Lawn Boy 17732 Self Propelled Gas Lawn Mower Review

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In Brief: Lawn Boy 17732 Lawn Mower Review

The Lawn-Boy 17732 21 Inch Rear Wheel Drive Self Propelled Lawn Mower is an investment that will keep your lawn looking crisp for years to come. It provides a wonderfully precise trim that leaves your grass looking delicate and pristine, while also being powerful enough to tackle many types of uneven terrain and grass lengths.

Lawn Boy aims to build on each of the qualities that make them a great backyard company and caters toward homeowners who are after reliable and affordable gardening equipment that can be seen as a long-term investment.

Born over a century ago, Lawn-Boy has since been developing motorized gardening equipment that keeps your lawn looking clean and well-kept.

The Lawn-Boy 17732 21 Inch Rear Wheel Drive Self Propelled Lawn Mower is perfect for homeowners on a budget who want a reliable solution to garden maintenance.

Key Specifications of Lawn Boy 17732 Lawn Mower

This mower from Lawn Boy is self-propelled and functions with rear-wheel drive with variable speeds. This provides both improved control and traction, especially in tricky environments, such as wet grass or thick shrubbery.

The 21” done cutting deck is both durable and lightweight and features Lawn Boy’s Tri-Cut system.

The singular blade provides excellent bagging, mulching, and side-discharging capabilities, which provides an overall superior quality of cut.

The 2 point cutting height system allows you to quickly and easily adjust the height of the cutting deck from one side of the lawnmower, for added convenience.

The larger bag opening and bag fill mean you won’t need to deal with loose lawn clippings, and you won’t have to empty the bag as often as you would with any other lawnmower. The bag measures two Bushels in total.

Key Specification table –

Cutting Width
Power Type
Kohler XTX OHV Engine
Engine Size (cc)
Front Wheels (in)
Rear Wheels (in)
Cutting Style
Height Adjuster
2 -Point
Drive System
Rear-Wheel Drive
Washout Port
3 Year Tru-Start
2 Year No Worry Warranty

Unique Features

There are a few features of the Lawn Boy 17732 21 Inch Rear Wheel Drive Self Propelled Lawn Mower that we feel the need to highlight.

Tri-Cut Cutting System

The lightweight and durable 21” steel deep dome cutting deck houses the 17732’s Tri-Cut cutting system.

With this system, the single blade gives this lawnmower a superior quality of bagging, mulching, and side discharge, which, in combination, provides an excellent quality of cut.

This makes this Lawn-Boy mower excellent for folks who want their grass to be cut as precisely and pristinely as possible, while not having to fork out a small fortune to buy an overpriced machine.

If you’re looking to keep your garden looking as good as possible while on a budget, then this mower is for you.

6.5 ft.-lbs. Gross Torque Kohler XTX OHV Engine

This engine is unique to Lawn-Boy lawnmowers and is reliable and easy to start. It does not require an oil change – all you need to do is keep an eye on the oil level.

This is great for those who are not super into the maintenance aspect of owning a lawnmower and instead prefer a user-friendly mowing experience.


Power, Design, and Durability


The 6.5 ft.-lbs. Gross Torque Kohler XTX OHV engine is more powerful than average, while still being extremely user friendly.

This 149cc engine provides an excellent forward motion that makes it feel as though the lawnmower is pulling you along, and does not need as much maintenance as its more powerful counterparts.

If you are after something with immense power, then this lawnmower might not be for you.

But, if you are not power-hungry, and simply want a lawn mower that is going to get the job done effectively, then this is probably the best machine for you.


The design of the Lawn Boy 17732 21 Inch Rear Wheel Drive Self Propelled Lawn Mower is not striking in any way, and matches the standard image of a lawn mower quite closely.

It does have a rear-wheel drive and steel deep dome cutting deck that houses a singular blade to provide an incredibly close and precise cut.


