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Diesel Generator Buyer's Guide
When to Use Commercial and Home Diesel Generators
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Rated Watts (Watts)
10000 - 39999 (24)
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4.6 (1)
5.1 (1)
6.2 (1)
6.81 (1)
9.19 (2)
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104 (2)
1200 (1)
125 (4)
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250 (1)
301 (1)
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416 (1)
416.6 (2)
45 (4)
451 (1)
52 (2)
60 (2)
602 (1)
62 (2)
646 (1)
69 (2)
75 (2)
750 (1)
83 (2)
83.3 (2)
90 (2)
903 (1)
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132 (1)
138.5 (8)
260 (2)
33.5 (6)
46 (1)
61 (4)
62 (4)
74 (1)
95 (6)
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Run Time @ 50% Load (Hours)
104 (1)
115.8 (3)
28.2 (3)
28.3 (1)
31 (3)
39 (3)
41.6 (4)
45.6 (1)
47.4 (1)
65.3 (4)
88.59 (1)
92.2 (3)
92.85 (1)
96.4 (4)
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Generac Protector® 30kW Automatic Standby Diesel Generator (120/240V Single-Phase)
Model: RD03022ADAE
17% Buy This
(1)
Ask a Question
$14,399.00
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
17% Buy This
Write a Review
Ask a Question
$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
Cummins C20D6 - 20kW Automatic Standby Diesel Generator w/ Fuel Tank (120/240V Single-Phase)
Model: A063P961-C20D6-TANK
17% Buy This
Write a Review
Ask a Question
$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
Generac Protector® 48kW Automatic Extended Run Standby Diesel Generator (120/240V Single-Phase)
Model: RD04833ADAL
17% Buy This
Write a Review
Ask a Question
$17,099.00
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® 30kW Automatic Extended Run Standby Diesel Generator (120/240V Single-Phase)
Model: RD03022ADAL
8% Buy This
(1)
Ask a Question
$14,899.00
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® 15kW Automatic Standby Diesel Generator (120/240V Single-Phase)
Model: RD01525ADAE
8% Buy This
Write a Review
Ask a Question
$11,299.00
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® 50kW Automatic Extended Run Standby Diesel Generator (277/480V 3-Phase)
Model: RD05033KDAL
8% Buy This
Write a Review
Ask a Question
$17,099.00
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 C30D6 - 30kW Automatic Standby Diesel Generator w/ Fuel Tank (120/240V Single-Phase)
Model: A063P963-C30D6-TANK
8% Buy This
Write a Review
Ask a Question
$15,525.00
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® 15kW Automatic Extended Run Standby Diesel Generator (120/240V Single-Phase)
Model: RD01525ADAL
Write a Review
Ask a Question
$11,799.00
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 Single-Phase)
Model: RD02025ADAE
Write a Review
Ask a Question
$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® 15kW Automatic Extended Run Standby Diesel Generator (120/208V 3-Phase)
Model: RD01525GDAL
Write a Review
Ask a Question
$11,799.00
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® 15kW Automatic Standby Diesel Generator (120/208V 3-Phase)
Model: RD01525GDAE
Write a Review
Ask a Question
$11,299.00
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
Write a Review
Ask a Question
$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
Ask a Question
$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® 15kW Automatic Extended Run Standby Diesel Generator (120/240V 3-Phase)
Model: RD01525JDAL
Write a Review
Ask a Question
$11,799.00
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® 15kW Automatic Standby Diesel Generator (120/240V 3-Phase)
Model: RD01525JDAE
Write a Review
Ask a Question
$11,299.00
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
Ask a Question
$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
Ask a Question
$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® 30kW Automatic Extended Run Standby Diesel Generator (120/208V 3-Phase)
Model: RD03022GDAL
Write a Review
Ask a Question
$14,899.00
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® 30kW Automatic Standby Diesel Generator (120/208V 3-Phase)
Model: RD03022GDAE
Write a Review
Ask a Question
$14,399.00
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® 30kW Automatic Extended Run Standby Diesel Generator (120/240V 3-Phase)
Model: RD03022JDAL
Write a Review
Ask a Question
$14,899.00
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® 30kW Automatic Standby Diesel Generator (120/240V 3-Phase)
Model: RD03022JDAE
Write a Review
Ask a Question
$14,399.00
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® 30kW Automatic Extended Run Standby Diesel Generator (277/480V 3-Phase)
Model: RD03022KDAL
Write a Review
Ask a Question
$14,899.00
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® 30kW Automatic Standby Diesel Generator (277/480V 3-Phase)
Model: RD03022KDAE
Write a Review
Ask a Question
$14,399.00
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
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