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RITO Excavator Hydraulic Pump Travel Motor Swing Motor Seal AP3222B SEAL Oil Seal Kit for Excavator Parts

Fluid leaks inside heavy travel and swing motors cause catastrophic torque loss, halting vital track movement instantly. When substandard oil seals harden and warp under high rotational friction, field operators face massive hydraulic oil waste, component scoring, and expensive project delays.

  • Item NO.:

    AP3222B
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details
Uninterrupted tracking power is restored by the AP3222B dynamic oil seal, which locks in high hydraulic pressure instantly. Heavy-duty wear surfaces isolate intense rotational friction within main pump and motor shafts, preventing expensive fluid bypass while protecting bulk procurement budgets for regional distributors.

AP3222B SEAL

 
Product Specifications

Part Number  AP3222B
Part Name Excavator Hydraulic Motor Shaft Oil Seal
Compatible Brand Rexroth
Applicable Models Excavator 
Application 320D 320DL 330D
Material Premium Fluororubber NBR FKM and Steel Case
Product Color Dark Brown
Working Temperature -35°C to 150°C
Key Function Rotational Fluid Retaining and High Pressure Shaft Sealing
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

High-Pressure Rotary Sealing

Advanced dynamic lips prevent fluid bypass under intense pressure spikes from travel and swing motor groups.

Leak-Free

Extreme Heat Dissipation

Heavy-duty compound formula resists thermal hardening during continuous high-speed rotational operations.

Direct Fitment

Optimized Shaft Protection

Low-friction contact surface prevents expensive drive shaft grooving while maintaining maximum sealing efficiency.

Rigorous Testing

OEM-Grade Compound Quality

Elite material structural density withstands aggressive synthetic hydraulic oils to extend service intervals.
 

 

Excavator Hydraulic Part

FAQ


Q: What specific failure symptoms indicate this hydraulic motor oil seal needs immediate replacement?
A: Visible hydraulic oil weeping from the motor drive shaft housing, drop in travel tracking power, and rapid oil level depletion signal outer lip failure. Replacing the seal immediately prevents internal dirt ingestion and catastrophic bearing seizure.
 
Q: What are the critical shaft preparation and installation technical requirements for this oil seal?
A: Technicians must verify the motor shaft is free of microscopic burrs and wear grooves before placement. Use a professional installation sleeve to press the seal evenly, coating the dynamic sealing lips with clean hydraulic oil to avoid initial dry-start friction.
 
Q: How can procurement managers confirm exact equipment, pump, and motor adaptation?
A: Cross-reference your hydraulic pump or travel motor data plate dimensions with the standard AP3222B specifications. Send your original seal measurements or specific heavy excavator model series to our sales team to ensure absolute dimensional accuracy before batch ordering.
 
Q: How does this specialized oil seal ring perform under extreme environment conditions?
A: The rugged elastomeric compound retains superior structural elasticity across temperatures ranging from -35°C to 150°C. It prevents environmental dust ingress and resists chemical degradation during heavy rock breaking operations in demanding mine locations.
 

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 Companie
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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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