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Turnigy XK-4074 2000KV Brushless Inrunner

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Turnigy XK-4074 2000KV Brushless Inrunner


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TURNIGY XK motors are without question one of the best motors on the market today. It all starts in our very own factory where we install precision bearings, correctly rated magnets, balanced rotors, tool-steel shafts and stators that are wound by hand. We rigorously test each and every component at 14 critical points during construction, testing everything from materials all the way through to final performance tests.

Because we design and build these motors completely in-house we control the production and ensure product consistency from design right through to shipping. We removed the middle-man to bring you factory prices while not sacrificing quality or performance. 

• Hand-wound for maximum copper fill.
• Precision-balanced rotor will boost the efficiency and power performance of the motor.
• Nickel-plated sintered neodymium rotor for maximum motor acceleration, braking power and performance in high-temperature conditions.

Motor size: 4074
Number of pole: 4
Motor KV: 2000
Max Current: 120A
Max Voltage: 25V / 6S Lipoly
Case Length: 74mm
Case Dia: 40mm
Shaft Dia: 5.0mm
Total Length: 91mm
Weight: 380g

  • Kv(rpm/v) 2000.00
  • Max Current (Motor) (A) 120.00
  • Resistance (mh) 0.00
  • Max Voltage (V) 25.00
  • Power (W) 3000.00
  • Shaft A(mm) 5.00
  • Length B (mm) 74.00
  • Can Diameter C(mm) 40.00
  • Can Length D(mm) 68.00
  • Total Length E(mm) 91.00

Dimension Diagram Guide

  • attributeset-10


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Emre | Verified Buyer

  • Quality
  • Overall
  • Value


Aug 05, 2021

So much power, such small package. Heats up fast. So much power for such a tiny package.

emre | Verified Buyer

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Dec 26, 2020

soooooo much power. I got this to put in the changesun 12 blade high performance 90mm edf. It does not fit... it's off by less than 1mm (no kidding... I sanded the changesun motor housing, and made it fit anyway... and o-m-g the power is unbelievable... it spins too fast to be any use in there though... i think the best is to gear it down or something. For the price, this is incredible power.

Justin | Verified Buyer

  • Quality
  • Overall
  • Value

Not the best

Oct 04, 2020

Cogging a lot and makes weird noises

Thomas | Verified Buyer

  • Overall
  • Value
  • Quality

Good but doesn't come with mounting hardware

May 26, 2019

I purchased the motor from Europe and I live in the UK, it came in less than a week. All good there. It is very high quality and is exactly as advertised but unfortunately doesn't come with a mount or any way of attaching it to a car/boat so I had to DIY my own.

Leo | Verified Buyer

  • Value
  • Quality
  • Overall

Decent motor for 1/8 cars.

Mar 05, 2019

This motor is great for the low price. It has about as much power and torque as a Hobbywing 2200kv motor and runtime is similar. It runs similar temperatures though, which for me means a bit too hot.
I am running this motor in an Arrma Talion using 17/50 gearing.
Speed runs on 6S easily get the motor past 180f even to beyond 200f which is too hot.
For 4S use its perfect though and if you were to gear down I'm sure it would be fine.

Szymon | Verified Buyer

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  • Overall
  • Value

I don't recommend this motor for 10+lbs trucks

Jan 01, 2018

I have installed it in my E-revo (20/65 gearing, 3,8" louise tires), after 5min semi-hard bash on 4S motor temp was too high (~70degC), 5min on 6s - even worse (~80degC). Just keep in mind this is only 50$ budget motor. Torque and power is good. Will try with 15t pinion and some big cooling radiator. I don't recommend this motor for heavier builds, maybe for some 1/8 buggies its OK. If you want good motor for your e-revo that will stay cool - buy some leopard 4274/4082/4282. I have ordered leo 4282 1680kv. Cheers :)

Bo Roger | Verified Buyer

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  • Value
  • Quality

Nice quality!

Nov 16, 2017

I've bought some of the small motors in the same series and they are just plain, will do ok as a standard setup. But this motor really surprised me on arrival: strong magnets and excellent build quality. And it sold for unbelievable 36 euros! This motor is rated for 3000w and I will slam it on my funjet with 6S and 7x10 prop. Hoping for 350-400 km/h.

Michail | Verified Buyer

  • Overall
  • Value
  • Quality

Best Value for Money motor out there.

May 12, 2017

Best Value for Money motor out there. it is at the same class as a leopard in a fraction of the price. in a 80cm boat on 4s and i get 65km/h very easy.

LALIZZLE | Verified Buyer

  • Quality
  • Value
  • Overall

Certified Buyer Rated

May 12, 2016

this motor works great with the timing set to 15 degree. very fast in my p-hydro.

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