D3B Dozer Track Chain Assy Undercarriage Track Chain Smooth Finished
Price:
Negotiable
MOQ:
5PCS
Delivery Time:
5-8 work days
Brand:
CCJT
Product Description
D3B Dozer Chain Track Link Excavator Track Link
Product Specifications
| Attribute | Value |
|---|---|
| Other Brands | Excavator Track Link |
| Package | Export wooden pallet |
| Material | High-strength Steel |
| Surface Treatment | Heat Treatment |
| Color | Black/Yellow |
| Warranty | 1 year |
| Finish | Smooth |
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
| Parameter | Value (mm/inches) |
|---|---|
| Pitch | 152.4 mm (6") |
| Shoe Width | 300 mm (12") |
| Link Thickness | 45±2 mm |
| Bushing/Pin Diameter | 38.1 mm (1.5") |
| Assembly Weight (per side) | ~250 kg (varies by shoe type) |
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
- Standard for D3B: 39-41 links per side (varies by configuration)
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:
- 8J-7111 (Complete link assembly)
- 3J-7357 (Pin & bushing kit)
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
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Quanzhou Jintai Machinery Co., Ltd.,
Location
NO.23 Binjiang Avenue,Nan'an City ,Fujian Province,China
Contact Person
kelly_wong