The engine in this generator requires 5W-30 oil. The air filter and oil filter are sold separately through Generac directly. The air filter is part #G059402 and the oil filter is part #0A45310244.
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Generac QuietSource Series Liquid-Cooled Home Standby Generator — 22 kW (LP)/22 kW NG, Model# RG02224ANAX

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- Aluminum, corrosion-resistant enclosure
- Patented Quiet-Test™ low-speed exercise mode
- Automotive-grade liquid-cooled engines run at lower speed for reduced sound output
- Automatic safety shutdowns and exerciser
- Transfer switch required (sold separately)
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Description
Key Specs
Reviews
Q & A
Accessories
Warranty
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Product Summary
What's Included
- (1) Home standby generator
Features + Benefits
- Aluminum, corrosion-resistant enclosure
- Patented Quiet-Test™ low-speed exercise mode
- Automotive-grade liquid-cooled engines run at lower speed for reduced sound output
- Automatic safety shutdowns and exerciser
- Transfer switch required (sold separately)
Key Specs
| Attribute | Specification |
|---|---|
item# | 48898 |
Brand | Generac |
Manufacturer's Warranty | 5 year limited warranty |
Ship Weight | 971.0 LB |
Voltage | 120/240 |
Rated Kilowatts LP | 22 |
Surge Kilowatts LP | 22 |
Rated Kilowatts NG | 22 |
Surge Kilowatts NG | 22 |
Max. Amps | 92 |
| Attribute | Specification |
|---|---|
Fuel Type | Multi-Fuel |
Engine Model | In-Line |
Noise Level | 0.87 dB |
Enclosure Material | Aluminum |
Battery Required | Yes |
Battery Included | No |
Auto Shutdown | Yes |
Engine Cooling | Liquid |
Dimensions L x W x H (in.) | 62.2 x 30.6 x 38.6 in |
Reviews
Questions & Answers
Questions
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· 3 years ago
What type oil does it require and what oil and air filter
1 answer-
ProductExpert29· 3 years ago
Helpful?
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· 3 years ago
What transfer switch is required.and how many hours is the break in period
1 answer-
ProductExpert5· 3 years ago
Choosing the correct transfer switch would depend on the Amperage service your utility company is providing, and needs to meet or exceed this Amperage. The generator has a 30 hour break-in period.
Helpful?
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· 4 years ago
What is the operating RPM for this generator?
1 answer-
ProductExpert13· 4 years ago
The RPM on this generator is rated at 1800.
Helpful?
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· 6 years ago
Can this device be connected to an outside water source for cooling?
1 answer-
ProductExpert5· 3 years ago
The generator has a closed cooling system. The system will need to be filled with the recommended coolant, Peak Fleet-Charge 50/50 ethylene glycol type coolant. The generator is not designed to be connected to an outside water source.
Helpful?
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· 10 years ago
Question about fuel usage
If this generator is supplying 50 amps to a trailer how much fuel does it use an hour?
1 answer-
ProductExpert11· 10 years ago
This generator has fuel consumption ratings at full load of: 3.6 GPH for natural gas and 3.61 GPH for propane. At half load, the consumption ratings are: 2.1 GPH for natural gas and 2.06 GPH for propane. A specific consumption rating at 50 amps is not available.
Helpful?
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Warranty
Manufacturer's Warranty
5 year limited warranty
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Item # 48898
Shipping: Sold Out
Item # 6474768
$5449.00Shipping:
Free shipping (lower 48 states) - Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
- $7199.10Reg $7999.00Save $799.90
Order today to get this price.
Shipping:
Free shipping (lower 48 states) - Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Item # 7003722
$6506.10Reg $7229.00Save $722.90Order today to get this price.
Shipping:
Free shipping (lower 48 states) - Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Specifications
120/240
120/240
240
240
22
14
28
22
22
14
28
22
22
12
25
21
22
12
25
21
92
-
-
-
Multi-Fuel
Dual Fuel - Natural Gas and Propane
Dual Fuel - Natural Gas and Propane
Dual Fuel - Natural Gas and Propane
In-Line
CH740
-
-
0.87 dB
-
-
-
Aluminum
Aluminum
Aluminum
Aluminum
Yes
Yes
Yes
Yes
No
No
No
No
Yes
Yes
-
Yes
Liquid
Yes
-
-
62.2 x 30.6 x 38.6 in
47.0 x 26.2 x 32.2 in
46.4 x 26.3 x 30.7 in
46.4 x 26.3 x 30.7 in
-
Kohler
Generac
Generac
-
725 cc
997 cc
997 cc
-
Automatic and Manual
Automatic
Automatic
-
0 Gal
-
-
-
2.23 GPH
-
-
-
0
-
-
-
0
-
200
-
Yes
Yes
Yes
-
Yes
Yes
Yes
-
Yes
-
-
-
60
60
60
-
No
-
-
-
<5%
-
-
-
Yes
Yes
Yes
-
48.33
-
-
-
440.0000 lb
524.0000 lb
451.0000 lb





