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4.4 out of 5 stars. 107 reviews
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DEWALT 4 gal. 150 PSI Backpack Sprayer

4.4

(107 Reviews)

|

Item # 170040699

$149.99
A woman outside with a dog
A woman outside with a dog

DEWALT 4 gal. 150 PSI Backpack Sprayer

DEWALT 4 gal. 150 PSI Backpack Sprayer

Item # 170040699

$149.99
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DEWALT 4 gal. 150 PSI Backpack Sprayer

Item # 170040699

$149.99
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New Cardmembers earn a $75 Reward with qualifying purchase of $75 or more plus earn 5% in Rewards+ on this purchase. Valid through 7/12/26.

This item is available online only

Out of stock delivering to

37027


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The DEWALT 4 gal. internal piston pump backpack sprayer was built to get the job done. Whether it's for weeding and feeding, disinfecting, finishing concrete, eliminating mold or controlling pests - users are equipped for the Job. It's Guaranteed Tough.

For additional information on this product, please see the Product Documents section for all downloadable user manuals, installation guides, brochures and warranty statements.

Looking for more information on sprayers? Check out our guide on agricultural and lawn sprayers in the product documents section.

  • Deluxe harness with wide, padded shoulder straps that fit comfortably across the torso and curve to the contour of the user's body
  • An adjustable hip harness assists with weight distribution, relieving burden from the user's shoulders
  • Multiple nozzle tips are included for versatility in both application rates and patterns and can be stored in the waste belt
  • Shut-off with comfort grip handle and lock-on mechanism, can be easily operated with heavy-duty work gloves
  • 50 in. heavy-duty nylon-reinforced hose and strain relief system preventing the hose from kinking at the chemical exit point
  • High pressure pump can reach up to 150 psi, allowing it to spray extended distance or atomize fine particle sizes
  • Viton seals throughout the sprayer help to resist the harshest chemicals

Q&As

1 - 10 of 12 Questions

Q: When will this item be back in stock?

a month ago
1 Answer
  • A: Availability is updated daily on the TSC website and refreshed every Thursday for the upcoming week. Please check back, or if you have problems, please reach out to Tractor Supply Customer Solutions at 877-718-6750.
    a month ago
    Helpful?

Q: What distances can you spray

11 months ago
1 Answer
  • A: Hello, thank you for your question. With maximum pressure and the jet stream you could expect 20 feet of spray.
    11 months ago
    Helpful?

Q: How long would it take to ship to Tupelo Ms

a year ago
1 Answer
  • A: Standard shipping from Tractor Supply Co. (TSC) generally takes 3-5 business days. However, if the item is in stock, it usually ships within 24 hours (excluding weekends). Some items might also be eligible for same-day or next-day delivery, depending on your location and the time of your order. For example, items ordered before noon local time might be delivered the same day, while those ordered after noon might be delivered the following day
    a year ago
    Helpful?

Q: can i use bleach in it

2 years ago
2 Answers
  • A: This unit cannot be used with any bleach. If you need further assistance please contact our customer service team at 800-311-9903.
    2 years ago
    Helpful?

Q: Will this handle stain and water sealer for a wooden privacy fence?

2 years ago
2 Answers
  • A: We only recommend a clear water based stain or sealer, anything that is discolored or milky is going to be too thick for the sprayer. Please contact our customer service team at 800-311-9903 for further assistance.
    2 years ago
    Helpful?

Q: Does battery and charger come with it

2 years ago
1 Answer
  • A: Hi, This model does not require a battery/charger to operate. All DEWALT 20V battery, charger and tools are compatible. Please note a higher Amp battery a longer runtime will provide.
    2 years ago
    Helpful?

Q: Do you have this item for pick up today?

3 years ago
1 Answer
  • A: Hi! Please contact your store or add to your cart and select instore pick up to see if it this option is available.
    3 years ago
    Helpful?

Q: Has anyone here used it to spray moss removal product on a roof? I have a 2 story home. Thanks

3 years ago
1 Answer
  • A: Hi! If there are any questions, we can assist with please feel free to restate and submit. Thank you!
    3 years ago
    Helpful?

Q: Do I need better and charger if I already have 20 volt dewalt battery?

3 years ago
1 Answer
  • A: This model does not require a battery/charger to operate. All DEWALT 20V battery, charger and tools are compatible. Please note a higher Amp battery a longer runtime will provide.
    3 years ago
    Helpful?

Q: 150 PSI. how far verticle and horizontal will this spray?

3 years ago
1 Answer
  • A: This psi will be able to produce a vertical throw of around 35 feet.
    3 years ago
    Helpful?
1 - 10 of 12 Questions

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Reviews

Rating Snapshot

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79 reviews with 5 stars.
14 reviews with 4 stars.
5 reviews with 3 stars.
1 review with 2 stars.
8 reviews with 1 star.

Overall Rating

4.4
32 out of 34 (94%) reviewers recommend this product

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  • ease of use
  • spraying
  • comfort
  • handle
  • instructions
  • large
  • price
  • purchase
1 to 4 of 107 Reviews .
1 – 4 of 107 Reviews
Review 1

Get the job done

a year ago
A great item very easy to use makes my very easy
Response from FGI Product Expert:
a year ago
FGI Product Expert
Thank you for your feedback. If you need assistance in the future please contact our Customer Service team at 800-311-9903. TheFountainheadGroup
Houston
Reviews 2

Not happy

a year ago
This unit is not very powerful. Does not hold pressure well. Straps do no justice to hold a full tank.
SweepstakesYes

No, I do not recommend this product.

Texas
Reviews 2

Sprayer

a year ago
Worked as advertised!
SweepstakesYes

Yes, I recommend this product.

Mo.
Review 1

Farm work easier spraying small area and spot spr

a year ago
Works good when covering more ground don’t have to fill up as much. Don’t leak and easy to use
SweepstakesYes