YIKONG
YIKONG YK4073 TB7 V2 Trailbreaker 1/7 Brushless 4WD Desert Off-Road Truck RTR
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YK4073 TB7 V2 Trailbreaker 1/7 Brushless 4WD Desert Truck
The YK4073 TB7 V2 Trailbreaker is a large-scale 1/7 brushless 4WD desert off-road truck designed for dirt tracks, gravel roads, jumps, and off-road bashing. Its 4274 1600KV brushless motor and 150A waterproof ESC support a 4S–6S LiPo setup.
The YK4073 TB7 V2 features a redesigned dual-battery layout, centrally positioned motor, and revised intermediate gearbox. Independent front suspension, a portal rear solid axle with differential, and eight adjustable oil-filled shocks help this 1/7 RC truck handle changing terrain. Choose the Red or Blue body and select an optional battery and charger bundle.
Key Features
- V2 Dual-Battery Layout: Symmetrical battery bays support balanced placement on the chassis.
- 4274 1600KV Brushless Power: The 150A waterproof brushless ESC supports 4S–6S LiPo operation.
- Revised Intermediate Gearbox: Secondary idler reduction is designed to reduce torque twist and gear impact during high-power driving.
- Full-Time 4WD Drivetrain: Front independent suspension works with a portal rear solid axle and differential.
- Eight Adjustable Oil-Filled Shocks: Tune suspension damping for different surfaces and driving styles.
- 4mm 7075 Aluminum Chassis: A rigid low-CG chassis with an upper-deck layout, as shown in the product materials.
- CNC Aluminum Components: Includes CNC aluminum front suspension mounts and an adjustable motor mount.
- Gyro-Equipped Radio: The 2.4GHz 5-channel radio includes gyro adjustment, throttle limit, EPA, trim, and reverse functions.
- LED Lighting: A roof light bar and front lights add visibility and desert-truck styling.
- XT60 Adapter Support: The ESC uses an EC5 connector; two EC5-to-XT60 adapters are included.
Specifications
| Brand | YIKONG |
|---|---|
| Model | YK4073 TB7 V2 Trailbreaker |
| Scale | 1/7 |
| Vehicle type | Brushless desert off-road truck |
| Drive system | Full-time 4WD |
| Vehicle dimensions | 640 × 379 × 275 mm |
| Vehicle weight | Approx. 5.9 kg |
| Wheelbase | 425 mm |
| Tire size | 146 × 56 mm |
| Chassis | 4mm 7075 aluminum |
| Front suspension | Independent suspension |
| Rear suspension | Portal solid axle with differential |
| Shock absorbers | Eight adjustable oil-filled shocks |
| Motor | 4274 1600KV brushless motor |
| ESC | 150A waterproof brushless ESC |
| ESC battery support | 4S–6S LiPo |
| Steering servo | 25kg metal-gear servo |
| Radio system | 2.4GHz 5-channel with built-in gyro |
| Battery layout | Dual-battery tray |
| Battery tray size | 161 × 49.5 mm |
| ESC connector | EC5 |
| Included adapters | 2 × EC5-to-XT60 adapters |
| Body colors | Red / Blue |
| Package dimensions | 82 × 41 × 30 cm |
| Package weight | Approx. 8.1 kg |
Version & Power Options
Body colors: Neon Yellow or Neon Red.
Battery and Charger
- Not included: Truck supplied without the optional batteries and charger.
- Included: Truck supplied with two Gens ace ACE REDROCK 5300mAh 3S 11.1V 70C LiPo batteries and one Gens ace iMars S60 smart balance charger.
Battery note: Use two matched 3S batteries with the same capacity, cell count, condition, and charge level for the 6S series setup.
Package Contents
- 1 × YIKONG YK4073 TB7 V2 Trailbreaker RC truck
- 1 × 2.4GHz 5-channel transmitter
- 1 × User manual
- 2 × EC5-to-XT60 adapters
When the battery and charger bundle is selected, it also includes 2 × Gens ACE REDROCK 5300mAh 3S 11.1V 70C LiPo batteries and 1 × Gens ACE iMars S60 smart balance charger. Transmitter batteries are not listed as included; confirm package contents for the selected batch.
Frequently Asked Questions:
What is the YK4073 TB7 V2?
