maultier with 15 cm Nebelwerfer 42 rocket launcher)
SdKfz 6 (5 ton medium halftrack for the engineers)
Sd.Kfz. 6/1 SdKfz 6/1 (5 ton medium halftrack for the artillery)
SdKfz 6/2 (self-propelled 37 mm antiaircraft gun)
SdKfz 7 (8 ton medium halftrack)
SdKfz 7/1 (self-propelled 20 mm quad antiaircraft gun)
SdKfz 7/2 (self-propelled 37 mm antiaircraft gun)
SdKfz 8 (12 ton heavy halftrack)
SdKfz 9 (18 ton heavy halftrack)
SdKfz 9/1 (halftrack mounted 6 ton crane)
SdKfz 9/2 (halftrack mounted 10 ton crane)
SdKfz 10 (1 ton light halftrack)
SdKfz 10/1 (light gas detection vehicle)
SdKfz 10/2 (light decontamination vehicle)
SdKfz 10/3 (light decontamination sprayer vehicle)
SdKfz 10/4 (self-propelled 20 mm Flak 30 antiaircraft gun)
SdKfz 10/5 (self-propelled 20 mm Flak 38 antiaircraft gun)
SdKfz 11 (3 ton light halftrack)�
SdKfz 11/1 (smoke-generation vehicle)
SdKfz 11/2 (medium decontamination vehicle)
SdKfz 11/3 (medium decontamination spraying vehicle)
SdKfz 11/4 (smoke-generation vehicle)
SdKfz 11/5 (medium gas detection vehicle)
SdKfz 101 (Panzer I Ausf. A/B light tank)
SdKfz 111 (Panzer I ammunition carrier variant)
SdKfz 121 (Panzer II Ausf. A to F light tank)
SdKfz 122 (Panzer II “Flammingo” flamethrower tank)
SdKfz 123 (Panzer II Ausf. L “Luchs” reconnaissance tank)
SdKfz 124 (Wespe self-propelled 105 mm artillery)
SdKfz 131 (Marder II self-propelled 75 mm antitank gun)
SdKfz 132 (Marder II self-propelled 76.2 mm antitank gun )
SdKfz 135 (captured Lorraine Tracteur Blindé tracked carrier)
SdKfz 135/1 (self-propelled 150 mm howitzer)
SdKfz 138 (Marder III self-propelled 75 mm antitank gun)
SdKfz 138/1 (Grille self-propelled 150 mm infantry gun)
SdKfz 138/2 (Hetzer tank destroyer based on the Panzer 38(t) chassis)
SdKfz 139 (Marder III self-propelled 76.2 mm antitank gun)
SdKfz 140 (Flakpanzer 38(t) self-propelled 20 mm anti-aircraft gun on a Panzer 38(t) chassis)
SdKfz 140/1 (armored reconnaissance vehicle based on the Panzer 38(t))
SdKfz 141 (Panzer III medium tank with 37 mm or 50 mm L/42 main gun)�
SdKfz 141/1 (Panzer III medium tank with 50 mm L/60 main gun)
SdKfz 141/2 (Panzer III medium tank with 75 mm L/24 main gun)
SdKfz 142 (StuG III assault gun with 75 mm L/24 main gun)
SdKfz 142/1 (StuG III assault gun with 75 mm L/43 or L/48 main gun)
SdKfz 142/2 (StuH 42 assault gun with 105 mm L/28 main gun)
SdKfz 143 (Panzer III based artillery observation post)
SdKfz 161 (Panzer IV medium tank with 75 mm L/24 main gun)�
SdKfz 161/1 (Panzer IV medium tank with 75 mm L/43 main gun)
SdKfz 161/2 (Panzer IV medium tank with 75 mm L/48 main gun)
SdKfz 161/3 (Möbelwagen self-propelled 37 mm antiaircraft gun)
SdKfz 161/4 (Wirbelwind self-propelled 20 mm x 4 antiaircraft gun)
SdKfz 162 (Panzer IV based tank destroyer with 75 mm L/48 main gun) Jagdpanzer IV
SdKfz 162/1 (Panzer IV based tank destroyer with 75 mm L/70 main gun) Jagdpanzer IV
SdKfz 164 (Nashorn tank destroyer with 88 mm L/71 main gun)
SdKfz 165 (Hummel self-propelled 150 mm artillery)
SdKfz 165/1 (Heuschrecke 10 self-propelled 105 mm artillery)
SdKfz 166 (Brummbär self-propelled 150 mm infantry gun)
SdKfz 167 (StuG IV assault gun with 75 mm L/48 main gun)
SdKfz 171 (Panther tank main battle tank)
SdKfz 172 (Panther tank proposed assault gun variant)
SdKfz 173 (Jagdpanther tank destroyer)
SdKfz 179 (Panther tank recovery variant)
SdKfz 181 (Tiger I heavy tank)
SdKfz 182 (Tiger II heavy tank)
SdKfz 184 (Elefant tank destroyer)
SdKfz 185 (Jagdtiger tank destroyer with 88 mm L/71 main gun)
SdKfz 186 (Jagdtiger tank destroyer with 128 mm L/55 main gun)
SdKfz 205 (Panzer VIII Maus super heavy tank – only reached prototype stage)
SdKfz 221 (Leichter Panzerspähwagen with 7.92 mm machinegun)
SdKfz 222 (Leichter Panzerspähwagen with 20 mm L/55 main gun)
SdKfz 223 (Leichter Panzerspähwagen with radio gear)
SdKfz 231 6-rad (Schwerer Panzerspähwagen (6 wheel) with 20 mm L/55 main gun)
