• 
  ARA7612T1 BIG ROCK 6S - Gunmetal
  TOUGH AS A BOULDER, SLEEK AS A GEM
• 
  65+ MPH Top Speed achievable in optimum driving conditions using included speed pinion
  ARA7612T2 BIG ROCK 6S - Red
  RUGGED TRUCK STYLING
• 
  65+ MPH Top Speed achievable in optimum driving conditions using included speed pinion
  ARA7612T3 BIG ROCK 6S - White
  NEXT GEN SPEKTRUM ELECTRONICS
• 
  65+ MPH Top Speed achievable in optimum driving conditions using included speed pinion
  ARA7612T3 BIG ROCK 6S - White
  FEARLESSLY TACKLE ALL TERRAIN AND CONDITIONS
• 
  ARA7612T2 BIG ROCK 6S - Red
  INCOMPARABLE SCALE STYLE
• 
  65+ MPH Top Speed achievable in optimum driving conditions using included speed pinion
  ARA7612T3 BIG ROCK 6S - White
  BASH READY ARRMA TOUGHNESS
• 
  65+ MPH Top Speed achievable in optimum driving conditions using included speed pinion
  ARA7612T1 BIG ROCK 6S - Gunmetal
  MASSIVE, DIRT-CHUCKING MONSTER
• 
  65+ MPH Top Speed achievable in optimum driving conditions using included speed pinion
  ARA7612T2 BIG ROCK 6S - Red
  REALISTIC SCALE DETAILS
• 
  65+ MPH Top Speed achievable in optimum driving conditions using included speed pinion
  ARA7612T3 BIG ROCK 6S - White
  BIG, FIERCE, FAST & TOUGH

The BIG ROCK gets BIGGER

Substance and Style

• 
  ARA7612T3 BIG ROCK 6S - White
• 
  SUPER DETAILED
  high-quality body shell
  tops the BIG ROCK off
  ARA7612T3 BIG ROCK 6S - White
• 
  CLEAN LINES
  hidden front mounting keeps
  body neatly & securely attached
  ARA7612T2 BIG ROCK 6S - Red
• 
  THREE AWESOME COLORS
  ARA7612T1
  ARA7612T2
  ARA7612T3
  BIG ROCK 6S
  BIG ROCK 6S
  BIG ROCK 6S
  GUNMETAL
  RED
  WHITE
• 
  BIG ROCKS
  or small - the wide front bumper
  helps you blast through the terrain
  ARA7612T1 BIG ROCK 6S - Gunmetal
• 
  MIRROR. SIGNAL. MANEUVER
  detailed, foldable side-view mirrors with reflective
  lenses amplify the scale appearance of BIG ROCK 6S
  ARA7612T1 BIG ROCK 6S - Gunmetal
• 
  MOLDED TRUCK BED
  with integrated roll structure gives
  strength & style to the BIG ROCK 6S
  ARA7612T2 BIG ROCK 6S - Red
• 
  REALISTIC
  rear bumper rounds
  out the scale look
  ARA7612T3 BIG ROCK 6S - White
• 
  STILL TOUGH
  the BIG ROCK 6S retains legendary
  ARRMA durability to match its style
  ARA7612T2 BIG ROCK 6S - Red

Built for Bashing

• 
  TOUGH TIRES
  vented dBoots RAGNAROK
  tires provide the traction
  ARA7612T1 BIG ROCK 6S - Gunmetal
• 
  TUNED SHOCK PACKAGE
  eats-up anything in the path of the BIG ROCK 6S
  ARA7612T1 BIG ROCK 6S - Gunmetal
• 
  ALUMINUM SHOCK TOWERS
  with stealthy black anodized
  finish for subtle appearance
• 
  BRACED
  FOR IMPACT
  BRACE
  BRACE
  BRACE
  CHASSIS
  SHOCK
  TOWER
  SHOCK
  TOWER
  triangulated chassis to shock tower and tower-to-tower bracing
  system gives the BIG ROCK 6S the strength to match its style
• 
  KEEP YOUR GUARD
  deep side guards protect the BIG ROCK 6S from
  dirt ingress and key to the body for strength
• 
  ROLL WITH IT
  integrated roll structure adds muscle to the
  magnificence of the BIG ROCK 6S body
• 
  BLACK ANODIZED ALUMINUM
  17mm wheel hexes, hub nuts & steering plates
• 
  ARA7612T2 BIG ROCK 6S - Red

Updated Spektrum Electronics

• 
  SPEKTRUM S665 SERVO
  • 20KG / 270oz-in torque
  
  
  • 0.12s / 60 degree speed
  
  
  • 11% more torque than previous 6S RTR servo
  
  
  • 7.4v operation for more power
  
  
  • Alloy case center provides improved heat dissipation
  
  
  • All steel gears with 25t output spline
• 
  FIRMA 150A V2 SMART BRUSHLESS ESC
  • Waterproof and dustproof design
  
