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  • Ready-to-run - just add battery and charger
  • Install a 2S LiPo battery for 35+ mph maximum speed
  • Use a 3S battery for 50+ mph top speed
  • Spektrum DSC (Dynamic Stability Control) and throttle limiting keep you in control
  • Stronger, ventilated composite chassis
  • Super-tough 4X4 drivetrain
  • Easy to use center diff module
  • All-metal gear center differential
  • Stealth monochrome electronics
  • Stronger all-terrain suspension
  • Adjustable oil-filled shocks
  • Impact absorbing bumpers
  • Higher side guards for improved dirt management
  • Driveshaft stone guard
  • Spektrum SLT3 2.4GHz 3-channel transmitter
  • Spektrum S662 metal-geared waterproof digital servo
  • Spektrum SLT 80A 2-in-1 waterproof 2S/3S ESC and receiver
  • Spektrum 3100Kv brushless motor and 35mm motor cooling fan
  • Hidden clipless body retention system
  • Truck body with grille, nameplate, and other details
  • Folding wing mirrors
  • dBoots Ragnarok all-terrain tires
  • 4 “AA” transmitter batteries
  • Includes 2.0mm and 2.5mm hex drivers
  • 2-Year limited warranty (see website for details)
  • *For details on waterproof standards, please refer to the product instruction manuals.

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    Copyright Text - 2025 Modelflight

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    Arrma Big Rock 223S DSC 4X4 BLX Monster Truck, RTR, Black, ARA4312V4T1

    SKU: ARA4312V4T1
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    Blast into brushless truck bashing with the scale realism, dirt-chucking performance, and 50+ mph speed potential of the ARRMA BIG ROCK 223S BLX 4X4. Advance from 2S to 3S power as your experience grows - without buying upgrades or changing vehicles.

    $699.99
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    Arrma Big Rock 223S DSC 4X4 BLX Monster Truck, RTR, Black, ARA4312V4T1

    SKU: ARA4312V4T1
    $699.99
    Loading...
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    Blast into brushless truck bashing with the scale realism, dirt-chucking performance, and 50+ mph speed potential of the ARRMA BIG ROCK 223S BLX 4X4. Advance from 2S to 3S power as your experience grows - without buying upgrades or changing vehicles.

    In stock

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