Redcat Earthquake 3.5 1/8 RTR 4WD Nitro Monster Truck (Blue) w/2.4GHz Radio & .21 Engine

Redcat Earthquake 3.5 1/8 RTR 4WD Nitro Monster Truck (Blue)
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Price: $299.99
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This is the Redcat Racing Earthquake 3.5 1/8 Scale RTR 4WD Nitro Monster Truck, with an included 2.4GHz Radio System and .21 Nitro Engine. The 1/8 scale Earthquake 3.5 delivers BIG BLOCK power at a little block price. Part of the Redcat UltraLite Series, the Earthquake 3.5 is ready to run and ready for fun. The 3.5cc .21 big block engine provides earth shaking power and lightning fast acceleration! A specially designed composite disc brake stops this monster with authority.

The Earthquake 3.5 4x4 monster truck is the bashers dream with 2 sealed differentials, adjustable suspension, oil filled adjustable shocks, powerful engine, and 2 speed automatic transmission. Thanks to the 2 speed transmission, the Earthquake 3.5 has low end power for wheelie popping fun and second gear offers a whole new level of excitement at blistering high speeds. The automatic transmission’s shift point is adjustable so you can tune shifting characteristics to your liking.

The Earthquake 3.5 is ready to run, after following proper break in procedures, and includes a 2.4GHz radio for solid control. The aggressive monster truck tires scream “natural disaster”! These meats are made to tear up the terrain while offering great wear characteristics. There’s no need to go around when you can drive over with the Earthquake 3.5 4x4 Nitro powered Monster Truck!



  • 1/8 scale nitro off-road monster truck
  • Powerful 3.5cc nitro engine
  • Adjustable 2-speed transmission
  • 2.4GHz radio system included
  • Four wheel drive excitement

Motor Type:
Nitro 3.5cc. .21
Transmission: 2-Speed
Drive System: 4 Wheel Drive
Length: 510mm
Width: 380mm
Height: 250mm
Wheelbase: 325mm
Ground Clearance: 58mm
Fuel Tank Capacity: 125cc
Chassis Type: 3.0mm 6061 Aluminum
Brake Type: Composite Disc
Shocks: Oil Filled Big Bore Shocks
Radio System: 2.4GHz Radio System

Needed to complete:

  • 12 AA Batteries (8 for Transmitter, 4 for Vehicle)
  • Glow ignitor
  • Nitro Fuel & filler bottle
Note : See Redcat Nitro Manual under Resources tab for a more detailed 'suggested items' list.

This product was added to our catalog on December 1, 2014

Verified Owner
Wednesday, May 25 2016 (about 4 years ago)
Redcat Earthquake 3.5 1/8 RTR 4WD Nitro Monster Truck (Blue)
This is my first RC Monster truck in 40 years. It was a bit of work to get it broken in. I thought the recoil starter would help, and that electric starter wouldn't be necessary. I will likely retrofit an electric starter to it if it continues to be this hard to start. Maybe I will get better at it. The other truck I looked at was about twice the price. Now that I have had this a week, I like it, and consider it a good value. I am not the "bashing" type, just want to run around the back yard. It works great for that. As with any new hobby, there is a learning experience to be had. I am happy with my purchase for the price.
UPDATE, I bought the starter kit with 2 backplates, two of the holes lined up and there is a third hole exposed on the opposite side. I made a 1/2" x 1/4" diameter standoff with one side flattened off to the thru hole, then used a washer to secure the backplate. Use blue medium loktite on the screws. It works great. Much easier to start.
Verified Owner
Saturday, Jun 6 2020 (11 months ago)
Redcat Earthquake 3.5 1/8 RTR 4WD Nitro Monster Truck (Blue)
Don't waste your money, the rope on the extremely cheap pull starter didn't last through the break in process. Engine refused to idle. Complete junk. (Not my first nitro rc), spend a little more money buy something of decent quality.
Verified Owner
Thursday, May 7 2020 (about a year ago)
Redcat Earthquake 3.5 1/8 RTR 4WD Nitro Monster Truck (Blue)
My truck arrived with a flat tire! One tire has a really soft flat spot. Runs all wobbly. I'm thinking it is defective. Can I get a replacement? Otherwise it's great,arrived fast, runs well.
Friday, Apr 17 2020 (about a year ago)
Redcat Earthquake 3.5 1/8 RTR 4WD Nitro Monster Truck (Blue)
I order this car wait for 2 months nothing come . Contact shop all what they help ne told it my be loose and thats all .. Only waist my time !!! And no respond me more ..

Dont recomend this store amain hobbies :(( really bad service !!!
Verified Owner
Saturday, Dec 29 2018 (about 2 years ago)
Redcat Earthquake 3.5 1/8 RTR 4WD Nitro Monster Truck (Blue)
Do not walk away from this, RUN FAST. Purchased two of these, followed the instructions, could get the motor to run for the break in period of two tank fulls of nitro and then nothing. Both trucks had the same behavior. I went to get with HobbyTown to return them but they would not accept them and only pushed me to Redcat for repair. Don't like it when companies don't stand behind the product they sell. The pull start is beyond difficult to use, ordered an electric starter... from another company and hope that these will work. Needless to say HobbyTown lost a customer forever and Redcat did as well.