Cheapest backpack blower
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Kobalt KBB 4240-06 Spec Review

The Kobalt KBB 4240-06 is a cordless backpack leaf blower delivering 690 CFM at 135 MPH. It features a 4 Ah 40 V Li-ion battery. (Read full specs)

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Kobalt KBB 4240-06 690 CFM Cordless BlowerKobalt KBB 4240-06 690 CFM Cordless BlowerKobalt KBB 4240-06 690 CFM Cordless BlowerKobalt KBB 4240-06 690 CFM Cordless Blower
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Set an alert for the Kobalt KBB 4240-06 - Current lowest price: $100.00
Price History
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Price history for the Kobalt KBB 4240-06
Latest updates:
  • $100.00 - May 19, 2022
  • $120.00 - May 2, 2022
  • $100.00 - April 22, 2022
  • $130.00 - January 18, 2022
Data source: ebay.com
Since: January 18, 2022
  • Highest Price: $130.00 - January 18, 2022
  • Lowest Price: $100.00 - April 22, 2022

Features and Specifications

Type
Type Cordless
Handling Backpack
CFM Up to 690
MPH Up to 135
Blowing Force N/A
Engine
BrushlessYes
Voltage40 V
Speed settings Variable
Features
Battery Li-ion
Autonomy 200 mins
Throttle positionTube
Cruise controlYes
Vacuum No
Misc
Battery included 2
Weight (w/ battery)22 lbs
Weight (tool only)16.4 lbs
Noise rating N/A
Warranty 5 years

Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue. Should you wish more detailed specs on the Kobalt KBB 4240-06, the user manual is available here (opens in a new tab).

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Description

Overview of the Kobalt KBB 4240-06

  • Power: The Kobalt KBB 4240-06 can force 690 cubic feet of air per minute (CFM) from its nozzle at a maximum speed of 135 MPH.
  • Power delivery: If you don’t like dealing with cords, you will be delighted to know that this blower is equipped with a brushless, battery-operated motor.
  • Battery: Its 4 Ah 40 V Li-ion battery (2 batteries included) means that a user can operate the KBB 4240-06 for an estimated 200 minutes on a full charge.
  • Handling: This blower’s backpack functionality makes make it less exerting on the user, even when used for an extended period of time. Its throttle is located on the tube, which allows you to keep your left hand free. Be aware that, at 22 lbs, the Kobalt KBB 4240-06 is on the heavier side for electric backpack blowers.
  • Speed Settings: To provide more control over their job to the user, the unit has a variable speed control setting. No matter the size of the job, the user can adjust the airflow of the Kobalt KBB 4240-06 to match it. On top of that, maintaining the selected speed is effortless, as it also features cruise control.

Product Videos

The Kobalt KBB 4240-06's performance versus other blowers

The following charts are provided to give you an idea how the key specs of the Kobalt KBB 4240-06 compare with similar leaf blowers.

  • The air speed of the Kobalt KBB 4240-06 maxes out at 135 MPH. While more than adequate for many jobs, its air speed is below average among other battery-operated backpack blowers. For the fastest air speed in this category, you may want to consider the Ryobi RY404170, which can expell air at a velocity that can reach 165 MPH.
  • The KBB 4240-06 is powerful, with an airflow rating of 690 CFM (cubic feet per minute). This is certainly on the high end compared to other cordless backpack blowers. If air volume is important to you, the Worx WG572, with 800 CFM, could be in your good books.
  • Thanks to its autonomy of up to 200 mins, the KBB 4240-06 benefits from the highest achievable run time for a cordless backpack unit.

Price comparison

As you can see from this interactive chart, the Kobalt KBB 4240-06 is the cheapest of all cordless backpack blowers.

It can therefore be a really good buy if you're looking to acquire a budget blower.

The bottom line

STRENGTHS:
  • Inexpensive
  • Brushless motor
  • Cruise control
  • 5 year (limited) warranty
  • High CFM (690 CFM)
  • Excellent autonomy (200 mins)
WEAKNESSES:
  • Quite heavy (22 lbs)
  • Low MPH (135 MPH)

Do you own the Kobalt KBB 4240-06 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

About Kobalt

Kobalt is an American brand launched in 1998. Kobalt is the product of a partnership between Lowe’s, a leading seller of home improvement and outdoor products, and J.H. Williams, which is one of Lowe’s primary manufacturers. As one of Lowe’s primary outdoor equipment brands, Kobalt has positioned itself to be a major competitor of Craftsman, Husky, and other similar popular brands.

Warranty Information

The Kobalt KBB 4240-06 is covered under a warranty for up to 5 years. This warranty may not cover all parts of the blower.
For more information about the warranty of Kobalt blowers, please consult Kobalt's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-888-3-KOBALT (888-356-2258).

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