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Description
Mini V4 Brass Steam Engine Model Reverse Gearbox (without Boiler)Mini V4 Steam Engine Model with Reverse Gearbox (without Boiler) Features: . Exquisite Appearance: The model of the steam engine is small and novel. It can be placed in the palm of your hand like a treasure. It is exquisite and mini. . Steam Engine Structure: Piston slide valve. . Reversing Structure: Forward and reverse two gears, automobile hand wave structure, often meshing fork gear. Miniature stainless steel crankshaft, with bearings at both
Mini V4-Steam Engine Model with Reverse Gearbox (without Boiler)Features:
.Exquisite Appearance: The model of the steam engine is small and novel. It can be placed in the palm of your hand like a treasure. It is exquisite and mini.
.Steam Engine Structure: Piston slide valve.
.Reversing Structure: Forward and reverse two gears, automobile hand wave structure, often meshing fork gear. Miniature stainless steel crankshaft, with bearings at both ends, gearbox gears also fixed with bearings, brass gear transmission, shift fork clutch
.Instructions for Use: This steam engine model is small in size, low in power consumption, and high in thermal / dynamic conversion efficiency. It is an efficient power option in the case of small model space and low boiler (50 * 100mm diameter) power.
.Please connect the boiler by yourself (boiler is not included), add steam cylinder oil to lubricate all parts, connect φ4mm copper pipe, pressure between 2-4, open the steam valve
.Simple and Convenient Maintenance: Fully consider the player's use and maintenance issues, designed as a detachable structure, easy maintenance and replacement of parts
.Significance and Value: By operating the steam engine model, you can learn the operating principle of steam more intuitively. At the same time, this model is a collectible with collectible meaning. Can also be used for steam ship models, car models, small generators, etc.
.For Age: 14 years and older
Specifications:
.Color: As Shown
.Material: Metal
.Weight: 320g
.Dimensions: 115 x 95 x 80mm
.Cylinders: 4 Cylinders
.Bore x Stroke: 8mm x 8mm
.Valve Gears: Walschaerts
.Pressure: 3kg/cm²
.Temperature:50~120℃
.Lubricator: Screw-cap-type
.Axle: φ3mm
.Gearratio: 1:1(36:36)
.Base Fixing Hole: Ø315 x 25mm
.Product Dimensions: 12 x 8.5 x 10cm
.Product Weight: 320g
.Package Dimensions: 15 x 12 x 12cm
.Package Weight: 400g
.Packing: Box
Package Content:
.1Set x Mini V4-Steam 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
4.9 ★★★★★
Based on 58 reviews
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Product Reviews
★★★★★ 5
Love
Flavor Name: Pig Half Ear | 12 Pack (Most Popular)
My dogs love these!
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Reviewed in the United States on April 21, 2026
★★★★★ 5
Quality, cost-effective and the pups love 'em!
Flavor Name: Pig Half Ear | 12 Pack (Most Popular)
These pig ears have been the ultimate reward for two dogs (ages 3 and 5) recently graduating training school. The boys love them and recognize them as the championship belt of good behavior.
They're durable, seem to have a flavor the doggos love and don't splinter off like other treats similar to them would. Mighty Paw has a stellar product here and was an easy one to add to the subscribe and save roster.
Just try not to give your pups too many of these as it WILL impact their poop somewhat. Too much of a good thing reigns supreme here. Their poop gets a bit runny and smells truly heinous if given too many too frequently. Which is why these need to be treated as special treats for truly good pup moments.
Otherwise, fantastic and a go-to from here on out.
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Reviewed in the United States on November 15, 2024
★★★★★ 5
Dog treats
Flavor Name: Pig Half Ear | 12 Pack (Most Popular)
Lv them
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Reviewed in the United States on May 27, 2026
★★★★★ 4
For small to medium dogs this is sufficient
Flavor Name: Pig Half Ear | 12 Pack (Most Popular)
The half ears are harder to find and are sufficient for my dogs.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Healthy
Flavor Name: Pig Half Ear | 12 Pack (Most Popular)
Healthy treat for my shepard mixes.
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Reviewed in the United States on May 17, 2026