SKU: 50663623888

HOWIN L6-210 21cc Straight-six Four-Stroke Gasoline Engine Model Building Kits Water-cooled 13500rpm

Sale price$585.00 Regular price$650.00
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Ships within 48 hours · Estimated delivery Sep 17 - Sep 22

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Description

HOWIN L6-210 21cc Straight-six Four-Stroke Gasoline Engine Model Building Kits Water-cooled 13500rpmHOWIN L6 210 21cc Straight six Four Stroke Gasoline Engine Model Building Kits Water cooled 13500rpm Note: this inline six engine is in stock now. so all the orders will be sent out within 1 working day. Please note that the starter kits are not included and you need to purchase them separately. Buy accessories here. How to save more? 1. Buy earlier, Save $400usd. If you buy this engine before 22th December, you can save 400$usd. Just Only $899. 99usd


 

HOWIN L6-210 21cc Straight-six Four-Stroke Gasoline Engine Model Building Kits Water-cooled 13500rpm

Note: this inline six engine is in stock now. so all the orders will be sent out within 1 working day. Please note that the starter kits are not included and you need to purchase them separately. Buy accessories here.

How to save more?

1. Buy earlier, Save $400usd. If you buy this engine before 22th December, you can save 400$usd. Just Only $899.99usd for the first week of order.
2. If you buy it from 23 Dec to 29 Dec, 2022, You can only save 300$usd. Just Only $999.99usd for the 2nd week of order.
3. If you buy it after 30 Dec, 2022, You can only save 200$usd. Just Only $1099.99usd for the 3nd week of order. Promo Code: SH200



Features:


.Why Howin Engine Makes the Inline Six Engine L6-210?

Have you still remembered the Sunday night that you drove your f300 car out for a joyride? If you have driven a car with an inline-six engine, you will find the L6 engine appealing because its perfect balance helps for smooth, easy revs, and a soothing exhaust note, just like the burbling of a freshwater stream. More importantly, its simple layout guarantees less maintenance. That's the key reason why HOWIN ENGINE decide to get this L6 engine involved in their new engine plans. It's no secret that this L6 engine is one of the most popular engines in the world that never die. Its reliability and excellence are thought highly of by millions of truck and van owners because of its uniqueness, providing loyal service.  

HOWIN L6-210 is designed and developed on the basis of the iconic engine F300. Howin team has spent a year or so developing, designing, and testing this straight-six I6 engine. They also make some major upgrades too. For example, while retaining the appearance elements of the classic I6 engine, Howin model engineers adopt the Howin-made distributor ignition, upgraded independent lubrication system, and brand-new intake system. And they also make it water cooling, and gas-powered, which will be more friendly to users and players.


.Building an Inline 6 Engine That works 

It's a real working inline-six engine kit for adults. The 1/8 mini I6 engine is authentic with a classic blue and silver color scheme that is never out of fashion, as closely as to the real engine. Thrill your curious motorheads with these metal gas-powered mini-engine kits. Just get to build a realistic 6-cylinder motor, power it up & watch it run – with moving pistons, spinning fans, smooth engine sound & more.

Howin L6 is Every Motorhead’s Dream Project

Just forget cheaply plastic-made model kits with missing parts. This complete engine model building kit gives you everything you need from start to finish with over 600 premium CNC machined metal parts. Just follow the detailed manual to start your engine-building tour. This inline 6-cylinder combustion model kit will rev to life after all 600+ quality engine kit pieces have been assembled with a step-by-step paper guide. It’s the first fully functional 4-stroke 6-cylinder combustion model engine kit for at-home and automotive classes used to thrill curious teenagers about engines through the building process.

REAL Internal Combustion Engine Kits

This is one of the best mini engine kits that run because it cannot only allow you to build an authentic 6-cylinder internal combustion, but you can also hear the real engine sounds which allow you and your kids to grasp mechanical principles beyond ordinary engineering play experience. And It's considered the most educational engine model kit that works for teenagers and adults ages 18 and more, who dream to be engineers.

Realistic & Powerful
.Long Stroke:

Taking the long stroke as the engine design blueprint, it effectively provides higher torque. And the customized flexible oil seal ensures excellent sealing performance in high-speed operation.
.Water Cooling:

Designed with a cooling water groove inside the cylinder block and water pump for circulating power, the model is able to work in conjunction with a cooling fan later to strengthen the cooling performance and extend the working time.
.Valve Mechanism:

Features a valve overhead and the camshaft structure on the bottom. Push rod control valve switch makes this more stable.

Built with a cross crankshaft structure, five-section full support, bearing at both ends and middle copper bearing bush, the engine boasts more smooth operation, more sensitive acceleration response and high efficiency.
.Accurate Carburetor:

Enjoy more accurate adjustment, more sensitive throttle response and more stable performance thanks to the brand new dual carburetor with pump.
.Engine Model Building DIY:

Crafted from ultra-precise components, the engine model gives a strong mechanical sense, enables smooth assembly experience and provides users with fun, helping to build their own I6 engines.
.Wide Applications:

The extended output shaft can facilitate the expansion and extension of playing methods in the later stage, so as to be more compatible with RC model vehicles/ships. .Super-cool Engine Gift Idea:

As you and your kids build this model engine, you’ll develop critical thinking & mechanical skills. Plus, you’ll learn all about combustion engines from the detailed included workbook. so It’s ideal for both home & classroom use, so it’s a great gift for teachers, too. It's an amazing mechanical craft and a perfect gift for model enthusiasts.

