Model MSP440 & MSP435 Engine MSP440: 34 HP Turbo Charged Vanguard Diesel MSP435: 34 HP Vanguard Gas Dimensions (L x W x H) 100 in 50 in x 57 in (254 x 127 x 145 cm) Panning Path Width 95 in (241 cm) Rotors (Diameter) 46 in (1,168 mm) 5-Bladed Spider Maximum Rotor Speed 155 RPM Weight MSP440: 1,394 lbs (632 kilos) MSP435: 1,341 lbs (608 kilos) Steering Power Cruise Control No Fuel /Retardant Capacity 6 gal (23 lit)