Excavator pins and bushings are precision-machined elements, that are the primary articulation points that connect all the excavator's moving components (e.g. boom, arm, bucket, and swing system). They are made up of solid steel(labeled as pins acting as shafts) and bronze or steel (bushings acting as sleeves to -reduce friction). Excavator pins and bushings are a simple hinge system consisting of steel pins used for connection, and bushings to limit play and reduce friction while producing a durable hinge that can withstand the extreme loads, shocks, and abrasive conditions present on a work site. Most excavator / digger pins and bushes are manufactured from high strength alloy steels and the surfaces are heat-treated to ensure the devices can perform millions of cycles without failure. Pins and bushes have smooth operation tolerances. The surface of the excavator movement is usually painted or coated to eliminate rust and corrosion, or is addressed with an interchangeable hard surface, although this is typically due to regular maintenance or longer service intervals.
Why does excavator pins and bushings matter?
Excavator pins and bushes may seem simple however they are mission specific to excavator productivity. Damaged or worn pins and bushes can cause baffling increases in fuel consumption as a result of hydraulic oil consumption caused by angles of digging and increase in digging resistance caused from poor cycling and aged machines. This can lead to incorrect performance of excavator operation or "feeling" inefficient. This can have widespread ramifications onto performance from collision damage to cylinders and other joint parts from improper digging angles. Properly maintained pins, and bushings keep your machines operating with the best hydraulic efficiency, enables them to run smoother, and can extend equipment life. The ripple effects of an excavator's condition can ultimately affect the job site and profitability of the project. The consequences for heavy-duty applications specific to mining, construction, and demolition is making sure to invest in good quality pins, and bushings, has not only been a decision from a maintenance perspective but to create the best operational advantage possible.
No more squeaky booms or downtime. These pins fit perfectly right out of the box. Saved us $5k last quarter in repairs. Simple as that.
After extensive fatigue testing (recognized at ASTM E466 standards), we have 40% lower wear rates over what we had previously been supplied by another supplier. The chrome-plated pins stayed structurally intact even at cyclic loads of 15,000 psi. We will reorder again.
Your pins and bushings were toleranced to all ISO 2768 tolerances and were shipped ISO 9001 certified. The 12-month warranty, and 48-hour tech support provided substantial means in delivering our annual supply award of $2M, which should be on autopilot for renewal in Q4.
Last winter my old pins broke during a hillside project, which cost me 2 weeks and a client. Your heavy-duty set appeared in 3 days from order (thanks Chile warehouse!), and my crew finished the project early. You are my only supplier now.
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