Arrma Kraton 1/10 4s 4×4 Truck
RCTalk is supported by our readers. When you purchase through links on our site, we may earn an affiliate commission. Learn more
Arrma Kraton Overview
Introduction
Unleash big-time bashing power with the ARRMA 1/10 KRATON 4S 4X4 BLX RTR — a brushless monster truck that hits the sweet spot between agility and raw strength. With its upgraded aluminum-cased center diff for superior traction, a revamped 4S-capable Spektrum brushless system, and reinforced chassis elements, this beast is built to dominate.
Enhanced dirt protection, a high-torque metal-geared servo, and two new colorways make it as rugged as it is eye-catching. Whether you’re tearing up the backyard or the local bash spot, the KRATON 4S is ready to send it.
Arrma Kraton Parts List
Transmission & Differential
AR310775 – Differential Outdrives Metal (2)
AR310783 – Composite Differential Yoke Set
AR310865 – Differential Planet Gear (4)
AR310875 – Input Bevel Gear 13 T?Safe-D5 (front/rear input gear)
AR310883 – Input Bevel Gear 24 T (centre diff gear)
AR310906 – Aluminium Wheel Nuts 17 mm Red (4)
Chassis, Body & Bracing
AR320400 – Radio Box Set (receiver/ESC enclosure)
AR320410 – Bumper Springs (2)
AR320453 – Body Post Set (adjustable front & rear posts)
AR320681 – Centre Brace Bar (265 mm red anodised)
AR320806 – Battery Mount/Side-Guard Set (composite)
AR320807 – Rear Wing Mount & Wheelie-Bar Module
Suspension & Steering
AR330518 – Steering Blocks (L/R)
AR330519 – C-Hubs (L/R)
AR330522 – Front Lower Suspension Arm (L)
AR330523 – Front Lower Suspension Arm (R)
AR330524 – Rear Lower Suspension Arm (L)
AR330531 – Rear Lower Suspension Arm (R)
AR330692 – Front Upper Tie-Rod Turnbuckles (2)
AR330694 – Rear Upper Tie-Rod Turnbuckles (2)
AR330698 – Servo-Saver Bell-Crank Set
AR330706 – Front Upright Hub (L)
AR330707 – Front Upright Hub (R)
AR330708 – Rear Hub-Carrier (L)
AR330709 – Rear Hub-Carrier (R)
AR330710 – Wing Mount Main Tower
AR330716 – Shock Tower Front (3-mm aluminium)
AR330717 – Shock Tower Rear (3-mm aluminium)
AR330720 – Front Shock Shafts (2)
AR330721 – Rear Shock Shafts (2)
AR330731 – 15-mm Bore Shock Bodies Front (2)
AR330757 – 15-mm Bore Shock Bodies Rear (2)
AR330758 – Shock Top-Cap Set (4)
AR330762 – Shock Piston & O-Ring Service Pack
Driveline & Power-train
AR340137 – Slipper/Spur Gear 57 T 0.8 Mod
AR390001 – Pinion Gear 13 T 0.8 Mod Safe-D5
AR390165 – Centre Driveshaft Set (composite slider)
AR390289 – Centre Diff Output Coupler (front)
AR390290 – Centre Diff Output Coupler (rear)
AR480017 – dBoots Copperhead 2 Tyre/Wheel premounted (1)
Electronics & Radio
AR610014 – Spektrum SLT3 2.4 GHz Transmitter
AR610038 – Spektrum Firma 120 A Smart ESC
AR610044 – Spektrum 2400 kV 3668 BLX Motor
AR610045 – Motor Heatsink & 30 mm Cooling Fan
AR610046 – Motor Mount Set (split-block aluminium)
SPMS662 – Spektrum S662 Metal-Gear Steering Servo
SPMSR315 – Spektrum SR315 3-ch Receiver (DSMR/SLT dual-protocol)
SPMXSE2120 – Spektrum 120 A Brushless ESC (OEM label)
SPMXSM2100 – Spektrum 2400 kV 3668 Motor (OEM label)
Bearings, Pivot Balls & Misc.
AR716025 – Bearing 12 × 18 × 4 mm (2)
AR713014 – Hinge-Pin & Wheel-Axle Cross-Pin 3 × 17 mm (4)
AR713029 – Drive-Cup Cross-Pin 2.5 × 15.2 mm (4)
AR702002 – E-Clip 2.5 mm (10)
Ball-Head Pivot & Link Hardware
AR709003 – Composite Pivot Ball Set (suspension & steering)
AR709012 – Steel Flanged Balls (12)
AR709049 – M4 Steel Ball-Stud Set (2)
AR709052 – M3 Steel Ball-Stud Set (2)
AR709067 – Captured Pivot Ball 5 × 12 mm (2)
Wheels, Tires & Body
ARA480044 – Wheel Set Black, 17 mm Hex (2)
ARA550090 – Kraton 4 S Polycarbonate Body Shell (green/red)
AR480017 – dBoots COPPERHEAD 2 premount (one wheel/tyre)
Composite Chassis Modules
ARA320528 – Main Chassis Plate (extended XLWB)
ARA320529 – Front Gearbox Case
ARA320530 – Rear Gearbox Case
ARA320531 – Centre-Diff Housing & Top-Plate
ARA320590 – Lower Skid-Plate (bolt-on)
ARA320609 – Battery Foam & Strap Set
ARA320629 – Side-Guard Pair
ARA320631 – Servo Mount Composite
ARA320632 – ESC Tray/Receiver Box Lid
ARA320633 – Motor Mount Composite Cradle
ARA320635 – Wheelie-Bar Roller Set
ARA320642 – Upper Chassis Brace (265 mm red)
ARA320681 – Centre Brace Rod Complete
ARA320799 – Rear Wing Composite
ARA320806 – Battery Tray Complete
ARA320807 – Rear Wing Mount EXB-style
ARA323305 – Outcast/Kraton EXB Hinge-Pin Brace
Metal-Gear Diff Assemblies
ARA311147 – Front Metal-Gear Diff (assembled)
ARA311148 – Rear Metal-Gear Diff (assembled)
ARA311149 – Metal Diff-Case Half Set
ARA311150 – Metal Diff Internal Gear Set
ARA311152 – Diff Gasket (2)
ARA311153 – Diff O-Ring & Shim Pack
ARA311154 – Input-Bevel Gear 13 T Safe-D5
ARA311155 – Input-Bevel Gear 24 T
ARA311156 – Metal Centre Diff Module (57 T spur, assembled)
ARA311165 – Diff Shims (0.2 mm)
ARA311168 – Metal Sun-Gear Set (4)
ARA311169 – Metal Planet-Gear Set (4)
ARA311171 – Spider-Gear Cross-Pin & Carrier
ARA311185 – Diff Outdrive Couplers Hardened (2)
ARA311192 – Diff O-Ring Piston Pack
ARA311209 – Complete Centre Diff 57 T (filled with 20 k cSt)
Driveshafts & Axles
AR330531 – Rear Driveshaft CVD (2)
AR390289/290 – Centre Slider Driveshafts (F/R)
Bearings, Shims & Washers
AR716025 – Ball Bearing 12 × 18 × 4 mm (2)
AR722308 – Shim 12 × 15.5 × 0.2 mm (4)
Spektrum Electronics
SPMS662 – S662 Digital Servo, 0.16 s/10 kg (6 V)
SPMSR315 – SR315 3-Channel DSMR/SLT Receiver
SPMXSE2120 – Firma 120 A Smart ESC
SPMXSM2100 – Firma 3668-2400 kV Brushless Motor
