This is where you begin the notice the differences between the two 18v Makita impact drivers. The Makita DTD171 has 4 pre-set speed settings, and they are: Max: The Makita DTD171 is slightly small at 116mm compared to the DTD154’s 117mm in length. The high of the impact driver will depend on the battery you use. Adjustable Speed Settings and Modes

Makita DTD154 vs DTD171 - Which is The Best Impact Driver Makita DTD154 vs DTD171 - Which is The Best Impact Driver

Both Makita impact drives have the same impacts per minute at 3,800 and no load speed at 3,600. It’s quite disappointing that Makita did not increase these in the DTD171, however, 3,800 IPM and 3,600 RPM is still very good. Brushless Motor The DTD153 is the better Makita impact driver for heavy users as it has the brushless motor. Body Length Size BL motor is electronically controlled to optimize battery energy use for up to 50% longer run time per charge The Makita DTD154 has 175Nm of fastening torque and the DTD171 has 180Nm of fastening torque. The difference isn’t really going to be noticeable, and if you are looking for more fastening torque and your main criteria, considering the price difference, the Makita DTD154 is better value for money. Impacts Per Minute and No Load Speed (RPM)

Technical info

eXtreme Protection Technology (XPT) offers maximum protection against dust, debris and liquids for optimal performance in extreme conditions

Makita DTD154 18v Brushless Impact Driver (All Versions)

Makita DTD154 is one of Makita’s best selling impact drivers in the UK, and now, it has been replaced by the Makita DTD171. If you are looking to replace your impact driver and wondering if it is worth spending extra on DTD171, we will compare them side by side to see the differences. Torque Heavy duty, with an ULTRA-COMPACT design at just 117mm long and the Brushless DC Motor make the DTD154 impact driver one of Makita's best tools to date. It has an electronic 3 stage impact power selector + TEK mode selection which prevents over tightening of fasteners. It's high rotational speed of 3,600rpm and max torque of 175Nm makes it one of the top performers in its class. Both impact drivers come with variable speed trigger for finer power control, and electronic brake when you let go of the trigger. Job Light BL motor eliminates carbon brushes, enabling the BL motor to run cooler and more efficiently for longer life BL motor efficiently uses energy to match torque and RPM to the changing demands of the application

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Makita 18V Li-ion Cordless Burshless Impact Driver With 2 x 5.0Ah Li-ion Batteries in a Makpac Type 2 Connector Case - DTD154RTJ Cordless And Brushless Technology From MakitaThe Makita DTD154 18V Lithium-ion cordless brushless impact driver is ideal for use in outdoor or harsh environments. The outer case design and enhanced dust and drip proof performance makes it much more reliable in comparison to previous models. The DTD154 is developed as the successor to the DTD148. The DTD has a 1 mode which is the following: Tek Mode – This mode gives you full power at the beginning of driving the screw in, once the screw is almost all the way in, the impact driver reduces power to ensure the screw is flush, and to avoid over tingeing of the screw, and screw cam-out. Is it Worth Upgrading From The DTD154 to DTD171? The Makita DTD171 come with twin bright job lights on either side (left & right) of the impact driver for better illumination in dark spaces. The DTD154 has a single job light which is located above the trigger. Body size Both cordless Makita impact drivers are exceptionally good, they have Makita’s high build quality and are compatible with Makita’s 18v batteries. Both impact drivers come with a bright LED job light which is located above the trigger, they have the pre-glow and after-glow functions. Which One Should You Buy?