SKU: 88169899848

Generac XG04045ANAX 45kW LC Single Phase Automatic Standby Generator

$10529.55 $11699.50
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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31

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Description

Generac XG04045ANAX 45kW LC Single Phase Automatic Standby GeneratorProduct Downloads Brochure Specifications Owner's Manual Wi Fi Manual Warranty Features Power Zone 410 Controller, NFPA 110 Capable Cellular Connectivity for Mobile Link and Fleet Quiet Operation Corrosion Resistant Enclosure & Frame 5 Year 2,000 Hour Limited Warranty Hi Motor Starting, Surge Capacity Fuel Efficiency Controller Selectable Fuel Type Natural Gas or Propane Vapor 1 Phase or Configurable 3 Phase Voltage Output Single Side Regular

Product Downloads

Brochure

Specifications

Owner's Manual

Wi-Fi Manual

Warranty

Features
  • Power Zone 410 Controller, NFPA 110 Capable
  • Cellular Connectivity for Mobile Link and Fleet
  • Quiet Operation
  • Corrosion Resistant Enclosure & Frame
  • 5 Year/2,000 Hour Limited Warranty
  • Hi Motor Starting, Surge Capacity
  • Fuel Efficiency
  • Controller-Selectable Fuel Type - Natural Gas or Propane Vapor
  • 1-Phase or Configurable 3-Phase Voltage Output
  • Single-Side Regular Maintenance Access
  • EPA & SCAQMD Exhaust Emissions Certified
  • As close as 18 in (457 mm) offset distance from structure
What's in The Box
  • 45kW LC Automatic Standby Generator 1-Phase- XG04045ANAX
  • Owners Manual
Warranty
  • 5-Year Limited Factory Warranty
  • 30 Day Satisfaction Guaranteed
Specifications
SKU XG04045ANAX
Brand Generac
Generator Output
Voltage XG03245 XG04045
Natural Gas Liquid Propane
Power (kW) Current (A) Power (kW) Current (A)
120/240 1–Phase 32 133 32 133 40 40 139
208/120 3–Phase 32 111 32 111 40 40 120
240/120 3–Phase 32 32 40 40
480/277 3–Phase 32 32 40 40
Voltage Regulation
Type Electronic
Sensing All Phases
Regulation +- 1 percent
Governor Specifications
Type Electronic
Frequency Regulation Isochronous
Steady State Regulation +- 25 percent
Alternator System Specifications
XG03245 XG04045
1-Phase 3-Phase 1-Phase 3-Phase
Voltage Output 120/240 V Only 208/120 V; Configurable for 480/277 or 240/120 V with Optional Field-Installable VCC 120/240 V Only 208/120 V; Configurable for 480/277 or 240/120 V with Optional Field-Installable VCC
Circuit Breaker (CB) Size 150 A Not Included; Optional Field-Installable Kit 200 A Not Included; Optional Field-Installable Kit
Type Synchronous Synchronous
Rotor Insulation Class F F
Stator Insulation Class H H
Telephone Interference Factor (TIF) < 50 < 50
Bearings Sealed Ball Sealed Ball
Coupling Flexible Disc Flexible Disc
Excitation System Direct Direct
Engine Specifications
XG03245 XG04045
Make Generac
Model Inline 4 Cylinder
Cylinders 4
Displacement (L) 4.5
Bore 4.5 in
Stroke 4.25 in
Compression Ratio 9.9:1
Lifter Type Hydraulic
Intake Air System Naturally Aspirated
Temperature Derate 1.5% per every 5°C above 25°C (1.65% per every 10°F above 77°F)
Altitude Derate 1% per every 100 m above 183 m (3% per every 1000 ft above 600 ft)
Exercise Speed (RPM) 1,200
Operating Speed (RPM) 1,800
Cooling System
XG03245 XG04045
Coolant 50/50 (50% Ethylene Glycol)
Coolant System Capacity (L (US gal)) 11 (2.9)
Water Pump Belt–Driven
Fan Type Mechanical
Fan Quantity 1
Maximum Ambient Air Temperature (C (F)) 50 (122)
Fuel Types
XG03245 XG04045
Natural Gas Yes
NG Pressure (kPa (in. WC)) 0.87 – 3.48 (3.5 – 14)
Liquid Propane Yes
LP Vapor Pressue (kPa (in. WC)) 1.74 – 3.48 (7–14)
Fuel Type Configuration Controller-Selected
Fuel Shutoff Solenoid Standard, Dual
Fuel Consumption
Rated Load XG03245 XG04045
Natural Gas Liquid Propane Natural Gas Liquid Propane
(m3/h) (CFH) (m3/h) (CFH) (m3/h) (CFH) (m3/h) (CFH)
25% 4.8 169 8.3 2.2 5.2 184 10 2.6
50% 6.8 240 12.9 3.4 8.2 289 14.5 3.8
75% 9.5 335 15.8 4.2 11.1 392 17.7 4.7
100% 11.5 406 18.5 4.9 14 494 21.7 5.7
Electrical System
System Voltage 12
Battery Charge Alternator (A) 37
Battery Charger (A) 5
Recommended Battery (not included) Group 27R, 725 CCA Minimum
Maximum Allowable Battery Group 31R
GENERAC GUARDIAN SERIES 20KW GENERATOR FEATURES AND BENEFITS
This generator provides essential circuit power protection for your home during a power outage, ensuring that essential appliances maintain power. This standby generator is automatic and offers protection year-round, for less than the cost of central air conditioning.
Every Guardian Series home standby generator comes with Mobile Link™ Remote Monitoring. Remote Monitoring is FREE, and allows you to monitor the status of your generator from anywhere in the world. Use a smartphone, PC, or tablet to access generator information, such as the current operating status and maintenance alerts. By connecting your account you have access to authorized service dealers for fast, friendly, and proactive service.
Generac generators are ideal for weathering storms and power outages. Their automatic backup power gives you piece of mind that your home and appliances are protected.
Generac generators and engines are designed, engineered and assembled in the USA using domestic and foreign parts.
The Generac G-Force Engine is built to handle the stressors of generator use. This results in power that’s more reliable and requires less routine maintenance than competitor engines. Generac’s new G-Force engine is purpose built and pressure-lubricated. It features hydraulic lifters, which improve engine performance and extending the life of the product. (Hydraulic lifters only available on the 13 & 16 kW.)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 88169899848

