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RITO 321707 Pump Support Bracket PC300-7 PC350-7 PC360-7 HPV140 321707 Swash Plate Support Excavator Pump Repair Parts

Experiencing heavy structural vibration, grinding noises, or quick piston shoe failures inside your main hydraulic pump? When a worn cradle support gets pitted or distorted, the swash plate tilts unevenly, leading to rapid component scoring and expensive pump failures. Restore perfect variable stability using the high-precision RITO 321707 pump support bracket.

  • Item NO.:

    321707
  • Order(MOQ):

    1
  • Payment:

    T/T, WESTERN UNION, CHINESE BANK,PAYPAL
  • Product Origin:

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

Repair shop procurement managers cannot risk installing cheap aftermarket supports that flex or crack under immense hydraulic back-pressures. The rugged RITO 321707 cradle bracket provides a flat, rigid sliding zone that keeps your variable rotating components properly aligned. Stock this robust replacement block to ensure reliable and lasting pump rebuild projects.

321707 Support Bracket

 
Product Specifications

Part Number  321707
Part Name Swash Plate Support Excavator Pump Repair Parts Support Bracket
Compatible Brand Tongmyung
Applicable Models PC300-7, PC350-7, PC360-7 Excavators
Application Excavator hydraulic system
Material High‑strength Alloy Steel
Product Color Polished Steel Silver
Working Temperature -35°C to 115°C
Key Function Holding and stabilizing the swash plate cradle during flow displacement changes
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

Rigid Ductile Iron Fabrication

High-tensile cast material resists fatigue, distortion, and micro-cracking under maximum system pressures.

Leak-Free

Precision Profile Grinding

Sliding surfaces are ground to exact roundness metrics to provide ultra-smooth cradle bearing movement.

Direct Fitment

Deep Case Wear Resistance

Specially treated wear areas handle high-frequency swash plate tilting cycles without surface pitting.

Rigorous Testing

 Multi-Tier Quality Options

We provide Original, OEM, and Premium Aftermarket grades, allowing distributors to meet diverse client budgets and performance needs.

 

Excavator Hydraulic Part

FAQ


Q: Fault Diagnosis: What inspection results show that a 321707 cradle support bracket must be completely replaced?
A: Visually inspect the curved sliding face; any deep grooving, uneven wear steps, or micro-cracks around the bolt holes mean the bracket can no longer hold alignment and must be changed out.
 
Q: Installation Standards: What alignment steps are required when placing this support bracket into an HPV140 pump housing?
A: Technicians must clean out the entire housing cavity and use a blueing dye compound to check for even contact across the bearing seats. Torque all base mounting screws to exact factory levels in sequence.
 
Q: Procurement Verification: Does this 321707 bracket work for both the front and rear pump circuits inside the dual housing?
A: Yes, the dimensional parameters are engineered to match both the front and rear variable assembly pockets for this specific series, simplifying inventory tracking for rebuild shops.
 
Q: Extreme Environment Performance: How does this casting support avoid warping under continuous heavy rock breaking cycles?
A: The support undergoes thermal stress-relieving processes during manufacturing, which locks its structural shape and prevents the bracket from flexing under sudden pressure shocks from heavy hammer work.
 
Q:  What quality options are available?

A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.

 

Q:Why Choose RITO?
A:Listed Factory
   Stable&Reliable Quality
   OEM Factory for Chinese Top Excavator Brands
   Supplier to Fortune 500 Companies

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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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