China factory Heavy Duty Truck Trailer Suspension Spare Part Germany Mechanical Suspension

Product Description

Product Description

 

 

 

Model Height of towing plate (mm) A1 (mm) A2 (mm) H (mm) Axle Loading (kg) Replacement
WDA2183908801 1180 441 433 183 13,000 * 2 FW885711A
WDA2223908801 1220 481 473 223 13,000 * 2 FW885712A
WDA2253908801 1250 511 503 253 13,000 * 2 FW885713A
WDA2164908801 1180 422 414 164 13,000 * 2 FW885711B
WDA2204908801 1220 462 454 204 13,000 * 2 FW885712B
WDA2234908801 1250 492 484 234 13,000 * 2 FW885713B

WD88.03 Tri (3-axle) Suspensions

Model Height of towing plate (mm) A1 (mm) A2 (mm) A3 (mm) H (mm) Axle Loading (kg) Replacement
WDA3185908801 1180 457 448 435 185 13,000 * 3 FW880301A
WDA3225908801 1220 497 488 475 225 13,000 * 3 FW880302A
WDA3255908801 1250 527 518 505 255 13,000 * 3 FW880303A
WDA3166908801 1180 438 429 416 166 13,000 * 3 FW880301B
WDA3206908801 1220 478 469 456 206 13,000 * 3 FW880302B
WDA3236908801 1250 508 499 486 236 13,000 * 3 FW880303B

 
Note:
(1) Demension “A1, A2, A3”: unladen
(2) Suitable for round/square axles
(3) Suggested leaf spring: 90×16×7 pcs

-WD86 Type Heavy Duty Suspension Series

WD86.02 Tandem (2-axle) Suspensions

Model Height of towing plate (mm) A1 (mm) A2 (mm) H (mm) Axle Loading (kg) Replacement
WDA2183908601 1180 473 465 183 16,000 * 2 FW865711A
WDA2223908601 1220 513 505 223 16,000 * 2 FW865712A
WDA2253908601 1250 543 535 253 16,000 * 2 FW865713A
WDA2164908601 1180 454 446 164 16,000 * 2 FW865711B
WDA2204908601 1220 494 484 204 16,000 * 2 FW865712B
WDA2234908601 1250 526 518 234 16,000 * 2 FW865713B

WD86.03 Tri (3-axle) Suspensions

Model Height of towing plate (mm) A1 (mm) A2
(mm)
A3 (mm) H (mm) Axle Loading (kg) Replacement
WDA3183908601 1180 489 480 467 183 16,000 * 2 FW860301A
WDA3223908601 1220 529 520 507 223 16,000 * 2 FW860302A
WDA3253908601 1250 599 550 537 253 16,000 * 2 FW860303A
WDA3164908601 1180 470 461 448 164 16,000 * 2 FW860301B
WDA3204908601 1220 510 501 588 204 16,000 * 2 FW860302B
WDA3234908601 1250 540 531 518 234 16,000 * 2 FW860303B

Note:
(1) Demension “A1, A2, A3”: unladen
(2) Suitable for round/square axles
(3) Suggested leaf spring: 90×16×9 pcs

-WD86 Type Heavy Duty Underslung Suspension Series

WD86.21 Tandem (2-axle) Underslung Suspensions

Model L1 (mm) L2 (mm) L3 (mm) L4 (mm) Axle Loading (kg) Replacement
WDA 495 1310 1135 1165 16,000 * 2 FW86.2/1310/250/BQ6/9
WDA 495 1360 1160 1190 16,000 * 2 FW86.2/1360/250/BQ6/9

WD86.31 Tandem (2-axle) Underslung Suspensions

Model L1 (mm) L2 (mm) L3 (mm) L4 (mm) Axle Loading (kg) Replacement
WDA 495 1310 1135 1165 16,000 * 2 FW86.3/1310/250/BQ6/9
WDA 495 1360 1160 1190 16,000 * 2 FW86.3/1360/250/BQ6/9

