{"product_id":"generac-xg04045anac-40kw-120-240v-standby-generator","title":"Generac XG04045ANAC 40kW 120\/240V Standby Generator","description":"\u003ch2\u003eGenerac XG04045ANAC – 40kW 120\/240V Standby Generator\u003c\/h2\u003e\n\u003cp\u003eThe Generac XG04045ANAC is a 40kW liquid-cooled automatic standby generator designed for backup power applications using 120\/240V 1-phase service. This Protector gaseous generator supports natural gas or vapor propane fuel and allows fuel type selection through the controller. The supplied product data lists this model as catalyst equipped with SCAQMD-compliant configuration. With Quiet-Test Self-Test Mode, TruePower technology, cellular connectivity, and corrosion-resistant construction, this generator supports reliable standby power planning when properly sized and professionally installed.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e40kW Backup Power for 120\/240V 1-Phase Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe XG04045ANAC is built for standby generator projects where 40kW output, 120\/240V 1-phase service, and fuel flexibility are key requirements. Final load sizing, voltage requirements, fuel setup, and site conditions should be reviewed by a qualified installer before purchase or installation.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eQuiet-Test Self-Test Mode and TruePower Technology\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eQuiet-Test Self-Test Mode runs at a lower RPM for a five-minute test cycle and can be programmed weekly, biweekly, or monthly. TruePower technology is listed to deliver less than 5% total harmonic distortion for clean, smooth power quality.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eController-Selectable Natural Gas or Vapor Propane Fuel\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis Generac XG Series generator supports controller-selectable fuel setup for natural gas or vapor propane. Fuel type selection using the controller helps simplify generator installation planning for qualified installers.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCorrosion-Resistant Enclosure and Frame\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe supplied product details list an aluminum enclosure, zinc-plated fasteners, and electro-galvanized frame rails with powder coat for corrosion resistance. These construction details help support long-term outdoor placement in demanding environments.\u003c\/p\u003e\n\u003c!-- Responsive Image\/Text Blocks --\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; justify-content: center; padding: 0;\"\u003e\n\u003cdiv class=\"responsive-half\" style=\"flex: 1 1 300px; max-width: 50%; padding: 0 4px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0761\/5781\/2888\/files\/515Wx515H-XGProtectorSeries3Phase-1200x1200.webp?v=1778192724\" height=\"1000\" width=\"1000\" alt=\"Generac XG04045ANAC 40kW liquid-cooled standby generator for 120 240V 1-phase backup power\" class=\"responsive-image\" style=\"width: 100%; height: auto;\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"responsive-half\" style=\"flex: 1 1 300px; max-width: 50%; padding: 1rem; text-align: center;\"\u003e\n\u003cp\u003eThe Generac XG04045ANAC is designed for permanent standby generator applications where 40kW output, 120\/240V 1-phase service, and catalyst-equipped configuration are part of the project requirements. Its controller-selectable fuel setup helps support natural gas or vapor propane planning for the site.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Image Block 2 --\u003e\n\u003cdiv class=\"image-block-2\" style=\"display: flex; flex-wrap: wrap; align-items: center; justify-content: center; padding: 0;\"\u003e\n\u003cdiv class=\"responsive-half\" style=\"flex: 1 1 300px; max-width: 50%; padding: 1rem; text-align: center;\"\u003e\n\u003cp\u003eWith Quiet-Test Self-Test Mode, TruePower technology, cellular connectivity, and corrosion-resistant construction, this generator supports practical standby power planning and long-term service visibility. Its SCAQMD-compliant catalyst configuration should be reviewed alongside local installation requirements before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"responsive-half\" style=\"flex: 1 1 300px; max-width: 50%; padding: 0 4px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0761\/5781\/2888\/files\/515Wx515H-XG04845-FrontOpen_48874398-63af-4a98-bf4b-4b6221b27693.webp?v=1778193684\" height=\"1000\" width=\"1000\" alt=\"Generac XG04045ANAC 40kW 1-phase standby generator with SCAQMD catalyst configuration\" class=\"responsive-image\" style=\"width: 100%; height: auto;\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Mobile Stack Fix --\u003e\n\u003cstyle\u003e\n@media(max-width:768px) {\n  .responsive-half { max-width: 100% !important; flex: 1 1 100% !important; }\n  .responsive-image { width: 100% !important; height: auto !important; }\n  .image-block-2 { flex-direction: column-reverse !important; }\n}\n\u003c\/style\u003e\n\u003ch3\u003eGenerac XG04045ANAC Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e40kW standby output:\u003c\/strong\u003e Provides a clear power rating for properly sized 120\/240V 1-phase backup applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e120\/240V 1-phase service:\u003c\/strong\u003e Matches