CAT-E349/1243296/Final Drive Sprocket Assembly/Heavy-Duty Power Transmission for Mining and Construction
Product Specifications
Caterpillar-E349 Final Drive Sprocket Assembly image :
I. Technical Specification Profile
| Parameter | Specification | Engineering Significance |
|---|---|---|
| Compatible Models | CAT 349D/D L, 349E/E L,349F/FL (2018-2025) | Serial prefix: MXP, DRT, J9N required |
| Material Composition | SAE 4320H Forged Steel/Casting Steel | Triple-phase heat treatment (HRC 60±2) |
| Tooth Profile | 43 Teeth / 9.00" Pitch (228.6mm) | Asymmetric design reduces chain slap force |
| Static Load Capacity | 48 Tons | Exceeds ISO 90001:2015 standards |
| Sealing System | Triple-Lip Labyrinth Seal | IP69K dust/water ingress protection |
| Weight | 73 kg | Optimized mass-to-torque ratio |
II. Performance Advantages
A. Durability Enhancements
Laser-Hardened Tooth Flanks: Surface hardness ≥1,800 HV extends wear life by 50% vs. OEM equivalents in abrasive environments (e.g., quarry operations)
Integrated Wear Sensors: Optional IoT-enabled teeth with 2mm wear indicators for predictive maintenance integration
Corrosion Defense: Zinc-Nickel Electroplating (12μm) + anti-corrosive grease channels
B. Operational Efficiency
Direct Bolt-On Compatibility: Precision-machined Hirth coupling interface eliminates shimming requirements (installation time reduced by 40%)
Thermal Management: Oil-cooled hub design maintains ≤85°C at 28 RPM continuous operation
V. Multimedia Integration
Interactive Tool: E349 Sprocket Wear Calculator (Input hours/terrain type → replacement timeline)
Video Embed: "10-Minute Diagnostic: CAT 349 Final Drive Sprocket Wear Patterns
Interactive Tool: E349 Sprocket Wear Calculator (Input hours/terrain type → replacement timeline)
Video Embed: "10-Minute Diagnostic: CAT 349 Final Drive Sprocket Wear Patterns
IV. Failure Mode Analysis (Authoritative Content)
| Failure Symptom | Root Cause | Prevention Solution |
|---|---|---|
| Tooth tip fracture | Chain bushing oversize tolerance | Match sprocket/chain wear within 3% |
| Hub seal leakage | Contaminated final drive oil | Install desiccant breather (P/N 179-2929) |
| Abnormal vibration | Improper Hirth coupling seating | Use CAT 8U-6450 alignment tool kit |
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