Oregon LM400-A6 battery mower


The Oregon LM400-A6 is part of the Lawn mower & tractor test program at Consumer Reports. In our lab tests, Lawn mower & tractor models like the LM400-A6 are rated on multiple criteria, such as those listed below.

Side discharging: How far and evenly clippings were dispersed from the discharge chute.

Mulching: Reflects how fine the clippings are and how completely the mower distributed its clippings over the lawn's surface.

Bagging: Denotes how much clippings the bag held before it filled or the chute clogged.


Deck height adjustment Deck height adjustment Most convenient is a single lever that moves the entire deck up and down. Some models have one lever for the front axle and another for the rear. Least convenient is a lever at each wheel.
Single lever
Washout port Washout port Accepts a hose for cleaning the underside of the deck more easily than from above. Be sure to allow the underside to air-dry before stowing the machine.
Swing-up handle bar Swing-up handle bar Ability to easily fold the handle bar forward to aid in storage.
Upright storage Upright storage Allows the user to store the lawnmower vertically reducing the storage footprint.
High wheels High wheels Large rear wheels marketed to handle bumpy terrain better than standard size wheels.
Optional discharge chute Optional discharge chute The rear-mounted side-discharge chute does not come standard with the product and must be obtained separately if you want the side-discharge cutting mode. Some will be provided free when you return the product's warranty card, while others range in price from $15 to $30.


Deck size (in.) Deck size The diameter of the cutting deck, or cutting swath measured in inches.
Volts (V DC) Volts The voltage of the lawnmower battery. (Some systems combine two batteries in series to achieve the displayed voltage)
Battery capacity (Ah) Battery capacity Energy density of the battery system
Drive wheels Drive wheels Location of powered wheels for self-propelled mowers
Mower warranty (yrs.) Mower warranty The length of time in years the lawn mower is covered by its manufacturer for defects or repairs.
Battery warranty (yrs.) Battery warranty The length of time in years the battery is covered by its manufacturer for defects or repairs.