SPARKLING R500LC-7 Hydraulic Pump – Durable & Precise Excavator Part

The 31QB-10037 / 31QB-10030 Hydraulic Main Pump Assembly is an essential component for delivering stable hydraulic power to your Hyundai crawler excavators. Built for high-performance, this pump guarantees powerful flow, high efficiency, and exceptional durability even under extreme excavation workloads.

🔧 Key Features:

• Original quality fitment for Hyundai’s large crawler excavators

• Ensures precise pressure regulation and smooth hydraulic operation

• Manufactured with high-grade wear-resistant components

• Rigorously tested for flow rate, pressure endurance, and temperature resilience

   The HIGH-QUALITY Carbon Steel 435-0795 FINAL DRIVE SUN GEAR is a premium power transmission component meticulously engineered for Caterpillar Construction Equipment, specifically tailored to meet the high-torque and durability demands of 308 CR, 307.5, 309 CR, 308E, and 308E2CR excavators. As a core part of the machinery’s final drive system, this sun gear plays a critical role in transferring engine power to the tracks, ensuring smooth torque distribution, stable traction, and reliable movement even in heavy-load construction scenarios. 
   It is designed to seamlessly integrate with Caterpillar’s final drive architecture, delivering consistent performance that enhances machinery productivity and operational longevity.

Key Features
· Custom-engineered for perfect compatibility with Caterpillar 308 CR, 307.5, 309 CR, 308E, 308E2CR excavators
· High-strength carbon steel construction optimized for exceptional torque resistance and wear durability
· Precision-machined tooth profiles for seamless meshing, minimal power loss, and reduced operational noise
· Enhanced structural rigidity to withstand extreme mechanical stress and prevent deformation
· Strict adherence to Caterpillar OEM specifications for seamless integration and consistent power transmission

Compatible Models
· Caterpillar Construction Equipment Excavators: 308 CR, 307.5, 309 CR, 308E, 308E2CR

   SPARKLING MACHINERY NEW C9 CX31-C9I TH31-E61 250-7701 Turbo is a core engine performance component for 3 Caterpillar excavator/equipment models (heavy-duty construction/mining use). It boosts engine air intake pressure to enhance combustion efficiency and power output. 
   The part number 250-7701 (often cross-referenced as 10R-2660 or 178485) is for a Turbocharger Group primarily used in Caterpillar (Cat) heavy equipment powered by the C9 engine.

Excavators: 330D, 336D, 340D, and 320D (engine-specific variants).
Engines: Caterpillar C9 industrial diesel engines (typically manufactured between 2004–2008).

   SPARKLING MACHINERY NEW R360LC7 R360LC7A R370LC7 31NA-10150 Swing Reduction is a core transmission component for 3 Hyundai excavator models (heavy-duty construction/mining use). It reduces engine speed to deliver high torque for smooth, precise upper-structure rotation. 
   Meeting Hyundai OEM standards (31NA-10150), it resists -30°C to 100°C temps, wear, and impact, ensuring seamless compatibility and long-term reliable swing operation performance.