  
  • 150A, 6S LiPo ready (3S, 4S & 6S LiPo compatible)
  
  
  • Spektrum SMART Technology
  
  
  • Fitted with reliable IC5 connectors (EC5 compatible)
  
  
  • Integrated fan for reduced heat during extreme running
  
  
  • High quality 10awg wires
  
  
  • Low voltage cut off and thermal overload protection
  
  
  • User programmable punch, brake, BEC, reverse speed and motor timing settings
  
  
  • Improved punch and driving feel
  
  
  • Fresh monochrome design
• 
  SPEKTRUM SLT3 2.4GHz
  3 CHANNEL TRANSMITTER
  • Fast Response SLT Protocol
  
  
  • Foam wheel
  
  
  • Improved Grip & Trigger Feel
  
  
  • Improved Grip & Trigger Force
  
  
  • 2-Way Thumb Switch 3rd Channel
  
  
  • 50% & 75% Throttle Mode (For Beginners)
  
  
  • TACTIC SLT Receiver Compatible
• 
  SPEKTRUM SR315 3 CHANNEL
  DUAL PROTOCOL RECEIVER
  • Dual Protocol - Compatible with SLT and DSMR 2.4GHz protocol transmitters
  
  
  • Fast response rate and outstanding range
  
  
  • Zero tool binding and protocol switching
  
  
  • SMART telemetry compatible (in DMSR mode and with SPEKTRUM dashboard app)
  
  
  • 3-Channel
• 
  SPEKTRUM FIRMA 4074
  2050Kv BRUSHLESS MOTOR
  • Beautifully etched aluminum can
  
  
  • 4-pole construction for smooth and consistent power
  
  
  • 4mm gold bullet connectors for reliable and efficient connection
  
  
  • Black anodized aluminum motor can for increased heat dissipation
  
  
  • Super strong 5mm shaft
  
  
  • Groove at the end of the motor shaft allows the installation of a pinion retaining E-Clip
• 
  ARA7612T1 BIG ROCK 6S - Gunmetal

Under the Hood

• 
  ALUMINUM SHOCKS
  • 16mm bore diameter
  
  
  • aluminum bodies and caps
  
  
  • anodized black
  
  
  • rubber shock boots
  
  
  • 4mm steel shafts
  
  
  • 1300cSt silicone oil
  
  
  • front pistons: 8 x 1.2mm
  
  
  • rear pistons: 8 x 1.3mm
• 
  RUBBER
  SHIELDED
  BEARINGS
  reduced maintenance
• 
  SLIDING MOTOR MOUNT
  quick & easy motor removal
  
  updated large diameter flanged head screws for secure motor
  location with deeper hex for increased driver engagement
• 
  WATERPROOF RECEIVER BOX
  keep out the worst of the elements
• 
  METAL GEARED DIFFERENTIALS
  oil filled, tunable front, rear and center diffs
• 
  LIMITED SLIP
  center differential with 100k oil provides
  more drive to the loaded axle, improving
  traction, acceleration and handling
• 
  KEEP COOL
  heatsink & fan keep the
  motor temperature down
• 
  ARA7612T3 BIG ROCK 6S - White

Light the Way

• 
  LIGHT THEM UP
  add an optional lighting set to show
  the way, any time of day or night
  ARA480075 - BIG ROCK 6S Lighting Set
  Available early 2024
  ARA7612T1 BIG ROCK 6S - Gunmetal
• 
  BRIGHT LIGHTS. BIG CITY
  front lights pierce their way through the night
  ARA480075 - BIG ROCK 6S Lighting Set
  Available early 2024
  ARA7612T1 BIG ROCK 6S - Gunmetal
• 
  ON YOUR TAIL
  rear lights shine bright in the darkness
  ARA480075 - BIG ROCK 6S Lighting Set
  Available early 2024
  ARA7612T1 BIG ROCK 6S - Gunmetal
• 
  65+ MPH Top Speed achievable in optimum driving conditions using included speed pinion
  ARA7612T3 BIG ROCK 6S - White
• 
  65+ MPH Top Speed achievable in optimum driving conditions using included speed pinion
  ARA7612T1 BIG ROCK 6S - Gunmetal
• 
  65+ MPH Top Speed achievable in optimum driving conditions using included speed pinion
  ARA7612T1 BIG ROCK 6S - Gunmetal

Specifications

Resources

ARA7612T1

BIG ROCK 6S 4WD BLX 1/7 Monster Truck RTR Gunmetal

Product Page / Downloads

Exploded View (Interactive)

Standard Parts

Option Parts

ARA7612T2

BIG ROCK 6S 4WD BLX 1/7 Monster Truck RTR Red

Product Page / Downloads

Exploded View (Interactive)

Standard Parts

Option Parts

ARA7612T3

BIG ROCK 6S 4WD BLX 1/7 Monster Truck RTR White

Product Page / Downloads

Exploded View (Interactive)

Standard Parts

Option Parts