The cutting deck on this Lawn Boy lawn mower is lightweight but still quite durable, so it will take quite a beating to damage this machine.

We don’t recommend moving this mower over rocks or bricks or anything of that nature, or you might damage the blade and subsequently the cutting deck.

With that being said, the Lawn Boy 17732 21 Inch Rear Wheel Drive Self Propelled Lawn Mower will be able to handle quite a bit of roughage.

Cut Quality and Available Options

As we’ve mentioned a few times already, the singular blade contained within the cutting deck offers a much more precise cut in comparison to other lawn mowers of its caliber.

You will likely need to go over thick, tall, or wet grass a couple of times, you likely won’t have a problem achieving the cut you want even in these conditions.

You are able to choose from two different cutting heights using a lever located on the side of the cutting deck, providing you with more versatility and allowing you to cut different lengths of grass.

You also have the option of using different kinds of fuel, depending on how long you have been using this lawn mower for.

Lawn Boy recommends using a fuel that does not contain ethanol and has a maximum octane rating of 87. You should also only use fresh fuel that is not more than 30 days old, and should never mix oil with gas.

Performance and Ease of Usage

The motor on this Lawn Boy mower starts up very easily, but is unfortunately outperformed in terms of power by a lot of its competitors.

It has also become less environmentally friendly as we have progressed towards an age of ecological enlightenment, and many lawn mower manufacturers have started opting for electrically-powered machines.

The motor on the Lawn Boy 17732 21 Inch Rear Wheel Drive Self Propelled Lawn Mower also has a tendency to cut out in grass that is too thick for it to handle, and will suddenly convert itself into a push-behind lawn mower, defeating the point of the self-propelled nature entirely.

In terms of ease of usage, this lawn mower operates like any other, and as such, comes with the same learning curve as most other lawn mowers.

For the most part, you won’t have to put in as much effort, since it is self-propelled, but like we said above, even that tends to fail from time to time.


Ease of Maintenance, Repairs & Warranty

In general, you should always keep your warranty documents safe. Starting this lawn mower will generally never be a problem, but in the case that it is, the Tru-Start warranty will ensure that you are compensated for your troubles.

Unfortunately, the 2-year general warranty is much shorter than most other lawn mower warranties, so you better hope that nothing bad happens to your mower after those two years are up.

Maintaining the Lawn Boy 17732 21 Inch Rear Wheel Drive Self Propelled Lawn Mower is not complicated, and the process is pretty much identical to any other standard lawn mower on the market.

You should clean the cutting deck regularly to ensure that it is not clogged with clippings and other debris, and you should check your oil levels regularly.

Be sure to visit Lawn Boy’s website for more information on their warranty plans.

Price of Lawn Boy 17732 Lawn Mower

In comparison to its competitors, the Lawn Boy 17732 21 Inch Rear Wheel Drive Self Propelled Lawn Mower is very fairly priced, if not slightly on the more expensive side.

We think that the price is quite justified, since you are getting some premium features.

Lawn Boy does have some less-expensive options if you are on a tighter budget, like their 10732 Kohler XT6 OHV, Rear Wheel Drive Self Propelled Gas Lawn Mower.


Who Should Buy It?

This is definitely a budget-friendly lawn mower, so if you are looking for a reliable, precise lawn mower that won’t break the bank, then look no further than the Lawn Boy 17732 21 Inch Rear Wheel Drive Self Propelled Lawn Mower.

It is better suited for small and medium-sized lawns, but can be effective on larger lawns as well.

Why we Like it

We love this lawn mower because of its bang for your buck. Every penny is well spent, especially if you are on a budget. Don’t hesitate to pick up this super affordable machine!


Last update on 2024-07-19 / Affiliate links / Images from Amazon Product Advertising API

About Stephanie Hall

Stephanie is a DIYer and expert in using power tools. She is an architect and also provides design services. A yoga lover, she meditates to keep herself fit.

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