Note:
(1) Suitable for round/square axles
(2) Suggested leaf spring: 90×16×9 pcs

-WD68 Type Stamping Suspension Series

WD68.21 AR5 Tandem (2-axle) Suspensions

Model A1 (mm) A2 (mm) Axle Loading (kg) Replacement
WDA244571801 440 440 11,000 * 2 FW68.21HHAR05
WDA2415756801 415 415 11,000 * 2 FW68.21MMAR05
WDA239571801 390 390 11,000 * 2 FW68.21LLAR05
WDA244571802 440 415 11,000 * 2 FW68.21HMAR05
WDA2415756802 415 390 11,000 * 2 FW68.21MLAR05

WD68.31 AR5 Tri (3-axle) Suspensions

Model A1 (mm) A2 (mm) A3 (mm) Axle Loading (kg) Replacement
WDA344571801 440 440 440 16,000 * 2 FW68.31HHHAR05
WDA3415756801 415 415 415 16,000 * 2 FW68.31MMMAR05
WDA339571801 390 390 390 16,000 * 2 FW68.31LLLAR05
WDA344571802 440 415 390 16,000 * 2 FW68.21HMLAR05

Note:
(1) Demension “A1, A2, A3”: unladen
(2) Suitable for round/square axles
(3) Suggested leaf spring: 75×13×8 pcs

-WD66 Type Lightweight Suspension Series

WD66.22 AR5 Tandem (2-axle) Underslung Suspensions

Model A1 (mm) L1 (mm) L2 (mm) L3 (mm) Axle Loading (kg) Replacement
WDA239571601 390 482.5 1245 1105 10,000 * 2 FW66.2/1245/390/AR5/3L
WDA2415756601 415 482.5 1245 1105 10,000 * 2 FW66.2/1245/390/AR5/3L
WDA244571601 440 482.5 1245 1105 10,000 * 2 FW66.2/1245/390/AR5/3L

Note:
(1) Demension “A1, A2, A3”: unladen
(2) Suitable for round/square axles
(3) Suggested leaf spring: 75×22×3 pcs

-WD20 Type Heavy Duty Suspension Series

WD20.02 Tandem (2-axle) Suspensions

Model Height of towing plate (mm) A1 (mm) A2 (mm) H (mm) Axle Loading (kg) Replacement
WDA2183157101 1180 489 481 183 20,000 * 2 FW25711A
WDA2223157101 1220 529 521 223 20,000 * 2 FW25712A
WDA2253157101 1250 559 551 253 20,000 * 2 FW25713A
WDA2164157101 1180 470 462 164 20,000 * 2 FW25711B
WDA 1220 510 502 204 20,000 * 2 FW25712B
WDA2234157101 1250 540 532 234 20,000 * 2 FW25713B

WD20.03 Tri (3-axle) Suspensions

Model Height of towing plate (mm) A1 (mm) A2 (mm) A3 (mm) H (mm) Axle Loading (kg) Replacement
WDA3183157101 1180 505 496 483 183 20,000 * 2 FW200301A
WDA3223157101 1220 545 536 523 223 20,000 * 2 FW200302A
WDA3253157101 1250 575 566 553 253 20,000 * 2 FW200303A
WDA3164157101 1180 486 477 464 164 20,000 * 2 FW200301B
WDA 1220 526 517 504 204 20,000 * 2 FW200302B
WDA3234157101 1250 556 547 534 234 20,000 * 2 FW200303B

Note:
(1) Demension “A1, A2, A3”: unladen
(2) Suitable for round/square axles
(3) Suggested leaf spring: 100×16×10 pcs

German type Suspension Series (BPW type)

WDGB02 Tandem (2-axle) Suspensions

Model H (mm) A (mm) C (mm) D (mm) E (mm) Leaf spring
WDGB21551001201 155 490 1295 615 2610 100×12×12
WDGB21551001401 155 514 1295 615 2610 100×12×14

WDGB03 Tri (3-axle) Suspensions

Model H (mm) A (mm) C (mm) D (mm) E (mm) Leaf spring
WDGB31551001201 155 490 1295 615 3970 100×12×12
WDGB31551001401 155 514 1295 615 3970 100×12×14

