Makita XRU18Z 36V vs Makita XRU15PT 36V: Spec Comparison
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You are comparing the makita xru18z 36v vs xru15pt 36v string trimmers. Both tools use a 36V brushless motor system for reliable power. The main difference lies in their configuration and cutting width. The XRU15PT is a complete kit with a 15-inch swath and included batteries. The XRU18Z is a tool-only unit with a wider 17-inch cutting path. You must decide based on your existing battery inventory and preferred cut width.
Key differences
| Aspect | Makita 36V 15" Brushless Trimmer Kit | Makita 36V Brushless 17-Inch String Trimmer |
|---|---|---|
| Cutting Swath | 15 inches | 17 inches |
| Package Type | Kit with two 5.0Ah batteries | Tool Only |
| Speed Control | 3 speed options (3,500-6,500 RPM) | Variable speed trigger |
| Weight | 9.1 pounds | 19 pounds |
Which one should you choose?
Choose Makita 36V 15" Brushless Trimmer Kit if
- You need a complete setup with batteries included for immediate use.
- You prefer precise speed management with three distinct RPM settings.
- You want a lighter tool that is easier to maneuver for extended periods.
Choose Makita 36V Brushless 17-Inch String Trimmer if
- You already own compatible Makita 18V batteries and only need the trimmer head.
- You prioritize a wider 17-inch cutting path for faster coverage.
- You prefer variable speed control via the trigger rather than fixed gear shifts.
Verdict: Choose the XRU15PT if you need a ready-to-use kit with included batteries and prefer fixed speed settings. Select the XRU18Z if you already have batteries and want a wider cutting swath with variable speed control. The XRU18Z is heavier because it lacks the included battery weight.
Makita XRU18Z vs XRU15PT Specs
Cutting Width
The Makita XRU18Z offers a wider 17-inch cutting swath compared to the XRU15PT’s 15-inch width. A broader deck allows you to clear more grass or weeds with each pass. This difference of two inches adds up over time, especially when trimming large areas or thick vegetation. If your priority is covering ground quickly, the XRU18Z provides a clear advantage. The XRU15PT remains effective but requires slightly more passes to achieve the same coverage. Consider your typical yard size when deciding which width suits your workflow best.
Power Delivery
The XRU15PT features Automatic Torque Drive Technology, which automatically shifts RPMs between 3,500 and 6,500 based on load. It also offers three manual speed settings for precise control. The XRU18Z uses a variable speed trigger switch instead. This gives you direct, manual control over the cutting speed. While the XRU15PT automates power management for efficiency, the XRU18Z allows you to adjust output instantly with your finger. Both use brushless motors for high torque. Your preference depends on whether you want automatic optimization or manual trigger control.
Battery Inclusion
The XRU15PT is sold as a kit that includes two 5.0Ah batteries. This means you have power ready to use immediately upon unboxing. The XRU18Z is listed as a tool-only model, with no batteries included in the base package. If you already own compatible 18V LXT batteries, the XRU18Z might be more cost-effective. However, if you are starting fresh, the XRU15PT provides the necessary power source. This distinction affects your initial setup time and whether you need to purchase batteries separately for the XRU18Z.
Weight
The XRU15PT weighs 9.1 pounds. The XRU18Z weighs 19 pounds. This significant difference in weight affects how the tool feels during extended use. The lighter XRU15PT is easier to maneuver and reduces arm fatigue over long sessions. The heavier XRU18Z may feel more substantial but could cause quicker tiredness. Consider your physical comfort and the duration of your trimming tasks. A lighter tool is generally easier to handle for precise work or when holding the trimmer at awkward angles for extended periods.
Line Feed System
The XRU15PT includes a bump and feed trimmer head loaded with 0.080-inch twisted quiet line. This system allows you to extend the line by tapping the head on the ground. The XRU18Z data does not specify a line feed system or include a head in the tool-only description. You may need to source a compatible head separately for the XRU18Z. The included head on the XRU15PT ensures you can start trimming immediately. Check if you already have compatible heads for the XRU18Z to avoid additional purchases.
Which trimmer fits your needs
Users needing a complete ready-to-use kit
The XRU15PT includes two 5.0Ah batteries and a trimmer head loaded with 0.080-inch line. You get a complete system out of the box. The automatic torque drive shifts between 3,500 and 6,500 RPM to balance runtime and power. This kit is ideal if you want everything necessary for immediate operation without buying separate components.
Those prioritizing wider cutting swath
The XRU18Z features a 17-inch cutting width, which is two inches wider than the XRU15PT. This broader swath allows you to clear more vegetation per pass. It uses a variable speed trigger for precise control. This tool-only model is best for existing Makita users who already own compatible batteries and prefer maximum coverage width.
Buyers wanting specific speed management options
The XRU15PT offers three distinct speed settings: low at 3,500 RPM, medium at 5,300 RPM, and high at 6,500 RPM. This allows you to manage power consumption effectively. The bump-and-feed head simplifies line replenishment. If you prefer manual speed selection over a variable trigger, this kit provides the structured control you need for varied tasks.
The products compared
Makita 36V 15" Brushless Trimmer Kit
Best for: users needing a complete battery kit
- Voltage
- 36V (18V X2)
- Cutting Swath
- 15"
- Power Source
- battery
- Motor Type
- brushless
- Line Feed System
- bump feed
- Battery Capacity
- 5.0Ah
View on Amazon: Makita 36V 15" Brushless Trimmer Kit Affiliate link
This is the Makita XRU15PT 36V string trimmer kit. It features a brushless motor and a 15-inch cutting swath. The package includes two 5.0Ah batteries and a bump-and-feed head. You get three speed settings to manage power. This kit suits users who want a complete setup ready for immediate use.
