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CAT 5649802(564-9802) Hydraulic Piston Pump | Fits 336 349 352 MH3250

CAT 5649802(564-9802) Hydraulic Piston Pump | Fits 336 349 352 MH3250

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✓ Premium CAT Quality Spec  |  ✓ 100% Direct Fit  |  ✓ Fast Global Shipping

High-pressure main axial piston hydraulic pump assembly engineered as a direct OEM-compatible replacement for Caterpillar 5649802 (564-9802 / 564 9802). Precision-manufactured to exact CAT metallurgical and flow displacement standards, this heavy-duty variable displacement piston pump restores full hydraulic power, smooth swashplate control, and peak working efficiency for Caterpillar heavy excavators and material handlers operating in extreme environments.

Product Highlights

  • Part Number: CAT 5649802 / 564-9802
  • Direct Fit OEM Replacement: Mounting flange configuration, drive shaft spline count, regulator valve connections, and hydraulic oil ports strictly match original Caterpillar factory specifications for drop-in installation.
  • Heavy-Duty Piston Design: Features high-strength alloy castings, hardened steel pistons, precision-ground swashplate assemblies, and heat-resistant seals designed to handle continuous high pressures and severe shock loads.
  • Optimal Power & Flow Control: Delivers precise variable flow output and quick load-sensing response to power main boom lifting, arm digging, swing motors, and heavy attachment hydraulics.

Technical Specifications

Parameter Specification
Part Number 5649802 / 564-9802 
Equipment Brand Caterpillar (CAT)
Pump Type Variable Displacement Axial Piston Hydraulic Pump
Application Heavy Excavators & Material Handlers Main Hydraulic System
Warranty 12 Months Warranty

Compatible Models & Equipment

This premium replacement hydraulic axial piston pump is precision-engineered to fit the following Caterpillar heavy machinery platforms:

  • Large Hydraulic Excavators: 336, 340, 345, 349, 352, 355
  • Forestry Excavators & Roadbuilders: 568
  • Material Handlers: MH3050, MH3250, MH3260

Key Applications

  • Main Hydraulic Pump Overhaul: Direct replacement for worn, noisy, or failing factory Caterpillar main piston pumps during major machinery overhauls.
  • System Pressure & Speed Restoration: Eliminates internal hydraulic oil bypass, sluggish cycle times, and overheating, fully restoring heavy bucket breakout force.
  • Preventive Equipment Protection: Prevents metal debris contamination across main control valves and hydraulic cylinders, extending total machine service life.

Why Choose Our CAT Replacement Hydraulic Pumps?

  • ISO Certified Production: Manufactured under ISO 9001 quality standards and 100% factory pressure, dynamic flow, and torque tested prior to dispatch.
  • Cost-Effective Aftermarket Solution: Factory-direct pricing delivering OEM-level displacement, pressure rating, and operational life without expensive OEM dealer markups.
  • Global Express Shipping: Fully stocked for rapid international air shipment to minimize machine downtime on construction and mining sites.
  • Dependable Warranty: Supported by a full 12-month quality warranty with dedicated technical support from heavy equipment hydraulic specialists.

Frequently Asked Questions (FAQ)

Q: Is this axial piston pump a direct replacement for CAT part number 5649802?

A: Yes, this variable piston pump assembly is a 100% direct-fit replacement engineered to match original mounting specs, shaft configuration, and oil flow for CAT part 5649802 (564-9802).

Q: Will this pump fit my CAT 336, 349 excavator or MH3250 material handler?

A: Yes, it is fully compatible with CAT 336, 340, 345, 349, 352, 355, 568 excavators as well as MH3050, MH3250, and MH3260 material handlers.

Q: What is covered under the 12-month warranty?

A: Our 12-month warranty covers material defects, housing failure, shaft shear, swashplate damage, and internal pressure loss under standard working conditions.

Q: How fast can this main hydraulic piston pump be delivered?

A: In-stock pumps are typically dispatched within 3–5 business days, with global air express options available for urgent machine-down repairs.


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