New Features

16% Larger footprint – longer and wider than the previous KRATON^® 4X4 4S platform for added stability
Tough new suspension arms that increase vehicle width
Durable steel 1.35 module main diff gears and input gears in the front and rear gearboxes
Strong CVD telescopic driveshafts front and rear
Higher shock towers, longer shocks and wider suspension arms for longer, more plush suspension travel
Aluminum big bore shocks included as standard
CNC machined, red anodized 17mm wheel hubs
Steel slipper hub strengthening ring

Spektrum^™ Firma^™ 120A brushless ESC and 3668 2400Kv motor
Spektrum^™ 2.4GHz SLT3^™ transmitter and SR315 receiver
Spektrum^™ S652 Steel Metal-Geared, waterproof digital servo with 232 oz-in of torque
Sway bars fitted front and rear for improved cornering dynamics
Wheelie bar with rubber tires
Low-profile dBoots^® Copperhead 2 LP tires with vents to disperse water for improved durability

Proven 4x4 Platform Features

Rubber shielded bearings
Metal internal-geared diffs
Steel spur gear
Strong composite chassis with extended height dirt defenders
Adjustable turnbuckles
Steering system with stone clearance

ARRMA^® motor heatsink and cooling fan
Easy-access modular design — power, diff and electronics modules can be removed quickly and easily for maintenance
Battery retention system including wire clips
2-Year limited warranty (see website support for details)

A bigger, tougher KRATON^® 4X4 4S BLX

The original ARRMA^® KRATON^® 4X4 4S BLX Speed Monster Truck provided the perfect middle ground between the agile 3S BLX vehicles and bigger, more powerful 6S BLX machines. It delivered affordable performance for brushed bashers looking to upgrade and for any driver wanting ARRMA^® toughness and speed.

This new version marks the next evolution of the capable ARRMA^® 4X4 4S platform — longer, wider, and tougher than the previous chassis for even greater stability and control. It also includes a full package of Spektrum^™ radio electronics and is the first ARRMA^® 4X4 to come equipped with a Spektrum^™ 4S brushless power system.

The footprint of this KRATON^® 4X4 4S BLX Speed Monster Truck is 16% larger than the previous model, with higher shock towers, longer shocks, and wider suspension arms for longer, more plush suspension travel. The strength of the transmission has been bolstered with the inclusion of steel gearbox input gears, steel main diff gears and CVD Driveshafts. Upgrades are joined by proven features from before that deliver unstoppable performance in environments ranging from off-road, dirt, and grass to parking lots, paved and asphalt surfaces. These include a strong composite chassis and retained hinge pin plates; protective skid plates in front and rear; steering with more clearance for stones; a castellated slipper pad and sliding gear mesh; and rubber-shielded bearings throughout. The KRATON^® 4X4 4S BLX also incorporates the signature ARRMA^® easy-access modular design to make routine maintenance fast and simple.

Made of high-quality rubber, the dBoots^® Copperhead 2 LP tires offer an aggressive, chunky tread pattern for excellent traction on a wide range of surfaces. They're also vented to disperse water for improved durability. The truck body has a tough, injection-molded rear wing and comes factory-finished in your choice of two exciting colors. Front and rear bumpers protect against impacts and a wheelie bar with rubber tires provides stunt potential.

Completing the ready-to-run package are a Spektrum^™ SLT3^™ 2.4GHz radio with SR315 receiver and a stronger, faster Spektrum^™ S652 digital servo. Add your choice of battery, charger, and "AA" transmitter batteries and bash with the best!

Proven 4x4 Platform Features

A bigger, tougher KRATON® 4X4 4S BLX

Specs

A bigger, tougher KRATON^® 4X4 4S BLX

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