Specifications:

material: metal;
Color: as picture shown;
Brand: HOWIN ENGINE;
Model: L6-210;
Form: KIT version;
Size: 252.05*88.56*144.48mm;
Weight: 2.4kg;
Engine type: gasoline internal combustion engine;
Valve train type: OHV;
Displacement: 21.0 (3.5*6) cc;
Cylinder: straight six cylinders;
Stroke: four-stroke;
Bore: 16.6mm;
Stroke: 17.0mm;
Speed: 3200-13500 rpm;
Power: 3.05ps;
Cooling method: water cooling;
Lubrication method: independent lubrication system (including oil pump);
Start mode: electric start;
Ignition method: CDI+distributor to control ignition (not included);
Spark plug type: Inch Thread 3/16-40 Spark Plug (not included);
Starting power supply: 7.4V 2S lithium battery (not included);
Fuel: 92# and above gasoline (not included);
Suitable age: 14+;
Packing method: color box;


Packing list:

.1*Engine Kit Set
.1*Tools Kit
.1*Manual

.1*Distributor

(Note: the starter kit is not included, you need to buy it yourself.)

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 50663623888

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4.3 ★★★★★
Based on 25 reviews
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Verified Purchase
Jason
Lexington, US
★★★★★ 3
Dog Loves It, But Durability/Safety Major Issue
Size: 8 Inch, Color: Tree Branch
My 9 month old Frenchie loves it, but she got pretty sick this weekend and was vomiting all day...next day she finally threw up a big chunk of this toy...just beware if your dog is a heavy chewer, this may not be the right fit for you. Not the best durability...
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Reviewed in the United States on April 20, 2026
J
Verified Purchase
Julia
Phoenix, US
★★★★★ 5
She loves them, therefore I love them too
Size: 5.5 Inch, Color: Ring Toy
My furbaby LOVES these, especially the peanut butter flavored ones. I still regularly brush her teefers, but these do help with dental care.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
P
Verified Purchase
Piano Man
Houston, US
★★★★★ 1
Made mostly of POLYPROPYLENE PLASTIC and should not be injested.
Size: 8 Inch - 2 Pack, Color: Tree Branch
BAD PRODUCT. DO NOT BUY THESE FOR YOUR DOG. They are made mostly of POLYPROPYLENE PLASTIC. It even says on the package - "CAUTION: Product is not intended to be eaten or ingested. If you believe your pet has swallowed a piece, please take away and contact veterinarian if needed. Our dachshund went to town on one of these and had diarrhea for two days and cost us several hundred dollars in vet bills to do x-rays and medicine for the poor dog. What do you think a dog is going to do with a dog chew? Just find another product. This one isn't worth it.
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Reviewed in the United States on May 26, 2026
A
Verified Purchase
Amazon Customer
Carnegie, US
★★★★★ 5
Loved by both my pup and I! I can't say enough good things!!
Size: Large, Number of Items: 1
My lab puppy absolutely loves this! And so do I. My 5 month old lab puppy loves to play with us and is not so good at playing by himself. Though he is getting a little better. I use this when we need to keep him occupied or when we need a little break. I bought this for him when we first got him at about 2 months old; even then he had no problems figuring it out. Depending on how much food I put in it, this will keep him busy for quite awhile. My puppy does not usually have much of an attention span, he is always jumping from one toy, bone, or chew to another. But with this I know I can consistently depend on him being entertained for at least 15 to 30 minutes, again, depending on how much food I put in there. "Bob" as we call him, is very well made. I purchased the large one and it holds about 2 cups of food. The yellow top screws off so that you can pour the food in, there is an adjustable opening so if you want to make it harder for your dog you can adjust it and he will have to work harder to get the food out. It screws on quite tight and has never come off while my dog is playing with it even when he carries it around by the top. There is another opening towards the bottom where the food comes out that is also adjustable depending on how easy you want it to be or how big the food is that you are using. Both openings are pretty large and I have never had an issue with putting things in there. I know some people use it to put their dog's food in, as my dog is self fed I have never done that. But I do use Cheerios and all kinds of other cereals and treats but mainly I use other "special" dog foods. I buy moist and dry dog foods that look like they may taste good and use them as treats. My dog thinks he is getting treats and never knows the difference, he loves them. It's healthier than feeding him lots of treats and also a lot cheaper. Using the "Bob" not only keeps him independently entertained but also helps to tire him out. It can be a bit loud as I have tile floors but it is not that bad. It is constructed extremely well. My pup plays very rough with it, he bats it around into walls, furniture etc., drops it down steps, it has taken a beating but it has stood up to my dog's abuse, where many of his other toys have not made it. It is very easy to clean. I plan on purchasing another one for my sister-in-law's pig. She is 70 pounds over weight and hates to move around but obviously loves food. I think that putting her food inside will be just the motivation she needs. And it is so well made that I don't have to worry about giving it to her!
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Reviewed in the United States on August 10, 2014
T
Verified Purchase
Tillea Hurinenko
Alexandria, US
★★★★★ 5
Favorite toy
Size: Small, Number of Items: 1, Size: Small, Number of Items: 1
This is my dog’s absolute favorite toy. When I fill it, it’ll keep him busy for up to an hour, and even when I don’t fill it, he likes to tip it around to check for missed treats quite often. It’s super sturdy, and just the right size for him (20 lb mini schnauzer).
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Reviewed in the United States on April 18, 2026

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