115‑3696 Front Idler — Heavy‑Duty Undercarriage Tension & Guide Assembly
The 115‑3696 Front Idler is a vital undercarriage component for large‑tonnage Caterpillar excavators. It guides track chains, maintains proper track tension, and bears partial machine weight. Designed for Heavy‑Duty (HD) undercarriage systems, this 580‑mm‑diameter idler adapts to heavy‑load excavation, mining and forestry working conditions.
1. Technical Specifications
| Technical Parameter | Specification Details |
|---|---|
| Part Number | 115‑3696 (1153696) |
| Flange Outer Diameter | 580 mm (22.83 in) |
| Tread Diameter | 540 mm (21.26 in) |
| Rim Width / Shaft Diameter | 187 mm (7.378 in) / 75 mm (2.95 in) |
| Shaft Length | 340 mm (13.386 in) |
| Material | High‑Strength Forged Alloy Steel with Induction‑Hardened Tread Surface |
| Undercarriage Compatibility | Optimized for CAT Heavy‑Duty (HD) Track Systems |
2. Machine Compatibility
This heavy‑duty front idler fits a wide range of 25‑35‑ton Caterpillar construction and forestry machines:
Excavators: 322B/C, 325B/C/D, 329D/E/F, 330D2, 330F, 330 GC
Forestry Equipment: 322C FM, 325D FM, 511, TK711 Feller Bunchers
Large Special‑Purpose Units: 336D/E/F LN, 340 MHPU, 352 FMHPU
3. Key Features & Advantages
Deep Induction‑Hardened Surface: Precision heat‑treated tread and flange resist abrasion, pitting and deformation, extending service life in high‑abrasion mining and muddy sites.
Maintenance‑Free Sealing Structure: High‑quality dual‑cone seals and reinforced bushings prevent oil leakage, eliminating regular greasing maintenance requirements.
High‑Impact Forged Body: Premium alloy steel forging improves shock resistance, adapting to harsh forestry and rock‑working impact loads.
Precision Anti‑Derailment Design: Accurately machined center flange width limits track lateral displacement, reducing side wear and preventing track falling‑off.
Product: Front Track Idler Assembly
Condition: Aftermarket New Replacement
Cross Part Number: 1153696
MOQ: 1 Unit
Warranty Period: 12 Months / 2000 Working Hours
For bulk wholesale, technical consultation and undercarriage‑component sourcing solutions:
Xuzhou Sinoswift Import & Export Co., Ltd.
Contact: +86 13701956981
Email: [email protected]