Beech B 60 Duke pressurized (prior to 1978) performance and specifications

Horsepower: 380 Gross Weight: 6775 lbs
Top Speed: 246 kts Empty Weight: 4425 lbs
Cruise Speed: 233 kts Fuel Capacity: 142.00 gal
Stall Speed (dirty): 73 kts Range: 1010 nm
 
Takeoff Landing
Ground Roll: 2006 ft Ground Roll 1318 ft
Over 50 ft obstacle: 2626 ft Over 50 ft obstacle: 3065 ft
 
Rate Of Climb: 1601 fpm Rate of Climb (One Engine): 307 fpm
Ceiling: 30000 ft Ceiling (One Engine): 15100 ft