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Fengdong Jinlan Heavy Truck Chassis Spare Parts Torsion Bar Rubber Sleeve Assembly 5001030-C6101

he 5001030-C6101 Rubber Bushing Assembly (Movable End) is an original equipment (OE) component manufactured by Dongfeng Commercial Vehicle (DFCV) for the cab suspension and tilting system of heavy-duty trucks. This bushing serves as a critical flexible joint located at the mobile end of the cab flip arm, connecting the driver’s cabin to the chassis-mounted pivot shaft.

Designed to provide both structural support and vibration isolation, this rubber-metal composite part ensures smooth operation during cab tilting (for engine maintenance) while absorbing road-induced shocks and vibrations during normal driving. Its advanced elastomer formulation delivers excellent flexibility, damping performance, and long-term fatigue resistance under continuous dynamic loads.

As a key contributor to NVH (Noise, Vibration, Harshness) refinement, the 5001030-C6101 enhances driver comfort and reduces metal-to-metal impact noise in high-end models such as the Dongfeng Tianlong KX/GX series. The 2026 version features improved low-temperature resilience, making it suitable for extreme climate operations across northern and mountainous regions.
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  • 5001030-C6101

  • Dongfeng

Attribute Specification
Part Number 5001030-C6101
Product Name Cab Flip Arm Rubber Bushing Assembly – Movable/Active End
Function Provides flexible connection and shock absorption for cab tilting mechanism
Installation Position Mounted on the movable end of the front cab flip arm (between arm and pivot shaft)
Vehicle Type Heavy-Duty Trucks, Tractor Units
Compatible Platform Dongfeng Tianlong KX / GX Series
Model Examples DFH4180, DFH4250
Material – Elastomer High-Flex Synthetic Rubber (NR/SBR blend), oil-resistant
Metal Components Inner and outer precision steel sleeves
Bonding Technology High-Temperature Vulcanization (steel-rubber adhesion)
Working Mode Dynamic articulation with compression, shear, and torsional movement
OEM Manufacturer Dongfeng Original Equipment Supplier
Standards Compliance GB/T 14961, ISO 4661, QC/T 630 (Automotive Rubber Mounts)
扭杆橡胶套筒总成-1


扭杆橡胶套筒总成-2


Parameter Specification
Outer Diameter (OD) ~Φ60 mm – Φ70 mm
Inner Bore Diameter Matches flip shaft diameter (~Φ25–30 mm)
Overall Length Approx. 80 mm – 100 mm
Weight (Each) ~0.3 kg – 0.5 kg
Durometer Hardness (Shore A) 55° ± 5°
Operating Temperature Range -45°C to +90°C (-49°F to +194°F)
Dynamic Load Capacity Withstands repeated articulation up to 15 kN peak load
Fatigue Life ≥ 300,000 cycles under standard test conditions
Oil Resistance Moderate; resistant to light oil mist only — not for immersion
Compression Deflection ~3–6 mm at rated load
Torsional Flexibility Allows angular adjustment during cab tilt


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