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CAT 312B Excavator Hydraulic Pump K3V63DT 135-5713 119-5408

CAT 312B Excavator Hydraulic Pump K3V63DT 135-5713 119-5408

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Product Detail

CAT 312B Excavator Hydraulic Pump K3V63DT 135-5713 119-5408

Model: K3V63DT		Part name: hydraulic Pump
Brand: SWAFLY		Place of Origin: China
Condition: Original Genuine & Oem New		Warranty: 12 months
MOQ: 1 pc		Production Capacity: 500pcs /Month
Standard or Nonstandard: Standard		Payment Term: L/C,T/T, Western Union, Tradeassurance
Delivery Time: 1-3 days (depend on order)		Means of Transport: By Sea, Air or DHL/FEDEX/TNT/EMS
Guarantee: We will check the parts and send detail pictures to buyer to confirm before shipping.

Technical Overview: CAT 312B Excavator Hydraulic Pump (K3V63DT | Part Nos. 135-5713, 119-5408)
The CAT 312B Hydraulic Pump (K3V63DT), identified by part numbers 135-5713 and 119-5408, is a high-efficiency, variable-displacement axial piston pump engineered to power the hydraulic systems of the CAT 312B excavator with precision and reliability. Featuring a dual-pump configuration, it delivers synchronized flow to multiple circuits—such as the excavator’s arm, boom, and swing mechanisms—while maintaining optimal pressure and response across diverse workloads.

At its core, the K3V63DT utilizes a swashplate design with electronically controlled displacement adjustment, enabling seamless adaptation to load demands. This dynamic pressure compensation ensures minimal energy waste, even during abrupt changes in operating conditions, while its advanced load-sensing capability prioritizes critical functions for smoother, more intuitive machine control.

Constructed with high-grade, wear-resistant materials—including hardened steel pistons, nickel-plated housings, and corrosion-resistant seals—the pump is built to endure extreme pressures (up to 350 bar) and abrasive contaminants common in construction, mining, and material handling environments. Its compact, modular design integrates a multi-stage filtration system and thermal management channels to mitigate overheating and extend component life.

Key innovations include a noise-dampened helical gear drive for reduced operational vibration and a fail-safe pressure relief valve to prevent system overloads. The pump’s precision-machined components and optimized internal clearances ensure consistent flow rates, translating to faster cycle times and fuel efficiency.

Whether powering through heavy trenching or executing delicate grading tasks, the CAT 312B Hydraulic Pump K3V63DT operates like the heartbeat of the machine—combining brute force with surgical precision to keep productivity pulsing strong, even in the harshest job sites.

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Product Detail

CAT 312B Excavator Hydraulic Pump K3V63DT 135-5713 119-5408

Model: K3V63DT		Part name: hydraulic Pump
Brand: SWAFLY		Place of Origin: China
Condition: Original Genuine & Oem New		Warranty: 12 months
MOQ: 1 pc		Production Capacity: 500pcs /Month
Standard or Nonstandard: Standard		Payment Term: L/C,T/T, Western Union, Tradeassurance
Delivery Time: 1-3 days (depend on order)		Means of Transport: By Sea, Air or DHL/FEDEX/TNT/EMS
Guarantee: We will check the parts and send detail pictures to buyer to confirm before shipping.