2V4374 Slip Joint Group Fits Caterpillar CAT 980C 980F Wheel Loader 825 826C Compactor
2V4374
2V4374 Caterpillar 2V-4374 Drive Shaft Caterpillar 980C drive shaft CTP 2V4374 / 2V4374 Aftermarket
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Here is the complete breakdown of the function, structure, and application for the product shown in the image (2V-4374 / 2V4374 Slip Joint Group).
⚙️ Function
The primary function of this heavy-duty component is to transmit rotational mechanical power (torque) between misaligned and moving parts in a heavy machinery drivetrain while continuously adjusting for changes in distance and angle.
High-Torque Power Transmission: It transfers driving force smoothly from the engine or main transmission box to the heavy differential gear assemblies on the axles.
Axial Length Compensation (Telescoping): As a"Slip Joint,"the shaft can slide in and out. This constantly absorbs the shifts in distance between components caused by frame articulation, steering, and heavy load changes.
Angular Deflection Management: The high-strength universal joints (U-joints) allow the shaft to rotate smoothly even when the driving shaft and driven shaft operate at variable, severe angles.
High-Torque Power Transmission: It transfers driving force smoothly from the engine or main transmission box to the heavy differential gear assemblies on the axles.
Axial Length Compensation (Telescoping): As a"Slip Joint,"the shaft can slide in and out. This constantly absorbs the shifts in distance between components caused by frame articulation, steering, and heavy load changes.
Angular Deflection Management: The high-strength universal joints (U-joints) allow the shaft to rotate smoothly even when the driving shaft and driven shaft operate at variable, severe angles.
🏗️ Structure
Compared to standard driveshafts, this component features a much more robust, reinforced, and thick-walled design engineered to survive massive mechanical strain:
Heavy-Duty Slip Yoke & Splined Shaft: The telescoping center mechanism consists of precision-machined internal and external matching splines. A high-grade inner piston slides smoothly inside the main yellow-coated outer tube.
Over-Sized Universal Joint Gimbals (U-Joints): Located at both pivot points. These feature thick, heavy cross-journals (spiders) with specialized bearing caps designed to withstand extreme crushing forces.
Dual-Bolt Cap Flanges: The connection ends feature heavy forged metal caps and mounting holes, allowing the entire unit to be bolted rigidly into the machine's companion flanges.
Internal Lubrication & High-Durability Seals: Features built-in grease nipples (zerk fittings) for lubricating the needle bearings and spline shafts, backed by durable internal seals to lock grease in and block harsh external dirt out.
Heavy-Duty Slip Yoke & Splined Shaft: The telescoping center mechanism consists of precision-machined internal and external matching splines. A high-grade inner piston slides smoothly inside the main yellow-coated outer tube.
Over-Sized Universal Joint Gimbals (U-Joints): Located at both pivot points. These feature thick, heavy cross-journals (spiders) with specialized bearing caps designed to withstand extreme crushing forces.
Dual-Bolt Cap Flanges: The connection ends feature heavy forged metal caps and mounting holes, allowing the entire unit to be bolted rigidly into the machine's companion flanges.
Internal Lubrication & High-Durability Seals: Features built-in grease nipples (zerk fittings) for lubricating the needle bearings and spline shafts, backed by durable internal seals to lock grease in and block harsh external dirt out.
🚜 Application
This specific part number (2V4374 / 2V-4374) is built exclusively for large-scale Caterpillar (CAT) Earthmoving and Construction Equipment.
Primary Machinery Fitment: It is a vital drivetrain replacement part engineered mainly for heavy-class Caterpillar 980C and 980F Wheel Loaders, as well as CAT 825, 825C, 826C Soil Compactors, and 824C Wheel Tractors.
Driveline Location: It serves as a central drive shaft link, typically installed directly beneath the center articulation hitch to link the front and rear frame chassis systems.
Operating Environment: It is applied in highly abusive, maximum-stress industrial environments like large open-pit mining, deep quarries, heavy forestry, and major civil infrastructure projects.
Primary Machinery Fitment: It is a vital drivetrain replacement part engineered mainly for heavy-class Caterpillar 980C and 980F Wheel Loaders, as well as CAT 825, 825C, 826C Soil Compactors, and 824C Wheel Tractors.
Driveline Location: It serves as a central drive shaft link, typically installed directly beneath the center articulation hitch to link the front and rear frame chassis systems.
Operating Environment: It is applied in highly abusive, maximum-stress industrial environments like large open-pit mining, deep quarries, heavy forestry, and major civil infrastructure projects.

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Sasha | WhatsApp: +86 18368576202
Sasha | WhatsApp: +86 18368576202


