Heavy-Duty T12 Trailer Brake Chambers for Commercial Vehicles
Premium T12 trailer brake chambers with 150 PSI rating. Features 5/8-11 UNC mounting studs and 3/8-18 NPTF air ports. Ideal for commercial trailers % trucks.
Basic Info.
- Model NO. T12
- Type: Brake Chamber
- Material: Steel
- Size (mm x mm x mm): 235 x 190 x 170
- Weight (kg): 2.4 kg
- Weight (lb): 5.291
- Stroke Inch: 3 in (7.62 cm)
- Application: Trailer
- Color: Black
- Condition: New
- Tire Number: 4
- Axle Number: 2
- Position: Front
- Certification: ISO/TS16949
- Classification: Disc
- 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
- Transport Package: Carton
- Specification: 350 x 116 x 109
- MOQ: 50 PCS
- Origin: China
- HS Code: 87089390
- Production Capacity: 50000 pcs/ year
- Package Size: 120.00cm * 100.00cm * 100.00cm
- Package Gross Weight: 200.000kg
Product Description of T12 trailer brake chambers
- A = Length from mounting bracket to end of Spring Housing
- B = Length of Piggyback
- C = Dimension at rolled Spring Housing flange
- D = Dimension at Service Clampband
- E = Stud Spacing 4.75 in. (120.7mm)
- J = Pushrod Length from face of Service Housing
- K = Distance to Clevis Pin centerline from face of Service Housing
- S1 = Service Clampband position (0°)
- T = Air Port position (90°)
- Stud Type: 5/8-11 UNC Grade 5
Stud Length: 1.50 in. (38.1mm)
Pushrod Thread: 5/8-18 UNF
Air Port Threads: 3/8-18 NPTF
Maximum Air Pressure: 150 psi
Pictures and Specifications of T12 trailer brake chambers
| MODEL | STROKE | AIR INLET | BOLT THREAD | DESCRIPTION | PUSH ROD THREAD | PUSH ROD LENGTH |
|---|---|---|---|---|---|---|
| T12 | 57 | 2-M16x1.5 | M16x1.5 | 76.2 | M16x1.5 | 200MM |
| T16 | 57 | 3/8″NPT | 5/8″-11UNC | 120.7 | 5/8″-18UNF | 285MM |
| T16 | 57 | M16x1.5 | M16x1.5 | 120.7 | M16x1.5 | 285MM |
| T16 | 57 | 2-3/8″NPT | M16x1.5 | 120.7 | M16x1.5 | 285MM |
| T16 | 75 | 2-M16x1.5 | M16x1.5 | 76.2 | M16x1.5 | 193MM |
| T20 | 57 | 3/8″NPT | 5/8″-11UNC | 120.7 | 5/8″-18UNF | 285MM |
| T20 | 57 | M16x1.5 | M16x1.5 | 120.7 | M16x1.5 | 285MM |
| T20 | 57 | 2-3/8″NPT | 5/8″-11UNC | 120.7 | 5/8″-18UNF | 285MM |
| T20 | 57 | 2-M16x1.5 | M16x1.5 | 120.7 | M16x1.5 | 285MM |
| T20 | 57 | 2-3/8″NPT | 5/8″-11UNC | 120.7 | 5/8″-18UNF | 285MM |
| T20-A | 75 | 2-M16x1.5 | M16x1.5 | 120.7 | M16x1.5 | 197MM |
| T24 | 64 | 3/8″NPT | 5/8″-11UNC | 120.7 | 5/8″-18UNF | 285MM |
| T24 | 64 | M16x1.5 | M16x1.5 | 120.7 | M16x1.5 | 330MM |
| T24 | 64 | 2-3/8″NPT | 5/8″-11UNC | 120.7 | 5/8″-18UNF | 285MM |
| T24 | 64 | 2-M16x1.5 | M16x1.5 | 120.7 | M16x1.5 | 330MM |
| T30 | 64 | 3/8″NPT | M16x1.5 | 120.7 | M16x1.5 | 330MM |
| T30 | 64 | M16x1.5 | M16x1.5 | 120.7 | M16x1.5 | 330MM |
| T30 | 64 | 2-3/8″NPT | 5/8″-11UNC | 120.7 | 5/8″-18UNF | 285MM |
| T30 | 64 | 2-M16x1.5 | M16x1.5 | 120.7 | M16x1.5 | 330MM |
| T30 | 64 | 2-3/8″NPT | 5/8″-11UNC | 120.7 | 5/8″-18UNF | 285MM |
| T30-C | 64 | 2-M16x1.5 | M16x1.5 | 120.7 | M16x1.5 | 190MM |
| T30 | 75 | 2-M16x1.5 | M16x1.5 | 120.7 | M16x1.5 | 186MM |
| T36 | 64 | M16x1.5 | M16x1.5 | 120.7 | M16x1.5 | 320MM |
| T36 | 64 | 2-3/8″NPT | 5/8″-11UNC | 76 | 5/8″-18UNF | 270MM |
| T36 | 64 | 2-M16x1.5 | M16x1.5 | 120.7 | M16x1.5 | 285MM |
Product Description of T12 trailer brake chambers
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Production process
Packaging& Shipping
Why Choose Our T12 Trailer Brake Chambers?
