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Deal.ai › DeWalt › Impact Wrenches
Dewalt
Dewalt DCF891Q1 (1x4.0Ah)

Dewalt DCF891Q1 (1x4.0Ah)

Best price now

$249.00at Blain's Farm & FleetChecked 2 h ago

24% under what the other stores charge

Compared across 3 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.

Visit Blain's Farm & Fleet

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Price facts

  • Lowest price today: $249.00 at Blain's Farm & Fleet (checked Nov 10, 2026).
  • Checked at 3 stores.

Our take on the Dewalt DCF891Q1 (1x4.0Ah)

The DeWalt DCF891 is a 20V Max cordless 1/2-inch impact wrench with a brushless motor and a 4.0Ah battery. It sits in DeWalt's mid-size class: more torque than the compact DCF894 but lighter and shorter than the high-torque DCF899. Reviewers rate it for lug nuts, suspension and trailer work, and it is a common pick for home mechanics and light professional use. The variable-speed trigger and multiple speed settings give control on smaller fasteners.

Best forHome mechanics doing tire and brake workLight professional and farm useTrailer and hitch maintenanceBuyers who want one battery platform across tools
Pros
  • Brushless motor with strong torque for its size
  • Three speed settings plus precision mode for control
  • Compact and lighter than full high-torque wrenches
  • LED ring lights the work area
  • Uses DeWalt's 20V Max battery platform
Cons
  • Not enough torque for heavy truck or rusted bolts
  • Bare-tool weight is noticeable over long overhead jobs
  • One battery only in this kit
  • Hog ring anvil needs a specific socket type

Dewalt DCF891Q1 (1x4.0Ah) prices at every store

  • Blain's Farm & FleetNew

    In stock

    $249.00Checked 2 h ago
    Visit Blain's Farm & Fleet
  • Lowe'sNew

    In stock

    $329.00Free shippingChecked 2 h ago
    Visit Lowe's
  • Tractor Supply CoNew

    In stock

    $329.99Free shippingChecked 2 h ago
    Visit Tractor Supply Co

Store links may earn us a commission. Some prices via Klarna.

Dewalt DCF891Q1 (1x4.0Ah) price history

$329.00$249.00
Nov 9Nov 10

Lowest price we've seen: $249.00 on Nov 10 at Blain's Farm & Fleet; highest $329.00 on Nov 9. Tracked across 3 stores since Nov 9.

What reviewers say

Owners and reviewers rate the DCF891 as a strong mid-range impact wrench that handles most car and light-truck jobs. Most praise the power-to-size ratio and the speed control. Some say it falls short on stubborn, rusted fasteners where a high-torque model is needed.

What people mention
  • PowerPraisedOwners say it removes most lug nuts and suspension bolts without strain.
  • SizePraisedReviewers like the shorter body for reaching into wheel wells and engine bays.
  • Speed controlPraisedThe multiple settings and precision mode are called useful for smaller fasteners.
  • Heavy jobsCriticisedSome owners say rusted or heavy-truck bolts need a high-torque wrench instead.
  • WeightMixedIt is lighter than full-size wrenches but still tiring for long overhead work.
  • BatteryMixedThe 4.0Ah pack is fine for most jobs, but the kit includes only one.

Specifications

Multiple Gears
YesSource
Power Source
BatterySource
Battery Capacity (Ah)
4.0Source
Voltage (V)
20.0Source

Questions and answers

Is the DCF891 strong enough for lug nuts?
Yes for most cars and light trucks. It handles typical lug nuts and suspension bolts. Very tight or rusted fasteners may need a high-torque model.
How does it compare with the DCF899?
The DCF899 is DeWalt's high-torque wrench with more breakaway torque but a bigger, heavier body. The DCF891 is easier to handle and enough for most passenger-vehicle work.
What sockets does it use?
It has a 1/2-inch square drive with a hog ring anvil, so use 1/2-inch impact-rated sockets. Standard chrome sockets are not recommended.
Does it come with a battery and charger?
This version includes one 4.0Ah 20V Max battery. Check the kit contents for the charger, since some bundles are sold as bare tools.
Can it be used for light professional work?
Yes. It suits tire shops, farm and trailer work. For daily heavy-truck service, a high-torque wrench is the better fit.
Where is the Dewalt DCF891Q1 (1x4.0Ah) cheapest?
At Blain's Farm & Fleet, for $249.00, 24% under what the other stores charge, as of our latest check.
Where can I buy the Dewalt DCF891Q1 (1x4.0Ah)?
3 stores we checked sell it, including Lowe's, Tractor Supply Co, Blain's Farm & Fleet.

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Stores we've priced the Dewalt DCF891Q1 (1x4.0Ah) at

  • Blain's Farm & Fleet deals and prices
  • Lowe's deals and prices

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LED Lighting
YesSource
No. of Batteries (pcs)
1Source
Weight (lb)
4.5Source
Brushless
YesSource
Forward/Reverse Control
YesSource