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| Brand Name: | OEM Standard |
| Model Number: | 3115173281 |
| MOQ: | 1 Piece |
| Price: | USD 45-95 / Piece |
| Delivery Time: | 3-5 working days for stock, 15-25 days for production |
| Payment Terms: | T/T,L/C,PayPal,Western Union |
Precision gear assembly 3115173281 for Epiroc COP1638HD and COP1838HD hydraulic rock drill drifters. Manufactured from heat-treated alloy steel with CNC gear hobbing and precision grinding, this rotary gearbox assembly ensures smooth, reliable torque transmission and long service life in demanding mining and tunneling applications.
The 3115173281 Gear Assembly is a key rotary transmission component located in the gearbox of the Epiroc COP1638HD and COP1838HD hydraulic rock drill drifters. It transmits rotary torque from the hydraulic motor to the drill shank, driving the drill bit through hard rock formations. Made from heat-treated alloy steel and finished with precision gear hobbing and grinding, the assembly delivers smooth engagement, high load capacity and outstanding wear resistance, reducing downtime and maintenance costs for drilling fleets operating in severe conditions.
| Part Number | 3115173281 (3115 1732 81) |
| Compatible Machine | Epiroc COP1638HD / COP1838HD Hydraulic Rock Drill Drifter |
| Part Name | Gear Assembly / Rotary Transmission Gear |
| Material | Heat-Treated Alloy Steel |
| Hardness | HRC 48-55 |
| Manufacturing Process | CNC Machining + Gear Hobbing + Heat Treatment + Grinding |
| Surface Treatment | Anti-rust Protective Coating |
| Function | Rotary Torque Transmission + Drill Shank Driving |
| Mounting Type | Rotary Gearbox of Drifter |
| Packaging | Anti-rust oil wrap with export-grade plywood case |
The gear assembly (3115173281) is a critical rotary transmission component of the Epiroc COP1638HD/COP1838HD drifter:
| Torque Transmission | Transfers rotary torque from the hydraulic motor to the drill shank |
| Drill Shank Driving | Drives the drill bit through hard rock formations |
| Speed Reduction | Optimized gear ratio matches rotation speed to drilling requirements |
| Wear Protection | Hardened gear teeth resist abrasive wear and extend gearbox service life |
| Stable Operation | Precision tooth profile minimizes vibration and noise during drilling |
This gear assembly fits the following Epiroc drifter applications:
As a specialized supplier of Epiroc hydraulic drifter components, we manufacture every 3115173281 gear assembly through a rigorous process: heat treatment of premium alloy steel, CNC gear hobbing, precision profile grinding, tooth geometry verification, hardness testing, and final dimensional inspection. With ISO 9001:2015 certified production and over 15 years of experience in rock drill spare parts manufacturing, our components deliver reliability that meets or exceeds original equipment standards. Flexible supply supports both single-unit urgent orders and volume procurement for mining fleet maintenance programs.
| Individual Packaging | Anti-rust oil applied, wrapped with VCI anti-corrosion paper and heavy-duty bubble film |
| Outer Packaging | Export-grade plywood case with custom foam insert and desiccant packs |
| Shipping Method | DHL, FedEx, UPS for urgent orders; Sea freight for bulk procurement |
| Delivery Time | 3-5 working days for stock items; 15-25 days for production orders |
| Labeling | Part number, product description, quantity, and handling marks on each case |
