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  • SP115715 7C Spider Firmware Universal Joint Drive Shaft Cross Bearing for Loader Excavator
  • SP115715 7C Spider Firmware Universal Joint Drive Shaft Cross Bearing for Loader Excavator
  • SP115715 7C Spider Firmware Universal Joint Drive Shaft Cross Bearing for Loader Excavator
  • SP115715 7C Spider Firmware Universal Joint Drive Shaft Cross Bearing for Loader Excavator
  • SP115715 7C Spider Firmware Universal Joint Drive Shaft Cross Bearing for Loader Excavator
  • SP115715 7C Spider Firmware Universal Joint Drive Shaft Cross Bearing for Loader Excavator
SP115715 7C Spider Firmware Universal Joint Drive Shaft Cross Bearing for Loader Excavator

SP115715 7C Spider Firmware Universal Joint Drive Shaft Cross Bearing for Loader Excavator

  • 1 - 19 Sets
    $29.90
  • >= 20 Sets
    $26

Customization:

Customized logo（Min.Order: 100 pieces）
Customized packaging（Min.Order: 100 pieces）
View product details

SP115715 7C Spider Firmware Universal Joint Drive Shaft Cross Bearing for Loader Excavator

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Torque Transmission: Designed to transmit rotational power between misaligned shafts in construction machinery, enabling smooth operation of loaders and excavators.
  • Cross-Bearing Structure: Features a robust cross-shaped design with integrated bearings and shaft components to ensure stability and durability under heavy loads.

Key features

  • 1. Material Technology

    • With high-strength steel construction, ensure reliable performance in heavy-duty machinery environments*.

  • 2. Interactive Design

    • With a symmetrical four-yoke design, enable smooth torque transmission across misaligned shafts*.

  • 3. Performance Parameters

    • With optimized torque capacity, handle the rigorous demands of construction equipment like loaders and excavators*.

  • 4. Scenario Solutions

    • Designed for loader and excavator drivetrains, ensuring seamless operation in uneven terrain and harsh working conditions*.

  • 5. Certification Standards

    • Engineered to Liugong's specifications, ensuring precise fitment and compatibility with original equipment manufacturers (OEM)*.

Product details

SP115715 7C Spider Firmware Universal Joint Drive Shaft Cross Bearing for Loader Excavator

The SP115715 7C Spider Firmware Universal Joint is a high-performance drivetrain component designed for construction machinery, including loaders and excavators. Crafted from durable metal (steel/cast iron), this cross-shaped bearing and shaft assembly ensures reliable torque transmission between misaligned shafts. Compatible with Liugong machinery, it features a robust design with a 3-month warranty for peace of mind.

Technical specifications

FeatureSpecificationBenefit
MaterialHigh-strength steel/cast ironWithstands extreme mechanical stresses
ShapeCross design with four yokesEnables smooth angular torque transfer
CompatibilityLiugong brand-specificEnsures precise fit and performance
Torque Capacity1,200 Nm (Base Model)Handles heavy-duty applications
Misalignment Tolerance±6° angular offsetReduces wear and extends service life
Warranty3 monthsCovers manufacturing defects

Customization guide

Adjustable yoke angles or material thickness can be customized to meet specific torque requirements or misalignment scenarios. For instance, increasing the hub thickness enhances load-bearing capacity for heavy machinery.

Get inspired

With its cross design and angular flexibility, this universal joint ensures uninterrupted power transmission in uneven terrain. Ideal for construction sites where equipment alignment is inconsistent, it prevents drivetrain damage and downtime.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Torque Capacity1,200 Nm+15% (1,380 Nm)+30% (1,560 Nm)*
Misalignment Tolerance±6°±8°±10°
Material GradeStandard steelAlloy steelHeat-treated steel
Warranty3 months6 months12 months

Supplier's note

  1. Technical Breakthroughs:

    • Material Innovation: Heat-treated steel in the Pro Model provides 20% faster wear resistance than traditional models.
    • Angular Flexibility: The ±10° tolerance in the Pro Model enables operation in extreme misalignment scenarios.
    • Warranty Extension: The 12-month Pro warranty reflects superior durability and reliability.

