Precision-manufactured to Hitachi OEM tolerances (±0.02mm), the 4336314 final drive travel motor delivers 65,000+ Nm output torque for EX-series mining excavators. Direct replacement assembly for EX1800/EX1900/EX3600 undercarriage systems.
Mining Durability Specifications
| Parameter | Performance | Test Standard |
|---|---|---|
| Torque Output | 65,000 Nm @ 350 bar | ISO 4409:2007 |
| Impact Resistance | 15g shock load survival | ISO 10816-8 |
| Service Life | 12,000+ hours | Hitachi ATC Protocol |
| Seal Integrity | 0 leaks @ 18,000 PSI | ISO 10763 |
| Thermal Range | -40°C to 120°C | MSHA 30 CFR §56 |
Precision Compatibility Matrix
| Model | Variants | Mining Applications |
|---|---|---|
| EX1800-6 | EX1800-6, EX1800HD-6 | Copper ore loading |
| EX1900-6/7 | EX1900-6, EX1900-7 | Oil sands operation |
| EX3600-6/7 | EX3600-6, EX3600-7 | Iron ore haulage |
| Special Configs | EX3600H (High Altitude) | Hard rock mining |
Failure-Prevention Engineering
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Gear System
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Case-hardened 20CrNiMo2 planetary gears (HRC 60-62)
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6-planet load distribution design
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Bearing System
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Tapered roller bearings (L10=20,000 hrs)
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Labyrinth seal contamination barrier
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Motor Protection
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Hard-chromed piston rods (0.1μm Ra)
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Shock-absorbing port block
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Seal Technology
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Quad-lip Turcon® seals with dust exclusion
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360° laser-welded housing
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