AKA: MSBS M4-2. Status: Active. Thrust: 300.00 kN (67,440 lbf). Gross mass: 8,800 kg (19,400 lb). Unfuelled mass: 800 kg (1,760 lb). Burn time: 70 s. Height: 2.00 m (6.50 ft). Diameter: 1.93 m (6.33 ft).