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Excavator Hydraulic Pump 326D2 336D2 Repair

Excavator pumps
January 07, 2026
Category Connection: Excavator Pumps
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Tags:
#Excavator Main Pump #Excavator Hydraulic Main Pump #Hydraulic Excavator Pumps
Brief: Want to know how to effectively repair the hydraulic system on your 326D2 or 336D2 excavator? This video provides a detailed walkthrough of the 3228733, 422-1294, and 4221296 piston pump, demonstrating its role as the main fluid power component for heavy equipment system restoration.
Related Product Features:
  • Designed as the main hydraulic pump for Caterpillar 326D2 and 336D2 excavator models.
  • Compatible with multiple machine serial numbers including GJA1-UP, MBP1-UP, JEE1-UP, and others.
  • Functions as a heavy-duty piston pump for reliable fluid power transmission in excavator hydraulic systems.
  • Serves as a direct replacement part for system repair, ensuring operational continuity.
  • Manufactured to meet OEM specifications for performance and durability.
  • Part numbers include 3228733, 422-1294, and 4221296 for precise identification and ordering.
  • Integral component for maintaining the hydraulic system's efficiency and power.
  • Suitable for use in various heavy equipment applications requiring robust fluid power solutions.
FAQs:
  • Which excavator models is this hydraulic pump compatible with?
    This hydraulic main pump is specifically designed for Caterpillar 326D2 and 336D2 excavators, compatible with serial numbers including GJA1-UP, MBP1-UP, JEE1-UP, JED1-UP, HBK1-UP, HBH1-UP, FAJ1-UP, LAH1-UP, FBT1-UP, and EF31-UP.
  • What are the part numbers for this excavator hydraulic pump?
    The part numbers for this hydraulic main pump are 3228733, 422-1294, and 4221296. These numbers help ensure you receive the correct piston pump for your 326D2 or 336D2 excavator system repair.
  • What type of pump is used in the 336D2 excavator hydraulic system?
    The 336D2 excavator hydraulic system utilizes a heavy-duty piston pump, specifically the K5v160 model, which serves as the main fluid power pump for efficient and reliable operation in demanding conditions.
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