200× 50mm 4-Stud Trailer Brake Drum with Bearing & Circlip – Fits Ifor Williams Axles (M12X1.5 / 139.7mm PCD)

• After-sales Service: Yes
• Warranty: 1
• Type: Brake Drums
• Model NO.: MT035
• Material: Steel
• Position: Brake Assembly
• Certification: ISO/TS16949, AMECA, ECE
• 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
• Product Name: I.W.Brake Drum 200X50mm M12X1.5 Hole Size
• Drum Size: 200*50mm
• Bolt Pattern: 5×m14X1.5 on 139.7mm PCD
• Thread Size: M14×1.5
• PCD: 139.7mm Centres
• Bearing Included: Yes
• Bearing Size: 42mm (ID) × 76mm (Od) × 39mm (Width)
• Application: Replacement for Ifor Williams Trailers
• Circlip: Pre-Installed
• Drum Material: High-Strength Cast Iron
• Brake Compatibility: Forging Spindle 3500lbs Drop Type
• Brand: Mester
• Surface Treatment: Rust-Proof Coating / Painted
• Mounting Type: Bolt-on
• Delivery Time: 15–30 Days After Deposit
• Transport Package: Wooden Blocks or Iron Brackets
• Specification: 200x50mm
• Trademark: Mester
• Origin: China
• HS Code: 8708309500
• Production Capacity: 1000 Acres Per Day

Product Description

MESTER BRAKE SYSTERM(SHANDONG) CO.,LTD

          MESTER BRAKE SYSTERM(SHANGDONG)CO.,LTD was established in 2006,a sino-us joint-venture company.The doreign partner is axle teknology LLC,one of the biggest axles an spare parts company in North America.

         Specializing in the production of axle asselmbly,brake assembly,hub and drums,spring suspension,coupler and other truialer &caravan parts.More than 90% are export to North America and Oceania.

         Our company has already got the ISO19001,TS16949 and CSA certification 20000 m2  workshop area,over 500 employees including 40 technicians dedicated to the R&D works of trailer parts.

All our products would be offered to you only after they passed a series of serous tests.

        We offer them to you with an easy heart because we know you will be satisfied and safe with our products.

Workshop Area	Employees	Technical R&D Engineers
20000m^2	500	40
International Market and Cooperation
North America	Europe	Australia
New Zealand	CIS ; Central Asia	Southeast Asia

PRODUCT

    We can provide all the brakes you need. Rest assured, we have enough strength and qualifications to make products that will satisfy you.

    The electric brakes in American markedt and Austrialia market area little different.

    We supply bother American style and Austrialian style brake and axles.

    We welcome OEM,ODM and custom products.

 

Specification

Market	Europe
Product Name	I.W.Brake drum 200×50mm
Load time	35-40DAY
OEM/ODM	Custom size, bolt pattern, and packaging supported
Certification	ECE ADR ISO16949
Surface Finish	Plain / Anti-rust Coated / Zinc-Plated
Bround	MESTER
Product Parameters	200×50mm 4-Stud Trailer Brake Drum with Bearing & Circlip – Fits Ifor Williams Axles (M12x1.5 / 139.7mm PCD)

This 200×50mm 4-stud trailer brake drum is engineered for use with Ifor Williams braked axles, offering reliable stopping performance and long-term durability. It is supplied pre-assembled with a sealed bearing (42×76×39mm) and circlip, ready for immediate installation.

With a bolt pattern of 4×M12x1.5 at 139.7mm PCD, this drum is compatible with a wide range of UK and EU trailers using similar axle setups. Constructed from precision-machined cast iron with anti-corrosion treatment, it ensures both strength and longevity.

Our testing equipment

Advanced High-precision Equipment

   Link 3900 NVH Dynamometer ;   Axle payload Fatigue Testing Machine;  JF122;  Axle  fatigue test machine;10T electronic tension and compression testing machine Optical Spectrometer ; CMM and other Equipment ;Spectrum Analyzer;  Constant speed test friction machine;Ozone aging test machine;Tractor fatigue testing machine

All key components are self-made to ensure the products are excellent quality and reasonable price.

Products Achieve: Low Noise , Finishing , High Bearing Capacity ;Durable and long-lasting

Specially in production and export supply
Axle Assembly	Brake Assembly	Hub and Drum	Spring Suspension
Coupler	Axle Shaft	Brake Pad	Brake Shoe
Roller Rocker Suspension		Trailer & Caravan & Automotive Parts
Core products: electromagnetic brake, with an annual output of 5 million sets, The annual output of various Axle is 300,000 sets,accounts for more than 90% of the export market of similar products in China .
The Products certifications won are
QAI - North America		ADR - Australia
CSA - CanadaIATF16949		ECE - European Union

Packing & Delivery

Product Packaging

We have two packaging methods: wooden blocks and iron brackets Or if you have special needs, you can also tell us

Company Profile

EFFICIENT AND PROFESSIONAL SERVICE

Dear customers, I would like to say we will fully implement strict precision machining and quality assurance in all aspects of  your order from design , production , testing , delivery .etc . We promise to provide reasonable and competitive supply price to meet the long-time stable development of OE and after-market sales requirement by your company .

Thank You For Your Trust : 

FAQ

1. Who are we?
We are MESTER BRAKE SYSTERM(SHANDONG) CO., LTD, headquartered in Weifang City, Shandong Province, with a total factory area of 80,00 square meters, 500 employees, and 60 technicians. 
2. What can you buy from us?
Brake assembly, axle assembly, brake pads, RV, various chassis parts, and accessories
3. How do we ensure quality?
We are integrated with R&D and manufacturing. From the beginning of material testing, manufacturing, and product testing, we do everything in-house.
4. What are our advantages? Why choose to buy from us?
1. Our sales volume ranks among the top one in China, and we have cooperated with North America, Europe, Australia, and other countries
2. We are integrated with manufacturing and R&D, and the quality is guaranteed
3. The company has been established for 25 years and has strong strength
4. Passed many certifications, including ECE, QAI, ADR, CSA, E-MARK and other tests
5. We accept currencies: US dollars, euros, RMB, British pounds, Canadian dollars, etc.

6.We not only provide you with the best products, but also the best services. When you choose us, you get not only high quality but also high service and high after-sales service. We guarantee that if our products are not used for the minimum period we promised you, such as 1 year, but they break after 3 months, we will give you a full refund for the broken products, or you can choose to replace them without repairing them, and we will bear the round-trip shipping costs.
 
 
FINAL WORDS
    We are a professional manufacturer located in China, Shandong, specializing in trailer brake systems and trailer components for many years. With advanced production lines, strict quality control, and experienced technical teams, we are confident in delivering reliable products and consistent service.
 
    We sincerely welcome inquiries from distributors, wholesalers, and OEM partners. Whether you're placing a trial order or planning long-term cooperation, we will do our best to support your business.
 
     Thank you for considering our products. Your trust is our greatest motivation. We are not just looking for buyers—we are looking for long-term partners. Let's grow together and build a win-win future