The KRATON 4S BLX RTR offers ARRMA speed and strength in the ideal size for any monster truck basher — with a center diff for the ultimate grip, an updated Spektrum brushless system for more punch, added dirt protection, and two fresh color choices.
This is the new V2.5 version with Centre Diff:
- Improved traction from an aluminum-cased center differential
- Updated 4S LiPo capable Spektrum brushless power system
- Additional dirt protection for even more toughness
- Updated chassis with center diff module, hinge pin bracing, and dirt drain
- Higher torque Spektrum S662 metal-geared digital servo with alloy case center
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!
Key Features:
- 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
- Improved battery retention system with wire clips
Proven 4x4 Platform Features:
- 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
- Long 21.54 inch chassis and 13.98 inch wheelbase for stable handling
- Rubber shielded bearings throughout
- Center support brace for maximum durability
- Double wishbone front and rear suspension
- Oil-filled aluminum shocks with silicone O-rings
- High shock towers for longer travel
- Steering system with stone clearance
- Tough black multi-spoke wheels
- CNC machined, red anodized 17mm wheel hubs
- Multi-terrain dBoots COPPERHEAD 2 LP vented low-profile tires
- Adjustable turnbuckles
- Adjustable ride height
- Adjustable body mounts
- Front bumper and protective lower front and rear skid plates
- Wheelie bar with rubber tires
- 2-Year limited warranty (see website for details)
What's 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
Required for Operation (Not Included)
- (1) 3S or 4S LiPo Battery with EC5™ or IC5® connector
- (1) Compatible Battery Charger
- (4) AA batteries for Transmitter
- *Maximum battery dimensions 6.14x2.01x1.89 in (156x51x48mm). Minimum battery specs 5000mAh 35C.
Technical Specifications:
Power Type | Electric |
Bushing Material | Metal |
Charger | Sold Separately |
Battery | Sold Separately |
Connector Type | IC5, EC5 |
Internal Gear Ratio | 2.85 |
Motor Size | 3668-2400Kv |
Product Length | 21.54" (547 mm) |
Spur Gear | 57T |
Steering Type | 2WS |
Suspension | Independent |
Ball Bearings | Full Set, Rubber Shielded |
Chassis | Molded composite |
Completion Level | Ready-To-Run |
Drivetrain | 4WD |
Drive Type | Forward/Brake/Reverse |
Product Height | 8.11" (206 mm) |
Sensored | No |
Top Speed | 55+ |
Wheel Hex Size | 17mm |
Front Track | 17.72" (450mm) |
Power System | 4S |
Product Width | 17.72" (450 mm) |
Radio | Included |
Technology | Smart, Dual Protocol RX (DSMR/SLT) |
Final Drive Ratio | 12.48 |
Motor Type | Brushless |
Rear Track | 17.72" (450mm) |
Speed Control | Included |
Wheelbase | 13.98" (355 mm) |
Approximate Assembly Time | No assembly required |
Body | Painted, decalled and trimmed |
Brakes | Integral with ESC |
Pinion | 13T |
Scale | 1/10 |
Differential | 2 Gear Diffs |
Max Battery Dimensions | 6.14x2.01x1.89 in (156x51x48 mm) |
Receiver | Included |
Shock Type | Aluminum body, oil-filled, coil-over springs |
Product Weight | 9.26lbs (4.2kg) |
Tire Tread | dBoots |
Vehicle Type | Monster Truck |
Water-Resistant | Yes |
Gear Pitch | 0.8 MOD |
Servos | Included |
Shipping
$13.50 Flat Rate - Nationwide!
Saturday Delivery
Unfortunately Saturday delivery is no longer available at RC Hobbies.
Delivery
Once RC Hobbies has confirmed acceptance of the buyer's order, we will endeavor to dispatch the buyer's order within
1-3 Business days unless a different time frame is specified in relation to a particular product. If we are unable to dispatch
the buyer's order within the time frame specified by RC Hobbies we will endeavor to contact the buyer and advise
the buyer of the expected dispatch date.
In stock items are generally dispatched on the same day you place your order, unless a different time frame is specified
in relation to a particular product and provided the order was placed before our daily cut off time which is usually
around 1PM.
We use NZ Post, Aramex, and Post Haste for New Zealand orders. Deliveries are usually 2 working days, but please allow an extra
day for big parcels to reach the South Island and for rural deliveries.
We use NZ Post for orders that can fit into overnight courier bags and Post Haste for larger parcels.
Tracking emails will be sent out once parcels have been collected.
The buyer may specify delivery instructions for an order (for example, the buyer may authorise the delivery agent to
leave the products in a specified location if the buyer will not be at the delivery address). RC Hobbies will
not be responsible for any order that is delivered in accordance with the buyer’s delivery instructions.
