

Generac 5826/5871 10kW Guardian LP/NG Standby Generator w/ 100 Amp Smart Transfer Switch New
- Brand
- Generac
- GTIN
- 696471058710
- Condition
- new
- Category
- Generators
Shipping & delivery estimate
Free standard shipping to all 50 US states. Orders dispatch within 1–2 business days and typically arrive within 3–7 business days. Oversized items (generators, lifts) ship via freight carrier — a representative will call to schedule delivery.
Returns & refunds
Not satisfied? Return any unused item in its original packaging within 30 days for a full refund. Returns are free — see our full returns policy.
Product description

| 5 year factory warranty | |
| Brand new and manufacturer direct | |
| Includes 50 amp automatic transfer switch | |
| Ships directly from Generac | |
| Works with liquid propane or natural gas | |
| Authorized Generac dealer |
What’s In the Box:
- Generac Guardian/Centurion 10kw Standby generator
- 50 amp automatic transfer switch
- Aluminum or steel enclosure
- Manual
- Displacement: 530 cc
- Fuel: Required fuel pressure to generator fuel inlet at all load ranges – 5 to 7 inches of water column for natural gas, 11 to 14 inches of water column for LP gas ; Outputs are based upon natural gas value: @ 1000 Btu per cubic feet and 2520 Btu per cubic feet with LP; @ 35,314.7 Btu per cubic meter and 88,993 Btu per cubic meter with LP
- Governor: (System) Electronic
- Ignition: (System) Solid-state w/ Magneto
- Oil Capacity: (Including Filter, Quarts/Liters) Approx. 1.7 qt/1.6 L
- RPM: (Operating) 3,600 rpm
- Starter: 12 Vdc
- Type of Engine: GENERAC OHVI V-TWIN
- Valves: (Arrangement) Overhead Valve
- Compression Ratio: 9.5:1
- Cylinders: (Number of) 2 ; (Block) Aluminum w/ Cast Iron Sleeve
- Generac® Transfer Switches. Long life and reliability are synonymous with Generac Power Systems. One reason for this confidence is that the GENERAC product line includes its own transfer systems and controls for total system compatibility.
- Innovative Design & Prototype Testing are key components of GENERAC’S success in “Improving power by design.†But it doesn’t stop there. Total commitment to component testing, reliability testing, environmental testing, destruction and life testing, plus testing to applicable CSA, NEMA, EGSA, and other standards, allows you to choose Generac Power Systems with the confidence that these systems will provide superior performance.
- Single Source Service Response from Generac’s extensive dealer network provides parts and service know-how for the entire unit, from the engine to the smallest electronic component.
- Solid-State, Frequency Compensated Voltage Regulation. This state-of-the-art power maximizing regulation system is standard on all Generac models. It provides optimized FAST RESPONSE to changing load conditions and MAXIMUM MOTOR STARTING CAPABILITY by electronically torque-matching the surge loads to the engine. Digital voltage regulation at ±1%.
- Test Criteria: Prototype Tested, Nema Mg1-22 Evaluation, System Torsional Tested, Motor Starting Ability
- True Powerâ„¢ Electrical Technology: Superior harmonics and sine wave form produce less than 5% Total Harmonic Distortion for utility quality power. This allows confident operation of sensitive electronic equipment and micro-chip based appliances, such as variable speed HVAC systems.
- Main circuit breaker: (Line) 50 Amp
- Rated Power: Rated Maximum Continuous Power Capacity (LP) 10,000 Watts ; Rated Maximum Continuous Power Capacity (NG) 10,000 Watts
- Dimensions (LxWxH): (in/mm) 48 x 25 x 29/1218 x 638 x 732
- Max. Load: Rated Maximum Continuous Load Current – 240 Volts (LP/NG) – 45.8/41.7
- Rated AC Output: (Frequency) 60 Hz
- Weight: (lb/kg) 407/184.6
- Fuel Consumption: (Natural Gas – cu.ft./hr.(cu.meters/hr.)): ; 1/2 Load – 124 (3.51); Full Load – 195 (5.52); (Liquid Propane – ft3/hr (gal/hr) [l/hr]: ; 1/2 Load – 42.8 (1.18) [4.45]; Full Load – 70 (1.92) [7.28]
- Number of: (Rotor Poles) 2
- Output: (Sound output in dB(A) at 23 ft (7 m) with generator operating at normal load) 63
- Phase: 1
- Power: (Factor) 1
- Rated Voltage: 240
- Battery: Requirement (not included) Group 26R, 12 Volts and 525 CCA Minimum
Specifications
- Brand
- Generac
- GTIN
- 696471058710
- Condition
- new
- Availability
- In stock
- Price
- $1,400.00
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Frequently asked questions
Is this item in stock and ready to ship?+
In-stock items dispatch within 1–2 business days. If an item is out of stock it will be clearly marked on the product page.
Does it come with a warranty?+
Yes — every product is new and includes the manufacturer's standard warranty.
Can I return it if it's not right?+
You have 30 days to return unused items in original packaging for a full refund. Returns are free.