SKU: 88169899848

Generac XG04045ANAX 45kW LC Single Phase Automatic Standby Generator

$10529.55 $11699.50
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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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4.8 ★★★★★
Based on 12 reviews
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Product Reviews
L
Verified Purchase
LiLi Conway
Omaha, US
★★★★★ 4
A must have for my little puppers
Size: Small (Pack of 1), Style: Monkey
Bought this for a Chihuahua. He came from a bad situation that gave him screaming dreams of terror in the middle of the night, waking up, screaming. I would find him frozen in absolute terror. Poor dude. Now, he seems full of rage, and I get it because I know half of his story. And we love him anyway. He has 2 big brothers that will help show him the way, living his best life ever! Long story short; I first started buying this Petstages toy many years ago for my blind MinPin. Seeing it still, out here for sale always puts a smile on my face. Back then, they were a better quality. Now-a-days, the material around the squeaky is on the loose side, making it easier to destroy when my big dogs get it. Still, it brings back wonderful memories, is soft for a small dog that doesn’t destroy his things, it squeaks and they are usually loud (which is a must have, if you ask me), and it is cute to boot!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2025
D
Verified Purchase
Debbie Kielan
Omaha, US
★★★★★ 1
Had big hole in it
Color: Perching Perfection, Size: 7.5" x 6.75" x 6"
This toy had a hole in it when I got it. Like they missed a seam. I meant to return it. But I had a lot going on and forgot to. My dog loved it when I showed it to him. I handed it to him then realized it had a big hole and I had to take it away. Poor guy. He really wanted it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 25, 2026
M
Verified Purchase
Melinda Rimini
Louisville, US
★★★★★ 1
STEER CLEAR
Color: Can’T Be Tamed, Size: 9.5" h x 8" w x 4.5" d, Color: Can’T Be Tamed, Size: 9.5" h x 8" w x 4.5" d
Very thin and cheaply made! Same brand sold in Sam's Club in a 3-pack was of much better quality! Steer clear of these!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
W
Verified Purchase
W. Grubbs
Natrona Heights, US
★★★★★ 1
Not sewn together well
Color: Can’T Be Tamed, Size: 9.5" h x 8" w x 4.5" d, Color: Can’T Be Tamed, Size: 9.5" h x 8" w x 4.5" d
Back seam ripped open within the first 30 seconds of giving it to my dog.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 5, 2026
D
Verified Purchase
Debbie Kielan
Lake Worth, US
★★★★★ 1
Had big hole in it
Color: Perching Perfection, Size: 7.5" x 6.75" x 6"
This toy had a hole in it when I got it. Like they missed a seam. I meant to return it. But I had a lot going on and forgot to. My dog loved it when I showed it to him. I handed it to him then realized it had a big hole and I had to take it away. Poor guy. He really wanted it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 25, 2026

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