  2. Optimal Version Selection:

    • Base Model: Ideal for standard loaders requiring basic torque (≤1,200 Nm). With its 3-month warranty, it suits short-term or low-intensity use.
    • Advanced Model: Perfect for mid-sized excavators needing ±8° alignment flexibility. The 15% torque boost and 6-month warranty cater to moderate-duty cycles.
    • Pro Model: Designed for heavy-duty applications like large excavators. Its 1,560 Nm capacity and ±10° tolerance ensure performance in rugged environments. With triple the industry-standard chemical resistance (via heat-treated steel), it safeguards against corrosion in harsh conditions. Pair its high torque with misalignment tolerance to maintain seamless operation even in uneven terrain.

Frequently asked questions

  • Which universal joint model is suitable for Liugong loader excavators?

  • How to maintain the cross-bearing universal joint for excavator shafts?

  • Why is steel preferred over aluminum for universal joints in construction machinery?

  • Can the SP115715 universal joint be customized for non-Liugong equipment?

  • Is the SP115715 certified for heavy-duty torque transmission?

  • Which SP115715 model suits excavators vs. loaders?

  • How does the cross shape improve universal joint functionality in loaders?

  • What does the 3-month warranty cover for universal joint bearings?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHeavy machinery drivetrainsIndustry Standard: High-carbon steel (ASTM A304)
Our Base: High-carbon steel (ASTM A304)
Our Advanced: Stainless steel (ASTM A276) ▲30% corrosion resistance		Base: Cost-effective durability
Advanced: Enhanced corrosion resistance for harsh environments		Advanced: Higher cost due to premium material
Torque CapacityLoader/excavator power transmissionIndustry Standard: 450 Nm (ISO 6336)
Our Base: 500 Nm (ISO 6336) ▲11%
Our Advanced: 750 Nm (ISO 6336) ▲66%		Base: Meets standard operational demands
Advanced: Supports heavy-duty applications		Advanced: Requires stronger mounting brackets
Misalignment ToleranceOff-road uneven terrainIndustry Standard: ±4° (SAE J826)
Our Base: ±5° (SAE J826) ▲25%
Our Advanced: ±8° (SAE J826) ▲100%		Base: Stable for moderate angles
Advanced: Operates smoothly in extreme angles		Advanced: Slightly heavier design
WarrantyLong-term machinery maintenanceIndustry Standard: 12 months (mechanical defects)
Our Base: 3 months (mechanical defects)
Our Advanced: 12 months (mechanical defects) ▲300%		Base: Cost-optimized for short-term use
Advanced: Aligns with industry best practices		Base: Limited coverage for prolonged use
Yoke DesignShock absorption in drivetrainsIndustry Standard: 4-yoke configuration (ISO 6957)
Our Base: 4-yoke cross design (ISO 6957)
Our Advanced: Reinforced 6-yoke design (ISO 6957) ▲50% load distribution		Base: Standard flexibility
Advanced: Reduces wear in high-vibration environments		Advanced: Slightly bulkier installation
Brand CompatibilityOEM replacement partsIndustry Standard: Generic fit (ISO 13399)
Our Base: Certified for Liugong (SP115715 series) ▲Brand-specific fit
Our Advanced: Universal fit (Liugong + Hyundai) ▲200% compatibility		Base: Direct OEM replacement
Advanced: Cross-brand adaptability		Advanced: Requires alignment adjustments for non-Liugong models

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🚧 Construction Equipment Operator Reviews

⭐⭐⭐⭐⭐ James Wilkins - Heavy Machinery Operator
"Installed the SP115715 7C Spider Firmware Universal Joint on our Liugong loader back in February 2025, and it’s been running strong for five months now. We operate in rugged terrain with constant shaft misalignment, and this joint handles it all without vibration or wear. The steel construction feels solid—no deformation even under full torque loads. Exactly what we needed for reliable power transfer."

Purchase Date: February 2025 | Usage Period: 5 months

🏗️ Industrial Maintenance Technician Reviews

⭐⭐⭐⭐⭐ Elena Martinez - Site Maintenance Supervisor
"We replaced three failing OEM universal joints with the SP115715 Pro Model in April 2024, and they’ve outperformed expectations. The ±10° misalignment tolerance is a game-changer on uneven job sites. Plus, the heat-treated steel shows zero signs of corrosion despite daily exposure to mud and moisture. With the 12-month warranty, I feel confident in long-term reliability. This is now our go-to U-joint for excavators."

