Generac 6551 Guardian 22kW Standby Generator New w/ 200 Amp Automatic Transfer Switch New

  • Model: Generac
  • SKU: 6551N
Generac 6551 Guardian 22kW Standby Generator New w/ 200 Amp Automatic Transfer Switch New
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To place an order over the phone or for immediate assistance, please call (888) 978-4993. For after hours sales please call (888) 999-1522.

Generac Authorized Dealer

Manufacturer Refurbished 5 year factory warranty
Manufacturer Refurbished Includes NEMA 200 Amp Transfer Switch
Manufacturer Refurbished Brand new in box
Manufacturer Refurbished Ships directly from Generac
Manufacturer Refurbished Works with liquid propane or natural gas
Manufacturer Refurbished Authorized Generac dealer

What's In the Box:

  • Generac 6551 22kw Standby generator
  • 200 Amp NEMA 3 (indoor / outdoor rated) whole house automatic transfer switch
  • Aluminum enclosure
  • Owner's manual

                 • True Power™ Electrical Technology

                • Two Line LCD Multilingual Digital Evolution™ Controller (English/Spanish/ French/Portuguese)

                • 200 Amp Automatic Transfer Switch.

                • Electronic Governor

                • External Main Circuit Breaker, System Status & Maintenance Interval LED Indicators

                • GFCI Duplex Outlet

                • Sound Attenuated Enclosure

                • Flexible Fuel Line Connector • Composite Mounting Pad

                • Natural Gas or LP Gas Operation


                Full Spec Sheet



                Engine Brand Generac OHVI
                Displacement(cc) 999cc

                Residential Warranty 5 Years
                Commercial Warranty 5 Years
                Engine 5 Years

                Voltage 120/240V
                Oil Capacity 1.9 Quarts
                Cylinders 2

                Length (in.) 48 inches
                Width (in.) 25.3 inches
                Height (in.) 29 inches
                Weight (lbs.) 526 lbs.

                Engine Specification
                Low Oil Sensor Yes
                Compression Ratio 9.5:1
                Fuel Consumption Natural Gas: 184 cu. ft / hr - Half Load
                281 cu. ft / hr - Full Load
                Liquid Propane: 83 cu. ft / hr - Half Load
                127 cu. ft / hr - Full Load

                AC Max. Output 22,000 Watts Liquid Propane
                19,500 Watts Natural Gas

                Emission, Vibration and Noise
                Noise Level 67 dB(A) at 23 ft. with generator operating at normal load

                Transfer Switch Fully Automatic - 2 Pole, 200 Amp, 250 VAC contactors, NEMA/UL 3R aluminum and copper enclosure

                As as authorized Generac dealer, this item comes with a 5 year factory warranty.

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