W50 And W50DC W35 Asphalt Milling Machines Gearbox 2544944 Part 2544545
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W50 And W50DC W35 Asphalt Milling Machines Gearbox 2544944 Part 2544545

OEM alternative gearbox part 2544944 and 2544545 compatible with Wirtgen W35, W50, W50DC asphalt milling machines. Precision manufactured for heavy load milling work, stable power transmission, long service life and easy direct replacement. Ideal spare component for road construction & pavement repair equipment.
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Product Introduction

Wuhan Xinlaifu Hydraulic Equipment Co., Ltd. is one of the leading manufacturers and suppliers of w50 and w50dc w35 asphalt milling machines gearbox 2544944 part 2544545 in China. With abundant experience, we warmly welcome you to buy high quality customized products at competitive price from our factory. Also, OEM&ODM service is available.

 

W50 and W50DC W35 Asphalt Milling Machines Gearbox 2544944 Part 2544545

 

I.

Product Positioning

 

In the hydraulic drive system of asphalt cold milling machines, the gearbox acts as a core power conversion and transmission component, whose internal precision structure directly determines the overall working performance of the milling drum. This Wirtgen gearbox with part numbers 2544944 and 2544545 is professionally customized for W35, W50 and W50DC small asphalt milling machines, fully meeting the high-torque working requirements of pavement milling, stripping and renovation operations. The precision gear assembly inside the gearbox realizes efficient power conversion and stable torque output, allowing the milling machine to maintain continuous and reliable operation under heavy-load, high-dust construction environments, which strongly supports stable working efficiency of road maintenance equipment. Besides, the tight fit between the gearbox and the original milling machine drive unit optimizes the overall hydraulic transmission response, making the milling drum's rotation control smoother and more sensitive.

 

II.

Model and Compatibility Instructions

 

Gearbox 2544944 & 2544545 is a dedicated replacement transmission component matching Wirtgen W35, W50 and W50DC asphalt milling machines. The two OEM part numbers ensure full dimensional interchangeability with the original gearbox assembly of the three milling machine models. Adopting high-precision CNC machining and integral heat treatment technology, this gearbox achieves high consistency with the original installation structure and internal transmission assembly of the Wirtgen milling machine. All size, gear ratio and sealing parameters are precisely calibrated to perfectly fit the power output characteristics of the original equipment. After quick on-site installation without extra modification, it can be seamlessly integrated into the whole hydraulic drive system of the milling machine to restore full equipment working performance.

 

III.

Performance Highlights

 

Excellent compatibility:

 

This milling machine gearbox is custom-made for Wirtgen W35, W50 and W50DC asphalt milling machines, featuring perfect matching with the original mounting interface and power transmission parameters of the three models. It can work normally right after installation without extra modification, effectively eliminating power attenuation and mechanical jamming triggered by mismatched parts. Its precise dimensional adaptability guarantees steady torque output of the milling drum under diverse pavement construction scenarios and improves the overall working efficiency of road maintenance equipment.

 

Reliable structural performance:

 

This gearbox adopts high-strength alloy steel with wear-resistant heat treatment, delivering outstanding pressure resistance and friction resistance. It can endure long-duration heavy-load torque transmission and harsh dusty working environments during asphalt milling. The sturdy integrated structure greatly prolongs the service life of the gearbox itself, stabilizes the whole drive system of the milling machine, and effectively cuts down on-site maintenance times and downtime costs.

 

Efficient power transmission:

 

As the core drive component of Wirtgen W35, W50 and W50DC asphalt milling machines, this gearbox converts hydraulic power into stable mechanical torque through precision-machined gear sets, delivering stronger cutting power to the milling drum. Its smooth internal gear meshing greatly reduces energy loss during power transfer. Under the same fuel consumption, the milling machine can finish more pavement milling work, effectively improving the fuel economy and construction efficiency of road maintenance equipment.

 

Strong operational stability:

 

This gearbox can perfectly coordinate with the original hydraulic drive system of Wirtgen milling machines, maintaining steady, fluctuation-free torque output under complex working conditions including frequent start-stop, uneven pavement and sudden load changes. Equipped with this high-quality gearbox, the milling machine generates remarkably less vibration and running noise during operation, offering a more comfortable working environment for construction operators.

Choose Wirtgen Milling Machine Gearbox 2544944 & 2544545 to provide reliable core drive component support for your W35, W50 or W50DC asphalt milling machine, enabling the road equipment to sustain high efficiency and stable performance in all pavement renovation projects.

 

 

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Parameter Item Technical Data
OEM Part Number 2544944 (Main Gearbox), 2544545 (Matching Auxiliary Assembly)
Applicable Machine Models Wirtgen W35, W50, W50DC Small Asphalt Cold Milling Machines
Product Type Milling Drum Planetary Gear Reducer (Drive Gearbox for Milling Rotor)
Drive Form 2-Stage Planetary Gear Transmission
Rated Input Torque 1280 N·m
Max Peak Torque (Overload) 2150 N·m
Total Reduction Ratio 14.3:1
Rated Input Speed 2200 rpm
Max Allowable Input Speed 2600 rpm
Output Shaft Diameter 58 mm
Input Connection Standard SAE Hydraulic Motor Flange Mounting
Overall External Dimension (L×W×H) 415 mm × 330 mm × 275 mm
Net Weight of Gearbox 76 kg
Core Gear Material 40CrNiMo Alloy Steel, Overall Carburizing Quenching Heat Treatment
Shell Material Cast High-strength Ductile Iron QT700
Sealing Structure Double Lip Oil Seal + Dust-proof Labyrinth Seal
Recommended Lubricant Wirtgen Original Gear Oil SAE 80W-90
Working Ambient Temperature Range -25 ℃ ~ +65 ℃
Continuous Heavy-duty Working Time ≥ 12 Hours Non-stop Operation
Interchangeability 100% Interchangeable with Original Factory Gearbox Assembly
Application Scenario Road Asphalt Milling, Surface Stripping, Pavement Renovation Construction

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