The SM.82 Marsupiale was Heavy bomber/transport 
Manufacturer Savoia-Marchetti 
First flight 1939 
Introduced 1940 
Retired After 1960 
Primary users Regia Aeronautica
Luftwaffe
Aeronautica Nazionale Repubblicana
Aeronautica Militare 
Produced 1939-1944 
Number built about 720 
  SM.82 (Bomber) 
With a bombardier's gondola and bomb racks. 68 aircraft were ordered, and others were modified to this standard, at least partially. 
SM.82 Carro armato 
Four aircraft were modified to carry the L3/35 light tank. 
SM.82 Trasporto caccia 
With modified ventral doors to accommodate a disassembled FIAT CR.32, then adapted for a FIAT CR.42. Only two aircraft (MM.60293 and  MM.60294) were so ordered, and when used to deliver the aircraft to East Africa (a total of 51 aircraft) were fitted with two auxiliary fuel tanks (1,300 L/340 US gal each), and one additional oil tank (200 L/50 US gal). 
SM.82 Trasporto motori 
Two aircraft used to transport aircraft engines (MM.60290 and MM.60292) to Africa. 
SM.82P 
21 aircraft of the VIII series, modified for the use of paratroops. 
SM.82 tanker 
Two aircraft to transport up to 3,000 L (790 US gal) of fuel. Weight: 11,300-18,700 kg (24,910-41,230 lb). 
SM.82bis 
80 aircraft of series VIII, for night bombing, with 887 kW (1,190 hp) Piaggio P.IX engines. They were also fitted with the AR.128 engine, some in the S.82P and the S.82T versions. 
SM.82 LATI 
For international airlines. With ten seats, automatic pilot, toilet, enhanced radios, two additional fuel tanks of 653 L (173 US gal) each increased the range to 4,800 km (2,983 mi) at 250 km/h (155 mph). Maximum weight: 19,000 kg (41,888 lb). Only a few were built. 
SM.82LW 
Version for the Luftwaffe, with turrets and radios. 231 were in service in early 1944 in the "Savoia Gruppen", and were widely used in long range or heavy bombing missions. 
S.82PD 
An SM.75 modified for distance records, with 333 km/h (207 mph) over 1,000 km (620 mi) and 1,000 kg (2,200 lb), and 12,937 km (8,039 mi) in 57 h 32 min on 30 July-1 August 1939. 
S.82PW 
20 S.82s modified postwar with Pratt & Whitney R-1830 engines. Weight 12,100/18,700 kg (26,680/41,230 lb), max speed 381 km/h (237 mph), ceiling 6,000 m (19,690 ft). They served until 3 August 1960, and MM.61187 is preserved in its silver postwar colour scheme, in the Italian Air Force Museum at Vigna di Valle.