Lawn Mowers

CRAFTSMAN MD 21 ” Push 3-in-1 Gas Mower

The CRAFTSMAN MD 21″ 3 in 1 Gas Mower is a push type lawn mower. There is not a self propelled option with this model. Consumers looking for self propelled models should look to other models and posts if they need a self craftsman push 21 inch 3 in 1 lawn mowerpropelled mode. As a result it is a little cheaper than other lawn mowers, since there are less features and less material in the lawn mower. Of course you will get more exercise with this lawn mower, which is not a bad thing in todays world.

This is a 3 in 1 lawn mower meaning that you can use the rear bag grass catcher or you can mulch your lawns clippings or just spread them on the lawn through the side discharge. Either way you can achieve that manicured look to your lawn by adjusting the height to a desired level and cutting the lawn catching all grass clippings so that it has that perfect look.

The wheels are all 8 inch diameter wheels. Craftsman has recently added a customer comments section with this lawn mower receiving one very positive review so far.

CRAFTSMAN MD 21 – Specifications:

  • 190 cc Briggs & Stratton 700 Platinum series engine; Delivers 7.0 ft/lbs of gross torque
  • 8” front wheels; 8” rear wheels;
  • 5-position wheel adjustment

Engine: 190 cc Briggs & Stratton 700 Platinum series engine; Delivers 7.0 ft/lbs of gross torque

Propulsion: This lawn mower is a lush type lawn mower. Self propelled is not an option with this model

Warranty: This lawn mower has a 2-year warranty

CRAFTSMAN MD 21 Features:

  • CRAFTSMAN® exclusive MRS (Most Reliable Starting) with concentrated spark energy plug for easier starting under all starting conditions.
  • CRAFTSMAN® exclusive Smooth Start™ engine with a new ergonomic handle;
  • Ready Start featuring a no priming, no choking starting system
  • Fresh Start™ cap and cartridge system slowly realeases fuel stabilizer into the mower’s fuel tank to help keep the fuel fresh for up to 6 months
  • CRAFTSMAN® exclusive Precision™ cutting system delivers high performance bagging and mulching with a durable blade giving your lawn a manicured appearance
  • ergonomic selector knobs; foam handle grip
  • black deck
  • bag/mulch/discharge modes; dark grey dust-blocker bag helps keep dirt away from the operator

Description of the CRAFTSMAN MD 21″ 3 in 1 Gas Mower

Although this model lawn mower is 1 inch smaller than many other consumer lawn mowers, you will still be able to make short work of your lawn. It is a basic model with lots of features that make it a pleasure to use.

It features a ready start system which means that you do not need to prime it or set the choke, just pull the starter chord and away you go.

Another feature of this lawn mower and the Briggs and Stratton engine is the fresh start cap. Basically you add fuel stabilizer to the cap which will slow drip into the tank and keep the gas fresh for up to six months. This can be important for people living in northern communities who put there lawn mowers away for the winter months.

Delivery: All lawn mowers can be picked up at the store or dealer you purchased the lawn mower from. For an additional fee, most will also deliver the lawn mower to you at your home.

Safety & Operation

All motorized equipment should be treated with respect and care. Start by reading all of the safety and operating guidelines outlined in the manual that comes with the CRAFTSMAN MD 21″ 3 in 1 Gas Mower. Follow these guidelines carefully and you should not have any problems with operating the lawn mower.

Always check the engine to make sure that there is sufficient oil in the engine before starting each day. Top up if necessary.  Fill the fuel tank while the engine is cool. A good time to do this is before you start cutting the lawn. Spilt fuel can sometimes cause fires. If you do spill any fuel, wait until it evaporates prior to starting the engine to avoid any chance of fire. Always fill the fuel tank outdoors.

When using the side discharge, never allow anyone to stand in front of the discharge unit.  This is required to avoid being hit by any debris. Shut the engine off before removing the rear bag to empty it of grass or making any other kind of adjustments to the lawn mower.


Maintenance of the CRAFTSMAN MD 21″ 3 in 1 Gas Mower is pretty straight forward. Read the guidelines in the manual and follow them.  Arrange to have your engine tuned up once a year and the oil changed at the same time. This applies to most consumer applications where you are cutting your lawn once a week. If you are using the lawn mower for commercial applications you may need to change the oil more often.

Keep the housing free of debris to avoid the acid from the grass causing the housing to deteriorate. Also keep grass from building up around the muffler to avoid the possibility of fire. Check the spark plug to ensure that it is not corroded and dirty. Replace if it is pitted. Always use clean fresh gasoline for your lawn mower. Following these tips and others in the manual will ensure that your lawn mower will last for many years.

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2 Responses to “CRAFTSMAN MD 21 ” Push 3-in-1 Gas Mower”

  1. Mke Williams Says:

    Is there any other hight adjusters available for this model CRAFTSMAN MD 21” Push 3-in-1 Gas Mower with more hight options?

  2. Mke Williams Says:

    Are there any other height adjusters for this model,CRAFTSMAN MD 21” Push 3-in-1 Gas Mower with more height options?

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