All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
Alibaba
Industrial Machinery
Machinery Accessories
Shafts
  • Dragline Excavator Custom Main Drive Pinion Shaft Large Module Forged Transmission Parts Bull Gear Spur Large Gear Shaft
  • Dragline Excavator Custom Main Drive Pinion Shaft Large Module Forged Transmission Parts Bull Gear Spur Large Gear Shaft
  • Dragline Excavator Custom Main Drive Pinion Shaft Large Module Forged Transmission Parts Bull Gear Spur Large Gear Shaft
  • Dragline Excavator Custom Main Drive Pinion Shaft Large Module Forged Transmission Parts Bull Gear Spur Large Gear Shaft
  • Dragline Excavator Custom Main Drive Pinion Shaft Large Module Forged Transmission Parts Bull Gear Spur Large Gear Shaft
  • Dragline Excavator Custom Main Drive Pinion Shaft Large Module Forged Transmission Parts Bull Gear Spur Large Gear Shaft
Dragline Excavator Custom Main Drive Pinion Shaft Large Module Forged Transmission Parts Bull Gear Spur Large Gear Shaft

Dragline Excavator Custom Main Drive Pinion Shaft Large Module Forged Transmission Parts Bull Gear Spur Large Gear Shaft

  • 2 - 5 Pieces
    $950
  • >= 6 Pieces
    $900

Customization:

Customized logo（Min.Order: 1 pieces）
Customized packaging（Min.Order: 1 pieces）
Graphic customization（Min.Order: 1 pieces）
Technical Service（Min.Order: 1 pieces）
View product details

Dragline Excavator Custom Main Drive Pinion Shaft Large Module Forged Transmission Parts Bull Gear Spur Large Gear Shaft

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Torque Power Transmission: Designed as a forged gear shaft with a helical gear, enabling efficient and smooth torque transfer in heavy machinery like dragline excavators.
  • Customized Drive Solution: Tailored for main drive systems in large-scale equipment, ensuring precise motion control and load-bearing capacity.

Key features

  • 1. Forged Steel Construction for Enhanced Strength and Durability

    • With a high-strength forged steel material, this gear shaft ensures exceptional resistance to wear, deformation, and fatigue, even under extreme mechanical stress. This makes it ideal for heavy-duty applications like dragline excavators.

  • 2. Helical Gear Design for Smooth, Quiet Operation

    • The helical gear configuration reduces noise and vibration compared to traditional spur gears, enabling smoother torque transmission and prolonged component lifespan. This is critical for machinery requiring precision and reliability.

  • 3. Large Module Design for High Load Capacity

    • The large module gear structure allows this shaft to handle significantly higher torque and mechanical loads, making it suitable for demanding industrial applications such as heavy excavation and construction.

  • 4. Customizable for Tailored Performance

    • With adjustable gear teeth count, pitch, and shaft dimensions, this shaft can be customized to meet specific torque, speed, and compatibility requirements of dragline excavators or other heavy machinery.

  • 5. Industrial-Grade Reliability and Safety

    • The forged construction and precision-engineered helical design meet rigorous industrial standards for durability and safety, ensuring continuous operation in harsh environments like mining and construction sites.

Product details

Dragline Excavator Custom Main Drive Pinion Shaft Large Module Forged Transmission Parts Bull Gear Spur Large Gear Shaft

The Dragline Excavator Custom Main Drive Pinion Shaft is a high-performance forged transmission component designed for heavy-duty applications. Crafted from high-strength alloy steel, this spur gear shaft delivers exceptional durability and precision, ensuring reliable torque transmission in demanding environments like mining, construction, and industrial machinery.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialHigh-strength forged alloy steelHeavy machinery, construction equipment
Gear DesignSpur gear with precision-machined teethHigh-torque transmission in excavators
ManufacturingPrecision forgingEnsuring structural integrity
Mounting FeaturesKeyway and threaded boreSecure attachment to drive systems

Customization guide

Adjustable parameters include tooth count, shaft diameter, and length to meet specific torque requirements or system compatibility. The gear pitch and keyway dimensions can also be tailored for optimized performance in unique applications.

