东风卡车400系列油封
We mainly deals in Dongfeng truck accessories (engine/axle/gearbox/cabin), especially Dana axle accessories and Cummins engine parts (4BT, 6BT, 6CT, 6L, ISBE, ISDE, ISLE,ISF2.8, ISF3.8, NTA855, KTA19,KTA38, KTA50, M11, ISM, etc.) with great advantages.
Product Descreiption
The Dongfeng Truck 400 Series Oil Seals represent a cutting-edge sealing solution tailored for Dongfeng’s heavy-duty 400 series trucks, including models designed for mining, construction, long-haul logistics, and off-road applications. Engineered to withstand extreme operating conditions—such as high torque, heavy loads, and harsh environments—these oil seals deliver unmatched durability, leak prevention, and thermal resistance. Built with advanced materials and precision manufacturing, the 400 series oil seals ensure reliable performance, reduce maintenance costs, and extend the lifespan of critical components in Dongfeng’s most demanding commercial vehicles.
Key Applications & Compatibility
- Vehicle Models:
- Dongfeng 400 Series: EQ4250, EQ4300, EQ4180, and variants (6×4, 8×4, and special-purpose configurations).
- Compatible Components:
- Engine: Crankshaft front/rear seals, camshaft seals, and turbocharger oil seals.
- Transmission: Input/output shaft seals, extension housing seals, and clutch release bearing seals.
- Rear Axle: Differential pinion seals, wheel hub seals, and inter-axle differential seals.
- Front Axle: Steering gearbox seals, kingpin seals, and suspension pivot seals.
Technical Specifications
- Material & Construction:
- Seal Lip:
- Nitrile Rubber (NBR): Standard option for general-purpose use (temperature range: -35°C to +120°C).
- Fluorocarbon Rubber (FKM/Viton): High-temperature variant (up to +220°C) for turbocharged engines or severe-duty applications.
- PTFE (Teflon)-Coated Lips: Ultra-low friction and high wear resistance for high-speed or dry-running conditions.
- Metal Case:
- Cold-Rolled Steel (SPCC): For cost-effective, corrosion-resistant performance.
- Stainless Steel (SS316): Optional for marine, mining, or highly corrosive environments.
- Spring: High-tensile stainless steel spring with anti-corrosion treatment for consistent lip pressure.
- Seal Lip:
- Common Dimensions (Example: Rear Axle Differential Pinion Seal):
- Inner Diameter (ID): ~80–100 mm (3.15–3.94 inches).
- Outer Diameter (OD): ~110–130 mm (4.33–5.12 inches).
- Width: ~15–20 mm (0.59–0.79 inches).
- Design Type: Triple-lip with integrated dust exclusion lip and secondary pressure relief groove for enhanced sealing.
- Performance Characteristics:
- Pressure Rating: Up to 1.2 MPa (174 psi) for high-pressure hydraulic and transmission systems.
- Speed Rating: Up to 5,000 RPM (depending on seal type and lubrication).
- Temperature Range:
- NBR: -35°C to +120°C (-31°F to +248°F).
- FKM: -20°C to +220°C (-4°F to +428°F).
- Chemical Compatibility: Resistant to mineral oils, synthetic lubricants, diesel fuel, and mild hydraulic fluids.
