1 PC STD Connecting Rod for Komatsu 3D82 Yanmar 3TN82E 3TNV82A 3TNE82 Engine

Product Specifications

Compatible Models

Tired of Engine Failures During Critical Excavation Cycles? Get the Right Komatsu 3D82 Connecting Rod for Your Yanmar 3TN82E or Komatsu 3D82AE Engine

Construction fleet managers know: one failed connecting rod means 8–12 hours of unplanned downtime — costing $2,500+ per day in lost productivity and penalty clauses. Many buyers receive counterfeit rods that crack under load or lack proper heat treatment, leading to catastrophic engine seizure during high-load operation. OEM replacements often require 3-week waits and carry 40% price premiums — delaying urgent rebuilds on active job sites.

OEM-Equivalent Quality, Ready to Ship From Guangzhou Warehouse

This STD connecting rod is manufactured in ISO 9001-certified facilities with strict incoming material inspection and pre-shipment dynamic load testing. Designed for heavy-duty engine rebuilds on Komatsu 3D82 and Yanmar 3TN82E platforms, it delivers consistent performance in continuous digging, grading, and loading cycles. With 10 years of global export experience and 10,000+ SKUs in stock, XUNPO supplies verified replacement parts trusted by repair centers across Africa, Southeast Asia, and Latin America.

Where This Part Works

This connecting rod operates under high-cycle compression loads in compact excavators, skid steers, and mini-loaders deployed on infrastructure projects, quarry operations, and urban demolition sites. It endures thermal cycling up to 220°C and peak cylinder pressures exceeding 120 bar — making precise metallurgy and dimensional stability critical. A misfit or low-hardness rod directly compromises crankshaft alignment and bearing life, especially in Yanmar 3TN-series engines used in port material handlers and agricultural loaders.

Engineering Details That Matter

Forged SAE 4340 alloy steel ensures fatigue resistance at 1,200 MPa tensile strength — matching OEM specs for Komatsu 3D82 applications. Each rod undergoes shot peening to improve surface compressive stress and delay micro-crack initiation. Pin hole diameter tolerance is held to ±0.005 mm to guarantee proper wrist pin fit and prevent galling. The big-end bore is honed to Ra 0.4 μm surface finish for optimal bearing contact, while the entire component receives black oxide coating for corrosion resistance in humid or coastal environments.

The Real Cost of Wrong Parts

A $35 counterfeit rod may save $70 upfront — but causes premature main bearing wear, crankshaft scoring, and oil contamination within 150 operating hours. Industry data shows such failures increase total repair cost by 230% versus using a certified aftermarket part. ISO 8573-compliant cleanliness standards ensure no machining debris remains inside the oil passages — avoiding hydraulic-lifted valve train damage common in Yanmar 3TNV82A engines. When calculating TCO, factor in labor ($120/hr), crane rental ($450/day), and project delay penalties — not just part price.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually wrapped in VCI paper, secured in custom foam insert, packed in double-walled corrugated box
• In-stock items ship within 2–5 working days after order confirmation
• Flexible logistics: Express (DHL/FedEx/UPS), air freight, or sea freight — quoted per destination
• Real-time tracking number provided upon dispatch
• MOQ: 1 piece — supports urgent field repairs and small-batch rebuilds

Get Your Komatsu 3D82 Connecting Rod Now

Your excavator isn’t generating revenue while waiting. Send us your machine model (e.g., Komatsu 3D82AE or Yanmar 3TN82E), required quantity, and destination — we’ll email a competitive quote within 24 hours. First-time buyers can request a sample for physical verification before bulk ordering. Stock is limited — confirm availability today to avoid delays on your next engine overhaul.

Frequently Asked Questions