Lawn Boy 10604 Self Propelled Lawn Mower

The Lawn Boy 10604 20-Inch Gas-Powered Lawn Mower offers power, yet is easy to use. Equipped with the powerful Kohler 149cc 6-1/2engine, this mower requires less maintenance and virtually zero priming. It features 2-bail self-propel and a rear wheel power drive that makes it easier to control no matter what the terrain.

The 20-inch deck of this mower allows ease of maneuvering even around trees and other tight areas. Apart from its smaller size, the deck is shaped like a dome,and is fitted with triple blade that makes mulching with it much better. The Lawn Boy 10604 is able to bag or mulch, and an optional tool is available for side-discharge.

All mowers by Lawn Boy, including this 10604 20-Inch Gas-Powered Lawn Mower, are protected with 2-year warranty for parts and services – much like troy-bilt mowers.

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Product Features

  • 149cc 6-1/2 Gross Torque OHV Kohler Engine. Provides efficient power that enables the mower to mow the thickest and tallest of grass.
  • Rear wheel drive. The self-driving rear wheel provides improved traction in virtually all kinds of terrain.
  • 3-in-1 Ready. With this model, you can bag,mulch and side discharge by using the corresponding tools, which are readily available from Lawn Boy manufacturer.
  • lawnboy modern mower20-inch Cutting Deck. Smaller cutting deck size allows ease of maneuver and is perfect for lawn with many obstacles.
  • Multi-Notched Cutting Blade. Cuts mowed grass into even finer clippings, giving you a cleaner, higher-quality cut.
  • Solid Traction. For a more solid,stable traction, the mower is outfitted with a 7 inch-wheel at the front and an 8-inch wheel at the rear.
  • One-Piece Construction. With its one-piece construction, the Lawn Boy 10604 20-Inch Gas-Powered Lawn Mower stays rigid and durable even after multiple mowing.
  • Variable Cutting Height.Cutting height adjusts from 1 inch to 4 inches, giving you the perfect size every time.
  • Instant Engine Stopping. Once the operator releases the clutch bar, the engine stops within 3 seconds,ensuring safety operation.
  • Compact Storage. To allow easy storage, the Lawn Boy 10604 20-Inch Gas-Powered Lawn Mower  is made with a foldable handle.
  • No Special Tools Required. This model comes almost fully-assembled.
  • Satisfaction Guaranteed. To ensure customer’s satisfaction, all mowers from Lawn Boy are protected with a 3-Year Tru-Start Engine Commitment and Power Train Warranty plus a 2-year full warranty.


  • provides up to 7 different cutting lengths
  • works in every terrain condition
  • very durable
  • equipped with a powerful motor
  • does not need special tools for assembly
  • cuts grass finely,providing cleaner, neater product
  • easy to maneuver around lawn obstacles
  • instant start-up
  • works in 3 ways: bags, mulches and side discharges
  • intuitive controls


  • this particular model is not compliant to CARB



What Customers Say

The Lawn Boy 10604 20-Inch Gas-Powered Lawn Mower offers full power and ease of maneuver, making it the ideal mower for any cutting conditions. Most owners claim that this particular model is close to perfect.

Once the Lawn Boy 10604 20-Inch Gas-Powered Lawn Mower arrives at your doorstep, you simply have to attach the foldable handles. Just follow the instructions and it will be ready for around 15 minutes right after delivery. What’s great is it comes with an oil can,so you do not have to buy a separate oil can for your gasoline.

lawnboy 1064The Lawn Boy 10604 20-Inch Gas-Powered Lawn Mower offers variable cutting lengths and is capable of running smoothly regardless of the terrain condition. Its cutting deck is smaller than the usual, which is actually a plus rather than a disadvantage. The smaller deck makes it possible to use the mower even around bushes, trees and any other lawn improvement. In addition, it is self-propelling, making driving much easier; you can even drive it using only one hand! Older people do not have to worry that the mower would be to fast for them. This model is not that fast, so you can still keep up without running.

The Lawn Boy 10604 20-Inch Gas-Powered Lawn Mower starts up instantly,with a single lever pull. Both self-propel and gas controls are easy to use. The collection bag is simple to attach and take off,and thanks again to the self-propelling rear wheels, it is much easier to drag the bag even when it is already loaded with grass clippings. This model is probably one of the easiest-to-control mowers available.

So, what’s the catch? If you aren’t living in California, there’s probably no problem with the Lawn Boy 10604 20-Inch Gas-Powered Lawn Mower.But if you are, well, you won’t even get the chance to try using this one. This model is non-CARB complaint so using it in California is out of the question.


The Lawn Boy 10604 20-Inch Gas-Powered Lawn Mower  is available in for only $269.00, $30 less than the original price of $299.99. The store also ships it for free,so you don’t have to worry about extra charges.