World War II
- 1940 Dodge VC series — Pre-production run
- 1940 Bantam Pilot — Prototype
- 1940 Bantam BRC-60 — Prototypes
- 1940 Willys Quad — Prototype
- 1940 Ford Pygmy — Prototype
- 1940 Budd Ford — Prototype
- 1941 Dodge 1/2-ton WC series
- 1941 Bantam BRC-40 – pre-production models
- 1941 Ford GP – pre-production models
- 1941 Willys MA – pre-production models
- 1941 Willys T13/T14 'Super Jeep' – experimental MB stretched to 6x6, and armed with a 37 mm gun motor carriage. Although cancelled in favor of the M6 gun motor carriage, the T14 was developed into the MT-TUG cargo/prime mover.
- 1941–1944 Willys MT "Super Jeep" — experimental 6x6, 3⁄4-ton prototype — a small number were built in various configurations. [1] Although performance was excellent, the MT was deemed "surplus to requirements" and cancelled in favor of existing 3⁄4-ton and 1 1⁄2-ton trucks.
- 1942 Willys MB (slat grille)
- 1942 T24 Scout Car – MT-based armored car. Although it performed well in trials, the T24 was abandoned in favor of the M8 and M20 Light Armored Car.
- 1942–1943 Ford GTB 11⁄2-ton 4x4 'Burma Jeep'
- 1942–1945 Ford GPW
- 1942–1945 Willys MB (stamped grille)
- 1943 Willys T28 – half-track based on the MT
- 1943 Willys WAC (for 'Willys Air Cooled') "Jeeplet" — prototype for a super light-weight, fulltime 4WD with front and rear independent suspension [1]
- 1944 Willys MLW-1 (for 'Military Long Wheelbase') — prototype (never finished)
- 1944 Willys MLW-2 (for 'Military Long Wheelbase') or "Jungle Jeep" — prototype for a half-ton, jungle-suited jeeps [1]
