| Year | January 1945 |
| Vehicle Type | [@type] |
| Origin & Designer | [@designer] |
| Numbers Produced | 48 + 24 Co |
| Crew | 8 (Commander, Gunner, Two Loaders, Two Ammunition Bearers, Radio Operator & Driver) |
| Main Armament | 1 x 8-Inch L/25 M1 or M2 Howitzer |
| Main Armament | [@sponson_traverse] |
| Elevation | -5° to +45° |
| Turret Traverse | 36° Left & Right (Manual) |
| Gun Traverse | [@gun_traverse] |
| Gun Mount | [@gun_mounts] |
| Maximum Range | [@maximum_range] |
| Armour Penetration | [@armour_penetration] |
| Gun Sight | 7.12m |
| Secondary Armament | None |
| Smoke Discharger | [@smoke_discharger] |
| Ammunition Carried | 16 x 203mm |
| Height | 3.30m |
| Width | 3.15m |
| Length | 7.12m |
| Combat Weight | 23.000 kg |
| Ground Clearance | 0.43m |
| Fording Depth | 1.20m |
| Trench Crossing | 2.30m |
| Obstacle Clearance | 0.61m |
| Climbing Ability | 30° |
| Radio | SCR 619 |
| Armour | Upper Hull Front: 13mm. Lower Hull Front: 13mm. Upper Hull Sides: 13mm. Lower Hull Sides: 25mm. Hull Rear: 13mm. Hull Top: 13mm. Hull Bottom: 13mm. Open Gun Compartment. |
| Engine | Continental R975 C4 (Petrol) |
| Transmission | 5 Forward & 1 Reverse |
| Maximum Road Range | 116 miles (187 km) |
| Maximum Cross Country Range | 80 miles (130 km) |
| Maximum Water Range | [@maximum_water_range] |
| Maximum Road Speed | 34 mph (24 kph) |
| Maximum Cross Country Speed | 21 mph (34 kph) |
| Maximum Water Speed | [@maximum_water_speed] |
| Variants | [@variants] |
| Notes | The M43 was identical to the M40 with the 155mm gun being replaced by the 8in Howitzer. Only 48 were built including 24 converted M40s. It came too late to see action in World War Two but was used extensively during the Korean War. |