Pros
- Brushless motor for high power and torque
- 15-inch cutting swath for productivity
- Includes two 5.0Ah batteries
- Three speed options for power management
Cons
- Heavier at 9.1 pounds
- Uses bump-and-feed line system
- No variable speed trigger mentioned
Good fit if
- You need a complete kit with batteries
- You prefer automatic torque shifting
- You want a 15-inch cutting width
Skip if
- You already own compatible batteries
- You prefer a lighter tool under 9 pounds
- You want a tool-only purchase
Verdict: Makita XRU15PT 36V 5.0Ah Kit is a solid choice for users who need a ready-to-use setup with included batteries and automatic torque management.
Makita 36V Brushless 17-Inch String Trimmer
Best for: Makita owners wanting wide-path gas-equivalent trimming
- Voltage
- 36V (18V X2)
- Cutting Swath
- 17"
- Motor Type
- brushless
- Included Battery
- Tool Only
- Dimensions
- 8.66 × 75 × 9.76 inches
- Weight
- 10.8 pounds
View on Amazon: Makita 36V Brushless 17-Inch String Trimmer Affiliate link
This cordless string trimmer runs on two 18V LXT batteries to deliver 36V brushless power matching a 30cc gas engine. You get a wide 17-inch cutting swath and a variable speed trigger for controlled clearing. It ships as a bare tool without batteries, suiting you if you already own Makita 18V power packs.
Pros
- Wide 17-inch cutting swath
- Brushless 36V motor delivers power matching a 30cc gas engine
- Variable speed trigger switch
- Zero emissions with no gas mixing or pull starts
Cons
- Sold as a bare tool with no batteries or charger included
- Total weight is 19 pounds
Good fit if
- You already own compatible Makita 18V LXT batteries and chargers.
- You need a wide 17-inch cut swath to clear grass quickly.
- You want 30cc gas-equivalent power without oil mixing or pull cords.
Skip if
- You need batteries and a charger included in the box.
- You want a lightweight trimmer under 19 pounds.
Verdict: Makita 17-Inch 36V Brushless String Trimmer delivers heavy-duty 30cc gas-equivalent output for operators who already own Makita batteries and need a broad 17-inch cutting swath.
Specifications side by side
| Spec | Makita 36V 15" Brushless Trimmer Kit | Makita 36V Brushless 17-Inch String Trimmer |
|---|---|---|
| Voltage | 36V (18V X2) | 36V (18V X2) |
| Cutting Swath | 15" | 17" |
| Power Source | battery | not stated |
| Motor Type | brushless | brushless |
| Line Feed System | bump feed | not stated |
| Battery Capacity | 5.0Ah | not stated |
| Included Battery | not stated | Tool Only |
| Dimensions | 7.09 × 72.8 × 8.78 inches | 8.66 × 75 × 9.76 inches |
| Weight | 9.1 pounds | 10.8 pounds |
| Size | Kit with two 5.0Ah batteries | 17" |
| Color | Teal | Teal |
| Model | XRU15PT | XRU18Z |
Frequently asked questions
Does the Makita XRU18Z come with batteries included?
No, the Makita XRU18Z is sold as a tool-only unit. You must purchase batteries separately. This model is designed for users who already own compatible 36V Makita batteries. It focuses on providing a 17-inch cutting width and brushless motor performance without the cost of a battery kit.
What is the weight difference between the two trimmers?
The Makita XRU18Z weighs 19 pounds, while the XRU15PT kit weighs 9.1 pounds. The significant weight difference is due to the XRU15PT including two 5.0Ah batteries in its package. The XRU18Z is lighter when measured without batteries, but the listed weight likely includes standard accessories or packaging for the tool-only version.
Which model is better for someone who does not own Makita batteries?
The Makita XRU15PT is the better choice for new users. It comes as a complete kit with two 5.0Ah batteries. You do not need to buy additional power sources to start using it. The XRU18Z is tool-only and requires you to source compatible batteries separately.
How wide is the cutting path on the XRU18Z?
The Makita XRU18Z features a 17-inch cutting width. This is two inches wider than the 15-inch path of the XRU15PT. A wider swath allows you to cover more ground per pass, which can improve efficiency when trimming large areas of grass or weeds.
Are both trimmers equipped with brushless motors?
Yes, both the Makita XRU18Z and the XRU15PT use brushless motors. This technology offers improved efficiency and longer motor life compared to brushed alternatives. Both models operate on a 36V system, providing reliable power for various trimming tasks without the need for frequent maintenance associated with brushed engines.
What is the physical size of the XRU15PT kit?
The XRU15PT kit measures 7.09 inches in length, 8.78 inches in height, and 72.8 inches in width. These dimensions reflect the compact storage size of the tool and included batteries. The width likely represents the extended shaft length for operational use, while the other dimensions describe the main unit.
Does the XRU18Z have a wider deck than the XRU15PT?
Yes, the XRU18Z has a 17-inch cutting width, which is wider than the XRU15PT’s 15-inch width. This extra two inches can help you clear debris faster. The wider path is particularly useful for maintaining larger lawns or clearing thick vegetation with fewer passes.

