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Heavy-duty synchronizer cones made from
20CrMnTi steel are critical components in manual transmission systems for commercial and off-road vehicles. This specific alloy is widely used in the automotive industry due to its superior mechanical properties and durability, which are enhanced through a process called carburization. Key Characteristics and Function
- Function: The primary function of the synchronizer cone is to match the rotational speeds of the gear and the shaft before they engage. This friction process ensures smooth, grind-free gear shifts, reduces wear on transmission components, and enhances overall transmission efficiency.
- Material Properties: 20CrMnTi is a low-alloy carburizing steel known for its:
- High Strength and Durability: It is engineered to withstand high torque, extreme mechanical stress, and demanding operational conditions common in heavy-duty applications like mining or construction vehicles.
- Wear Resistance: The material is extremely hard after heat treatment, providing excellent resistance to the constant friction experienced during gear changes.
- Fatigue Resistance: It offers significantly higher fatigue resistance compared to standard materials, prolonging the lifespan of the gearbox.
- Corrosion Resistance: The material's composition helps resist corrosion, which is a major factor in off-road or high-temperature environments.
Applications
These heavy-duty components are commonly found in the transmission systems of large commercial vehicles and equipment:
- Trucks: Widely used in transmissions for HOWO, DAF, Mercedes-Benz, and Eaton systems.
- Buses: Utilized in buses such as Yutong and Kinglong models.
- Off-Road Machinery: Ideal for applications in demanding conditions where robust parts are essential for reliability.
Purchasing and Availability
Heavy-duty synchronizer cones in 20CrMnTi steel are available from various manufacturers and auto parts suppliers, often through online marketplaces like Alibaba.com or specialized drivetrain performance shops. They are frequently offered as OEM (Original Equipment Manufacturer) or aftermarket parts designed to meet specific transmission model requirements, such as those for ZF or Eaton gearboxes.
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20crmnti synchronizer - High Performance Gearbox Parts
Alibaba.com
https://www.alibaba.com › showroom › 20crmnti-synch...
Alibaba.com
https://www.alibaba.com › showroom › 20crmnti-synch...
Block-Type (or Cone) Synchronizer. The most common design where conical surfaces create friction to match gear speeds. Made from 20CrMnTi for enhanced wear ...Read more
OEM Volvo Truck Synchronizer Ring Parts 21482856 1521438
Volgen Power
https://www.volgenpower.com › oem-manufacture-of-v...
Volgen Power
https://www.volgenpower.com › oem-manufacture-of-v...
Volvo synchronizer rings are primarily constructed from high-strength materials designed to withstand the rigors of heavy-duty use: 20CrMnTi Steel: This alloy ...Read more
Scania Truck Gearbox Synchronizer Cone, High-Efficiency
TOSEN AUTO
https://www.tosenauto.com › ... › Synchronizer Ring
TOSEN AUTO
https://www.tosenauto.com › ... › Synchronizer Ring
Crafted from premium 20CrMnTi alloy steel ... Suitable for bulk wholesale, it comes with reliable after-sales support to satisfy the demands of global heavy-duty ...Read more
compatible with 16s151/181/220/221/251 euro truck gearbox
Fujian Tongxing Automobile Synchronizers Co., Ltd.
https://www.tongxingcl.com › zf-3rd4th-gear-synchroniz...
Fujian Tongxing Automobile Synchronizers Co., Ltd.
https://www.tongxingcl.com › zf-3rd4th-gear-synchroniz...
Made of 20CrMnTi carburized steel, combined with German technology to ensure high wear resistance and long life, suitable for heavy-duty transportation ...Read more
MT82 Heavy Duty 6th Gear Synchronizer Cone
Texas Drivetrain Performance
https://www.txdrivetrain.com › MT82 Parts
Texas Drivetrain Performance
https://www.txdrivetrain.com › MT82 Parts
Boost your 11-17 Ford MT82 transmission with the MT82 Heavy Duty 6th Gear Synchronizer Cone. Made from 8620 alloy. Interchanges with BR3Z-7M000-CB.
$49.95In stock30-day returns
Missing: 20CrMnTi steel
SYNCHRONIZER CONE
eBay
https://www.ebay.com › ... › Differentials
eBay
https://www.ebay.com › ... › Differentials
SYNCHRONIZER CONE ; Quantity. 1 available ; Item number. 285344686866 ; Brand. National Drivetrain ; Manufacturer Part Number. WADT12-0077 ; Accurate description.Read more
$262.50
People also ask
What is a synchronizer cone?
🔩 The synchronizer cone is a critical friction element in manual transmissions, enabling speed synchronization between gears before engagement. ⚙️ Its precise taper angle and surface finish are essential for smooth, wear-resistant shifting under load.May 23, 2025
TAS - Gearbox and Differential spare parts - Facebook
Facebook
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Facebook
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What is the purpose of the synchronizer ring?
4:39
8:27
This one uses a friction style centered metal surface. And this one uses a fiber metal or fiber.MoreThis one uses a friction style centered metal surface. And this one uses a fiber metal or fiber.
Synchronizer Operation Explained - YouTube
YouTube
https://www.youtube.com · DrivelineMaster
YouTube
https://www.youtube.com · DrivelineMaster
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OEM 971 262 0762 Synchronizer Cone for Eaton Gearbox ...
PairGears
https://www.pairgears.com › pid18534149 › OEM-9712...
PairGears
https://www.pairgears.com › pid18534149 › OEM-9712...
Finish grinding to ISO Grade 4–6; improves finish, cuts noise, boosts load/contact uniformity—ideal for high-speed, high-load. Gear hobbing manufacturing.Read more
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Buy Auto Chinese Heavy Truck Gearbox Body Parts ...
TradeWheel
https://www.tradewheel.com › ... › Truck Body Parts
TradeWheel
https://www.tradewheel.com › ... › Truck Body Parts
Auto Chinese Heavy Truck Gearbox Body Parts Synchronizer Cone 1312304056 is built with 20CrMnTi, 20CrMnTi. Auto Chinese heavy truck gearbox body parts ...Read more
$16.87
Auto Parts Cone Factory
Made-in-China.com
https://www.made-in-china.com › hot-china-products
Made-in-China.com
https://www.made-in-china.com › hot-china-products
Heavy Truck Gearbox Spare Parts Synchronizer Steel Cone OEM 9452625534/182292 for Benz. US$16.00-24.00. 10 pieces (MOQ).Read more
store rating (282)
Benz Truck Gearbox Synchronizer Cone(379)
Alibaba.com
https://www.alibaba.com › ... › Truck Transmissions
Alibaba.com
https://www.alibaba.com › ... › Truck Transmissions
The synchronizer cone is typically located inside the gearbox and is constructed from durable materials such as brass or hardened steel to withstand the ...Read more
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