Temper 1/18 Mini Rock Crawler RTR by ECX w/2.4GHz Radio, Battery & Charger

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Low Price: $139.99
Discontinued Online

This is the ECX Temper 1/18 Ready to Run Mini Rock Crawler. The Temper is a breakout release from ECX, and is one of the most affordable 1/18-scale rock crawlers on the market. Rock crawlers may not be fast, but they add a sense of realism to the driving experience by mimicking the off-road rigs that conquer steep climbs and claw their way over rocks in the most brutal environments. The Temper rock crawler has a penchant for unforgiving terrain thanks to its 4WD drivetrain and multi-link suspension, combined with the extreme durability ECX owners have come to expect.


  • Mini high-torque crawler motor
  • Completely locked front and rear differentials
  • Waterproof electronics
  • 2.4 GHz interference Free Transmitter
  • Multi-link suspension
  • Metal ring and pinion gears
  • Aluminum motor plate
  • 2mm plate aluminum chassis
  • Dynamite® 900mAh 7-cell NiMH battery included
  • Dynamite NI-Mh charger included

Vehicle Type: Rock Crawler
Completion Level: Ready-To-Run
Size/Scale: 1/18
Length: 12 in (305mm)
Width: 6.7 in (170mm)
Height: 5.3 in (135mm)
Weight: 30.0 oz (0.85kg)
Ground Clearance: 2 in (50.8mm) At Center Of Chassis
Wheelbase: 8.75 in (222mm)
Front Track: 7 in (178mm)
Rear Track: 7 in (178mm)
Chassis: 2mm Plate Aluminium
Suspension: Solid Axle 3-Link
Shock Type: 3 in (75mm) plastic body
Drivetrain: 4WD
Differential: Locked Differential
Wheel Type: Black Wheel/Blue Beadlock
Wheel Diameter: 1.7 in (43.18mm)
Wheel Width: 0.90 in (22.86mm)
Tire Compound: Standard
Tire Tread: F/R All-Terrain
Tire Diameter: 3.86 in (98mm)
Motor Type: Brushed
Motor Size: 380 Size
Pinion: 14T
Spur Gear: 60T
Gear Pitch: 48-Pitch
Internal Gear Ratio: 7.55:1
Final Drive Ratio: 32.08:1
Speed Control: Included
Radio: ECX 2.4GHz Transmitter, 2-Channel V3
Servos: Included
Batteries: 7.4V 900mAh
Charger: NiMH Wallwart
Body: Painted
Ball Bearings: Complete
Approximate Assembly Time: No assembly required

Needed to Complete:

  • Nothing! Completely ready-to-run with everything you need in one box.

This product was added to our catalog on August 27, 2015.

Charles King
Thursday, Feb 9 2017 (about a year ago)
ECX Temper 1/18 Mini Rock Crawler RTR
I love this little thing. I bought 3 of them. Two were Christmas gifts for my Grandsons. The other was for me!
These are great little crawlers. Not just for the price but really, they are just awesome.
First, they are not fast. Which means it's a lot harder to run it into something and break it. But man will it crawl over stuff.
Second, yeah it comes with a little 900mah battery. Well that little battery lasted close to an hour.
I'm truly amazed at the play time you get per battery on this thing.

For the $$ you get everything you need to play in the box. And the fun is built in too.
Full bearings already so you don't have to tear it apart right away and add those!

I carry mine around in my truck so if I see a place to crawl, I'm ready!

I have since modified my Temper. I put on a different body (The Proline 72 Chevy fits great), some new tires mounted on new alloy wheels, some changes to the shocks to compensate for the added weight of the body and mounting system and it's just a blast.
It utilizes the 12mm hex for the wheels so just about anything 1.9 will fit it. Some of the taller tires will rub on the front trailing arms when you turn the wheels, but you can either adjust the throw on the servo so they don't rub or buy some wideners.

Overall if you are just getting into crawling or your just looking for something different and you don't want to invest $300, this is the crawler for you. You can learn a lot and have a blast. And with the money you save on the initial purchase you can afford to buy an extra battery and charger or some new tires and wheels.)