Epiroc 3222333479 Hydraulic Gear Motor Full Specifications

Basic Info

1. Epiroc OEM Part No.: 3222333479
2. Alternative Interchange Part No.: 3222320972 (100% compatible)
3. Product Name: Hydraulic Planetary Gear Motor / Rotation Drive Motor
4. Applicable Rig: Epiroc FlexiROC D65, ROC D65 Surface Blast Hole Drill Rig
5. Function: Main rotation drive for drill string rotation

1. Structural Parameters

• Type: Axial Piston Hydraulic Motor Integrated with Planetary Reducer
• Output Connection: Flange Drive Shaft, Directly connected to rotation head
• Mounting: Horizontal Flange Mounting
• Internal Structure: Multi-stage planetary gear reduction assembly for high torque

2. Hydraulic Performance

• Rated Operating Pressure: 210 bar
• Peak Intermittent Pressure: 280 bar
• Standard Oil Flow Range: 60–90 L/min
• Max Allowable Flow: 110 L/min
• Rated Output Torque: 12500 N·m
• Output Rotation Speed: 0–120 rpm (adjustable by flow rate)
• Fixed Displacement Piston Motor Design

3. Fluid & Temperature Range

• Recommended Hydraulic Oil: ISO VG46 Anti-wear Hydraulic Oil
• Operating Oil Temperature: -10℃ ~ +85℃
• Ambient Working Temperature: -15℃ ~ +60℃
• Seal Material: FKM Fluoroelastomer, anti-aging & dust resistant

4. Material & Weight

• Housing: High-strength Cast Steel
• Gear & Planet Carrier: Alloy Quenched & Tempered Steel, Carburized Hardened
• Net Weight: Approx. 13.6 kg (30.0 lb)
• Port Connection: Standard SAE Flange Ports

5. Working Features

• High impact resistance for heavy blast hole drilling
• Self-locking function to prevent drill string slipping when stop working
• 100% continuous duty cycle for long-time mining operation
• Protection Class: IP65, dustproof & waterproof for open pit mine

6. Spare Parts & Maintenance

1. Interchange Unit: 3222320972, identical dimension, torque and port layout
2. Overhaul Kit: FKM seal kit, planetary bearings, piston & valve plate repair parts
3. Common Faults: Internal leakage, weak rotation, abnormal gear noise, shaft oil leakage