Skip to Main Content
Skip to Search Filters
Skip to Footer
Deliver to
Change Location
Results loading, please wait
|
Help
My Account
Loading...
Cancel
View All
Back
My Account
Deliver to
Essential Business Update: Delivery and call times may be impacted. Get order status & support now.
Essential Business Delays: Get order status & support now.
Home
/
Diesel Generators
/
20 kW Diesel Standby Generators
20 kW Diesel Standby Generators
Quick Search
Select Style
Portable
» Recreational
» Emergency
» Semi-Pro
» Professional
Standby
» Home Standby
» Whole House
» Commercial Standby
Light Tower
PTO
RV
Towable
Select Fuel
Diesel
Dual Fuel
Gasoline
Natural Gas
LP
Solar
Tri-Fuel
Tractor-Driven
Select Watts
Watts
900 - 1999 W
2000 - 3999 W
4000 - 5999 W
6000 - 9999 W
Kilowatts
10 - 15 kW
16 - 19 kW
20 - 29 kW
30 - 39 kW
40 - 59 kW
60 - 69 kW
70 - 99 kW
100+ kW
Select Brand
Briggs & Stratton
Caterpillar
Champion
Cummins Onan
Cummins Power Generation
Dewalt
Firman Generators
Generac
Generac Commercial
Generac Guardian
Generac Protector
Generac QuietSource
Gillette
Goal Zero
Honda
Honeywell
IMD
Kohler
Kubota
Multiquip
Powermate
Westinghouse
Winco
Yamaha
Filter
▼
Best Selling
▼
Best Selling
Price: Low to High
Price: High to Low
Name: A-Z
Name: Z-A
Recommends Only
Closeouts Only
In-stock Only
Next Day Air Only
Availability
Go
Filters
Voltage
120/208 Three-Phase (2)
120/240 Single-Phase (4)
120/240 Three-Phase (2)
Rated Amps (Amps)
60 (2)
69 (2)
83 (2)
83.3 (2)
Tank Size (Gallons)
33.5 (3)
46 (1)
95 (3)
Run Time @ 50% Load (Hours)
31 (3)
47.4 (1)
92.2 (3)
Circuit Breaker Size (Amps)
100 (4)
70 (2)
80 (2)
Price
To
12100 - 12799 (4)
12800 - 13499 (3)
13500 - 14199 (1)
Compare
Generac Protector® 20kW Automatic Standby Diesel Generator (120/240V Single-Phase)
Model: RD02025ADAE
50% Buy This
Write a Review
$12,499.00
Factory-Direct
Free Shipping
×
Free Shipping
*This product qualifies for
Free Shipping
anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
×
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Compare
Generac Protector® 20kW Automatic Extended Run Standby Diesel Generator (120/240V Single-Phase)
Model: RD02025ADAL
33% Buy This
Write a Review
$12,999.00
Factory-Direct
Free Shipping
×
Free Shipping
*This product qualifies for
Free Shipping
anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
×
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Compare
Generac Protector® 20kW Automatic Extended Run Standby Diesel Generator (120/208V 3-Phase)
Model: RD02025GDAL
17% Buy This
Write a Review
$12,999.00
Factory-Direct
Free Shipping
×
Free Shipping
*This product qualifies for
Free Shipping
anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
×
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Compare
Generac Protector® 20kW Automatic Standby Diesel Generator (120/208V 3-Phase)
Model: RD02025GDAE
Write a Review
$12,499.00
Factory-Direct
Free Shipping
×
Free Shipping
*This product qualifies for
Free Shipping
anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
×
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Compare
Generac Protector® 20kW Automatic Extended Run Standby Diesel Generator (120/240V 3-Phase)
Model: RD02025JDAL
Write a Review
$12,999.00
Factory-Direct
Free Shipping
×
Free Shipping
*This product qualifies for
Free Shipping
anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
×
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Compare
Generac Protector® 20kW Automatic Standby Diesel Generator (120/240V 3-Phase)
Model: RD02025JDAE
Write a Review
$12,499.00
Factory-Direct
Free Shipping
×
Free Shipping
*This product qualifies for
Free Shipping
anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
×
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Compare
Cummins C20D6 - 20kW Automatic Standby Diesel Generator w/ Fuel Tank (120/240V Single-Phase)
Model: A063P961-C20D6-TANK
Write a Review
$13,513.00
Factory-Direct
Free Shipping
×
Free Shipping
*This product qualifies for
Free Shipping
anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
×
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Compare
Cummins C20D6 - 20kW Automatic Standby Diesel Generator (No Fuel Tank) (120/240V Single-Phase)
Model: A063P962-C20D6
Write a Review
$12,250.00
Factory-Direct
Free Shipping
×
Free Shipping
*This product qualifies for
Free Shipping
anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
×
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
PREVIOUS
PREV
1
NEXT
Displaying Products 1 - 8 (of 8
)
Hide
Compare
Clear All
