RETROL & OKMO N01 Hit and Miss Engine Model Four-Stroke Stationary Cement Mixer Internal Combustion Gasoline Engine(RTR Version)
Product Information:
Looking to experience the mechanical beat of a classic American stationary engine? This 1/5 scale 3.6cc Hit and Miss engine model features a fully functional four-stroke design, visible moving components, evaporative water cooling, and mechanical ignition. Mounted on a wooden display base and supplied in RTR form, it brings early industrial engineering, historical craftsmanship, and mechanical operation together in a compact desktop presentation.
.Classic Early-American Engine Design:
Based on the iconic Hit-and-Miss stationary engines widely used in early 20th-century American construction equipment, this 3.6cc vertical single-cylinder four-stroke engine captures the characteristic intermittent-firing beat and distinctive operating mechanism of vintage industrial power systems.
.Full-Metal Mechanical Construction:
Built with brass cast components and precision CNC-machined parts, the engine incorporates mechanical fuel delivery, visible drip lubrication, evaporative water cooling, and mechanical trigger ignition systems. The exposed piston and connecting rod provide a clear view of the complete combustion cycle.
.RTR Working Engine Model:
Ready to run upon setup, this model operates like a full-size stationary engine while serving as a historical mechanical display. The realistic operating sequence, moving components, and authentic mechanical sound offer an engaging demonstration of early internal combustion technology.
.Wooden Display Base with Three Color Options:
Mounted on a retro-style wooden base and available in Engineering Red, Agricultural Green, and Navy Blue finishes. The compact footprint and vintage appearance make it suitable for desks, workshops, collections, and industrial-themed display spaces.
.Mechanical Art and STEM Display Piece:
Combining engineering history, industrial aesthetics, and educational value, this model is suitable for engine collections, mechanical demonstrations, office displays, and STEM presentations. It highlights the development of early industrial power equipment in a compact desktop format.
Product Introduction:
.Tracing back to the 1920s, the Hit-and-Miss internal combustion engine powered construction-site cement mixers across American industry. Its straightforward steel-and-brass mechanical structure became a recognizable symbol of early industrial engineering.
.The RETROL & OKMO team presents this 1/5-scale miniature version featuring a 3.6cc vertical single-cylinder four-stroke configuration. Brass casting and CNC-machined metal components are combined throughout, incorporating evaporative water cooling, mechanical fuel delivery, visible drip lubrication, and mechanical trigger ignition—closely reflecting the architecture of the original machines.
.The exposed piston, connecting rod, and fuel system remain visible during operation, faithfully representing the characteristic intermittent firing cycle and rich mechanical sound of Hit and Miss engines.
Delivered in RTR configuration on a wooden display base and available in three finishes, this model combines collection appeal, educational value, and industrial aesthetics in a compact desktop format.
Specifications:
.Material: Metal + Wood
.Color: Red / Green / Blue
.Model: N01
.Product Name: Stationary Cement Mixer Engine Model
.Configuration: RTR (Ready to Run)
.Engine Type: Hit and Miss Gasoline Internal Combustion Engine
.Cylinder Configuration: Vertical Single Cylinder
.Cycle: Four-Stroke
.Displacement: 3.6cc
.Bore: 16.0 mm
.Stroke: 19.0 mm
.Starting Method: Manual Recoil Start / Electric Drill Start
.Cooling System: Evaporative Water Cooling
.Ignition System: Mechanical Trigger-Controlled Igniter (Included)
.Starting Power Input: 1.5V Battery (Not Included, AA Battery Recommended)
.Spark Plug: 3/16-40 Imperial Thread Spark Plug (Included)
.Lubrication Method: Fuel-Oil Mist Lubrication
.Lubrication Ratio: Gasoline to Oil Ratio 25:1 to 30:1
.Fuel: Gasoline (Not Included, 92-Rating or Higher Recommended)
.Engine Oil: Not Included (2T/4T 10W50 Oil Recommended)
.Product Weight: 1500g
.Package Weight: 1800g
.Engine Dimensions: 12 × 11.5 × 17cm
.Product Dimensions: 13.5 x 11.5 x 19.5cm (With Base)
.Package Dimensions: 35 x 20 x 25cm
.Packaging: Graphic Carton
.Age: 16+
Packing List:
.Engine *1
.Drill Start Adapter Rod *1
.Recoil Start Rope Starter *1
.Instruction Manual *1
Questions about Shipment Q1 : Do you ship worldwide?A1 : Yes, we can ship worldwide.
Q2 : Where you ship goods from?A2 : Our warehouse is located in China, the goods will be shipped from China mainland.
Q3 : What is the shipping cost?A3 : For giving customer good shopping experience, we offer free international shipment.
Q4 : What is the shipping time?A4 : For expected delivery date, please check in this page: Expected Delivery TimeQ5 : How do I track my package?A5 :You can track your order on 17track.net . Or if you need a team members help check up please contact with our service team service@enginediy.com and we will be in touch with a status update.
Questions about Payment & OrderQ1 : What payment terms you can accept?A1 : For payment, we accept Paypal and Credit Card.
Q2 : My payment was declined, why? How to solve it ?A2 : If you made the purchase via Credit Card and failed, could you please contact with Stripe Support Team for solution? Or if the issue can be solved, please no worry, we accept Paypal payment as well.
Q3 : How do I cancel my order?A3 : For the order, if not shipped out yet, please contact with our Service Support Team service@enginediy.com , we will cancel your order and give you full refund.
Q4 : Is my information is securing using this site?A4 : Yes, Enginediy.com takes precautions to protect your personal information. When you submit sensitive information via the website, your information is protected both online and offline. Please don’t worry for this.
Q5 : What if my address is wrong?A5 : If the recipient's address was wrong, after the failed delivery, the parcel should be returned back to sender. After we receive the parcel, we will contact you for an updated address and arrange the new shipment.
Questions about Return & RefundsQ1 : What items are returnable?A1 : a)- We can accept returns or exchanges within the 30-day period. b)- All returned items must be in the original condition: unused, unwashed, and unworn. No exceptions.
Q2 : How do I return a product?A2:Contact with Enginediy Service Team service@enginediy.com to confirm details to make sure the item is meet the return condition. After the agreement, Service Team will send the detailed return information, please offer return tracking number after return shipment.Q3 : What is you refund policy?A3 : Refunds are processed within 1-5 business days, after you received our confirmation on the cancellation.
Q4 :How will you refund me?A4 : The refund are applied to the original payment method.
