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RITO K3V112 Pump Coupling Assembly K3V112DT K3V140 Hydraulic Pump Drive Coupling Kit Excavator Engine Driving Component

Experiencing intense flywheel clattering, abnormal input shaft vibration, or a total breakdown of engine power transfer to your main hydraulic cylinders? Soft, cracked rubber damping blocks stretch out of specification under constant heavy digging loads, dropping drive efficiency and inviting severe crankshaft harmonic damage. Restore tight, slip-free rotational synchronization across your engine bay by dropping in the heavy-duty RITO K3V112 pump coupling kit today.

  • Item NO.:

    K3V112 Coupling
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

Procurement directors and heavy utility fleet operators cannot allow minor rubber engine components to stall high-priority mining schedules. Our rugged RITO K3V112 drive coupling utilizes high-density, oil-resistant elastomeric cushions bonded to precision-milled splined hubs to withstand extreme torque reversals. Stock this essential structural connection group to guarantee smooth, low-wear engine fly-wheel overhauls across your fleet.

K3V112 Coupling

 
Product Specifications

Part Number  K3V112 Coupling Set
Part Name Hydraulic Pump Drive Coupling Kit
Compatible Brand Kawasaki
Applicable Models Medium Crawler Excavators using K3V112DT or K3V140 Piston Pumps
Application Excavator hydraulic system
Material High Tensile Nodular Cast Iron and Hardened Alloy Steel
Product Color Industrial Black Core with Polished Steel Hub Face
Working Temperature -30°C to 110°C
Key Function Connecting the engine flywheel to the main pump shaft to transfer mechanical driving torque cleanly
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

High-Density Elastomeric Torsion Blocks

Premium composite material absorbs destructive mechanical engine vibrations to safeguard internal pump bearings.

Leak-Free

Precision Involute Spline Broaching

Machined to micro-metric tolerances for an immediate, tight lock over your main piston pump drive shaft.

Direct Fitment

Thermal-Resilient Hub Cast Iron

Reinforced metallic core resists cracking and distortion during continuous high-temperature engine box operations.

Rigorous Testing

Global Supply Tiering

We offer Original, OEM, and high-performance Aftermarket options to provide flexible procurement strategies for diverse regional markets.

 

Excavator Hydraulic Part

FAQ


Q: What initial operational feedbacks indicate that the internal rubber damping elements of this K3V112 pump coupling have degraded?
A: Operators will note a distinct rattling noise from the flywheel bell housing when idling, severe low-frequency cabin vibrations under load, and black rubber dust gathering near the inspection slots.
 
Q: What strict alignment standards must a heavy machinery workshop field mechanic check when bolting down this drive coupling kit?
A: Technicians must use a dial indicator to check the parallel and angular alignment of the engine flywheel deck relative to the pump input hub to prevent premature spline side-wear.
 
Q: Does this comprehensive K3V112 coupling assembly arrive ready with all required flywheel mounting screws and locking washers?
A: This listing supplies the complete matched hub core and its high-fatigue damping blocks, allowing parts managers to easily reuse factory hardware or source separate high-tensile fasteners.
 
Q: How does this engine drive coupling avoid structural material tearing when running heavy hydraulic demolition attachments?
A: The elastomeric element is formulated using specialized synthetic polymers subjected to high-vibration stress-relieving compound engineering, allowing it to compress and damp continuous pressure feedback strokes safely.
 
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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