Note:
(1) Demension “A”: unladen
(2) Suitable for round/square axles
(3) Suggested leaf spring: 100×12×12 pcs, 100×14×12 pcs, 100×12×14 pcs

German type Suspension Series (SAF type)

WDGS02 Tandem (2-axle) Suspensions

Model H (mm) A (mm) C (mm) D (mm) E (mm) Leaf spring
WDGS21551001201 155 500 1295 615 2610 100×12×12
WDGS21551001401 155 524 1295 615 2610 100×12×14

WDGS03 Tri (3-axle) Suspensions

Model H (mm) A (mm) C (mm) D (mm) E (mm) Leaf spring
WDGS21551001201 155 500 1295 615 2610 100×12×12
WDGS21551001401 155 524 1295 615 2610 100×12×14

Note:
(1) Demension “A”: unladen;Note:
(2) Suitable for round/square axles
(3) Suggested leaf spring: 100×12×12 pcs, 100×14×12 pcs, 100×12×14 pcs

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FAQ

1Q: CAN YOU DESIGN AND PRODUCE THE PRODUCTS WE WANT?

A:We Have Rich Experience And Strong Technical Support To Design And Produce By Your Samples Or Drawings.Warmly Welcomed For Your Samples Or Drawing.

2Q:WHAT’S THE PROCESS OF PURCHASING ORDERS FROM YOU? 
A:1.Send Us Your Specific Demand,Such As Oem Numbers, Photos, Trailer Models,Ect. 
2.Confirm Our Quotation With Photos And Other Detials.
3.Negotiate About All Details You Need: Packing, Delivery Terms,Warranty, Ect. 
4.Sign The Contract For The Payment,We Will Make The Production On Time.

3Q.WHAT IS YOUR TERMS OF PAYMENT?
A: T/T 30% As Deposit, And 70% Before Delivery. 
L/C,T/T,D/P, Western Union,Paypal,Money Gram, Others
Photos And Videos Of The Products Will Be Provided Before Your Balance Payment.

4Q :WE WANT TO TRY IN A SMALL QUANTITY AS TRIAL ORDER,BUT LESS THAN YOUR MOQ. WHAT IS YOUR POLICY?
Sample Test And Sample Orders Could Be Accepted If We Have Ready Parts In Stock.

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trailer suspension

What advantages do certain types of trailer suspensions offer compared to others?

Different types of trailer suspensions offer distinct advantages over others based on their design and characteristics. Here’s a detailed explanation:

  • Leaf Spring Suspensions:
  • Leaf spring suspensions offer the following advantages:

    • Durability: Leaf springs are known for their robust construction and ability to withstand heavy loads and rough road conditions. They can handle high load capacities, making them suitable for trailers carrying substantial weight.
    • Load-Carrying Capacity: Leaf springs provide excellent load-carrying capacity, distributing the weight evenly across the axles. This helps maintain stability and prevents excessive sagging or bottoming out.
    • Cost-Effectiveness: Leaf spring suspensions are often more affordable compared to other types, making them a popular choice in many trailer applications.
  • Torsion Axle Suspensions:
  • Torsion axle suspensions offer the following advantages:

    • Smooth Ride: Torsion axles provide independent suspension for each wheel, resulting in improved shock absorption and a smoother ride. They effectively isolate each wheel from the others, reducing the transfer of vibrations and impacts to the trailer and towing vehicle.
    • Lower Ride Height: Torsion axles have a lower profile compared to leaf springs, allowing for a lower trailer ride height. This can be advantageous for trailers that need to have a lower center of gravity or require easier loading and unloading.
    • Maintenance: Torsion axles typically require less maintenance compared to other types of suspensions. They have fewer moving parts and don’t require regular lubrication or adjustments.
  • Air Suspensions:
  • Air suspensions offer the following advantages:

    • Adjustability: Air suspensions provide adjustable ride height and stiffness. This allows for fine-tuning the suspension based on varying load conditions, providing optimal performance and improved ride quality.
    • Superior Shock Absorption: Air suspensions are known for their excellent shock absorption capabilities. The airbags absorb shocks and vibrations, resulting in a smoother and more comfortable ride for both the trailer and towing vehicle.
    • Leveling and Self-Adjustment: Air suspensions can automatically level the trailer and compensate for uneven loads. This helps maintain proper ride height and weight distribution, enhancing stability and handling.

