LNM0631 JLC0007 swing motor for JCB JS160W JS175W JS160 JS180 excavator
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Swing Motor Assembly for JCB JS160W JS175W JS160 JS180 | OEM Original New | Part No. LNM0631 JLC0007
1. Product Overview
The LNM0631 (JLC0007) is the primary hydraulic actuator responsible for the upper structure rotation of JCB medium-range excavators. This high-torque, axial piston motor is designed to provide smooth start-stop acceleration and precise swing braking. As an OEM Original New unit, it ensures the exact displacement and pressure ratings required to maintain the machine's factory swing speed and lifting stability, even on sloped terrain.
2. Technical Specifications & Parameters
Part Numbers: LNM0631, JLC0007.
Machine Compatibility: * Wheeled Models: JCB JS160W, JS175W (Auto/Tier 2/Tier 3 variants).
Tracked Models: JCB JS160, JS180.
Motor Type: Fixed displacement axial piston motor.
Braking System: Integrated mechanical parking brake (wet-disc type) with hydraulic release.
Valve Integration: Features built-in relief valves and anti-rebound (cushion) valves to prevent structural shock during swing stops.
Mounting: Standardized JCB flange pattern for direct integration with the swing reduction gearbox.
3. Why Partner With a 13-Year Industry Expert?
OEM Authenticity: We supply "Original New" units, meaning the motor is sourced from the factory line to ensure zero-hour service life and 100% genuine internal components.
Technical Precision: Our team understands the specific hydraulic flow requirements for the JS series. We ensure the motor's relief settings are pre-calibrated to JCB's factory specifications.
Rigorous Verification: Every motor is cross-referenced with your machine’s serial number and undergo inspection for seal integrity and port threading before shipment.
Global Logistics: Shipped in heavy-duty, shock-proof export crates via DHL, FedEx, or UPS. We guarantee delivery to most global locations within 3 to 7 business days.
4. Critical Installation & Maintenance Protocol
Case Priming (Crucial): Before operating the machine, the motor case must be filled with clean hydraulic oil through the uppermost drain port. Running the motor without oil in the case will cause immediate catastrophic failure of the piston shoes and swash plate.
Swing Drive Lubrication: While installing the motor, inspect the grease level and oil quality in the swing reduction gearbox. Ensure the pinion gear is properly lubricated.
Air Bleeding: After installation, perform several low-speed swing cycles in both directions to bleed trapped air from the system, ensuring the brake release functions smoothly.
Contamination Check: If the previous motor failed due to metal debris, the hydraulic tank and swing circuit lines must be thoroughly flushed to prevent damaging the new OEM unit.
5. Ordering & Professional Support
VIN/Serial Number Verification: To ensure 100% fitment, please provide your JCB 17-digit Serial Number (e.g., beginning with 007, 008, or 128) when inquiring.
Instant Quote: Contact us today for current pricing, availability, and detailed shipping dimensions.
Technical Guidance: Our expert team is available 24/7 to provide professional advice on installation, hydraulic pressure testing, and troubleshooting.