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.)
STILL NOT SOLD ON US? LET US CHANGE THAT!
GIVE US A CALL: 1-800-629-4329
We Have Product Experts Available to Answer All of Your Questions.
We Offer Free Shipping on Orders Over $199. We Also Ship World Wide.
We Are A Factory Authorized Retailer Offering Full Manufacturers Warranty.
We Offer Multiple Secure Payment Options. Affirm Financing is Also Available.
We strive to provide the best customer service and product support for our customers, so you can feel confident that you are purchasing the product that best suits your needs. We have Product Experts available to answer any questions and concerns you may have, and we will work with you to ensure that your order is correct every time. Our family-run business has always put our customers first, so when you buy from us you’re family.
