| Tank, Heavy Assault, A33 (Excelsior) | |
|---|---|
 | |
| Type | Assault tank/infantry tank |
| Place of origin | United Kingdom |
| Production history | |
| Manufacturer | English Electric |
| No. built | 2 |
| Specifications (Second pilot) | |
| Mass | 40 tons |
| Length | 22 ft 8 in (6.91 m) |
| Width | 11 ft 2 in (3.40 m) |
| Height | 7 ft 11 in (2.41 m) |
| Crew | 5 (Commander, gunner, loader, driver, co-driver) |
| Armour | 20 to 114 mm (0.79 to 4.49 in) |
Main armament | Ordnance QF 75 mm 64 rounds |
Secondary armament | 2 x 7.92 mm Besa machine gun |
| Engine | Rolls-Royce Meteor V12 petrol 620 bhp (460 kW) |
| Suspension | Improved Christie |
Operational range | 99 mi (160 km) |
| Maximum speed | 24 mph (39 km/h) off-road: 12 mph (19 km/h) |
The Tank, Heavy Assault, A33 (Excelsior) was a British experimental heavy tank based on the Cromwell (A27) design developed in the Second World War. It was developed when there were concerns as to performance of the Churchill tank.