SdKfz 231 8-rad (Schwerer Panzerspähwagen (8 wheel) with 20 mm L/55 main gun)
SdKfz 232 6-rad (Schwerer Panzerspähwagen (6 wheel) with radio gear)
SdKfz 232 8-rad (Schwerer Panzerspähwagen (8 wheel) with radio gear)
SdKfz 233 (Schwerer Panzerspähwagen with 75 mm L/24 gun)
SdKfz 234 (Schwerer Panzerspähwagen)
SdKfz 234/1 (Schwerer Panzerspähwagen with 20 mm L/55 gun)
SdKfz 234/2 (Schwerer Panzerspähwagen with 50 mm L/60 gun)
SdKfz 234/3 (Schwerer Panzerspähwagen with 75 mm L/24 gun)
SdKfz 234/4 (Schwerer Panzerspähwagen with 75 mm L/46 gun)
SdKfz 247 (armored staff car)
SdKfz 250 (armored light halftrack)
SdKfz 250/1 (light armored halftrack with communications gear)
SdKfz 250/2 (light armored halftrack with cable-laying gear)
SdKfz 250/3 (light armored halftrack with radio gear)
SdKfz 250/4 (light armored halftrack with twin antiaircraft machineguns)
SdKfz 250/5 (light armored halftrack observation post)
SdKfz 250/6 (light armored halftrack reconnaissance vehicle)
SdKfz 250/7 (light armored halftrack mortar carrier)
SdKfz 250/8 (light armored halftrack with 75 mm L/24 gun)
SdKfz 250/9 (light armored halftrack with 20 mm L/55 gun)
SdKfz 250/10 (light armored halftrack with 37 mm antitank gun)
SdKfz 250/11 (light armored halftrack with 28 mm antitank gun)
SdKfz 250/12 (light armored halftrack for survey crews)
SdKfz 251 (medium armored halftrack)
SdKfz 251/1 (medium armored halftrack with communications gear)
SdKfz 251/2 (medium armored halftrack mortar carrier)
SdKfz 251/3 (medium armored halftrack with radio gear)
SdKfz 251/4 (medium armored halftrack tractor for infantry guns)
SdKfz 251/5 (medium armored halftrack for engineers)
SdKfz 251/6 (medium armored halftrack command post)
SdKfz 251/7 (medium armored halftrack for engineers)
SdKfz 251/8 (medium armored halftrack ambulance)
SdKfz 251/9 (medium armored halftrack with 75 mm L/24 gun)
SdKfz 251/10 (medium armored halftrack with 37 mm antitank gun)
SdKfz 251/11 (medium armored halftrack with telephone equipment)
SdKfz 251/12 (medium armored halftrack with survey gear)
SdKfz 251/13 (medium armored halftrack with artillery sound recording gear)
SdKfz 251/14 (medium armored halftrack with artillery sound ranging gear)
SdKfz 251/15 (medium armored halftrack with artillery flash spotting gear)
SdKfz 251/16 (medium armored halftrack with flamethrower)
SdKfz 251/17 (medium armored halftrack with 20 mm L/55 gun)
SdKfz 251/18 (medium armored halftrack observation post)
SdKfz 251/19 (medium armored halftrack with telephone exchange gear)
SdKfz 251/20 (medium armored halftrack with infrared searchlight)
SdKfz 251/21 (medium armored halftrack with triple MG151 15 mm or 20 mm guns)
SdKfz 251/22 (medium armored halftrack with 75 mm L/46 Pak-40 gun)
SdKfz 251/23 (medium armored halftrack reconnaissance vehicle)
SdKfz 252 (light halftrack ammunition carrier)
SdKfz 253 (light halftrack observation post)
SdKfz 254 (medium track or wheel observation post)
SdKfz 260 (light armored radio car)
SdKfz 261 (light armored radio car)
SdKfz 263 6-rad (heavy armored radio car – 6 wheel)
SdKfz 263 8-rad (heavy armored radio car – 8 wheel)
SdKfz 265 (Panzer I command tank)
SdKfz 266 (Panzer III command tanks with FuG 6 and FuG 2 radios)
SdKfz 267 (Panzer III, Panther tank, and Tiger I command tanks with FuG 6 and FuG 8 radios)
SdKfz 268 (Panzer III, Panther tank, and Tiger I command tanks with FuG 6 and FuG 7 radios)
SdKfz 300 (Minenräumwagen remote-control mine destroyer)
SdKfz 301 (Borgward B IV heavy remote-control demolition layer)
SdKfz 302 (Goliath vehicle light remote-control demolition vehicle)
SdKfz 303 (Goliath vehicle light remote-control demolition vehicle)
SdKfz 304 (Springer vehicle medium remote-control demolition vehicle)
É isso aí !!!

Legal, muito bem pesquisado e resumido! Valeu
Marcos:
Bacana, né? Nem eu imaginava que existia essa quantidade de variações. Vai ajudar a acabar cm as dúvidas e com as disussões.
Abraço !!!