Heavy Duty Excavator Track Chain KM2346 21N-32-00101 for Komatsu PC1250

What We Can Do For You

As a specialized manufacturer with over 10 years of focus on producing excavator track chains, our core strength is turning the track chain—one of the most failure-prone components—into the most worry-free and cost-effective part for our customers.

We truly solve customer problems in the following key areas:

1. Solving premature wear and early chain failure

Most customers’ biggest pain points are: rapid chain elongation in a short time, severe internal wear on pins and bushings, seal failure causing oil leaks, and cracked links.

We address this through:

Pins with deep carburizing + low-temperature tempering, surface hardness HRC 58–62, case depth 8–12 mm

Bushings with dual-side high-frequency quenching (inner & outer), hardness HRC 56–60

Fully forged links with quenching and tempering, ensuring excellent core toughness and resistance to brittle fracture

Real-world feedback: Many mining and large earthmoving customers report significantly extended service life after switching to our chains.

2. Solving high OEM prices and long lead times

Genuine OEM track chains often cost tens of thousands to over $100,000 per set, with delivery times of 2–4 months or more.

As a direct manufacturer, we offer:

Prices typically 45–65% of OEM levels

Regular models (e.g., PC200, PC300, PC400, PC800, PC1250, CAT320, CAT349, etc.) kept in constant stock with shipment possible within 7 days

Bulk or custom orders delivered in 30–45 days

3. Solving compatibility and installation rework issues

Many customers have bought chains that “look similar but don’t fit properly,” resulting in incorrect tension, track deviation, and sprocket damage.

We ensure:

Every batch is produced to exact OEM tolerances for pitch, pin diameter, bushing outer diameter, and link height

Strict dimensional control to guarantee drop-in fit and proper alignment

4. Solving after-sales and trust concerns

Customers fear buying low-cost parts that fail after a few months with no support.

We commit to:

Standard 12-month or 2,000 working hours warranty

Free replacement or refund for quality-related failures (excluding human damage)

Ongoing technical support, including track tension guidelines, shoe rotation/flipping recommendations, and advice on matching with sprockets and carrier rollers

In one sentence, our value is:

We don’t sell the cheapest track chains—we sell the ones with the highest cost-performance ratio, allowing customers to go the longest time without worrying about their track chains again.

FAQ

Q: Will this fit my PC1250-8 or PC1250SP?

A: Yes – same 280 mm pitch and mounting points across the PC1250 series.

Q: How many links per side?

A: 48L.

Q: Can I buy just the links without shoes?

A: Yes – bare chain or full chain-with-shoes available.

Q: Do you ship to mining sites in Australia / Chile / Canada?

A: Yes – we have experience shipping complete PC1250 undercarriage kits worldwide with secure packaging.

Q: Do you only supply track chains for the PC1250, or other undercarriage parts as well?

A: We specialize in the full undercarriage for the Komatsu PC1250. In addition to heavy-duty track chains, we also offer matching track rollers (bottom and top), sprockets, front & rear idlers, and track shoes (various widths and types). All parts are engineered for perfect compatibility and even wear, so you can order a complete matched set from one reliable source—saving time on sourcing, ensuring better performance, and reducing the risk of mismatched components.