Makita XML03CM1 Review: 18-Inch Brushless Mower Kit

Updated on September 5, 2026

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The Makita XML03CM1 is an 18-inch brushless push mower powered by two 18V LXT batteries. Its kit includes four 4.0Ah packs, a dual-port charger, a commercial-grade steel deck, and a quiet mode that holds blade speed near 2,500 rpm.

Makita now marks the XML03CM1 discontinued. It can still suit an LXT owner who wants a compact steel-deck mower, but remaining inventory should be priced below current models and include fresh batteries, the charger, bag, and mulch plug.

Check Makita XML03CM1 price and availability on Amazon

Makita XML03CM1 specifications

  • Power: 36V using two 18V LXT batteries
  • Included batteries: four 18V 4.0Ah BL1840B packs
  • Charger: DC18SH dual-port charger in the CM1 package
  • Motor: brushless, up to 3,300 rpm
  • Quiet mode: constant speed around 2,500 rpm
  • Cutting width: 18 inches
  • Deck width: 19-inch commercial-grade steel
  • Drive: manual push
  • Cutting height: 0.8125 to 3 inches
  • Bag capacity: 1.7 bushels; replacement bag listings also describe about 16 gallons
  • Weight: 60.5 pounds bare and about 63.3 pounds with a working battery pair
  • Weather resistance: IPX4 with Makita XPT dust and water protection
  • Replacement blade: Makita 199367-2

How the four batteries work

The XML03 uses two 18V packs at the same time. The CM1 kit provides two complete working pairs. When the first pair is depleted, stop and install the second charged pair. The mower does not automatically switch among all four batteries.

Makita advertised more than one-third acre in 43 minutes or less using all four included 4.0Ah batteries. That is a controlled-condition claim. Tall, wet, or dense grass, a low cutting height, dull blade, and frequent starts reduce the area covered.

Use batteries of the same capacity and similar charge level as a pair. The broad Makita LXT ecosystem is a major advantage if you already own compatible 18V tools, but older marketplace batteries can have less usable capacity than new packs.

Steel deck and cutting performance

The 19-inch steel deck supports an 18-inch blade, giving the XML03 a smaller footprint than a 21-inch mower while retaining the durability of metal. The narrower blade needs more passes but is easier around gates and landscaping.

The brushless motor reaches 3,300 rpm for heavy cutting. Quiet mode holds a lower constant speed around 2,500 rpm to reduce noise and conserve energy when conditions are easier. Makita’s Star Protection controls help protect compatible batteries from overload, over-discharge, and overheating.

The replacement blade is part 199367-2 and uses a one-bolt installation. Confirm blade, bag, and mulch-plug availability before buying discontinued inventory.

Cutting height is the main limitation

The single-lever range runs from about 13/16 inch to 3 inches. That accommodates lower-cut turf but is restrictive for homeowners who keep tall fescue or other cool-season grass at 3.5 to 4 inches. Buyers should match the range to their grass rather than assume every 18-inch mower offers the same height.

When grass has grown too tall, use the highest setting and make a second pass later. Removing too much blade length at once stresses the lawn and raises mower load.

Bagging and mulching

The standard CM1 package includes a grass bag and mulch plug. The 1.7-bushel bag is large for an 18-inch mower and keeps clippings contained. The XML03 is best understood as a mulch-or-bag model; it is not the most flexible choice if side discharge is important.

Mulching works best in dry grass with frequent mowing. Bagging gives a cleaner finish but increases emptying stops and total effort. Remove both batteries before installing the plug, clearing the deck, or touching the blade.

Our research method

Our reviews are research-based. We compare official specifications, manuals, warranty terms, owner feedback patterns, current availability, and competing products. Unless we specifically say otherwise, the product has not been personally tested by our editorial team.

Who should buy it?

  • Makita LXT owners with a small, mostly flat lawn
  • Buyers who want a compact steel deck and brushless motor
  • Users who mow at 3 inches or lower
  • Shoppers who find a complete discontinued kit at a substantial discount

Who should skip it?

  • Homeowners who need a 4-inch cutting height
  • Anyone who wants self-propelled drive
  • Buyers who need side discharge
  • Shoppers paying current-model prices for old inventory

XML03CM1 versus XML10CM1

The Makita XML10CM1 has a wider 21-inch cut, lighter composite deck, and taller 4-inch maximum, but uses a brushed motor. The XML03 has a smaller steel deck, brushless motor, and quiet mode but tops out at 3 inches. Both CM1 kits include four 4.0Ah batteries and are now discontinued.

For a current compact cordless alternative, compare the Greenworks 25322. For a full-size current kit, see the EGO LM2101.

See the Makita XML03CM1 listing on Amazon

Pros and cons

Pros

  • Brushless motor and steel deck
  • Four batteries provide two working pairs
  • Quiet mode for lighter cutting
  • Compact 18-inch cut
  • Large Makita LXT battery ecosystem
  • IPX4 and XPT protection

Cons

  • Discontinued model
  • Only a 3-inch maximum cut
  • Not self-propelled
  • No automatic battery-pair changeover
  • Heavy for an 18-inch push mower
  • No conventional side-discharge mode

Frequently asked questions

Does it use all four batteries at once?

No. It uses two 18V batteries at a time. The other two form a second pair that must be installed manually.

Is the XML03CM1 self-propelled?

No. It is a manual-push mower.

How high can it cut?

The maximum listed cutting height is 3 inches.

Is it discontinued?

Yes. Makita’s official product page marks the XML03CM1 kit discontinued.

Can current Makita LXT batteries work?

Compatible 18V LXT batteries can work when used as a properly matched pair. Confirm the manual and battery compatibility before purchase.

Verdict

The Makita XML03CM1 remains capable hardware, especially for an LXT household that values a compact steel deck and quiet mode. Its discontinued status, 3-inch height ceiling, and push design narrow the audience. Buy only as a complete, discounted kit after checking battery condition and replacement parts.

Check current Makita XML03CM1 offers on Amazon

Sources