Description
Overview:
The Locking Plunger Spring is a small but essential service part for Winget site mixers. It keeps the plunger mechanism under consistent tension so mixer components lock securely in place during use and transport. Manufactured from tempered spring steel for repeatable performance, it is designed for the demands of construction sites and hire fleets. This Genuine Winget part (MPN 513345300) fits popular models such as the Winget 100T and 150T, as well as the 175T. Replacing a tired or weakened spring helps restore positive engagement of the lock, reduces unwanted movement, and supports safe, reliable mixer operation. It is a straightforward fit during routine maintenance and is sized to original equipment specifications to ensure correct function without modification.
Key Features:
- Genuine Winget part for correct fit and reliable operation (MPN 513345300)
- Tempered spring steel for strength, fatigue resistance, and long service life
- Consistent return tension to maintain secure locking of mixer components
- Direct replacement to OEM specification; no alterations required
- Helps prevent drum or handle drift by keeping the lock positively engaged
- Suitable for demanding site conditions and frequent stop/start use
- Supports safe operation by improving positional stability of the mechanism
- Quick to install during scheduled servicing to minimise downtime
- Compatible with Winget 100T, 150T, and 175T mixers
Typical Applications:
Used to renew the locking action on Winget site mixers where the plunger must stay positively engaged. Ideal when the existing spring has weakened, causing poor lock retention or excessive play. Common in workshop overhauls, fleet maintenance, and on-site repairs to restore dependable operation in concrete mixing and general construction tasks.
Also known as:
Detent spring, plunger return spring, drum lock spring, latch spring, positioning spring, mixer plunger return, handle lock spring. These terms refer to the same function: providing the return and holding force for the mixer's locking mechanism so components stay set in the required position.
Fits Models:
100T, 150T, 175T
Alternate Part Numbers:
513 3453 00