The YK4073 TB7 V2 is a 1/7 scale brushless 4WD desert off-road truck with a 4274 1600KV motor, 150A ESC, dual-battery layout, and portal rear solid axle.
What is new on the YK4073 TB7 V2?
The YK4073 TB7 V2 features a redesigned dual-battery tray and an intermediate gearbox with secondary idler reduction. These assemblies are specific to the YK4073 TB7 V2 and are not direct V1 upgrades.
What battery setup does the YK4073 TB7 V2 support?
The 150A ESC supports 4S–6S LiPo batteries. The optional battery bundle uses two 3S packs connected in series for a 6S, 22.2V setup.
Can the iMars S60 charge the 6S setup?
No. The S60 supports 2–4S LiPo charging. Use it to charge each 3S battery separately; do not connect the assembled 6S battery pack to the S60.
Does the standard package include batteries or a charger?
No. Batteries and charger are optional unless included in the selected bundle.
What terrain is the YK4073 TB7 V2 designed for?
The YK4073 TB7 V2 is designed for dirt tracks, gravel roads, jumps, and off-road bashing. Inspect and maintain the drivetrain and suspension after running in dusty or rough conditions.
Does BOMETOYS provide replacement parts and accessories?
Yes. BOMETOYS provides full parts and accessory support for the YK4073 TB7 V2. Contact us with the model name and a part number or photo, and we can help identify the correct replacement part or accessory.
2 × Gens ace ACE REDROCK 5300mAh 3S 11.1V 70C LiPo batteries (Optional)
Gens ACE iMars S60 smart balance charger (Optional)
SHIPPING & DELIVERY
We ship worldwide. Available shipping methods, delivery times, and shipping costs vary by destination, product weight, package size, and shipping method.
ORDER PROCESSING
Most orders are processed within 1–3 business days after payment is confirmed. Special-order or made-to-order products may require additional processing time.
DELIVERY TIME
Estimated delivery time includes processing and transit time. Delivery times are estimates and may vary due to customs clearance, weather, holidays, carrier delays, or other circumstances beyond our control.
Available shipping options and estimated delivery times are shown at checkout.
SHIPPING OPTIONS
Depending on the product and destination, Standard Delivery and Express Delivery options may be available.
Large, heavy, oversized, remote-area, and island shipments may have different shipping options, delivery times, or additional charges.
CUSTOMS, DUTIES & TAXES
Depending on the destination, international orders may be subject to customs duties, import taxes, VAT, or other local charges.
Any applicable charges not included or collected at checkout may be the customer's responsibility.
TRACKING
Once your order ships, you will receive a shipping confirmation email with tracking information.
One order may be shipped in multiple packages, in which case multiple tracking numbers may be provided.
PAYMENT METHODS
We accept major credit and debit cards, including Visa, Mastercard, American Express, and Discover.
We also accept PayPal, Apple Pay, Google Pay, and selected Buy Now, Pay Later services such as Afterpay or Zip or klarna, where available.
Payment methods and installment options may vary by country, device, and order amount.
PAYMENT SECURITY
Payments are securely processed through our payment providers. BOMETOYS does not have access to your complete credit card number or security code.
ORDER CANCELLATION & REFUNDS
Please contact us as soon as possible if you need to cancel an order. Orders that have entered the fulfillment or shipping process may no longer be cancellable.
Approved refunds are issued to the original payment method and may take approximately 7–10 business days to appear, depending on your bank or payment provider.
For full details, please see our Return & Refund Policy.
NEED HELP?
If you have questions about shipping or payment, please contact us at support@bometoys.com
WHY SHOP WITH BOME TOYS
CAREFULLY SELECTED PRODUCTS
We offer a carefully selected range of drones, FPV systems, RC vehicles and aircraft from trusted brands and experienced manufacturers.
RELIABLE GLOBAL SHIPPING
We work with established international shipping carriers to provide reliable delivery options for customers worldwide.
30-DAY RETURNS
Eligible orders can be returned within 30 days in accordance with our return policy.
EXPERT PRODUCT SUPPORT
Need help choosing a product, setting up your equipment or finding the right accessory? Our support team is here to help.
SPARE PARTS & AFTER-SALES SUPPORT
We provide support for spare parts, replacement components and accessories to help you keep your equipment running.
EASY ORDER TRACKING
Once your order ships, we'll send you tracking information so you can follow your package from dispatch to delivery. You can also track at Our order tracking page.
