1/6 Scale 44cc OHV V8 Gasoline Engine Model Kit — Water-Cooled, 4-Stroke
1/6 Scale 44cc OHV V8 Gasoline Engine Model Kit — Water-Cooled, 4-Stroke
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1:6 SCALE · 44cc · FOUR-STROKE V8
Build it. Understand it.
Hear it run.
Turn precision metal components into a working miniature gasoline V8. A hands-on project for engine enthusiasts who enjoy the build as much as the finished machine.
Assembled engine shown for reference. Both options are DIY kits; assembly and operating setup are required.
44cc V8
8-cylinder layout
Water-cooled
Four-stroke operation
Metal kit
Build and display
Choose the package that fits your project
V8 Engine Only — $49.99
The engine assembly kit with its CDI ignition unit, engine components and associated assembly accessories. Ideal for builders who already have suitable mounting, cooling and fuel-system equipment, or want to design their own installation.
V8 Engine + Basic Starter Kit — $79.99
Includes the same engine kit plus the mounting base, cooling and fuel-system accessories, power switch and eight spark plugs shown below. The $30 package upgrade brings these supporting components together; a 12V battery and operating fluids are still required separately.
Small scale. A real mechanical project.
Follow the relationship between the crankshaft, pistons and OHV valve train as the engine comes together. Unlike a motor-driven display model, this is a fuel-burning internal-combustion engine that requires assembly, timing, lubrication and cooling setup.
Machined detail you can explore
The metal block and components are produced using five-axis CNC machining. The orange finish contrasts with the machined metal surfaces, visible fasteners, flywheel, starter and ignition wiring—details that remain interesting long after the build is complete.
Side view: ignition leads, linkage, hoses and exposed mechanical components.
Overhead view: twin cylinder banks, intake components and hose routing.
A purposeful internal layout
The PRO configuration uses a four-point-supported camshaft, five-point-supported crankshaft, enlarged intake valves, reinforced connecting rods, cast-iron piston rings, independent lubrication and a gear-driven water pump. These are working mechanical systems to assemble and maintain, not decorative moving parts.
Drive-system close-up: gears, belt and guide components.
Assembly sequence: crankshaft, piston, connecting rod and drive belt. Follow the supplied assembly manual.
Cylinder-head installation and valve-clearance adjustment. Follow the supplied setup instructions.
Display it, learn from it, or plan a custom project
Keep the completed engine as a mechanical collection piece, explore four-stroke principles, or integrate it into a suitably engineered RC project. Custom RC use requires compatible mounting, cooling, controls and drivetrain components; it is not a universal drop-in conversion. A reserved generator installation provision allows further project planning; no generator is included.
Assembled installation example. DIY assembly required; supplied accessories depend on the selected package. Outdoor operation only.
What's included: engine kit
- One engine-parts set, supplied across protected trays and the small-parts organizer.
- CDI ignition unit, cylinder-head gasket components, spark-plug wires and oil line.
- Included user and engine assembly documentation.
Engine Only does not include: the external water-cooling equipment, spark plugs, fuel tank, fuel tubing or engine base. These are provided by the Basic Starter Kit where listed below, or must be sourced for your own installation.
What's added: Basic Starter Kit
The numbered accessory photo above shows the items added with the starter package:
- Engine base
- Engine mount
- Cooling-fin screws
- Water-cooling radiator
- Radiator bracket
- Water-tank mounting strips
- Water tank
- Water-tank mounting screws
- Radiator support brackets
- Fuel tank
- Fuel-tank mounting strips
- Fuel-tank mounting screws
- Fuel-tank mounting brackets
- Cooling fan
- Power switch
- Eight spark plugs
Associated fuel and water tubing and mounting hardware are included with this accessory package. Neither package includes gasoline, engine oil or the 12V starting battery.
Technical specifications
| Scale / model | 1:6 / V8-OHV-44 PRO |
|---|---|
| Format | DIY assembly kit; not supplied as a ready-to-run assembled engine |
| Engine configuration | V-type 8-cylinder, 4-stroke gasoline internal-combustion engine |
| Displacement | 44cc total (8 × 5.5cc) |
| Valve train | Overhead valve (OHV) |
| Bore × stroke | 18.5 × 20.5mm |
| Listed speed range | 1,500–10,000rpm |
| Listed power | Approximately 5.5PS |
| Cooling | Water cooling; external cooling equipment depends on selected package |
| Lubrication | Independent lubrication system |
| Starting / ignition | Electric starter / CDI ignition |
| Starting power supply | 12V battery — not included |
| Spark plug specification | 3/16-40 imperial thread; 8 plugs included with Basic Starter Kit only |
| Fuel recommendation | 92# gasoline or higher, as specified in the supplied instructions; fuel not included |
| Oil recommendation | 4T engine oil; 10W50 / 25mL listed reference. Follow the supplied filling and maintenance procedure. Oil not included. |
| Material / finish | Metal construction with orange electrophoretic coating |
| Engine dimensions | 15.6 × 11.7 × 9.9cm |
| Engine net weight | Approximately 1,700g |
| Engine-kit package dimensions | 19 × 21 × 19cm; starter accessories add packaging |
| Engine-kit package weight | Approximately 3,200g; not the combined starter-bundle shipping weight |
| Presentation | Gift box with protective parts packaging |
| Age guidance | 16+; experienced adult supervision for younger hobbyists |
Performance figures are the product's listed specifications, not a guarantee for every installation. Assembly, tuning, cooling, load and maintenance affect operation.
Before the first start
Real engine. Outdoor operation only. Gasoline exhaust contains carbon monoxide. Never run this engine indoors, in a garage, tent, vehicle or other enclosed or partly enclosed area—even with doors or windows open. Keep exhaust away from doors, windows and air intakes.
- Follow the supplied assembly and operating manual. Secure the engine to a stable suitable base before starting.
- Complete the cooling circuit, lubrication and ignition setup before operation. Do not run dry or without cooling.
- Keep hands, hair, loose clothing and tools clear of rotating parts. Wear eye protection and keep bystanders clear.
- Keep fuel away from ignition sources. Stop and allow the engine to cool before refueling or maintenance; avoid hot surfaces.
- This is a hobby engine kit, not a children's toy or a household power supply.
Quick answers
Does it arrive assembled?
No. Both packages contain a kit for you to assemble. The finished-engine photograph illustrates the completed build.
Does the Starter Kit include the engine?
Yes. Select “V8 Engine + Basic Starter Kit” to receive the engine kit plus the pictured starter accessories. The accessories-only photograph explains the added parts; it is not a separate engine.
Can it be displayed on a desk?
Yes, when stopped, cooled and safely prepared for display. Fuel-powered operation must take place outdoors with a secure setup—not on an indoor desk.
Is the electric starter the same as an electric engine?
No. The starter uses a separate 12V battery to turn the engine during startup. The engine itself runs on gasoline using a four-stroke cycle.
Your build starts with the right package. Choose Engine Only for a custom setup, or add the Basic Starter Kit for the listed supporting hardware.