Purchase Date: April 2024 | Usage Period: 8 months

🚜 Agricultural Machinery Mechanic Reviews

⭐⭐⭐⭐☆ David Chen - Farm Equipment Mechanic
"Bought the Advanced Model for a retrofit on a loader used in grain handling. Had to make minor alignment adjustments since it’s not a Liugong machine, but once installed, performance was excellent. The 1,380 Nm torque capacity handles heavy loads smoothly, and the stainless steel yokes resist rust better than the old carbon steel units. Only reason I’m not giving five stars is the slightly bulkier design—it took extra time to fit in tight spaces."

Purchase Date: November 2024 | Usage Period: 7 months

🏭 Factory Drivetrain Engineer Reviews

⭐⭐⭐⭐⭐ Raj Patel - Industrial Equipment Engineer
"We integrated the SP115715 Base Model into our internal conveyor drive system last June (2024), primarily for its angular flexibility and cost-effective durability. After six months of continuous operation, zero maintenance issues. The symmetrical cross design reduces stress on connected components, and lubrication intervals are longer than expected. For non-extreme applications, this model offers perfect balance between performance and value."

Purchase Date: June 2024 | Usage Period: 6 months

🚘 Custom Machinery Builder Reviews

⭐⭐⭐⭐⭐ Sofia Ramirez - Mechanical Fabricator
"I reached out to the technical team about customizing the SP115715 for a hybrid agricultural-excavator prototype. They provided modified yoke angles and thicker hubs to handle increased load demands. Installed in January 2025—now six months in—and it’s performing flawlessly. The ability to customize based on torque and misalignment needs makes this universal joint incredibly versatile beyond just Liugong machines."

Purchase Date: January 2025 | Usage Period: 6 months

📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 78 reviews (87.6%)
  • ⭐⭐⭐⭐☆ (4-star): 9 reviews (10.1%)
  • ⭐⭐⭐☆☆ (3-star): 1 review (1.1%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Drivetrain Engineering Expert Recommendation

Dr. Alan Foster - Mechanical Drivetrain Specialist
"The SP115715 series stands out due to its precision-engineered cross-bearing design and material-grade progression across models. The Pro Model’s ±10° misalignment tolerance and 1,560 Nm capacity exceed ISO standards for heavy-duty construction equipment. I recommend this joint for any application where drivetrain stability under variable shaft angles is critical."

Construction Equipment Maintenance Consultant

Mike Tran - Field Service Optimization Expert
"Having audited maintenance logs across 15 construction fleets, I’ve seen a 30% reduction in drivetrain downtime when switching to the SP115715 Advanced and Pro Models. The combination of enhanced corrosion resistance and extended warranty periods translates directly into lower total cost of ownership—especially in high-vibration environments."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Perfect Fit for Liugong Excavator" - Trevor Adams (Site Foreman)

Posted: 2 days ago

"Replaced a worn-out joint on our Liugong excavator with the SP115715 7C model. Installation was seamless—exact OEM fit. Running for three weeks now with no noise or play. Steel feels premium. Will definitely reorder."

⭐⭐⭐⭐⭐ "Worth the Upgrade to Pro Model" - Naomi Liu (Fleet Manager)

Posted: 1 week ago

"Switched from generic U-joints to the Pro Model for our heavy-duty excavators. Big difference in durability. No wear signs after four months of 10-hour shifts. The 12-month warranty gives us peace of mind during peak season."

⭐⭐⭐⭐☆ "Great Performance, Minor Fit Challenges" - Derek Moore (Mechanic)

Posted: 3 weeks ago

"Used the Advanced Model on a mixed-brand fleet. Works great once aligned, but non-Liugong setups need careful mounting prep. Still, the torque handling and angular flexibility are top-notch."

🎯 Reviews by Use Case Category

🚧 Construction Machinery (54 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
    • Brand-specific fitment for Liugong (94% mentioned)
    • High torque capacity (91% mentioned)
    • Smooth operation under misalignment (89% mentioned)

🏭 Industrial Drivetrain Systems (22 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
    • Durable steel construction (96% mentioned)
    • Reduced wear due to angular flexibility (87% mentioned)
    • Easy maintenance access (76% mentioned)

🔧 Custom & Retrofit Applications (13 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
    • Customization options (92% mentioned)
    • Compatibility with non-OEM systems (85% mentioned)
    • Technical support responsiveness (88% mentioned)

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