Automatic Slack Adjusters PT-40-06 & PT-40-07 – Reliable Brake Adjustment for Commercial Vehicles
Premium Automatic Slack Adjusters (Models PT-40-06/PT-40-07) for trucks & trailers. 10-teeth design, 12mm bushing, multiple arm lengths. ISO/TS16949 certified. Global shipping available.
Basic Info.
- Model NO. PT-40-06 PT-40-07
- Type: Brake System
- Material: Steel
- Position: Front
- Certification: ISO/TS16949, ISO13485
- Classification: Drum
- Drum Brakes Classification: Brake Drum
- Main Market: South America, North America, Eastern Europe, Mild East, Southeast Asia, Africa, Western Europe, Eastern Asia, Northern Europe, Oceania, Southern Europe, Central America, South Asia, Domestic Market
- Quality: 100% Test
- OEM No. PT-40-06 PT-40-07
- Bushing: 12
- Arm Length: 125, 150
- MOQ: 50 PCS
- Color Available: Color Available
- Package: Neutral Packaging or Brand Box
- Teeth: 10
- Usage: Automatic
- Color: red, black, green, blue, Galvanized….or as request
- Transport Package: Carton Packaging
- Specification: 2 Holes 10 Teeth
- Origin: China
- HS Code: 87083099
- Production Capacity: 50000 pieces/Year
Documents
View all related documents in our Product literature library..
Related aftermarket parts
PT-40-07
Automatic brake adjuster AA1
Product Description of Automatic Slack Adjusters
Brake Part-Truck & Trailer Automatic Slack Adjuster with OEM Standard (PT-40-06)
Original No. PT-40-06
- The Automatic slack adjuster is used for heavy duty truck and trailer.
- The conventional color is zinc plated.
- We can produce great many kinds of automatic slack adjusters according to customer’s requirments.
Photos Show of Automatic Slack Adjusters
This product features premium Automatic Slack Adjusters with model numbers PT-40-06 and PT-40-07, designed specifically for heavy-duty trucks and trailers. These automatic slack adjusters serve as critical brake system components that automatically maintain optimal clearance between brake shoes and drums, ensuring consistent braking performance and enhanced vehicle safety. Manufactured from high-grade steel and certified to ISO/TS16949 and ISO13485 international standards, these components meet the rigorous quality requirements of commercial vehicle applications worldwide.
The technical specifications of these automatic slack adjusters include a 10-tooth spline design with a 12mm bushing and two mounting holes. Available in multiple arm lengths (125mm for PT-40-06 and 150mm for PT-40-07), they are specifically designed for front-position drum brake systems in KAMAZ and MAZ vehicles. The standard finish is zinc-plated, with color options including red, black, green, blue, or galvanized coating, and custom finishes available according to customer requirements.
With a minimum order quantity of 50 pieces per model, these automatic slack adjusters are securely packaged in protective cartons, available in either neutral packaging or custom brand boxes. Produced in China with an annual capacity of 50,000 units, they are available for global shipping to markets throughout the Americas, Europe, Asia, Africa, and Oceania, serving commercial vehicle operators and maintenance providers worldwide.
In addition to the primary OEM numbers (PT-40-06 and PT-40-07), these automatic slack adjusters are cross-referenced with multiple alternative part numbers from various manufacturers, ensuring broad compatibility with different truck models and brake systems. We maintain comprehensive production capabilities to manufacture various types of automatic slack adjusters according to specific customer requirements and application needs, providing reliable brake adjustment solutions for commercial vehicles across global markets.
Technical Specifications
| Parameter | PT-40-06 PT-40-07 | PT-40-08 PT-40-09 |
|---|---|---|
| Arm Length | 125mm 150mm | 150mm |
| Teeth Count | 10 | 10 |
| Bushing Size | 12mm | 12mm |
| Mounting Holes | 2 | 2 |
| Material | Steel | Steel |
| Application | KAMAZ, MAZ | KAMAZ, MAZ |
| MOQ | 50 PCS | 50 PCS |
Except the above item, we can also provide following items:
| OE No. | Spline | Clevis Bushing | Application |
| 72875 | 1 1/2-10 | 14×6 | |
| 79005 | 1 1/2-10 | 14×6/7 | |
| 72166 | 1 1/2-10 | 12.7 | |
| 72678 | 1 1/2-10 | 12.7 | |
| 79011 | 27 | 14 | |
| 79207 | 26 | 14 | |
| 72702 | 1 1/2-10 | 14×6 | |
| 79017 | 27 | 14 | |
| 79018 | 27 | 14 | |
| 79299 | 27 | 14 | |
| 79300 | 27 | 14 | |
| 72532 | 1 1/2-10 | 14 | |
| 72533 | 1 1/2-10 | 14 |
Automatic Slack Adjusters CROSS REF.
