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Description
Alpha Dragon IV.21 3P Level 21 3.49cc Off-road Vehicle Methanol EngineAlpha Dragon IV. 21 3P Level 21 3. 49cc Off road Vehicle Methanol Engine Features: . Original genuine engine, unique structure design, exquisite craft quality, light and compact, excellent performance, quick to start and easy to adjust . Parameters: Displacement: 3. 49cc; Revolving speed: 38800rpm; Weight: about 361g; Crankshaft Diam: 14mm diameter; Glow Plug Type: Turbo pressure boost glow plug (P3 P6); Exhaust: Rear; Carburetor Diam: 8. 8mm;
Alpha Dragon IV.21 3P Level 21 3.49cc Off-road Vehicle Methanol EngineFeatures:
.Original genuine engine, unique structure design, exquisite craft quality, light and compact, excellent performance, quick to start and easy to adjust
.Parameters: Displacement: 3.49cc; Revolving speed: 38800rpm; Weight: about 361g; Crankshaft Diam: 14mm diameter; Glow Plug Type: Turbo pressure boost glow plug (P3 / P6); Exhaust: Rear; Carburetor Diam: 8.8mm; Carburetor: 3 Needles; Engine housing: aluminum housing
.Alpha dragon IV is a new generation of high specification pre-grinding 3p engine with new design and modification. It is fuel saving, easy to adjust, and has excellent performance. After a little debugging, it can be used.
.Features of New design parts as follow: the body has been redesigned to increase intake and exhaust efficiency and improve fuel flow from the carburetor to the combustion chamber, thereby reducing losses, increasing fuel efficiency and increasing engine power. Ceramic post - perlin: Reduced friction, lighter weight, extended service life. This ceramic post - perlin is a basic part of the dragon IV. Using high-quality materials can apply more kinetic energy to the wheels with less resistance, reducing the friction coefficient. Lighter weight reduces rotation resistance, increases engine power and acceleration, reduces fuel consumption, and makes the engine more fuel efficient. Dynamic balancing crankshaft: reduces engine vibration and has good lubricity. The new DEC crankshaft contains an Alpha patented counterweight balance that effectively balances power transmitted from engine ignition to piston pins. The inertia force of the connecting rod and crankshaft rotation reduces engine vibration and increases engine power. This dynamic balancing counterweight crankshaft, with a new cylinder piston, makes more power and more linear power for maximum output. The new cylinder piston's air intake has been redesigned to provide oil savings, more power and more linear power for maximum output. Piston pin: the piston pin is light in weight and enhances surface hardness and durability to reduce the possibility of piston pin bending. Radiating head: the new radiating head adds a layer of radiating fin, and is lowered to lower the center of gravity to make the car more stable, better handling, when loaded on the car, it can maintain good radiating effect
.Safety Instruction: The engine is not a toy! Please read the instruction manual to become familiar with the features of the product before operating. Keep yourself and those around you safe. To maintain the best engine performance and longer service life. Incorrect or faulty maintenance can result in damage to the product.
.For Ages: 14+
Specifications:
.Color: As Shown
.Material: Metal
.Product Weight: 361g
.Package Dimensions: 18 x 12 x 10cm
.Package Weight: 450g
.Packing: Box
Package Content:
.1 x Engine
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 935 reviews
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Product Reviews
★★★★★ 5
Soft and light
Color: A.Orange+Blue+Green
My doxie loves them
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
★★★★★ 5
Great toy
Color: Pawty
My dog loves this toy. I was pleasantly surprised to see it was a decent size for a stuffed toy, and not tiny. It seems pretty sturdy as my dog can shred some stuffed toys, but this one is still standing with the squeaker intact. The rope is securely attached within the toy and my dog likes to play some tug-of-war with it. Would recommend to other pet parents.
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Reviewed in the United States on March 27, 2026
★★★★★ 5
Husky approved!
Color: Cheers
Got this for my large husky to wear for his 10th birthday. He didn't tear it up right away. The squeaker lasted longer than it does with most toys. He seemed to genuinely enjoy the toy. Removed the stretchy string once I got a few pictures so he wouldn't eat it. Very cute.
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Reviewed in the United States on January 20, 2026
★★★★★ 5
Buy Me, I’m Ideal
Color: Bark-Day
Perfect size for my small dog
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Reviewed in the United States on May 7, 2026
★★★★★ 5
5 Stars - My Gentle Giant Loves It!
Color: Pawty, Color: Pawty
I got this toy for my German Shepherd, who is very gentle and loves soft plush toys. Even though he’s a big dog, he’s careful and enjoys playing gentle tug-of-war so the rope part as the string is perfect. The toy was a little smaller in length than I expected, but it hasn’t mattered at all — he absolutely loves it! It’s soft, thick, and has a squeaker deep inside that will make it hard for a dog to pull out. It is cute, and has held up well to a lot of carrying around and light tugging. If you have a gentle dog who loves plush toys, I definitely recommend this one. I would absolutely purchase it again! Fun little dog birthday gift.
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Reviewed in the United States on April 5, 2025
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