RUSSIAN SPANISH
logo13-1
Beiben Upper Rear Enclosure Assembly
Beiben Upper Rear Enclosure Assembly
2025-06-22
Beiben Rear Enclosure And Roof, Side Enclosure
Beiben Rear Enclosure And Roof, Side Enclosure
2025-06-22

Beiben Lower Rear Enclosure Assembly

Beiben Lower Rear Enclosure Assembly
Beiben Lower Rear Enclosure Assembly
Download Catalog
Get Quotation

What is the Beiben Lower Rear Enclosure Assembly？

  • Beiben Lower Rear Enclosure Assembly​
  • Engineered to deliver robust structural support, impact resistance, and seamless component integration, the Beiben Lower Rear Enclosure Assembly is a critical subsystem for commercial vehicle cabs. Combining a heavy-duty Crossmember with precision Weld Nuts and strategically placed Brackets, this assembly ensures optimal load distribution, protection against road debris, and long-term durability in harsh operational environments.​
  • Core Structural Framework: Heavy-Duty Crossmember​
  • At the heart of the assembly is a high-strength Crossmember, constructed from hot-rolled steel (tensile strength ≥ 600 MPa) with an I-beam profile to maximize rigidity while minimizing weight. This crossmember spans the width of the cab’s rear lower section, connecting the left and right side frames to form a stable base for the enclosure. Its surface features pre-machined mounting flanges and laser-cut slots for easy integration with the chassis, suspension components, and rear bumper systems. A galvanized coating (ISO 1461-compliant) provides superior corrosion resistance, ideal for vehicles operating in salt-laden or high-moisture environments.​
  • Secure Fastening System: Weld Nuts & Brackets​
  • A network of Weld Nuts (M8–M12, grade 10) is projection-welded to the crossmember and enclosure panels, creating permanent threaded mounting points for accessories like mud flaps, exhaust brackets, and trailer hitches. These nuts undergo magnetic particle inspection to ensure zero weld defects, with a torque retention capacity of 40–60 N·m to withstand vibrations (tested at 25G acceleration). Four Brackets—each designed for specific functional roles—enhance the assembly’s versatility:​
  • Suspension Mount Bracket: A thickened steel bracket (5mm thickness) secures the rear suspension to the crossmember, featuring reinforced gussets to handle dynamic loads up to 10 metric tons.​
  • Cable Management Bracket: A U-shaped aluminum bracket routes wiring harnesses away from moving parts, with rubber-lined channels to prevent abrasion and electrical shorting.​
  • Exhaust Hanger Bracket: A heat-resistant stainless steel bracket isolates exhaust systems from the enclosure, reducing noise transfer and protecting against thermal stress.​
  • Rear Step Bracket: A stamped steel bracket supports access steps, with non-slip treads and load ratings of 300 kg to ensure safety during maintenance.​
  • Engineering Excellence for Durability​
  • The assembly undergoes rigorous testing to validate performance:​
  • Crossmember Rigidity: Deflection under full load is limited to ≤1.5mm, as confirmed by Finite Element Analysis (FEA), ensuring minimal flex during high-speed travel or off-road use.​
  • Weld Nut Corrosion Resistance: Salt-spray tested for 1,000+ hours, maintaining thread integrity and torque values without signs of rust.​
  • Bracket Impact Resistance: Each bracket withstands 80 Joules of force (simulating heavy cargo drops), with no deformation or weld failure observed.​
  • Performance and Operational Benefits​
  • The Beiben Lower Rear Enclosure Assembly delivers critical advantages for commercial fleets:​
  • Structural Integrity: The Crossmember and Brackets distribute chassis loads evenly, reducing stress on adjacent components by 30% and extending their lifespan.​
  • Maintenance Efficiency: Modular Bracket design allows quick replacement of wear parts without disassembling the entire enclosure, cutting downtime by 20%.​
  • Regulatory Compliance: Meets global standards like ECE R66 for rear impact protection, ensuring safety and avoiding certification delays.​
  • Conclusion: Reliable Rear Support for Heavy-Duty Vehicles​
  • The Beiben Lower Rear Enclosure Assembly sets a standard for strength, versatility, and durability in commercial vehicle engineering. By integrating a high-strength Crossmember, secure Weld Nuts, and purpose-built Brackets, Beiben ensures this assembly withstands the most punishing conditions while facilitating efficient maintenance and component integration. It exemplifies the brand’s commitment to precision engineering, providing a trusted solution for fleets that demand uncompromising performance and safety.​

Product Parameters of Beiben Lower Rear Enclosure Assembly

No. Part Number Part Name English  Quantity
1 398 642 00 14 Crossmember 1
2 113681 008000 Weld Nut 4
3 113681 006000 Weld Nut 2
4 398 642 01 09 Bracket 2
5 398 642 02 09 Bracket 2
6 398 642 00 31 Bracket 2
7 506 642 01 09 Bracket 1
 

Related Beiben Truck Spare Parts

Didn'T Find Your Truck Model?

If you have any problems or questions, please get in touch with us, we will
provide you with the best service.

Contact Us
logo-footer-2

We are a first-class heavy duty vehicles and spare parts supplier in China. which covers from engine, gearbox, cab, axle assemblies to main assembly accessories, electrical parts and other chassis parts like brake, clutch and steering parts.

Our Vehicle

Our Parts

Our Services

Subscribe Now

A PROFESSIONAL CHINA TRUCK AND SPARE PARTS SUPPLIER

@Copyright DERUNA

ONLINE MESSAGE

If you have any questions, please feel free to leave us a message. We will respond within 12 hours! Become our customer and we will provide you with catalog services for free.