| Year | March 1944 |
| Vehicle Type | [@type] |
| Origin & Designer | [@designer] |
| Numbers Produced | 109 |
| Crew | 6 |
| Armament | 1 x .30 cal M2HB Heavy Machine Gun |
| Ammunition Carried | 600 x .50 cal |
| Pay Load | [@pay_load] |
| Towed Load | [@towed_load] |
| Weight | 27.216 kg |
| Height | 2.21m |
| Width | 2.71m |
| Length | 5.63m |
| Ground Clearance | 0.43m |
| Fording Depth | 1.0m |
| Obstacle Clearance | 0.61m |
| Climbing Ability | 31° |
| Radio | [@radio] |
| Armour | Hull Gun Mantlet: 89mm. Upper Hull Front: 51mm. Lower Hull Front: 51mm. Upper Hull Sides: 38mm. Lower Hull Sides: 38mm. Hull Rear: 38mm. Hull Top: 25mm. Hull Bottom: 13mm. |
| Engine | Continental R975 C1 (Petrol) |
| Transmission | 5 Forward & 1 Reverse |
| Maximum Road Range | 119 miles (193 km) |
| Maximum Cross Country Range | 87 miles (140 km) |
| Maximum Road Speed | 21 mph (34 kph) |
| Maximum Road Speed + Trailer | [@maximum_road_speed_trailer] |
| Maximum Cross Country Speed | 16 mph (25 kph) |
| Maximum Road Towing Speed | [@maximum_road_towing_speed] |
| Variants | [@variants] |
| Notes | The M33 was based on the chassis of the M3 medium tank. It first served in Italy and later in a small extent in northern Europe. And was replaced by the M6 tractor. It was used to tow the 8in M1 Gun and 240mm M1 Howitzer. |