Delivery to PO Boxes
RC Hobbies can send goods to PO Boxes, except for large freight boxes.
International Delivery.
We're based in New Zealand but we deliver all round the world. Please use our shipping estimator at checkoutfor a shipping quote or contact us and will send you
a quote.
sales@rchobbies.co.nz
Returns Policy
The item I received is not the item I ordered
Provided the item is unopened and in mint condition we’ll replace the item. To receive your replacement you must return the
original item to. You will be provided with a no-cost return addressed courier satchel (or similar)
and we will process your replacement within 1–3 days of receiving your item.
The item I ordered arrived faulty.
Please arrange with RC Hobbies to return the item for testing. If we confirm that the item was damaged before leaving
RC Hobbies, or was faulty out of the box, your item will be repaired or if it cannot be repaired then it will be replaced
by RC Hobbies Ltd free of charge. If the goods are faulty we will meet our obligations under the Consumers Guarantees
Act to provide a remedy.
The item I ordered did not arrive
If your item did not arrive the first thing to do is request a “track and trace” on your item from the Courier Post or Fastway
tracking emails we send out.
Alternatively you can call Courier Post on
0800 268 743 or Post Haste on
09 444 2950
If the “track and trace” on your order indicates that it has been delivered, but you’re unable to find it or it hasn’t been
delivered within the timeframe we will start an investigation with Courier Post & Post Haste on your behalf.
Regrettably, neither RC Hobbies nor Courier Post & Fastway are able to refund or replace items that have been lost, damaged
or stolen after being delivered to your property. If you are concerned about leaving your items unattended we recommend
using “Signature Required” option which is our default option unless advise by the Buyer to use the “No Signature Required”
option.
I've changed my mind and no longer want the item I ordered
Change of mind returns can be processed as long as it has been agreed by RC Hobbies and the item has been returned
within 7 days of dispatch and is unopened and in mint condition. The shipping for the return will also be at the cost
of the buyer. Once we have the item in hand we will assess the item and if everything checks out OK you will receive
a Store Credit or refund less the restock fee and freight charges.
Restock fee
All goods ordered in error by the Customer or goods the Customer wishes to return are subject to a restock fee. The fee is
15% of the goods sales value. This applies if you change your mind, ordered it in error, unwanted Gift or just did not
like it or did not suit you, so please choose carefully and read the descriptions in the listings as some products also
require additional items to complete.
Description
The KRATON 4S BLX RTR offers ARRMA speed and strength in the ideal size for any monster truck basher — with a center diff for the ultimate grip, an updated Spektrum brushless system for more punch, added dirt protection, and two fresh color choices.
This is the new V2.5 version with Centre Diff:
- Improved traction from an aluminum-cased center differential
- Updated 4S LiPo capable Spektrum brushless power system
- Additional dirt protection for even more toughness
- Updated chassis with center diff module, hinge pin bracing, and dirt drain
- Higher torque Spektrum S662 metal-geared digital servo with alloy case center
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!
Key Features:
- 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
- Improved battery retention system with wire clips
Proven 4x4 Platform Features:
- 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
- Long 21.54 inch chassis and 13.98 inch wheelbase for stable handling
- Rubber shielded bearings throughout
- Center support brace for maximum durability
- Double wishbone front and rear suspension
- Oil-filled aluminum shocks with silicone O-rings
- High shock towers for longer travel
- Steering system with stone clearance
- Tough black multi-spoke wheels
- CNC machined, red anodized 17mm wheel hubs
- Multi-terrain dBoots COPPERHEAD 2 LP vented low-profile tires
- Adjustable turnbuckles
- Adjustable ride height
- Adjustable body mounts
- Front bumper and protective lower front and rear skid plates
- Wheelie bar with rubber tires
- 2-Year limited warranty (see website for details)
What's 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
Required for Operation (Not Included)
- (1) 3S or 4S LiPo Battery with EC5™ or IC5® connector
- (1) Compatible Battery Charger
- (4) AA batteries for Transmitter
- *Maximum battery dimensions 6.14x2.01x1.89 in (156x51x48mm). Minimum battery specs 5000mAh 35C.
