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⚡ Power your adventure with torque that never quits!
The INJORA 550 Brushed Waterproof Motor is a high-torque, heat-resistant powerhouse designed for 1:10 scale RC crawlers and trucks. Featuring a 30% longer armature than standard motors, waterproof housing, and a built-in cooling fan, it delivers reliable, long-lasting performance in all weather conditions. Easy to install with bullet plug connectors and compatible with popular models like Axial SCX10 and Traxxas TRX4, this motor is the ultimate budget-friendly upgrade for serious off-road enthusiasts.













| ASIN | B08BFMLM69 |
| Best Sellers Rank | #43,480 in Toys & Games ( See Top 100 in Toys & Games ) #15 in RC Electric Motors |
| Brand | INJORA |
| Brand Name | INJORA |
| Customer Reviews | 4.4 out of 5 stars 483 Reviews |
| Horsepower | 78 Watts |
| Included Components | No. |
| Item Dimensions W x H | 1.42"W x 1.42"H |
| Item Weight | 230 Grams |
| Manufacturer | INJORA |
| Material | Metal |
| Material Type | Metal |
| Part Number | CRAW18345 |
| Product Dimensions | 1.42"W x 1.42"H |
| Shaft Diameter | 3.18 Millimeters |
| Speed | 21 RPM |
| UPC | 792332827485 |
| Voltage | 11.1 Volts |
K**S
strong
This INJORA 550 brushed waterproof motor has been great. It was easy to install on my 1:10 crawler and fit perfectly with no issues. The waterproofing gives confidence for trail runs in wet or muddy conditions, and the 21T provides smooth, reliable power for crawling and general driving. Performance feels solid and consistent, and overall it’s a quality motor for the price.
M**N
Great quality
Runs smooth and sounds well built
E**E
Took a chance and WON.
Works perfect for my rig. Has the speed I want and the low end to slowly approach the stuff I'll be running over. Quiet. Ran multiple batteries and my motor didn't get hot to the touch. Just got warm.
E**Z
Fits traxxas trx4 and Trx6! Just gotta do some minor adjustments.
Well I’ll try to keep this short. So my brother and I have a couple of traxxas RC trail cars. He has the Traxxas TRX4 and I have the Traxxas TRX6. They both run the same Traxxas Titan 550 21t reverse motor. These Injora 550 21t motors Which we purchased for our vehicles due to his starting to go out fit amount just like the stock motor does. It’s a perfect fit except for that this motor does not run in reverse form like the original Traxxas motor does. There are several things you could do to make this motor work like Setting up your Traxxas TQI receiver reverse throttle. You can look that up if needed. Another approach is just connecting the red cable from the esc and plug it to the black motor cable and do the same with the other two. I’ll share the step that I did just so our r/c’s look better. I used a soldering iron and solder for electrical wires so make sure you have some of that on hand. First you remove the red wire from the Injora Motor and remove the black wire as well by melting the solder off and just pulling the cable off. Next step you have to re-solder the red cable where the black cable used to be and solder the black cable where the red one used to be. Plug it in and tada! 🎉 working r/c with new motor and wires match when plugged in. 😯 👍🏼 Hope this helps someone. Oh and final thing I will be heading out to the local hiking spot here by my house to do some trailing with these trucks. I’ll let you guys know in an updated review. Till next time! 🪨 possible 5star if torture test passes. ✌🏼 😂
P**U
Powerful and smooth
So far I've ordered two of these motors, in the 21t configuration, for two Chinese vehicles that formerly came with the cheapo 540 "silver can" motors. Both have been a perfect replacement combining torque and reliability. I may be seeking out a 12t if I ever find an old Traxxas chassis to mess with👀 Overall a great RC product at an affordable price point. Will be frequenting Injora for all my brushed RC motor needs.
W**N
Burned up after 5 hr of hard wheeling on 3s
This would probably last a lot longer if I wasn't doing a 2 mile rock crawling trail followed by a competition as well as 2-3 hours of bashing around. However I wish it had lasted longer.
H**R
Great quality
Great for fixing. Cane fast too
A**R
Works great
This motor is a perfect upgrade for my SCX10ii. A great balance of speed and torque at a nice low price. Already drove through some deep water where it was fully submerged and everything is still working good so I definitely recommend it
M**L
buena compra
estupenda relacion calidad-precio
T**T
All good
What I asked for
T**S
3x Motoren für Schlachtschiff
Funktionieren super
S**N
Très bonne qualité
J'ai monté ce moteur le 21t sur un petit bateau de 60 cm ,couplé avec le variateur 320a et une batterie Lipo 2s, c'est équivalent a du brushless, j'ai était surpris du couple et puissance du moteur, très bonne qualité.
H**G
Perfekt.
Det är okej. Snabb leverans.
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