Gold Member Since 2015
Audited Supplier
Yadong Industry Limited

Brake, Brake Drum, Daf Brake Drum manufacturer / supplier in China, offering High Quality Brake Drum 3721X/3721ax/61527b, Truck Brake Drum 43512-4090 for Brake System on Trucks/Trailers, 9754210012/9754210112/9754210212 for Mercedes-Benz Truck/Bus Brake Disc and so on.

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Supplier Homepage Product Truck and Bus brake drum High Quality Brake Drum 3721X/3721ax/61527b

High Quality Brake Drum 3721X/3721ax/61527b

Purchase Qty.:
5-9 10-19 20-49 50+
FOB Unit Price: US $12 US $20 US $30 US $31
Purchase Qty. (Pieces) FOB Unit Price
5-9 US $12
10-19 US $20
20-49 US $30
50+ US $31
Get Latest Price
Port: Tianjin, China
Production Capacity: 89000000PCS/Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Product Catalog
Commercial Vehicle/Heavy duty brake drum Factory
50 Products
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Basic Info
  • Model NO.: 3721X, 3721AX, 61527B
  • Material: Ht250 or Others
  • Certification: ISO/TS16949, ISO14001, TS16949, AMECA, DOT, ECE, Saso
  • Drum Brakes Classification: Brake Drum
  • Brake Size: 15 X 4
  • Brake Face Width: 4.89
  • Hub Pilot Dia.: 8.78
  • Number of Holes: 10
  • Vehicle Type: Truck, Bus, Heavy Duty Truck, Trailers, Semi-Trailers
  • Trademark: Neutral
  • Specification: SGS
  • HS Code: 870830
  • Type: Brake Drums
  • Position: Front or Rear
  • Classification: 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
  • Brake Face Dia: 15
  • Overal Depth: 8.87
  • Bolt Hole Circle Dia.: 11.25
  • 1.31bolt Hole Dia.: 0.94
  • OEM Number: 3721X, 3721ax, 61527b
  • Transport Package: Pallets
  • Origin: China
Product Description
brake drum 3557A,63631F
Brake Shoe Size 15 x 4
Weight 79
C: Brake Face Dia 15
D: Brake Face Width 4.89
L: Overall Depth 8.87
F: Hub Pilot Dia. 8.78
BC: Bolt Hole Circle Dia. 11.25
No. of Bolt Holes 10
G: Bolt Hole Dia. 0.94

High Quality Brake Drum 3721X/3721ax/61527b
High Quality Brake Drum 3721X/3721ax/61527b
High Quality Brake Drum 3721X/3721ax/61527b
High Quality Brake Drum 3721X/3721ax/61527b
Brake Shoe Size15 x 4
C: Brake Face Dia15
D: Brake Face Width4.89
L: Overall Depth8.87
F: Hub Pilot Dia.8.78
BC: Bolt Hole Circle Dia.11.25
No. of Bolt Holes10
G: Bolt Hole Dia.0.94
Wellcome Visit Our Factory
Yadong Vehicle Spare Parts Group
Brake Drum,Brake Shoe Factory

Our products Advantage
1.Credibility of the enterprise;
 2.OEM quality standard guaranteed;
 3.Sample purpose order accepted;
 4.Standard materrial according to technical drawing;
 5.Able to produce according to specification with technical drawing;
 6.Positive customer feedback from domestic and international market.

If you are interested in that feel free to contact to me.Hope we can cooperate with you in the future.

In additional ,we can produce the new products according to your drawing or samples in a short time .
1) good quality;
2) competitive price;
3) Quality Control and OEM service
4) professional experience and good after-sales service;
Our products Scope
  We are manufacturer specializing in all typical brake drums for trucks such as SCANIA / VOLVO / MERCEDES BENZ / BPW / RENAULT / DAF / MAN/ STYER HOWO / IVECO / KAESSB OHRER / KESSLER / MAZ / SAUER SAF / ROR / TRAILER / GUNTE WEBB / KIC / FUWA / NIHO / NISSAN / JAPAN / MITSUBISHI FOSO / YORK / FRUEHAUF/Others
(1)Product Specifications


i)   alloy cast irons, gray iron, Ductile iron parts (G3000, G3500, GG20, GG25,GG30, GG35, GGG40, GGG50 and GGG60 15%Cr-Mo, L-NiCuCrl562.1563) ,
ii)  grey high-carbon cast iron
iii) high-silicon,high carbon contents 


30-70 kg

Chemical   composition

C: 3.35-3.7%  Si: 1.3-2.1% Mn:0.5-1.05%  P ≤ 0.12%   S: ≤ 0.10%

    Casting Charactor 

FQ and diameter 
Per client's requirement


Technical expert take in charge of making drawings for the samples offered by clients
As the customer drawing.As the ustomer sample.

    Test requriment

Each piece should be strictly tested, Eg. Blance Test, Round Jumpness Test

   Mechnical property

tensile strength>255N/mm2
degree of hardness:197-241HB




Inner packing: Wooden pallet, 16/20 pcs wrapped film 
Outer packing: Steel rope with16/20 pcs wrapped Film
Wood pallet & Waterproof membrane,As the customer requirement

Brake Drum 
2.Guaranteed Quality, 
3.Low Price&OEM service, 
4.TS16949 & ISO9001:2008,
Brake Drum &Wheel Hub
1.Good quality and excellent service;
2.Satisfaction Guaranteed;
3.Good dynnamic balance;
4.Wide range of specialised testing equipment.
1.Metertrial:gray iron HT250/GG25=heavy truck brake drum
3.Chermical composition:
C:3.0-3.3%  Si:1.6-1.9%  Mn:0.7-0.9% 
P:<0.12%    S<0.12%
4.Mechanics performance:
Main body degree of hardness:163-255HBS
Testing rod tensile strength:>=220mpa
5.Design:As per the customers sample or Drawings
6.Packing:Wood pallet&Waterproof membrane.

brake drum,great quality and competitive price.
Advantage in machining, casting.
Casting: Automatic production line including sand mixing, molding and pouring.
Machining: CNC machining center.
Inspection: Advance test equipment including CMM, tensile strength testing machine, hardness tester, spectrometer, parallel tester, etc.
Every detail contributes to our products of consistent quality and excellent performance
Below are part of the brake drums we supply, for more information please feel free to contact us.
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Mr. Zhao Bin
To: Mr. Zhao Bin

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