Technical Specifications:
Power Type | Electric |
Bushing Material | Metal |
Charger | Sold Separately |
Battery | Sold Separately |
Connector Type | IC5, EC5 |
Internal Gear Ratio | 2.85 |
Motor Size | 3668-2400Kv |
Product Length | 21.54" (547 mm) |
Spur Gear | 57T |
Steering Type | 2WS |
Suspension | Independent |
Ball Bearings | Full Set, Rubber Shielded |
Chassis | Molded composite |
Completion Level | Ready-To-Run |
Drivetrain | 4WD |
Drive Type | Forward/Brake/Reverse |
Product Height | 8.11" (206 mm) |
Sensored | No |
Top Speed | 55+ |
Wheel Hex Size | 17mm |
Front Track | 17.72" (450mm) |
Power System | 4S |
Product Width | 17.72" (450 mm) |
Radio | Included |
Technology | Smart, Dual Protocol RX (DSMR/SLT) |
Final Drive Ratio | 12.48 |
Motor Type | Brushless |
Rear Track | 17.72" (450mm) |
Speed Control | Included |
Wheelbase | 13.98" (355 mm) |
Approximate Assembly Time | No assembly required |
Body | Painted, decalled and trimmed |
Brakes | Integral with ESC |
Pinion | 13T |
Scale | 1/10 |
Differential | 2 Gear Diffs |
Max Battery Dimensions | 6.14x2.01x1.89 in (156x51x48 mm) |
Receiver | Included |
Shock Type | Aluminum body, oil-filled, coil-over springs |
Product Weight | 9.26lbs (4.2kg) |
Tire Tread | dBoots |
Vehicle Type | Monster Truck |
Water-Resistant | Yes |
Gear Pitch | 0.8 MOD |
Servos | Included |
Videos
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Shipping & Returns
Shipping
$13.50 Flat Rate -Nationwide!
Delivery
Once E&E TRADERS LTD has confirmed acceptance of the buyer's order, we will endeavor to dispatch the buyer's order within
24 Hours unless a different time frame is specified in relation to a particular product. If we are unable to dispatch
the buyer's order within the time frame specified by E&E TRADERS LTD we will endeavor to contact the buyer and advise
the buyer of the expected dispatch date.
In stock items are generally dispatched on the following business day, unless a different time frame is specified
in relation to a particular product and provided the order was placed before our daily cut off time which is usually
around 1PM - 2PM.
We use Courier Post and Fastway for New Zealand orders. Deliveries are usually overnight, but please allow an extra
day for big parcels to reach the South Island and for rural deliveries.
We use Courier Post for orders that can fit into overnight courier bags and Fastway for larger parcels.
Tracking emails will be sent out once parcels have been collected.
The buyer may specify delivery instructions for an order (for example, the buyer may authorise the delivery agent to
leave the products in a specified location if the buyer will not be at the delivery address). RC Hobbies 12 Ltd will
not be responsible for any order that is delivered in accordance with the buyer’s delivery instructions.
Delivery to PO Boxes
E & E TRADERS LTD can send goods to PO Boxes
International Delivery.
We're based in New Zealand but we deliver all round the world. Please contact us for a shipping quote or we will send you
a quote after your order has been placed.
sales@rchobbies.co.nz
Returns Policy
The item I received is not the item I ordered
Provided the item is unopened and in mint condition we’ll replace the item. To receive your replacement you must return the
original item to E & E TRADERS LTD. You will be provided with a no-cost return addressed courier satchel (or similar) and
we will process your replacement within 1–3 days of receiving your item.
The item I ordered arrived faulty.
Please arrange with E & E TRADERS LTD to return the item for testing. If we confirm that the item was damaged before leaving
RC Hobbies, or was faulty out of the box, your item will be repaired or if it cannot be repaired then it will be replaced
by E & E TRADERS LTD free of charge. If the goods are faulty we will meet our obligations under the Consumers Guarantees
Act to provide a remedy.
The item I ordered did not arrive
If your item did not arrive the first thing to do is request a “track and trace” on your item from the Courier Post or Fastway tracking emails we send out.
Alternatively you can call Courier Post on 0800 268 743 or Fastway on 09 634 3704
If the “track and trace” on your order indicates that it has been delivered, but you’re unable to find it or it hasn’t been
delivered within the timeframe we will start an investigation with Courier Post & PostHaste on your behalf.
Regrettably, neither RC Hobbies nor Courier Post & PostHaste are able to refund or replace items that have been lost, damaged or stolen
after being delivered to your property. If you are concerned about leaving your items unattended we recommend using “Signature
Required” option which is our default option unless advise by the Buyer to use the “No Signature Required” option.
I've changed my mind and no longer want the item I ordered
Change of mind returns can be processed as long as it has been agreed by E & E TRADERS LTD and the item has been returned
within 7 days of dispatch and is unopened and in mint condition. The shipping for the return will also be at the cost of
the buyer. Once we have the item in hand we will assess the item and if everything checks out OK you will receive a Store
Credit or refund less the restock fee and freight charges.
Restock fee
All goods ordered in error by the Customer or goods the Customer wishes to return are subject to a restock fee. The fee is
10% of the goods sales value. This applies if you change your mind, ordered it in error, unwanted Gift or just did not like
it or did not suit you, so please choose carefully and read the descriptions in the listings as some products also require
additional items to complete.