SKU: 60726009435

TECHING Build Your Own Inline 4 Cylinder Internal Combustion Assembled Engine - Used Engine

Sale price$135.00 Regular price$150.00
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Description

TECHING Build Your Own Inline 4 Cylinder Internal Combustion Assembled Engine - Used EngineTECHING Build Your Own Inline 4 Cylinder Internal Combustion Assembled Engine Used Engine Why this engine DM13 L4 P is cheaper than the original one? 1. The engine has been already assembled by the factory. It's used for display. 2. this is the old version of engine 4 cylinder. and it has only 40pcs left. when it's sold out, we won't sell it again. Features:. Story: In 1913, Jules Goux won the Indianapolis 500 Grand Prix in a with the in line four

TECHING Build Your Own Inline 4 Cylinder Internal Combustion Assembled Engine - Used Engine

Why this engine DM13-L4-P is cheaper than the original one?

1. The engine has been already assembled by the factory. It's used for display.

2. this is the old version of engine 4 cylinder. and it has only 40pcs left. when it's sold out, we won't sell it again.


Features:

.Story: In 1913, Jules Goux won the Indianapolis 500 Grand Prix in a  with the in-line four-cylinder engine designed by Ernest Henry. This design featured the first use of two overhead cams and four valves per cycle, making it highly influential as a racing engine. To this day, it is also the structural standard for in-line four-cylinder engines used in racing cars.
.Birth of the In-line 4-cylinder engine: In 1894, the designer completed the development and design of the in-line four-cylinder engine with the cast cylinder block, using the carburetor patented technology that Maybach had just obtained in 1893. At the end of the 19th century, almost every good car in the world had this in-line four-cylinder engine from Maybach. This was done shortly after Maybach and Paul Daimler were pushed out of the company.
.Metal: Made of metal and processed by CNC precision casting and aluminum alloy oxidation, resulting in fine workmanship at the craft level.
.Mechanical: The classic mechanical mechanism makes the transmission process of the engine model clear at a glance and exhibits the beauty of the machinery with rigorous logic and surging strength.
.Real: With the historical classic invention and product as the design prototype, the model presents the core principles of machine operation and demonstrates its application value in an intuitive way.
.Classic: Inspired by classic creations and excellent works that are representative and nodes in the history of human industrial science and technology, this model highly restores accurately in scale.
.Craft: Over 300 parts are finely polished by professional abrasive tools, perfectly showcasing human creativity and yearning for the great industrial era.
.Extension: Support to upgrade, combine, and transform aiming to designated kits or DIY modification parts, each product has its own independent function and structure.
.Assembly: The original model requires you to assemble the parts into a complete machine. The entire process is similar to a professional assembly line process, providing an interesting and challenging experience.
.Significance and Value: By assembling the product through DIY, develop interests and hobbies, improve hands-on and concentration abilities, stimulate innovative thinking, and understand and learn the structure and operating principles of engines. The model can be used not only as an educational toy and learning aid in scientific education but also as a high-end, high-quality model collection. Additionally, as well as perfect for sharing with friends and family.
.Suitable for 12 and up.

Specifications:

.Color: Sliver + Blue
.Material: Aluminum Alloy + Stainless Steel
.Item: Inline Four-Cylinder Engine
.Version: DM13-L4-P
.Coloring Process: Anodic Oxidation
.External Power Supply: DC 5V
.Lithium Battery Capacity: 500mAh
.Charging Time: 2 Hours
.Battery Life: No less than 30 minutes under full power.
.Assembly Difficulty: 4 Stars
.Assembly Time: 4 Hours.
.Product Size: 15.4 x 12.2 x 18.6cm
.Product Weight: 1800g
.Package Dimensions: 30 x 25 x 15cm
.Package Weight: 2500g
.Packing: Carton
.Ages: 12+

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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  • 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: 60726009435

