The Thrush 550P has set the ag industry standard for tough dependability.  It’s renowned for its solidly rugged construction and revered for its simplified systems and worry-free low maintenance. Its wide-stance spring landing gear is capable of absorbing 8800 pounds on short, rough strips and optional spring steel landing gear can be added to increase weight for take off and landings. And it brings you a 29,000 hour Wing Spar Life and a 550 gallon clear-view hopper. Take off in this, and you can check off whatever is on your “to do” list today.

  • Features
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  • Specifications
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  • Standard Equipment
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  • Options
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  • Unmatched stability and control
  •  Wire strike protection is standard
  • 365 square feet of wing area
  • Powder-coated airframe
  • 29,000 hour wing spar life
  • Rugged 18ft long stainless steel belly skins
  • Chromate chemical conversion on each aluminum part
  • Stress relieves all stress steel parts including engine mount, wing attach tubes and landing attach point
  • Stainless steel cam locks, studs and grommets
  • Premium purchases parts
  • Best warranty in the business: 1 year on all Thrush manufactured parts
• Length 32 feet 4 inches 9.854 meters
• Height 10 feet 3.05 meters
• Wing Span 47 feet 6 inches 14.478 meters
• Width of Main Landing Gear 10 feet 3.05 meters
• Fuel Capacity 228 gallons 863 liters
• Empty Weight 5,400 pounds 2,450 kilograms
• Typical Operating Weight 10,500 pounds 4,763 kilograms
• Hopper Capacity (Dry) 74 cubic feet 2.10 cubic meters
• Hopper Capacity (Liquid) 550 gallons 2,082 liters
• Working Speeds 90-150 mph 145-241 kph
• Stall Speed Flaps/No Flaps 84/88 mph 135/142 kph
• VNE 220 mph 355 kph
• Sea Level Rate of Climb at 10,500 lbs 750 fpm 229 mpm
• Take-Off Distance at 10,500 lbs 1,077 feet 328 meters
• Landing Distance as Usually Landed 600 feet 182.8 meters
• Landing Distance as Usually Landed
400 feet 121.9 meters
• Fuel Consumption 65-70 gph 246-265 lph
• Cruising Speed at 55% Power 150 mph 241 kph
• Ferry Range at 55% power and
  150 mph at 7,500 feet
648 miles 1,043 kilometers

Note: These performance numbers are preliminary in nature and are subject to change. Please call Thrush Aircraft or visit us online for the very latest specifications on the 550P.

Standard Equipment

The standard 550P is equipped with the Pratt & Whitney PT6A-60AG (1,050 SHP) turboprop engine; 5-blade 111-inch constant-speed Hartzell propeller; 550-gallon fiberglass hopper; 250-amp starter/generator; spray system with 41-inch stainless steel gatebox (seeding and fertilizer) and emergency liquid dump capabilities; Sherwin-Williams JETGLO paint; three-inch stainless steel spray system; five-blade Weath-Aero cockpit adjustable fan; three-inch side loader; streamlined aluminum booms with wingtip navigation and strobe lights; 228-gallon fuel system; windshield wiper and washer; outside air temperature gauge; AM SAFE Seat Belt Airbags; 29-inch-high flotation tires and wheels with dual caliper Cleveland brakes; and Zee air conditioner and cabin heat.

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  • The Thrush 550P is available with the following optional airframe equipment installed at the factory: Dual cockpit, dual control instrument panel with observer’s seat, an observer’s seat, vortex generators, bubble windows, fire extinguisher, single-point refueling, and a ferry fuel system.
  • The following dispersal equipment is also available as options: Smoker, stainless steel spreader, Transland hydraulic fire gatebox, electric fan brake 111F, hopper rinse system, stainless steel booms, hopper level indicator, and CP, Davidson and 4664 nozzle on request.  
  • And, every 510P has the following optional instruments, electrical, and avionics installations available as well: Left and right wing landing lights, night working light, leading edge light, clock, map light, Garmin GPS/VHF/430 Comm, transponder, Garmin SL-40 Comm/Nav, Mid-Continent Instruments turn & bank indicator, United Instruments vertical speed indicator, Kelly Manufacturing directional gyro, Kelly Manufacturing artificial horizon, Ag Laser laser altimeter, Ameri-King blind encoder, Kenwood HF radio, and an Ameri-King 40g Mhz ELT.

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Why We′re Better. Period.



Pratt & Whitney PT6A-60AG

Hopper capacity - liquid
550 Gallons (2,081 liters)

Hopper capacity – dry
66 cu ft (1.93 cu meters)

Typical operating weight
10,500 lbs (4,763 kg)

Takeoff distance at 10,500 lbs
1,077 ft  (328 m)

Landing distance - w/reverse
400 ft (122 m)

Cruising speed at 55% power
150 mph (241 kph)

Ferry range at 45% power
770 sm (1,238 km)