projects that require this specific single-phase voltage configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNatural gas or vapor propane fuel:\u003c\/strong\u003e Gives buyers fuel flexibility for permanent standby generator planning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet-Test self-test mode:\u003c\/strong\u003e Runs a lower-RPM five-minute test cycle that can be programmed weekly, biweekly, or monthly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTruePower technology:\u003c\/strong\u003e Delivers less than 5% total harmonic distortion for clean, stable power quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCellular connectivity:\u003c\/strong\u003e Supports Mobile Link monitoring for generator owners and Fleet visibility for supporting dealers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-resistant construction:\u003c\/strong\u003e Includes an aluminum enclosure, zinc-plated fasteners, and electro-galvanized frame rails with powder coat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalyst-equipped configuration:\u003c\/strong\u003e Listed as SCAQMD compliant in the supplied product specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"background: #EFE9DC; border: 1px solid #D6D0C4; border-radius: 8px; padding: 24px; text-align: center; margin: 2rem 0; color: #1f1f1f;\"\u003e\n\u003cp style=\"margin: 0 0 8px 0;\"\u003e\u003cstrong\u003eNeed help confirming the right generator configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px 0;\"\u003eContact TrueStead Supply for generator sizing guidance, fuel setup support, and quote assistance.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px 0;\"\u003e✔ Backup power guidance    ✔ Fuel setup support    ✔ Quote assistance\u003c\/p\u003e\n\u003ca style=\"display: inline-block; padding: 0.75rem 1.5rem; background-color: #2f4f2f; color: #ffffff; text-decoration: none; font-weight: bold; border-radius: 6px;\" href=\"https:\/\/truesteadsupply.com\/pages\/contact-us\"\u003eContact Us for a Quote\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch3\u003eGenerac XG04045ANAC Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 2rem; border: 1px solid #D6D0C4;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003eGenerac\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003eLiquid Cooled XG Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003e\u003cstrong\u003eModel \/ SKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003eXG04045ANAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003eLiquid-cooled automatic standby generator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003e\u003cstrong\u003eGenerator Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003eProtector gaseous generator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003e\u003cstrong\u003eRated Power Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003e40kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003e\u003cstrong\u003eFuel Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003eNatural gas \/ vapor propane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003e120\/240V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003e\u003cstrong\u003ePhase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003e1-phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003e4.5L engine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003e\u003cstrong\u003eMonitoring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003eCellular connectivity for Mobile Link and Fleet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003e\u003cstrong\u003ePower Quality\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003eTruePower technology; less than 5% total harmonic distortion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003e\u003cstrong\u003eExercise Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003eQuiet-Test self-test mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003e\u003cstrong\u003eEnclosure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003eAluminum enclosure with corrosion-resistant frame components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003e\u003cstrong\u003eCatalyst Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 8px;\"\u003eCatalyst equipped; SCAQMD compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eGenerac XG04045ANAC Info\u003c\/h4\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0761\/5781\/2888\/files\/A0005536684.pdf?v=1778101488\" target=\"_blank\"\u003eGenerac XG04045 User Manual\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0761\/5781\/2888\/files\/A0005536699.pdf?v=1778101549https:\/\/cdn.shopify.com\/s\/files\/1\/0761\/5781\/2888\/files\/A0005536699.pdf?v=1778101549\" target=\"_blank\"\u003eGenerac XG04045 Installation Manual\u003c\/a\u003e\u003c\/p\u003e","brand":"Generac","offers":[{"title":"Natural gas","offer_id":49003876843672,"sku":"XG04045ANAC-NG","price":25169.0,"currency_code":"USD","in_stock":true},{"title":"Propane","offer_id":49003876876440,"sku":"XG04045ANAC-LP","price":25169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/5781\/2888\/files\/515Wx515H-XGProtectorSeries3Phase-1200x1200.webp?v=1778192724","url":"https:\/\/www.truesteadsupply.com\/products\/generac-xg04045anac-40kw-120-240v-standby-generator","provider":"TrueStead Supply","version":"1.0","type":"link"}