Sun Joe MJ403E Review

Mow Joe 17-Inch 13-Amp Corded Electric Lawn Mower/Mulcher


Final Score

4.2 / 5 from 1137 users

Sun Joe MJ403E | Tools Official
Sun Joe MJ403E | Tools Official
Sun Joe MJ403E | Tools Official


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We spent 8.9 hours reading reviews from customers and experts. In summary, here's what users think:

8 reasons to buy

  • A large number of reviewers love that the Sun Joe MJ403E is very easy to push even without self-propel because of its lightweight design.
  • The mower houses a powerful 13-amp motor resulting in very clean cuts and debris vacuumed effortlessly into the bag.
  • Many owners were pleased that the MJ403E is quieter than a gas-powered mower.
  • A good number of buyers commended the mower for mulching grass and leaves very well.
  • The mower is fairly easy to assemble out of the box.
  • Most users appreciated that the mower has various and easily adjustable cutting height options.
  • Some buyers valued the mower’s large rear wheels that made it easy to maneuver on rough terrain.
  • A few individuals like the mower’s safety button feature which kept kids clear from accidentally starting the mower.

2 reasons not to buy

  • At least one purchaser noted that the mower is back heavy when the grass bag is full and can often cause the mower to slightly tilt-up especially when pulling it backward.
  • A user mentioned that the bag’s handle can sometimes come off and the grass level indicator is inaccurate.

Bottom Line

The Sun Joe MJ403E delivered what consumers would expect from a corded electric mower: quiet, lightweight, maneuverable, efficient and hassle-free to maintain. Many users were very satisfied with the performance brought about by the mower, it cut and mulched exceptionally well. The mower’s cons as noted by users were very specific to bagging. When used for mulching though, the mower worked perfectly. The Sun Joe MJ403E has proven to be a solid choice for small to medium-sized lawns and recommended for consumers tired of maintaining a gas-powered mower.


BrandSun Joe
Cutting Width (in)17 inch
FeaturesElectric Start, Mulching, Bagging
Max Cutting Height2-87/100"
Min Cutting Height49/50"
Power SourceCorded Electric
CategoryPush Mowers
Warranty2 Year Limited Manufacturer
Weight31.5 Pounds
Additional InfoConvertible Function, Rugged All-Terrain Wheels, Grass Indicator Window

Video Reviews

Tips for Sun Joe MJ403E

  • For easier cord visibility and management, use an orange outdoor extension cord.
  • To avoid moving over the cord, plot your course beforehand and mow away from the power source.


  • Q:

    Is the Sun Joe MJ403E self-propelled?

  • A:

    No, the mower is self-push and is extremely light and easy to push.

  • Q:

    How does the mower perform on bermuda grass?

  • A:

    The mower does well in bermuda grass. It is recommended to mow slow and maintain the grass regularly for easier mowing.

  • Q:

    What are the mower’s weight and dimensions when boxed?

  • A:

    The mower’s box dimensions are 35” x 18.5” x 15” and weighs 36.5lbs.

  • Q:

    Is the mower’s handle adjustable?

  • A:

    No, the handles are fixed and are not adjustable.

  • Q:

    Can this mower mulch leaves?

  • A:

    Yes, the mower can mulch leaves very well.

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