E-9102 KN55001
283411 E-1574 KN44041
278010 E-1063HD KN47081
278321 E-940 KN47011
278302 E-4904 KN48031
278303 E-939 KN48001
286965 KN44051
287899 E-2459HD KN44061
278305 E-539 KN48002
288282 E-2458 KN44071
KN44042
Why Choose Our Automatic Slack Adjusters (Models PT-40-06 & PT-40-07)?
In the demanding world of commercial transportation, consistent brake performance is essential for safety and efficiency. Our Automatic Slack Adjusters are engineered to deliver superior reliability and precision, making them the ideal choice for fleet operators and distributors worldwide. Here’s why our products stand out:
Exceptional Durability and Performance: Manufactured from high-strength steel with protective zinc plating, these Automatic Slack Adjusters are built to withstand harsh operating conditions. Their robust construction ensures long-lasting performance, reducing maintenance needs and downtime.
Precision Engineering for Safety: Featuring a 10-teeth spline design and 12mm bushing, these adjusters guarantee accurate and consistent automatic brake adjustments. They maintain optimal brake clearance at all times, enhancing braking efficiency and safety without manual intervention.
Rigorous Quality Assurance: Every Automatic Slack Adjuster undergoes 100% testing and is produced under ISO/TS 16949 certification. This ensures compliance with the highest international standards for automotive quality and reliability.
Flexible Configuration Options: With multiple arm lengths (125mm and 150mm) and color choices (red, black, green, blue, galvanized), these adjusters can be customized to meet specific vehicle requirements and branding preferences.
Global Compatibility: Designed as direct replacements for OEM models PT-40-06 and PT-40-07, these adjusters are compatible with a wide range of heavy-duty trucks and trailers, including KAMAZ and MAZ vehicles.
Installation Tips for Automatic Slack Adjusters (PT-40-06 & PT-40-07)
Proper installation is crucial to ensure the Automatic Slack Adjusters function correctly and maintain brake system integrity. Follow these essential steps for a successful installation:
Safety Preparation: Park the vehicle on a level surface, chock the wheels, and fully depressurize the air brake system before beginning work.
Inspect and Clean Components: Thoroughly clean the brake camshaft splines and check for wear or damage. Remove any dirt, rust, or debris to ensure the Automatic Slack Adjuster seats properly and functions correctly.
Align and Secure the Adjuster: Carefully align the splines of the Automatic Slack Adjuster with the camshaft. Push it into place until fully seated, and tighten the clamp bolt to the manufacturer’s specified torque to prevent slippage.
Connect Linkage and Verify Movement: Attach the brake chamber pushrod to the clevis and secure it with a new cotter pin. Ensure all connections are tight and that the adjuster moves freely without binding.
Initial Operation Check: After installation, re-pressurize the air system and apply the brakes several times in a safe environment. This allows the Automatic Slack Adjuster to self-adjust and set the correct brake clearance.
Final Testing: Conduct a thorough brake test to verify proper operation before returning the vehicle to service. Check for air leaks or abnormal noises during braking.
Note: Always refer to the vehicle manufacturer’s service manual for detailed instructions and torque specifications to ensure compliance with safety standards.
FAQ
Q: Are you trading company or factory?
A: We are the manufacturer.
Q: What’s the MOQ for each item?
A: Usually the MOQ is 100pcs for each type. If color box is requested, the MOQ is 200pcs.
Q: What about the delivery time?
A: It’s about 1 to 5 days for the goods have in stock, 15 to 30 days for the goods need to be manufactured based on your order.
Q: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages
before you pay the balance.
Q: What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q: What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent,
we can pack the goods in your branded boxes after getting your authorization letters.
Q: Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q: Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
Final Call to Action (CTA)
📞 Contact us now for bulk orders (MOQ 50 PCS) and competitive pricing!
🌍 Ships globally – Serving North America, Europe, Africa, Asia, and more.
🛠️ OEM & Custom Solutions Available – Tailored to your requirements.
🚛 Join Our Facebook Community for Brake System Professionals! 🛠️
This Slack Adjuster isn’t just a part—it’s a critical safety upgrade for any heavy-duty braking system. Get yours today!


















Reviews
There are no reviews yet.