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  • Excavator KX121-2 Final Drive Kubota KX121-2 Travel Motor
  • Excavator KX121-2 Final Drive Kubota KX121-2 Travel Motor
  • Excavator KX121-2 Final Drive Kubota KX121-2 Travel Motor
  • Excavator KX121-2 Final Drive Kubota KX121-2 Travel Motor
  • Excavator KX121-2 Final Drive Kubota KX121-2 Travel Motor
Excavator KX121-2 Final Drive Kubota KX121-2 Travel Motor
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Excavator KX121-2 Final Drive Kubota KX121-2 Travel Motor

  • >= 1 Sets
    $1,230

Customization:

Customized logo（Min.Order: 30 pieces）
Customized packaging（Min.Order: 30 pieces）
Graphic customization（Min.Order: 30 pieces）
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Excavator KX121-2 Final Drive Kubota KX121-2 Travel Motor

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Power Transmission: Transfers high torque for excavator mobility, enabling precise track movement and heavy-duty operations.
  • Durability & Efficiency: Built with cast iron and steel bearings to withstand extreme pressures, ensuring long-term reliability in demanding environments.

Key features

  • 1. Robust Material Technology for Extreme Durability

    • With a cast iron body and steel alloy bearings, ensure unmatched durability and high-pressure resistance in heavy-duty construction applications. Outperforms non-genuine alternatives with materials prone to wear under prolonged stress.*

  • 2. Sealed Design for Zero-Leak Performance

    • Equipped with high-quality synthetic seals, maintain airtight integrity even in harsh environments, reducing downtime and fluid leakage compared to standard hydraulic motors. Ideal for dusty or wet construction sites.*

  • 3. Optimized Efficiency for Continuous Operation

    • Engineered with precision tolerances and low-friction bearings, deliver consistent power output and energy efficiency, outperforming generic motors by up to 15% in energy consumption during prolonged use.*

  • 4. Genuine OEM Compatibility for Seamless Integration

    • Designed as an exact fit for Kubota KX121-2 excavators, ensuring flawless integration with existing systems, unlike aftermarket parts that may require costly adjustments.*

  • 5. Certified for Industrial Rigor

    • Manufactured to Kubota’s OEM standards, meeting stringent safety and durability certifications required for heavy machinery, unlike uncertified alternatives lacking such validation.*

Product details

Excavator KX121-2 Final Drive Kubota KX121-2 Travel Motor

The Excavator KX121-2 Final Drive is a high-performance hydraulic motor designed for Kubota excavators, engineered to deliver robust performance in heavy-duty construction and industrial applications. Crafted from durable materials like cast iron and steel alloys, this genuine final drive ensures seamless integration, reliable operation under high pressure, and extended service life.

Technical specifications

FeatureSpecificationBenefit
MaterialCast iron body, steel alloy bearingsWithstands extreme pressures and temperatures
Sealing SystemSynthetic rubber sealsZero leakage, maintains fluid integrity
DesignFlange-mounted, multi-port connectorsEasy installation and system compatibility
EfficiencyOptimized internal tolerancesReduces friction, improves energy efficiency
CertificationKubota genuine part standardGuaranteed compatibility and durability

Customization guide

Adjust port configurations or material thickness to meet specific system requirements. For example, thicker seals can enhance resistance to abrasive environments, while reinforced bearings improve load capacity for heavy machinery.

Get inspired

With its high-pressure resistance and robust construction, the KX121-2 Final Drive is ideal for excavators operating in demanding terrains. Its sealed design ensures reliability even in harsh conditions, while customizable connectors allow seamless integration into existing systems.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Pressure Rating300 bar+20% (360 bar)*+40% (420 bar)**
EfficiencyStandard15% lower friction25% quieter operation
Seal DurabilityStandard rubberHeat-resistant sealsChemical-resistant PTFE
Service Life5,000 hours7,500 hours10,000 hours

Supplier's note

  1. Technical Breakthroughs:

    • Cast Iron Body: Withstands pressures 20% higher than traditional aluminum bodies.
    • PTFE Seals (Pro Model): Triple the chemical resistance of standard rubber seals, enabling safe use in corrosive environments.
    • Precision Bearings: Reduce energy loss by 18% compared to industry averages, enhancing overall system efficiency.

  2. Optimal Version Selection:

    • Base Model: Ideal for standard excavator operations (e.g., light to moderate earthmoving).
    • Advanced Model: Suited for mid-tier applications requiring extended service life (e.g., agricultural machinery).
    • Pro Model: Designed for heavy-duty construction and industrial use, where extreme pressures and corrosive fluids are common. With its 420 bar rating and PTFE seals, the Pro Model ensures uninterrupted performance in harsh conditions.

Frequently asked questions

  • Which final drive is best suited for Kubota KX121-2 excavators in heavy-duty construction sites?

  • How do I maintain the seals of the Kubota KX121-2 Travel Motor for longevity?

  • Cast Iron vs Aluminum: Why is cast iron used for the KX121-2 Final Drive body?

  • Can the Kubota KX121-2 Final Drive be customized for non-standard excavator setups?

  • Is the KX121-2 Final Drive certified for industrial safety standards?

  • What makes the KX121-2 Travel Motor efficient in muddy or dusty construction sites?

  • Does the Kubota KX121-2 Final Drive come with a warranty?

  • How does the KX121-2 Final Drive compare to aftermarket travel motors?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Load CapacityHeavy excavation, earthmovingIndustry: 10 tons (ISO 3095 compliant); Base: 12 tons (▲1); Advanced: 15 tons (▲▲, exceeds industry by 50%)Supports heavier payloadsIncreased weight may reduce mobility
Durability (Service Life)Continuous mining/constructionIndustry: 2000h (ASTM D4170); Base: 3000h (▲1); Advanced: 5000h (▲▲, doubles industry standard)Reduced downtimeHigher upfront cost
Noise LevelUrban construction near residencesIndustry: 85 dBA (ISO 3744, comparable to lawnmower); Base: 80 dBA (▲1); Advanced: 75 dBA (▲▲, quieter than refrigerator hum)Minimizes noise complaintsPotentially heavier design
Sealing EfficiencyHarsh dust/water environmentsIndustry: 0.5% leakage (IP67); Base: 0.3% (IP68, ▲1); Advanced: 0.1% (IP69K, ▲▲)Prevents fluid lossComplex maintenance
CompatibilityOEM Kubota replacementsIndustry: Generic (ISO 9001); Base: Kubota-specific (▲1); Advanced: Fully integrated (▲▲, direct OEM fit)Ensures perfect fitBrand-specific limitation
Operational EfficiencyEnergy-sensitive operationsIndustry: 80% (ISO 501); Base: 85% (▲1); Advanced: 90% (▲▲, reduces energy waste by 12.5%)Lowers energy costsRequires precise maintenance

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