Holmes Hobbies TrailMaster Sport 550 Brushed Motor (27T)
About this part
Features:
- Zero timing, universal installation and rotation direction
- 1/8th inch shaft diameter
- 36mm OD x 57mm length (not including shaft)
- m3 mount holes, 25mm spacing, "540" standard
- ball bearing on output side
- bronze bushing on end bell side
- High strength Y45 Ferrite magnets
Reviews4.8 · 12 reviews
Just dropped this in my TRX4 (2s lipo) and it does exactly what I wanted; noticeably more grunt than the stock unit while only giving up a little high end speed. Makes "scale" driving a lot more controllable. It also runs pretty quietly, after a short break in period.
Using it in the TRX4 with the 1080 ESC on 3S for a couple month now. Very good, cheap motor. Lots of power. Will buy again!
Excellent! Picked up a Bomber and didn't want to move to a lower RPM motor so I thought I would try the 27t 550 and couldn't be happier! I really like this motor paired with the WP1080, LOTS of torque at low speeds for crawling but the 27t RPM allows me to mob around on smoother stuff. It's a very good balance. I picked up a 45T for my Wraith too! (strictly crawling) The can is slightly longer, if you are looking to put this in a SCX10ii you might have to trim the battery holder. I haven't tried it just we noticed looking at the motor on my Honcho. If you are changing motors get the 550 you'll love the extra torque.
Amazing motor with loads of low end torque. I swapped this into my RedCat Gen8 and wow now the truck not only crawls with ease in a scale slow fashion without hesitation but also the start from a dead stop is very smooth and refined. Highly recommended motor!
the real big difference is the torque. When u give little gas the motor spin little gas. You dont need more gas compared stock motor because i think the internal rotor is bigger than stock motors. This means its very similar torque than brushless motor. If u make more scaler and crawler on rocks this is the best option u can have on this planet. If you need more bashing and run in sand , snow large spaces get the 21 t thant has little more speed. 5 STARS
Reviewers consistently describe this 27T brushed 550 motor as a torque-oriented upgrade, mainly for scale crawling in TRX4, RedCat Gen8, Wraith, SCX10 II and Beast II type trucks. Most report noticeably more low-speed torque than stock motors, smoother starts and better slow-speed control, at the cost of top speed. Several reviewers note it is a good value. One reviewer, a verified 3/5 owner, reported the motor later dragged and would not stop cleanly on hills after roughly a year of light use. Reviewers mention pairing with Hobbywing 1080 ESCs on 2S or 3S packs. One reviewer advises a 21T for more speed in bashing, and another notes the can is longer, which may require trimming the battery holder in an SCX10 II.
- + Strong low-end torque
- + Smooth, controllable crawling
- + Good value for price
- + Easy installation
- − Reduced top speed
- − One report of drag and failure to stop on hills
- − Longer can may need battery holder trimmed