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1936–1947 Knucklehead Engine
1/6 Scale Knucklehead - Full Drive Edition -
¥38,800
Made to order｜Ships in 1–2 weeks
🚚 Shipping / 配送について
- Japan: Free shipping
- USA / Europe / Australia & other countries: ¥2,000 (tracked, estimate)
- Worldwide free on 2+ engine models (applied automatically)
- In-stock items ship in 2–3 days; made-to-order in 1–2 weeks
Duties & taxes: what you’ll pay
US orders: import duties are prepaid by us. Nothing to pay on delivery.
Other countries: import duties, VAT and handling fees may be charged on delivery and are the buyer’s responsibility.
Every parcel is declared at full value and fully insured.
1936–1947 Knucklehead Engine
Full Drive Edition · 1/6 Scale
The complete powertrain — engine, transmission, and primary — in 1/6 scale.
🏆 What the Full Drive Edition means
This is the most complete build in the lineup. It recreates not just the engine, but the entire powertrain — transmission and primary included. Just like the real machine, the full path of power from engine to primary to gearbox is all here.
✓ Engine (OHV Knucklehead)
✓ 4-speed transmission
✓ Primary chain case
✓ Kick starter
✓ Piping & wiring detail
The Knucklehead — Harley's first OHV V-twin, built from 1936 to 1947 and named for its knuckle-like rocker boxes. This Full Drive Edition goes all the way: not just the engine, but the entire powertrain — 4-speed transmission, primary chain case, and clutch — all faithfully recreated. This 1/6-scale piece is built and aged by a single craftsman in Osaka, Japan.
🛠 About this piece
Hand-finished by one craftsman
Sanded, primed and painted entirely by hand, one piece at a time.
5–8 layers of paint
Built up from primer to final coat to capture a real metal finish.
Ready to display, no assembly
Cast in a durable custom resin. Includes a display stand — ready to display on arrival.
▶ Watch the build come together in the video at the bottom of this page.
✨ Recommended for
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Collectors who want the complete, full-powertrain Knucklehead build
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Anyone who loves vintage American V-twins and their history
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A statement piece for a garage, studio, or office shelf
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A serious gift for the rider or builder in your life
📐 Product Specifications
| Scale | 1/6 |
| Size | Approx. 12.5cm (H) x 12.5cm (W) x 9cm (D) |
| Displacement (actual engine) | 61ci (999cc) / 74ci (1,212cc) |
| Material | Custom-blended photo-curing resin (UV-curable) |
| Finish | Multi-layer paint + hand-painted aging |
| Made in | Osaka, Japan |
| Includes | Display stand |
Engine to primary to gearbox — the whole story, in your hand.
Made with care
One-Of-A-Kind
Premium materials
Good Reviews