United States and South Vietnamese Forces:
1. Jeeps: The ubiquitous Jeep was used extensively for transportation, reconnaissance, and combat. The M151 MUTT (Military Utility Tactical Truck) was a popular model used during the war.
2. Trucks: A variety of trucks were used, including the M35 2.5-ton cargo truck, the M54 5-ton cargo truck, and the M151A2 light utility truck.
3. Armored Personnel Carriers (APCs): APCs provided protected transportation for troops on the battlefield. Popular models included the M113 armored personnel carrier and the M59 APC.
4. Tanks: The United States used several types of tanks in Vietnam, including the M48 Patton, the M60 Patton, and the M551 Sheridan light tank.
5. Helicopters: Helicopters were essential for troop transport, medical evacuations (MEDEVAC), and combat operations. The UH-1 "Huey" and the CH-47 "Chinook" were widely used.
6. Aircraft: The United States employed various fixed-wing aircraft for combat, transport, and reconnaissance missions. These included the F-4 Phantom II fighter-bomber, the F-105 Thunderchief fighter-bomber, and the C-130 Hercules transport aircraft.
North Vietnamese and Viet Cong Forces:
1. Bicycles: Bicycles were widely used by the North Vietnamese and Viet Cong for transportation and infiltration. They were often used to transport supplies and weapons along the Ho Chi Minh Trail.
2. Civilian Vehicles: The North Vietnamese and Viet Cong also used captured or commandeered civilian vehicles, including trucks, cars, and motorcycles.
3. Motorboats and Sampans: These watercraft were used for transportation and infiltration along rivers and canals.
4. Tanks and Armored Vehicles: The North Vietnamese used a limited number of tanks and armored vehicles, such as the T-54/55 tanks and the PT-76 light tanks.
5. Anti-Aircraft Artillery (AAA): The North Vietnamese employed various AAA systems, including the ZPU-2 and ZPU-4 quad 14.5mm anti-aircraft guns.
It's worth noting that the United States also provided significant military assistance to South Vietnam, which included the supply of vehicles, weapons, and equipment.