Get inspired

Engineered for the most demanding applications, our custom main drive pinion shaft ensures reliable power transmission in heavy machinery. With its robust construction and precision engineering, it’s the backbone of excavators and construction equipment.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Torque Capacity (Nm)15,000+15% (17,250)+30% (19,500)*
Rotational Speed (RPM)500Enhanced (575)Premium (650)
Load Rating (kN)800Improved (920)Premium (1,040)

Supplier's note

  1. Three Technical Breakthroughs:

    • High-strength forged alloy steel: Exceeds industry standards for fatigue resistance, enabling prolonged use in corrosive or high-vibration environments.
    • Precision forging: Eliminates material weaknesses, ensuring structural integrity under extreme loads.
    • Spur gear design: Direct tooth engagement minimizes energy loss, delivering efficient torque transmission.

  2. Version Selection Guide:

    • Pro Model: Ideal for heavy-duty mining or industrial applications requiring 30% higher torque capacity than industry benchmarks. Its premium load rating (1,040 kN) ensures stability in extreme conditions.
    • Advanced Model: Suitable for medium-scale construction machinery where 15% enhanced rotational speed (575 RPM) balances performance and cost efficiency.
    • Base Model: Best for standard excavators or applications prioritizing reliability without needing premium specifications.

With high-strength forged alloy steel, you can ensure durability in harsh environments. The Pro version’s 19,500 Nm torque capacity outperforms industry standards by 30%, enabling safe handling of massive excavator loads. Pair this with its threaded bore design for seamless integration into existing systems.

Frequently asked questions

  • Which model of forged gear shaft suits dragline excavators for heavy-duty applications?

  • How to maintain a large module main drive pinion shaft to ensure longevity?

  • Forged steel vs. cast steel for excavator gear shafts: Which is better for heavy loads?

  • Can I customize the dimensions of the main drive pinion shaft for specific torque requirements?

  • Are excavator bull gears and spur gears in this shaft ISO-certified for industrial use?

  • Why choose helical gear shafts over spur gears for heavy machinery like dragline excavators?

  • How does the forging process enhance the durability of gear shafts in extreme conditions?

  • How do I ensure compatibility when replacing an excavator’s main drive shaft?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material and FinishHeavy machinery, construction equipmentHigh-strength forged steel (ASTM A458/A536), surface finish: Ra ≤ 1.6 μm (ISO 4287)▲ 40% stronger than cast alternatives; reduced friction for efficiency.Higher material and production costs compared to cast parts.
Gear DesignIndustrial machinery, roboticsHelical gear (20° helix angle, ISO 915), 24 teeth, module 8 (ISO 217)▲ 30% quieter (43 dBA vs. 60 dBA spur gears); smoother operation.Requires thrust bearings; higher manufacturing cost.
Manufacturing ProcessCritical applications (e.g., excavators)Closed-die forging (ASTM A748), grain flow aligned with stress (ISO 5179)▲ 40% higher fatigue resistance vs. cast parts; optimal stress distribution.Longer lead times; specialized tooling required.
Load CapacityDragline excavators, mining equipmentTorque rating: 120,000 Nm (ISO 6336), 500 MPa yield strength (ASTM A370)▲ Handles 50% heavier loads than industry standard shafts; reliable under stress.Larger size/weight may limit installation flexibility.
Noise LevelUrban construction, regulated factories43 dBA (ISO 1996-2) ▲, 30% quieter than spur gears (60 dBA)Reduced noise pollution; improves workplace safety.Requires precise alignment to maintain efficiency.
Customization OptionsCustom machinery buildsCustom pitch diameter (±0.02 mm tolerance), keyway dimensions (ISO 1822)▲ Tailored torque/speed specs; reduces downtime.Higher cost for bespoke designs; extended production timelines.

Related searches

luxury marble bathtub luxury marble tableflexible lat pulldown machine low rowhot selling electric road sweeper carbath bomb oem private label customled advertising backpack full-color display backpackturtle doll turtle plush toy wholesalesemi-automatic valve bag packing machine withelectrolyte and protein powder electrolyte powdertraceless panties for all-day comfort breathablefunctional sofa chair electric leather recliningoriginal luxury women secret scent perfumethree-way catalyst converter auto parts enginemens sweaters men sweater sweater forvertical digital advertising led poster movablece emg machine for neurological diagnosis

The Product Description is generated by third-party, and Alibaba.com is not liable for any risks related to inaccuracies or the infringement of third-party rights.

The information in this Product Description may differ from the details on the product listing page on Alibaba.com. Additionally, the contents may not be updated in real-time with the product listing page on Alibaba.com, and there may be delays in reflecting the most updated information. The description on product listing page takes precedence. You shall not rely on this Product Description in making transaction decisions.

The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.