Description
Overview:
This Feather Key for a 3:1 Reduction Box Crankshaft is a genuine Villiers OEM component designed to lock a hub, gear, or pulley securely to the crankshaft on classic Villiers engines. Made from durable steel with a precise rectangular profile, it transmits torque between shaft and mating part while maintaining alignment inside the reduction gearbox. It is suitable for vintage small-engine applications, including Villiers MK10 and MK12, and helps keep original driveline tolerances intact. Supplied as unused old stock, it may show light tarnishing or minor marks from storage, which do not affect performance. Ideal for restoration and maintenance work on period machinery where correct fit and dependable drive are essential.
Key Features:
- Genuine Villiers OEM part for correct fit and dependable operation
- Engineered for 3:1 reduction box crankshaft applications on classic engines
- Steel construction for strength, wear resistance, and long service life
- Accurate parallel profile for secure torque transmission without slippage
- Helps prevent fretting between shaft and hub under load
- Unused old stock; cosmetic tarnish is possible but function is unaffected
- Straightforward to install in a clean keyway; removable for future servicing
- Supports reliable running of vintage machinery with original specification parts
Typical Applications:
Used to secure gears, pulleys, sprockets, or couplings to the crankshaft within a 3:1 reduction gearbox on small stationary engines and horticultural equipment. Common in restorations and repairs of classic Villiers-powered tools such as generators, rotavators, mowers, and pumps, where maintaining correct drive engagement and alignment is critical for smooth, efficient operation.
Also known as:
Parallel key, shaft key, machine key, key stock, drive key, feather key bar. These terms are often used interchangeably for rectangular steel keys used to couple a rotating shaft to a hub while transmitting torque and maintaining alignment.
Fits Models:
C12, MK10, MK12
Alternate Part Numbers:
EM793
Product Specifications
| L&S Part No. | EM793 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Villiers |
| OEM No. | EM793 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Villiers |
| Key Features | - Genuine Villiers OEM part ensures correct fit and operation - Designed for 3:1 reduction box crankshaft applications - Steel construction offers strength and wear resistance - Accurate profile prevents slippage and maintains alignment - Suitable for Villiers MK10 and MK12 models |
| Fits Models | C12 | MK12 | MK10 |

