Attribute	Value
Name	Factory Direct D3B Dozer Chain Cr3657 6S8685 Track Link Excavator Track Link
Other Brands	Excavator Track Link
Package	Export wooden pallet
Material	High-strength Steel
Surface Treatment	Heat Treatment
Color	Black
Warranty	1 year
Finish	Smooth
Colour	Yellow

Product Overview

Compatible Model: Caterpillar D3B compact crawler bulldozer (or modified excavator versions of similar tonnage)
Track Type: Sealed & Lubricated (SALT) track chain, designed for medium-to-low load applications
Design Standard: Complies with Caterpillar TL (Track Link) series specification

Core Specifications

Dimensional Data

Material & Manufacturing

Track Links: Forged high-manganese steel (Mn18Cr2), quenched, hardness ≥HRC55
Pins & Bushings: Alloy steel (42CrMo), medium-frequency induction hardened, hardness HRC58-62
Sealing System: Nitrile rubber (NBR) seals + lithium-based grease for dust/water resistance

Configuration Options

Track Shoe Types

Type	Application	Features
Single-Grouser	Hard terrain, rocky conditions	High traction & wear resistance
Flat Shoes	Turf/asphalt protection	Minimizes ground disturbance
Wide Swamp Pads	Mud/wet soils	Extra width (400mm) to reduce sinking

Link Quantity

Performance Features

Durability: Service life up to 4,000-6,000 hours (under normal conditions)
Maintenance Intervals: Grease replenishment every 500 hours, seal replacement at 2,000 hours
Compatibility: Interchangeable with similar models (e.g., D3C/D4B) after verifying pin dimensions

OEM & Aftermarket References

Caterpillar Part Numbers:

Key Selection Notes

Verify Machine Year: Early D3B models (pre-1980s) may use non-standard pitch (e.g., 5.5")
Match to Application: Opt for wide swamp pads in wet conditions to reduce lateral stress on links
Genuine Part Identification: Look for "CAT" logo and laser-etched part numbers on link sides

Inquiry Cart 0