| Country : | Germany |
| Role : | Assault Gun |
| Production Date : | August 1944 |
| Manufacturer : | Alkett |
| Number Produced : | 18 |
| Crew : | 5 |
| Radio : | FuG 5 |
| Road Speed : | 38 Kilometers per Hour |
| Rough Speed : | 16 Kilometers per Hour |
| Road Range: | 120 Kilometers |
| Off-Road Range: | 85 Kilometers |
| Engine Name: | Maybach HL 230 P45 |
| Coolant : | Water |
| Cylinders: | V-12 |
| Capacity: | 23.1 Liters |
| Power : | 700 hp @ 3000 rpm |
| Power / Weight Ratio : | 10.77 hp per tonne |
| Transmission : | Maybach-Olvar 401216 Preselector |
| Gears : | 8 Forward / 4 Reverse |
| Suspenion : | Torsion Bar |
| Fuel Type : | Gasoline |
| Fuel Capacity: | 540 Liters |
| Road Consumption: | 4.5 Liters per Kilometer |
| Off-Road Consumption: | 6.35 Liters per Kilometer |
| Length : | 6.28 meters |
| Height : | 2.85 meters |
| Width : | 3.57 meters |
| Weight : | 65000 kilograms |
| Ground Clearance : | 47 centimeters |
| Ground Pressure : | 1.24 kg/cm² |
| Track Links : | 96 per track |
| Track Width : | 72.5 centimeters |
| Track Ground Contact : | 381 centimeters |
| Gradiant : | 35° |
| Vertical Obsticle : | 0.79 meters |
| Fording Depth : | 1.56 meters |
| Trench Crossing : | 2.29 meters |
| Turning Radius : | 7 meters |
| Main Gun : | 380mm StuM RW61 L / 5.4 |
| Gunsight : | ZF 3x8 |
| Primary Magnification : | 3x magnification / 8° Field of View |
| Traverse : | 20° (Hydrolic) |
| Elevation : | +85° / -0° |
| Main Gun Ammo : | 14 |
| Secondary Weapons : | 1x 7.92mm MG34 (Bow - 600 rounds) |
| Hull Front (Upper) : | 150mm @ 45° |
| Hull Front (Lower) : | 100mm @ 65° |
| Hull Sides (Upper) : | 80mm @ 60° & 90° |
| Hull Sides (Lower) : | 60mm @ 80° |
| Hull Rear : | 80mm @ 90° |
| Hull Top : | 25mm - 40mm @ 0° |
| Hull Bottom : | 25mm @ 0° |
| Turret Front : | None |
| Turret Mantlet : | None |
| Turret Sides : | None |
| Turret Rear : | None |
| Turret Top : | None |