With decades of specialized manufacturing expertise in commercial vehicle braking systems, we deliver premium T12 trailer brake chambers designed specifically for the demanding requirements of trailer applications. Our T12 model represents the perfect combination of compact design and reliable performance for heavy-duty trailers. Here’s why fleet managers and maintenance professionals worldwide trust our product:
Optimized Trailer Design: Specifically engineered for trailer applications, our T12 trailer brake chambers feature a compact size (235 x 190 x 170 mm) and lightweight construction (2.4 kg) without compromising on performance. The design ensures perfect fitment and reliable operation in trailer braking systems.
Heavy-Duty Steel Construction: Manufactured from high-quality steel, our brake chambers offer exceptional durability and corrosion resistance. The robust construction ensures reliable performance under maximum air pressure of 150 PSI, providing long service life in demanding trailer applications.
Precision Engineering: Featuring standardized 3/8-18 NPTF air ports and 5/8-11 UNC mounting studs, our T12 chambers guarantee perfect compatibility and seamless integration with existing trailer brake systems. The 3-inch (76.2mm) stroke provides optimal braking performance for various trailer types.
Quality Certified Excellence: Every T12 trailer brake chamber undergoes rigorous testing and is manufactured under ISO/TS 16949 certification, ensuring compliance with international automotive quality and safety standards.
Global Trailer Compatibility: Designed to meet diverse regional requirements, our brake chambers are trusted in markets across North America, South America, Europe, and Asia, offering reliable performance for commercial trailers of all types.
Professional Installation and Maintenance Guide
Safety First Protocol:
Park on level ground and securely chock all wheels
Completely depressurize air systems before beginning work
Wear appropriate personal protective equipment
Follow all manufacturer safety guidelines
Installation Procedure:
System Preparation:
Fully release air pressure from brake system
Clean mounting surface thoroughly
Inspect all components for damage or wear
Chamber Installation:
Position chamber with proper orientation
Secure with 5/8-11 UNC mounting studs
Torque to manufacturer’s specifications (typically 35-40 ft-lbs)
Connect air lines to 3/8-18 NPTF ports
System Verification:
Check all connections for proper sealing
Verify smooth pushrod operation
Test brake function before putting trailer in service
Maintenance Best Practices:
Regular inspection every 25,000 miles or 3 months
Check for air leaks at connections and diaphragm
Monitor pushrod travel (maximum 76.2mm)
Inspect for corrosion or physical damage
Maintain detailed service records
Performance Benefits:
Consistent, reliable braking performance
Excellent air pressure response and modulation
Reduced maintenance requirements
Compact size ideal for trailer applications
Lightweight design reduces overall weight
Technical Specifications:
Size: 235 x 190 x 170 mm
Weight: 2.4 kg (5.291 lb)
Stroke: 3 inches (76.2 mm)
Air Port: 3/8-18 NPTF
Mounting Studs: 5/8-11 UNC
Maximum Pressure: 150 PSI
Troubleshooting Tips:
If brake drag occurs, check pushrod adjustment
For air leaks, inspect diaphragm and port connections
If braking power decreases, verify stroke length
Regular cleaning prevents corrosion buildup
Professional Recommendation: Always consult trailer manufacturer’s specifications for proper installation procedures and torque values. Regular inspection of your T12 trailer brake chambers is essential for maintaining optimal braking performance and overall trailer safety. Our chambers are designed for easy maintenance and long-term reliability in commercial trailer applications.
FAQ of T12 trailer brake chambers
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)
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This Brake Chamber isn’t just a part—it’s a critical safety upgrade for any heavy-duty braking system. Get yours today!
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