The generator offers a 57 gallon tank. At full load, the unit will use 4.02 gallons of diesel per hour. Approximate runtime at full load is 14.18 hours on a full tank.
Free Gift Card Details
$100 Order
$250 Order
$500 Order
$1000 Order
- The promotion will be automatically applied on the Shopping Cart page.
- To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
- Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
- E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
- Free e-gift cards expire 11/01/26.
- Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
- Valid online and in participating retail stores.
- Limited-time offer. Subject to change without notice.
Generac RD048 48kW 3.3L Liquid-Cooled Standby Generator - Single Phase, 120/240V, Diesel

This is a carousel with one large zoomable image and a track of thumbnails on the left. Select any of the thumbnail buttons to change the zoomable image on the right. If a thumbnail is a video or 360 degree image thumbnail, or the last thumbnail in the list, the button will open the product media modal.

Click or Tap image to Zoom
Shipping:
Free shipping (lower 48 states) - Factory shippedStore Pickup:
Not available - online only
- Two line LCD multilingual digital Evolution™ Controller (English/Spanish/French/Portuguese) with external viewing window for easy indication of generator status and breaker position
- Isochronous electronic governor
- Single-phase, 120/240 V
- Sound attenuated aluminum enclosure
- Smart battery charger
See full description
Description
Key Specs
Reviews
Q & A
Accessories
Warranty
Compare
Product Summary
What's Included
- (1) 48 kW diesel standby generator
Features + Benefits
- Two line LCD multilingual digital Evolution™ Controller (English/Spanish/French/Portuguese) with external viewing window for easy indication of generator status and breaker position
- Isochronous electronic governor
- Single-phase, 120/240 V
- Sound attenuated aluminum enclosure
- Smart battery charger
- Mobile Link ™ Connectivity - Standard with all Protector Series generators. Mobile Link allows you to monitor the status of your generator from anywhere in the world using a smartphone, tablet or PC.
- 5-Year limited warranty
- Transfer switch sold separately
- 3.3L Engine
Key Specs
| Attribute | Specification |
|---|---|
item# | 43419 |
Brand | Generac |
Manufacturer's Warranty | 5 year limited warranty |
Ship Weight | 2267.0 LB |
Voltage | 120/240 |
Max. Amps | 200 |
Fuel Type | Diesel |
Engine Brand | Generac |
Engine Model | In-line |
| Attribute | Specification |
|---|---|
Engine Displacement | 3,300,000 cc |
Enclosure Material | Aluminum |
Start Type | Automatic |
Fuel Capacity | 62 Gal |
Battery Required | Yes |
Battery Included | No |
Auto Shutdown | Yes |
Product Weight | lb |
Dimensions L x W x H (in.) | 95.4 x 35.0 x 55.4 in |
Reviews
Questions & Answers
Questions
-
· 9 years ago
What is the runtime when the generator is at full load capacity?
1 answer-
ProductExpert5· 3 years ago
Helpful?
-
-
· 10 years ago
Is there overcurrent protection on this genset? If there is what is the amp rating of the device.
1 answer-
ProductExpert37· 10 years ago
This unit has a 200 amp circuit breaker that will protect the generator.
Helpful?
-
Accessories We Recommend
This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.
Warranty
Manufacturer's Warranty
5 year limited warranty
Compare with Most Popular in Home Standby Generators
See All Home Standby Generators
See All Generac Home Standby Generators
Currently Viewing This Product
Item # 43419
$20,369.00Shipping:
Free shipping (lower 48 states) - Factory shippedStore Pickup:
Not available - online only
- $18,859.00
Shipping:
Free shipping (lower 48 states) - Factory shippedStore Pickup:
Not available - online only
- $5747.50
Shipping:
Free shipping (lower 48 states) - Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Not available - online only
Specifications
120/240
120/240
120/240
200
125
84
Diesel
Diesel
Dual Fuel - Natural Gas and Propane
Generac
Generac
Cummins
In-line
In-line
QSJ999
3,300,000 cc
2,400 cc
999 cc
Aluminum
Aluminum
Aluminum
Automatic
Automatic
Automatic and Manual
62 Gal
62 Gal
-
Yes
Yes
Yes
No
No
No
Yes
Yes
Yes
lb
lb
531.0000 lb
95.4 x 35.0 x 55.4 in
95.4 x 35.0 x 55.4 in
34.125 x 36.0 x 27.3125 in
-
-
20
-
-
20
-
-
18
-
-
18
-
-
65 dB
-
-
Yes
-
-
Yes
-
-
Yes
-
-
60
-
-
Yes
-
-
<5%
See All Home Standby Generators
See All Generac Home Standby Generators
Recently Viewed Items
This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.
Generac RD048 48kW 3.3L Liquid-Cooled Standby Generator - Single Phase, 120/240V, Diesel
Item # 43419