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4.5 ★★★★★
Based on 7 reviews
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Product Reviews
F
Verified Purchase
frequentbuyer
Whiting, US
★★★★★ 4
Stylish and affordable!
Color: Grey, Size: 4 Pack, Color: Grey, Size: 4 Pack
These shelves are rey stylish, light and durable! The set came with everything needed to install. The color is just as described. Price is steal and these shelves can definitely be used anywhere throughout the house. I did give it only 4 stars because as you can see in the photos, the underneath was not completely finished. Decided to keep because the price was unbeatable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
T
Verified Purchase
todd
West Palm Beach, US
★★★★★ 5
Great shelves
Color: Mahogany, Size: 2 Pack
Love these! Easy install and they look great. Very sturdy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
H
Verified Purchase
Hannah
New York, US
★★★★★ 5
Easy to Hang
Color: Black, Size: 3 Pack
This shelf is easy to hang, comes with great anchors and looks perfect. The quality looks nice and is was an easy hanging process compared to other shelves. Worth it for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
B
Verified Purchase
B from RI
Los Angeles, US
★★★★★ 5
One of the best deals available!
Color: White, Size: 2 Pack
Extremely sturdy, good looking and easy to install. I have a couple of dozen feet of assorted lengths in the kitchen, bedroom, living room and foyer. Holding all sorts of antique clocks, audio equipment and cooking stuff from my flours and assorted cornmeals to cases of powdered “lemonade”.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
J
Verified Purchase
JJW
Waukegan, US
★★★★★ 3
Mounting system doesn’t align on one of three shelves.
Color: Walnut, Size: 3 Pack
Nice shelves. Install was super easy except on one of the three shelves. The main mounting shelf holes were off so the shelf will not slip onto horizontal mounting poles unless I modify the shelf. So a 20 minute job becomes a two hour job. The mounting system does appear very sturdy just not aligned.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2026

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