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4.6 ★★★★★
Based on 13 reviews
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Verified Purchase
Cakirsch
Dallas, US
★★★★★ 4
Puppy loves it. Well built and fun for her to play with.
Size: 15 in, Color: Retriever
My double doodle mix loved this toy. It is well made and she loves the different texture of the rope. Sadly she has already torn the rope apart and so now it’s just the leather part. This would be the perfect toy for non agressive chewers. Wish the rope lasted a little longer. SPOT is my new favorite company to get her chew toys from now. They’re well built and aren’t expensive like all the other dog toys out there.
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Reviewed in the United States on June 30, 2025
K
Verified Purchase
KAV
San Leandro, US
★★★★★ 2
Destroyed in under 10 minutes
Size: 9 in, Color: Large Bone
I bought 2 of these toys, one for my 9 year old great dane who isn't an aggressive chewer, and one for my 6 month old puppy who is average. In less than 10 minutes both were destroyed and my dane managed to swallow a good chunk. I wasn't surprised when they both had small holes on the ends and started pulling the stuffing out. The stuffing and squeakers were confiscated immediately, but I let them keep chewing. By the time I came back from throwing the insides away, both dogs had chewed the toys in half and my dane swallowed a chunk when he saw me coming. The puppy was going to do the same thing, but luckily we're working on his "drop" command so he was excited enough for the bigger payout and dropped it. They didn't just come apart at the seams, the whole toy ripped in half making it too easy to swallow. Neither of them are aggressive cheers and the toys didn't hold up at all. A stuffed animal toy would have lasted longer (and has any time I've allowed it). 10 minutes of playtime is probably too generous , but I'm trying to be fair. If I hadn't been right there watching them, they both would have been able to swallow the whole thing in minutes. Definitely not safe for any amount of actual chewing.
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Reviewed in the United States on November 14, 2025
S
Verified Purchase
Skylaire
Waukegan, US
★★★★★ 5
The perfect teething toy for a puppy of any size - apparently indestructible!
Size: 9 in, Color: Large Bone, Size: 9 in, Color: Large Bone
I ordered this product for an overly excitable, destructive corgi chihuahua mix puppy, who was teething. He was a foster and managed to destroy, almost immediately, every toy I had on-hand for him, and toys I picked up at the local pet store. I was very concerned he'd swallow parts of toys, which can lead to fatal intestinal blockages, not to mention extremely high vet bills which I couldn't cover as a simple foster mom. When it arrived, I crossed my fingers that the "Seam Protection - doubled-stitched seams with heavy duty thread" would actually add "extra durability." And I was NOT disappointed! The bone shape of the toy would probably fit comfortably in the mouth of any dog or puppy, as you can see from photo #4. What's coolest about the shape of this toy is the pup can sink all of his or her teeth into it, providing comfort for the entire mouth and not just a few teeth or only one section of its mouth at a time. I was much more experienced as a kitten foster mom, and had had similar difficulties finding teething toys for kittens. This toy is thin and light weight enough that I imagine it could provide relief for little kitten mouths, also, but I didn't get to find out, as my little foster pup chose this as his #1 favorite toy and brought it with him to his forever home. I wanted to know how long it would take before he'd destroy it, though (picture 5 he'd had this Dura-Fused bone toy for a few hours short of one week, and the last photo - you'll see he'd not even undone a small portion of the seam!) Overall I would highly recommend this product for teething babies of almost any species. As far as I could tell it is indestructible. Almost seven days of constant gnawing and he'd not even taken one stitch out, created any tear or rip, let alone, gotten close to being able to swallow the squeaker (always a fear!). I imagine months later, he's still been unsuccessful at ripping/tearing this toy at all. I'd gladly buy again should I foster any dog or puppy - the company lives up to its moniker, Ethical Products, because they've produced a no-frills and apparently indestructible squeak toy which I'd have no fears of leaving with a teething puppy unsupervised. Highly recommended!
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Reviewed in the United States on November 28, 2020
A
Verified Purchase
Amazon Customer
Fort Morgan, US
★★★★★ 3
Good tug toy
Size: 15 in, Color: Retriever
I have a doberman that shready everything in 2.5 seconds. This lasted a few days so was impressed for the cost. Would buy again as he really liked it.
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Reviewed in the United States on December 28, 2025
L
Verified Purchase
Larry B.
Lowell, US
★★★★★ 5
My dog’s new favorite
Size: 8 in, Color: Squirrel
didn’t expect much for the price but my dog actually loves this thing. It’s tough enough to hold up to regular chewing and the leather gives it a nice texture that’s different from the usual plush toys. He carries it around like it’s his prize. It’s not indestructible and if your dog is a heavy shredder it probably won’t last forever but for moderate chewers it holds up way better than a lot of toys I’ve tried. Definitely worth grabbing again.
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Reviewed in the United States on July 19, 2025

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