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Tongli Wide-body Mine Truck, Dump Truck Torsion Bar Control Arm 89029010010

The Part No. 89029010010 is an original equipment Rear Suspension Thrust Rod Assembly (also known as "Torque Rod" or "Drag Link") manufactured by Shaanxi Tonly (Tongli) specifically for heavy-duty mining dump trucks. As a core component of the rear axle locating system on wide-body articulated dumpers, this thrust rod plays a critical role in maintaining chassis stability, transferring longitudinal forces, and ensuring precise wheel alignment under extreme operational conditions.

Designed for use in high-load, high-vibration environments typical of open-pit mines and large-scale construction sites, this I-beam style drag link ensures reliable connection between the rear axle housing and the main frame. Its robust construction, durable rubber-bushed joints, and corrosion-resistant coating make it ideal for vehicles operating under continuous stress from acceleration, braking, and rough terrain impacts.
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  • 89029010010

  • Tonly Mining Dump Trucks

Attribute Specification
Part Number 89029010010
Alternative Numbers 87029110002, 87029110080, LGMG 4110702875
Component Name Rear Suspension Thrust Rod Assembly / Drag Link
Structure Type I-Beam Straight Rod Design
Application Position Rear Axle – Longitudinal Force Transmission
Primary Fitment Shaanxi Tonly TL875, TL855, TL885 Series Wide-Body Dump Trucks
Load Class 60–90 Ton Mining Duty
Main Material High-Strength Seamless Alloy Steel Tube (Thick-Walled)
End Joint Type Press-Fitted Rubber Ball Joints / Bushings
Mounting Center Distance 600 mm – 800 mm (model-dependent; verify per vehicle batch)
Weight 18.5 kg – 22 kg (reinforced design)
Coating/Finish Industrial Heavy-Duty Anti-Corrosion Paint Coating
Function Controls axle fore-aft movement, provides torsional rigidity, absorbs shock loads
扭杆控制臂-3


扭杆控制臂-1


Parameter Value / Detail
Rod Body Construction Cold-drawn seamless alloy steel tube with enhanced wall thickness (~12–16 mm)
Yield Strength (Typical) ≥ 650 MPa
Tensile Strength ≥ 780 MPa
Buckling Resistance Optimized for high compressive loads during braking
Rubber Bushing Hardness 70–85 Shore A (oil- and abrasion-resistant NBR or EPDM compound)
Angular Deflection Capacity ±5° at each end (allows articulation while maintaining structural integrity)
Fatigue Life (Simulated) >500,000 cycles under full-load vibration testing
Operating Temperature Range -40°C to +120°C
Environmental Resistance Resistant to mud, saltwater, slurry, and industrial contaminants


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