KRATON 4S
Arrma · Monster truck
Setup shownRed · ARA4408V2T3
Just under 2 A4 sheets
21.5 in / 54.7 cm long1/10 scale
Off-road driving
Getting started.
In the box
- 1 × ARRMA KRATON 4S BLX 4WD 1/10 Scale Speed Monster Truck RTR
- 1 × Spektrum Firma 120A V2 Smart Waterproof* ESC
- 1 × Spektrum Firma 3668 2400Kv Brushless Motor
- 1 × Spektrum S662 Metal-Geared Waterproof* Digital Servo
- 1 × Spektrum 2.4GHz SLT3 Transmitter & SR315 Receiver
- 4 × AA Batteries
- 1 × Instruction Manual
How this rig’s radio works
Your controller sends the commands. The receiver takes them in, and the speed controller (ESC) controls power to the motor.
This version has a separate receiver and speed controller.
- Receiver
- Spektrum 2.4GHz SLT3 Transmitter & SR315 Receiver
- Speed control (ESC)
- Spektrum Firma 120A V2 Smart Waterproof* ESC
What else you need
- (2) 2S, (1) 3S, or (1) 4S Hardcase LiPo Battery
- (1) Compatible Charger
Replacement parts.
Find the part number for your version, then check its stock at Arrma.
From Arrma.
- Metal center differential for increased traction
- Updated chassis with center diff module, hinge pin bracing, and dirt drain
- Outdrive protectors, taller side guards, and wishbone dirt guards
- Higher torque Spektrum S662 metal-geared digital servo with alloy case center
- Cooler running Spektrum Firma 120A V2 Smart ESC
More features
- Improved battery retention system with wire clips
- Fully assembled, finished, and ready-to-run
- Spektrum SLT3 2.4GHz transmitter and dual protocol SR315 receiver
- Spektrum Firma 3668 2400Kv brushless motor with ARRMA heatsink and cooling fan
- EXB all-metal gear diffs
- EXB CVD front and rear driveshafts
- Wide 17.72 inch front and rear track for aggressive bashing
Details, when you need them.
Specifications
- Approximate Assembly Time
- No assembly required
- Ball Bearings
- Full Set, Rubber Shielded
- Battery
- Sold Separately
- Body
- Painted, decalled and trimmed
- Brakes
- Integral with ESC
- Bushing Material
- Metal
- Charger
- Sold Separately
- Chassis
- Molded composite
- Completion level
- Ready-To-Run
- Connector Type
- IC5, EC5
- Differential
- 2 Gear Diffs
- Drive Type
- Forward/Brake/Reverse
- Drivetrain
- 4WD
- Final Drive Ratio
- 12.48
- Front Track
- 17.72" (450mm)
- Gear Pitch
- 0.8 MOD
- Internal Gear Ratio
- 2.85
- LiPo Compatibility
- 4S, 3S
- Max Battery Dimensions
- 6.14x2.01x1.89 in (156x51x48 mm)
- Motor Size
- 3668-2400Kv
- Motor Type
- Brushless
- Pinion
- 13T
- Power System
- 4S
- Power type
- Electric
- Product Height
- 8.11" (206 mm)
- Product Length
- 21.54" (547 mm)
- Product Weight
- 9.26lbs (4.2kg)
- Product Width
- 17.72" (450 mm)
- Radio
- Included
- Rear Track
- 17.72" (450mm)
- Receiver
- Included
- Scale
- 1/10
- Sensored
- No
- Servos
- Included
- Shock Type
- Aluminum body, oil-filled, coil-over springs
- Speed Control
- Included
- Spur Gear
- 57T
- Steering Type
- 2WS
- Suspension
- Independent
- Technology
- Smart, Dual Protocol RX (DSMR/SLT)
- Tire Tread
- dBoots
- Vehicle Size
- Standard
- Vehicle type
- Monster Truck
- Water-Resistant
- Yes
- Wheel Hex Size
- 17mm
- Wheelbase
- 13.98" (355 mm)
Source & date
Product information from Arrma. Checked .