When a master pin for earthmoving equipment wears or deforms, the entire chain assembly is at risk. This aftermarket master pin 12t for the 12T is manufactured to OEM pin diameter, hardness profile, and head geometry — giving you a correctly fitting replacement part that installs with the proper press tool and holds the chain assembly safely in service.

Why Choose This Master Pin 12T
– Pin diameter: OEM ±0.01mm for correct master link bore fit
– Length and head geometry: OEM dimensions for correct lock engagement
– Hardness: surface case-hardened, core left tough

Heavy-Duty Construction
This master pin 12t is manufactured using alloy steel: induction or case-hardened to OEM surface hardness profile. Precision-ground diameter for accurate press-fit installation. Cleaned, measured, and packaged to prevent damage before installation. Designed to withstand vibration, impact loads, and harsh operating environments commonly found in construction, quarry, mining, and earthmoving applications. Precision manufacturing helps ensure correct fitment and long service life.

Applications
Suitable for a wide range of heavy equipment and undercarriage systems including:
– Excavators
– Dozers
– Loaders
– Track roller assemblies
– Earthmoving machinery undercarriage components

Maintenance Recommendations
– Replace master pin on each chain assembly removal
– Check locking mechanism engagement before operating; a loose master pin will self-extract
– Inspect the master link bore condition before pressing in the new pin

Australia-Wide Supply
We supply high-quality master pin 12t replacement parts across Australia with shipping from NSW. Suitable for aftermarket heavy equipment repairs and undercarriage maintenance applications.