Chain Pin/ Track Pin

Heavy-Duty Chain Pin & Track Pin for Excavators

Spark Industries is a trusted manufacturer of track chain pin and excavator chain pin components designed for heavy-duty construction, mining and earthmoving equipment. Our track pins are manufactured using high-grade alloy steel and advanced heat treatment processes to ensure superior hardness, dimensional accuracy and long service life.

Track chain pins are critical components of the excavator undercarriage system. They connect track links and support rotational movement within the chain assembly while maintaining structural stability under extreme load conditions.

Our heavy-duty chain pins are engineered to reduce wear, prevent misalignment and improve crawler track efficiency. We supply OEM-quality track pins across India to dealers, contractors and equipment maintenance professionals.

What is a Chain Pin in an Excavator?

A chain pin, also known as a track pin, connects two track links in a crawler undercarriage system. It allows controlled pivot movement while absorbing impact loads during digging, grading, and earthmoving operations.

Properly manufactured track pins help:

Maintain correct track alignment
Reduce excessive wear
Improve undercarriage lifespan
Enhance machine efficiency
Lower maintenance costs

Compatible Excavator Models

We supply chain pins suitable for:

PC 71, PC 130, PC 200, PC 300
EX 60, EX 100, EX 200
Zaxis 120 / 140 / 210
Volvo 140 / 210
Sany, Tata and other crawler machines

Custom sizes available on request.

Product Features

Induction hardened surface
High tensile alloy steel
Precision-ground diameter
Excellent wear resistance
OEM-standard tolerances
Heavy-duty & super-grade options

Bulk supply across India

Material & Manufacturing

Our excavator track pins are manufactured using:

Premium alloy steel
Controlled heat treatment process
Induction hardening for surface durability
Precision machining for exact fitment
Corrosion-resistant finishing

This ensures maximum resistance against bending, cracking, and premature wear.

Applications

Excavators
Mining equipment
Earthmoving machinery
Construction crawler machines

Heavy-duty undercarriage systems

Why Choose Vonk Industries?

Strict dimensional accuracy
Hardness-tested components
Reliable heavy-duty performance
Competitive pricing
Pan-India supply network

Trusted excavator spare parts manufacturer

Frequently asked questions

Here are some common questions about our company.

What is the function of a track chain pin in an excavator?

A track chain pin connects individual track links in the excavator undercarriage system. It allows controlled rotational movement while maintaining track alignment and structural stability under heavy load conditions.

What material is used for manufacturing track chain pins?

Track chain pins are typically manufactured from high-grade alloy steel and undergo heat treatment to increase hardness, strength and resistance to wear and impact.

What is the difference between a track chain pin and a master pin?

A track chain pin connects standard track links, while a master pin is specially designed for easy assembly and disassembly of the track chain during maintenance or replacement.

How do I know if my track chain pin needs replacement?

Common signs include excessive track looseness, abnormal vibration, uneven crawler movement, visible wear marks and increased undercarriage noise during operation.

How long does a track chain pin last?

The lifespan depends on terrain conditions, machine load and maintenance practices. In heavy mining and construction environments, properly heat-treated pins offer extended durability when regularly inspected.

Why is heat treatment important for track pins?

Heat treatment increases surface hardness and improves resistance to friction and impact. Without proper hardening, pins may deform or wear prematurely under heavy operational stress.

Can worn-out track pins damage other undercarriage components?

Yes. Worn track pins can lead to misalignment, accelerated wear of bushings, sprockets and rollers, and may increase overall maintenance costs.

Are your track chain pins suitable for all excavator models?

We manufacture track pins in multiple sizes compatible with various excavator and crawler machinery models. Custom sizes can also be produced based on technical specifications.

What industries commonly use track chain pins?

Track chain pins are widely used in construction, mining, road infrastructure projects and heavy earthmoving equipment where crawler-based machinery operates.

Why should I buy track chain pins directly from a manufacturer?

Buying directly from a manufacturer ensures consistent material quality, proper heat treatment standards, customization options and reliable bulk supply for long-term operational needs.

Chain Pin/ Track Pin

Heavy-Duty Chain Pin & Track Pin for Excavators

Chain Pin 19.2*105 mm

E.x 100 Chain Pin (33.65*186)

E.x 200 Chain Pin (36.65*217)

E.x 70 Chain Pin (24*155)

H-140 Chain Pin (36.65*185)

J.S 75 Chain Pin (24.2*140)

P.C 130 Chain Pin (30.5*170)

P.C 130 Chain Pin (Super)

P.C 130 Super Chain Pin

P.C 200 Chain Pin (38.3*217)

P.C 71/H-80 Chain Pin (24.2-130)

Suni 140 Chain Pin (31.2*170)

Tms 20 Chain Pin

Volvo 140 Chain Pin (33.6*176)

E.x 60 Chain Pin (30.5*156)

P.C 300 Chain Pin

P.C 71 Chain Pin (Heavy) (24.2*130)

Sany 35 Chain Pin (21.15* 98)

Chain Pin 33.6-170 mm