INJORA CNC Aluminum Complete Transmission for 1/18 TRX4M (4M-55)
INJORA CNC Aluminum Complete Transmission for 1/18 TRX4M (4M-55) Black with 40.3:1 Gears (Underdrive 59%)
INJORA CNC Aluminum Complete Transmission for 1/18 TRX4M (4M-55)
INJORA CNC Aluminum Complete Transmission for 1/18 TRX4M (4M-55)
INJORA CNC Aluminum Complete Transmission for 1/18 TRX4M (4M-55)
INJORA CNC Aluminum Complete Transmission for 1/18 TRX4M (4M-55) Black with 16.6:1 Gears (As stock)
INJORA CNC Aluminum Complete Transmission for 1/18 TRX4M (4M-55)
INJORA CNC Aluminum Complete Transmission for 1/18 TRX4M (4M-55)
INJORA CNC Aluminum Complete Transmission for 1/18 TRX4M (4M-55)

INJORA CNC Aluminum Complete Transmission for 1/18 TRX4M (4M-55)

SKU: 4M-55UD-BK
Availability: In Stock Pre order Out of stock
$27.99 USD

Option: Black with 40.3:1 Gears (Underdrive 59%)

Black with 40.3:1 Gears (Underdrive 59%)
Black with 16.6:1 Gears (As stock)
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Product Detail

INJORA CNC Aluminum Complete Transmission for 1/18 RC Crawler TRX4M Upgrade (4M-55)
Compatible with: 1/18 RC Crawler TRX4M
Features:

  • Pre-assembled
  • Made of aluminum
  • Black anodized
  • High precision CNC machined

Specifications:

  • Part Number: 4M-55
  • Material: Aluminum
  • Color: Black
  • Internal Gear: 40.3/1 or 16.6/1
  • Weight: 32g (1.13oz)

Package List:
1 * Complete Transmission

AGE & RECOMMENDATION: Not for children under 14 years. This is not a toy.
Prop 65: ⚠️ California Residents Prop 65 WARNINGS: www.p65warnings.ca.gov
Returns & Refunds: Return options may vary by region. Please see our Return & Refund Policy for details.

  • 5 stars: 8 (89%)
  • 4 stars: 1 (11%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
T
Todd Ostrander

Great stuff for your build! I building a full Injora crawling beast!

A
Arthur St Denis

The detail is so cool on such a small part

T
Tom

Solid transmission. Not overly noisy once setup correctly.

Pro tip. Only use 2 of the 3 motor mounting bolt holes (the horizontal ones). After a day of trying find a horrible noise I realised the 3rd bolt head can touch the motor pinion.

R
Riccardo Iavarone

Quality is impressive, it makes a pleasing sound while it drives, very very smooth😍

R
Rc_shed_italy

The transmission is absolutely perfect. The INJORA quality never fails. It comes pre-lubed with high quality lithyum grease, it makes a very pleasant sound and makes your rig 100 times smoother, absolutely approved

J
Jaime francisco Brotons sansano

Calidad

E
ENRICO MONTALBETTI

Sembra tutto bene ma l'ho provato solo mezz'ora

5
517crawler
The best gearbox in the game

What you get for the money - there is nothing better! I use this transmission in all my builds, never had an issue, every one is perfect. I have tried all other brands, this is THE one.

L
LK
Great Product, but Assembly Was a Challenge!

I’m a big fan of Injora, especially for their great customer support. However, I had significant issues when assembling this transmission. I bought it along with the Fat Viper motor, and after putting everything together, the gears just kept jamming. I wish it was as easy as it looks on YouTube! That being said, once I finally got it to work, the performance was great. I also found online that some people add an extra washer to prevent the gears from getting stuck

S
Stan Stolk

Will this fit with the roverin g30 G2?

INJORA

Yes, compatible.

H
Hector Santos

Is this compatible with fms rcx 18 transmisiion?

INJORA

Not compatible.

G
General Yenko

Hi, is this INJORA CNC Aluminum Complete Transmission for 1/18 TRX4M (4M-55)SKU: 4M-55AS-BK fit for INJORA 180 48T or FatViper 2204 ? Please advise. Thank you.

INJORA

Not compatible with FatViper 2204.

G
George Salinas

Does it come with bearings?

INJORA

Yes.

R
Richard odowd

Dos this have bearings ?

INJORA

Yes.

G
Garrett Good

Will this work with the roverin brushless setup on the trx4m high trail?

INJORA

Yes.

C
Colton Smith

Is this compatible with the injure gold outrunner for a trx4m

INJORA

No.

R
Rick SHIELDS

Will this transmission and the MBL32 G2 Waterproof Brushless ESC & 1721 Purple Viper Outrunner Motor work together?

INJORA

Yes, compatible with TRX4M 1721 Purple Viper & ESC

I
Ignatius Burk

I was wondering if this would make it possible to take a stock motor and have it work with your D shaped drive shafts?

INJORA

Yes, it's compatible with stock motor and our D shaped drive shafts

P
Piotr

It fits 370motor?

Winnie

No, the 370 motor is only compatible with its matching transmission.

P
Patrick Thompson

Will this transmission be louder or quieter than stock?

Winnie

It is generally quieter than the stock transmission.

J
Jose

What the difference between under drive and stock

Winnie

The under drive has a lower gear ratio than the stock and operates at a slower rotational speed.

C
Carlos Flores

Does this work with original traxxas motor?

D
Dim Stofbergen

Is it compatible with the purple viper or gold viper?

INJORA

Yes, compatible.

M
Maddox Xiong

Can I get a 3D model of the Gear Box Only please? I need to Create Something around this Component. If you wish, I can list what part to get so when people make my model I will force them to this Injora TRX4m Transmission. i will NOT share this 3D Model, Sell it or post it on any 3D model Website if you choose. This is optinal but if you do provide it will help me a ton. Thank you. in the mean time ill start making one if you say No. Thanks Injora!

INJORA

No.