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At a budget-friendly price, the ARRMA SENTON 4X2 BOOST 550 MEGA comes with every advantage a new RC short course truck driver could want — 1/10 scale realism, ready-to-run ease, and the potential to reach 30+ mph speeds, all in one faster, tougher SCT RC truck! Even a NiMH battery and charger are included, making it fully equipped for thrilling escapes into remote control racing fun. With a little experience, you can crank the excitement up to eleven by easily upgrading this same short track RC truck with ballistic 3S brushless power and high-traction 4WD.

  • Excellent value ready-to-run package for beginner RC bashers
  • Proven tough ARRMA® platform holds up to bashing abuse
  • Easy to upgrade for increased performance as your RC skills grow
  • Signature easy-access modular design simplifies maintenance
  • Capable of 30+ MPH speeds in optimum driving conditions with optional gearing


In The Box

  • (1) 1/10 SENTON 4X2 BOOST MEGA 550 Brushed Short Course Truck RTR
  • (1) Spektrum™ SLT™ 2-in-1 40A ESC & Receiver
  • (1) ARRMA MEGA 550 12T Brushed Motor
  • (1) Spektrum 2.4GHz SLT2™ Transmitter
  • (1) Spektrum S650 Waterproof Digital Servo
  • (1) Spektrum S120 USB-C Smart Charger
  • (1) Spektrum Smart 8.4V 3300mAh 7-Cell Hump NiMH Battery
  • (4) AA Transmitter Batteries
  • (1) 1/10 SENTON 4X2 BOOST MEGA Manual


Needed to Complete

  • (1) 18W+ QC 2.0 or 3.0 USB Charge Adapter


New Features

  • 2-Wheel drive 4X2 transmission that's upgradable to 4X4 (using 4X4 BOOST Transmission Upgrade Set)
  • Spektrum 2.4GHz SLT2 transmitter with 50/75/100% throttle modes
  • Spektrum SLT 2-in-1 40A ESC & Receiver
  • Spektrum Smart 8.4V 3300mAh 7-Cell Hump NiMH Battery included
  • Spektrum S120 USB-C Smart Charger included
  • AA transmitter batteries included

Additional Features

  • MEGA 550 12T brushed motor
  • Spektrum S650 waterproof digital servo offering 84 oz-in of torque
  • Metal internal geared diff
  • 1.35 module input and main diff gear teeth
  • Strong composite chassis with extended height dirt defenders
  • Impact absorbing bumpers
  • Steering system with stone clearance
  • Easy-access modular design — power, diff, and electronics modules can be removed for maintenance quickly and easily
  • Double-wishbone suspension front and rear for great handling
  • Vented dBoots tires that disperse water for improved durability
  • 2-year limited warranty — see website for details



You need just one RC truck to journey from beginner bashing to extreme all-road blasting, and that’s the faster, tougher ARRMA SENTON 4X2 BOOST 550 MEGA Brushed 2WD. Though it’s easy to drive, affordably priced, and completely ready-to-run — even a 7C NiMH battery and USB charger are included — check out the aggressive 1/10 scale RC short course truck styling for a hint of what’s in store. Speeds of 30+ mph are possible under optimum conditions. With its durable chassis, wide wheelbase, and vented tires, the ARRMA SENTON 4X2 BOOST puts the hammer down on nearly any off-road or paved surface, while its smooth handling has you looking like a short track RC winner straight off of the starting line. The ARRMA design team minimizes your maintenance downtime with an innovative modular chassis that gets you in and out of the pits ASAP. The choice of included Spektrum radio also makes this one of the best RC trucks for beginners. Besides having a grip that fits like a glove, it lets you limit top speeds to 50% or 75% of full throttle until you’re ready to put the pedal to the metal. You won’t always be a new driver, of course, and the brushless-ready design of the ARRMA SENTON 4X2 BOOST SCT RC truck lays the perfect foundation for your next moves. Make and break new speed records with an easy upgrade to 3S brushless power. Install the ARRMA 4X4 BOOST Transmission Upgrade Set (ARA210003, sold separately) in a few simple steps for unstoppable 4WD traction!



Using the 4X4 BOOST Transmission Upgrade Set (sold separately), the 1/10 scale SENTON 4X2 BOOST 550 MEGA Brushed 2WD short course truck can easily be upgraded for the extra traction of 4-wheel drive in just three simple steps.



The 1/10 scale SENTON 4X2 BOOST 2WD short course truck is based on the proven ARRMA 4X4 platform. That means you can easily upgrade from its included 550 MEGA brushed power system to 3S brushless power whenever you're ready for the increased performance.



ARA4103SV4T1 Green SENTON BOOST 4X2 550 Mega 1/10 2WD SC Smart

SKU: 5052127041669
Out of Stock
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