Weichai 612600030047A Piston WP10.340E32
1 、 High strength and stability
The product is made of aluminum alloy A356 with the addition of silica (12%), which provides temperature excerpt to +300 ° C and pressure up to 200 bar.
2 、 exact geometric parameters
A diameter of 126 mm with the accuracy of ISO 6983 G7, hermetic rings and a threaded attachment system reduce the loss of compression by 15% compared to analogues.
3 、 Flexibility of application and durability
Compatible with Weichai WP10/WP12 engines, has a Nikasil coating (applying nickel with silicon) to protect against wear and corrosion. Guaranteed service life of 150,000 km.
Product representation
Article: 612600030047A
Mark: Weichai Power
High strength and stability
The product is made of aluminum alloy A356 with the addition of silica (12%), which provides temperature excerpt to +300 ° C and pressure up to 200 bar.
Exact geometric parameters
A diameter of 126 mm with the accuracy of ISO 6983 G7, hermetic rings and a threaded attachment system reduce the loss of compression by 15% compared to analogues.
Flexibility of application and durability
Compatible with Weichai WP10/WP12 engines, has a Nikasil coating (applying nickel with silicon) to protect against wear and corrosion. The guaranteed service life is 150,000 km. For diesel engines of commercial transport and industrial equipment
Type: piston with a ring card and longitudinal ribs
Certification: ISO 9001: 2015, IATF 16949, GB/T 19001
2. Technical parameters
2.1. The main characteristics
Suitability for engines:
Weichai WP10/WP12 (10–12 liters, power 270–430 hp)
Cummins ISM, Scania DC13 engines
Piston diameter: 126 mm (accuracy ISO 6983 G7)
Height: 135 mm
Mass: 2.3 kg
2.2. Materials
Basic material: aluminum alloy A356 (AL-SI12-CU-MG) with the addition of:
Silence: 12% (increase in wear resistance)
Copper: 0.5% (Improvement of heat sink)
Magnesium: 0.3% (weight loss)
Surface processing:
Nikasil (applying nickel with silicon) with a thickness of 0.05–0.1 mm.
T6-processing (annealing and cringing) to increase hardness to HB 120–140.
2.3. Power characteristics
Working pressure: 150-200 bar (maximum 250 bar).
Temperature range: -40 ° C (launch in frost) up to +300 ° C (hot combustion zone).
Temperature fluctuations: 1000 of the cycles of changes (100 ° C → 300 ° C) without cracks.
3. Design and technology
3.1. Special solutions
Ring Carter:
Three rings (2 compression + 1 lubricants).
Material: 高强度铸铁 with graphite structuring.
Longitudinal ribs:
Two -layer structure (aluminum + steel frame).
The distance between the ribs: 12 mm (for uniform load distribution).
3.2. Production technology
Citing casting:
Forming under high pressure (HPDC) to exclude pores.
Surface processing:
Grinding to RA 0.8 microns (to reduce friction).
Antifriction layer: mos₂ (molybdenum disulfide).
3.3. Dynamic characteristics
Maximum piston speed: 15 m/s (at engine speed 2500 rpm).
The axis oscillation: ≤0.02 mm (check through a prism).
4. Technical advantages
4.1. High strength and durability
Abrasion resistance:
Nikasil-opening increases the service life by 50% compared to standard pistons.
Thermal conductivity:
170 w/(m · k) (better than cast iron).
4.2. Savings and environmental friendliness
Reduced costs:
Loss of compression is reduced by 15% due to hermetic rings.
Fuel savings: 2-3% due to more complete combustion.
Environmental friendliness:
Co₂: -10%, Nox: -8% (compliance with Euro VI standards).
4.3. Technical superiority
Balancing:
Computer modeling (CAE) to minimize vibrations.
Compatibility:
Suitable for engines with Common Rail and turbocharging systems.
5. Testing and certification
5.1. Laboratory tests
Wear test:
500,000 cycles with a load of 180 bar (wear of the ring crankcase ≤0.1 mm).
Tightness test:
Pressure 250 bar for 1 hour (no leaks).
Climate tests:
Frost resistance: -40 ° C (response time 5 seconds).
Hot resistance: +350 ° C (24 hours).
5.2. Certification
IATF 16949: International Standard for the Automobile Industry.
GB/T 19001: Chinese quality standard.
CE: compliance with European requirements.
6. Application and compatibility
6.1. The scope of application
Trucks: Volvo FH, Scania R-Series.
Construction equipment: Komatsu PC200, Caterpillar 320.
Generative installations: for energy supply of industrial facilities.
6.2. Compatible systems
Injection Systems: Bosch Common Rail.
Heating systems: network heat exchangers (optimal work at +30 ° C).
7. Instructions for installation and maintenance
7.1. Installation
Pre -check:
Check the diameter of the cylinder (should be 126.05–126.15 mm).
Check the condition of the rings and threads.
Installation:
Cover the piston surface with grease (for example, Shell Helix Ultra 5W-40).
Use a special tool for compression of the rings.
7.2. Service
Perfection of checks:
50,000 km: checking the wear of rings and threads.
100,000 km: replacement of the piston.
Recommendations:
Use only certified weichai spare parts.
Check the oil level every 5000 km.
Exhibition cabinets
Acquaintance with the plant
The plant operates a team of highly qualified and experienced engineers who continuously introduce technological innovations and improve products. Currently, the company has a number of independent intellectual property rights and patented technologies. The manufactured construction equipment includes a wide range of equipment such as excavators, loaders, taps, bulldozers and other machines. Products are highly productivity, reliability, energy efficiency and environmental friendliness, as well as the ability to adapt to difficult operating conditions in various climatic and working media around the world.
Awards and fightsFixation
frequently asked questions
1. In which countries are we exporting?
Asia: Vietnam, India, Indonesia, Pakistan, Kazakhstan, Uzbekistan, etc.
Europe: Russia, Belarus, Ukraine, Lithuania, Saudi Arabia, etc.
South America: Brazil, Chile, Paraguay, Argentina, etc.
Africa: South Africa, Ethiopia, Libya, etc.
2. What kind of payment conditions can we accept?
Usually we can work on T/T, 30% TT before production and 70% TT before shipping
3. What ways can we work for delivery?
1) for most countries in Europe, South America and Africa, etc. We can go along the container or Roro through the ocean freight.
2) for neighboring countries of China, such as Russia, Vietnam, Kazakhstan, Uzbekistan, etc. We can deliver by road or railway.
3) for light spare parts in the urgent requirement, we can send it using the international courier service, such as DHL, TNT, EMS or other air transportation.
4. How can you guarantee that you delivered goods to customers?
A: We will provide you with complete information about delivery for you.
5. What are our advantages compared to other manufacturers/factories?
1) Reliable quality: we carefully choose permanent manufacturers to support spare parts, such as engines, bridges, transmission, and many parts developed and produced by us always adapting the best materials.
2) a competitive price: the concentration of mechanized production in large quantities reduces production costs to ensure a competitive price.
3) The service team: firstly, our sales managers work 24 hours a day, are ready to answer your questions at any time. Secondly, a professional maintenance team with senior equipment, ready to provide support services to users and dealers. Most problems can be solved within 24 hours.
4) Fast delivery: As a rule, we can deliver within 10 working days at the plant after receiving prepayment from customers.
6. How can you provide customers after sales service?
A: We will answer you at first and help you solve problems within 24 hours. If we really need your local, we
We will send your professional person to your settlement to help you solve problems without any fluctuations, supply you with comprehensive








