China factories

Chat Now Send Email
China factory - Wuhan Jingyi Xiangtai Trading Co., Ltd.

Wuhan Jingyi Xiangtai Trading Co., Ltd.

  • China,Wuhan ,Hubei
  • Verified Supplier
  1. Home
  2. Products
  3. About Us
  4. Contact Us

Leave a Message

we will call you back quickly!

Submit Requirement
China Automatic Truck Slack Adjuster Self Adjusting Constant Brake Clearance Wear
China Automatic Truck Slack Adjuster Self Adjusting Constant Brake Clearance Wear

  1. China Automatic Truck Slack Adjuster Self Adjusting Constant Brake Clearance Wear

Automatic Truck Slack Adjuster Self Adjusting Constant Brake Clearance Wear

  1. MOQ: 50 Pieces
  2. Price: USD 15-35 / Piece
  3. Get Latest Price
Operating Temperature -40°C to +120°C
Supply Ability 30000 Pieces per Month
Payment Terms T/T,L/C,Western Union
Delivery Time 5-7 working days for stock, 20-30 days for bulk production
Material Forged Alloy Steel
Brake Clearance Control Constant Automatic
OE Reference Multiple OE Numbers Available
Surface Treatment Zinc Plated Anti-Corrosion
Packaging Details Neutral color box with foam insert, export-grade corrugated master carton, 20 pcs per carton
Spline Count 28 Tooth
Arm Length 5.5 Inch / 140mm
Wear Compensation Automatic Continuous
Application Heavy Duty Truck and Trailer
Adjuster Type Automatic Self-Adjusting
Brand Name ECER
Place of Origin Shandong, China
Model Number ASA-28S
Certification ISO 9001:2015, TS 16949

View Detail Information

Inquiry by Email Get Latest Price
Chat online Now Ask for best deal
  1. Product Details
  2. Company Details

Product Specification

Operating Temperature -40°C to +120°C Supply Ability 30000 Pieces per Month
Payment Terms T/T,L/C,Western Union Delivery Time 5-7 working days for stock, 20-30 days for bulk production
Material Forged Alloy Steel Brake Clearance Control Constant Automatic
OE Reference Multiple OE Numbers Available Surface Treatment Zinc Plated Anti-Corrosion
Packaging Details Neutral color box with foam insert, export-grade corrugated master carton, 20 pcs per carton Spline Count 28 Tooth
Arm Length 5.5 Inch / 140mm Wear Compensation Automatic Continuous
Application Heavy Duty Truck and Trailer Adjuster Type Automatic Self-Adjusting
Brand Name ECER Place of Origin Shandong, China
Model Number ASA-28S Certification ISO 9001:2015, TS 16949
High Light Truck Slack Adjuster Automatic Brake Clearance ,Truck Slack Adjuster Auto Wear Compensation ,Automatic Slack Adjuster 8 Spline

Automatic Truck Slack Adjuster - Constant Brake Clearance, Zero Manual Adjustment

The ASA-28S Automatic Slack Adjuster is engineered for heavy-duty commercial trucks and trailers, delivering automatic constant brake clearance with built-in auto wear compensation technology. Unlike traditional manual slack adjusters that require frequent field adjustments, this self-adjusting unit maintains optimal brake performance throughout the entire lining wear cycle—no manual adjustment required.

Key Features

  • Automatic Self-Adjusting Mechanism: Continuously monitors and adjusts brake clearance during every brake application, eliminating the need for manual intervention and reducing maintenance downtime.
  • Constant Brake Clearance Control: Precision internal gearing maintains a consistent gap between brake lining and drum, ensuring uniform braking force across all wheel positions and preventing uneven wear.
  • Auto Wear Compensation System: A sealed worm gear and clutch assembly automatically compensates for friction material wear over time, extending service intervals and improving fleet safety compliance.
  • Heavy Duty 28-Spline Design: Forged alloy steel body with 28-tooth spline interface provides maximum torque transfer and durability under extreme operating conditions (-40°C to +120°C).
  • Corrosion Resistant Finish: Zinc plated surface treatment protects against road salt, moisture, and harsh environmental exposure, ensuring long service life in all climates.

Technical Specifications

Spline Count28 Tooth
Arm Length5.5 Inch / 140mm
MaterialForged Alloy Steel
Adjuster TypeAutomatic Self-Adjusting
Clearance ControlConstant Automatic
Wear CompensationAutomatic Continuous
Surface TreatmentZinc Plated Anti-Corrosion
Temperature Range-40°C to +120°C
ApplicationHeavy Duty Truck and Trailer
CertificationISO 9001:2015, TS 16949

Why Choose Automatic Over Manual?

Manual slack adjusters require periodic physical adjustment by maintenance personnel—a process often overlooked or performed incorrectly in busy fleet operations. Automatic slack adjusters like the ASA-28S eliminate human error from the equation. The self-adjusting mechanism activates with every brake application, ensuring brakes remain in peak condition without any manual intervention. Benefits include:

  • Reduced maintenance labor costs and vehicle downtime
  • Consistent braking performance across all wheel positions
  • Extended brake lining life through optimal clearance management
  • Improved fleet safety and regulatory compliance
  • Lower total cost of ownership over the product lifecycle

Package Includes

  • 1 x ASA-28S Automatic Slack Adjuster
  • 1 x Installation Instruction Sheet
  • Protective packaging with foam insert

OEM and custom branding available upon request. Contact us for bulk pricing and sample orders.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer

  • Year Established:

    1996

  • Total Annual:

    4000000-5000000

  • Employee Number:

    100~200

  • Ecer Certification:

    Verified Supplier

 Wuhan Jingyi Xiangtai Trading Co., Ltd. | Company Profile   Boasting 30 years of dedicated focus on the heavy-duty truck spare parts industry, Wuhan Jingyi Xiangtai Trading Co., Ltd. has evolved into a versatile integrated supplier specializing in in-house manufacturing, authorize...  Wuhan Jingyi Xiangtai Trading Co., Ltd. | Company Profile   Boasting 30 years of dedicated focus on the heavy-duty truck spare parts industry, Wuhan Jingyi Xiangtai Trading Co., Ltd. has evolved into a versatile integrated supplier specializing in in-house manufacturing, authorize...

+ Read More

Get in touch with us

  • Reach Us
  • Wuhan Jingyi Xiangtai Trading Co., Ltd.
  • Jingyi Auto Parts, No.1, Building 4, Phase 2, Gaoqiao International Auto Parts City, Dongxihu District, Wuhan, Hubei, China
  • https://www.heavy-trucksparts.com/

Leave a Message, we will call you back quickly!

Email

Check your email

Phone Number

Check your phone number

Requirement Details

Your message must be between 20-3,000 characters!

Submit Requirement