It’s important to note that the advantages mentioned above are generalizations, and the suitability of a particular suspension type depends on the specific trailer application and requirements. Factors such as load capacity, intended use, road conditions, and budget should be considered when selecting the most appropriate suspension type.

In summary, different types of trailer suspensions offer advantages based on their design and characteristics. Leaf spring suspensions provide durability and load-carrying capacity, torsion axle suspensions offer a smooth ride and lower ride height, and air suspensions provide adjustability and superior shock absorption. Choosing the right suspension type involves evaluating the specific needs of the trailer application to ensure optimal performance, stability, and ride comfort.

trailer suspension

Can you provide insights into the importance of proper installation and alignment of trailer suspensions?

Proper installation and alignment of trailer suspensions are critical factors that significantly impact the performance, safety, and longevity of trailers. Here are insights into their importance:

  • 1. Safety: Correct installation and alignment ensure that the trailer operates safely. A properly aligned suspension system helps maintain stability during turns, reduces the risk of rollovers, and enhances overall control when towing.
  • 2. Even Tire Wear: Proper alignment prevents uneven tire wear, which can lead to premature tire replacement and increased operating costs. By distributing the load evenly, alignment helps extend tire life and improves fuel efficiency.
  • 3. Handling and Maneuverability: Accurate alignment enhances the trailer’s handling and maneuverability. It allows for smoother turns and better response to steering inputs, making it easier for the driver to control the trailer, especially in tight spaces or when navigating challenging terrain.
  • 4. Reduced Maintenance Costs: Properly installed and aligned suspensions require less maintenance. When components are correctly positioned and functioning as designed, they experience less stress and wear, resulting in fewer repairs and lower maintenance costs over the trailer’s lifespan.
  • 5. Load Distribution: Alignment ensures that the weight is evenly distributed across all axles and wheels. This prevents overloading of specific components and helps maintain the structural integrity of the trailer, preventing potential damage or failures.
  • 6. Improved Fuel Efficiency: When a trailer’s suspension is correctly aligned, it reduces rolling resistance. Lower rolling resistance means less effort is required to tow the trailer, which translates into improved fuel efficiency and cost savings over time.
  • 7. Enhanced Ride Comfort: Proper alignment contributes to a smoother and more comfortable ride for the driver and minimizes cargo movement within the trailer. This is particularly important when transporting delicate or sensitive goods.
  • 8. Regulatory Compliance: In many regions, there are regulations and standards that govern trailer alignment and suspension installation. Adhering to these regulations ensures compliance with safety and roadworthiness requirements, preventing potential legal issues.
  • 9. Extended Equipment Lifespan: Correctly installed and aligned suspensions reduce stress on components, such as axles, springs, and bearings. This, in turn, extends the lifespan of these critical parts, reducing the need for premature replacements.
  • 10. Overall Performance: Proper installation and alignment contribute to the overall performance of trailers. Whether it’s hauling heavy loads or ensuring a smooth ride for sensitive cargo, alignment plays a pivotal role in achieving the desired performance outcomes.

In conclusion, the proper installation and alignment of trailer suspensions are essential for safety, efficiency, and cost-effectiveness. Neglecting these aspects can lead to a range of issues, from increased maintenance expenses to compromised safety on the road. Therefore, it’s crucial for trailer operators to prioritize and regularly check the installation and alignment of their suspension systems.

trailer suspension

In what types of trailers are suspensions commonly used, and how do they vary?

Suspensions are commonly used in various types of trailers to provide support, stability, and shock absorption. Here’s a detailed explanation:

  • Types of Trailers:
  • Suspensions are commonly found in the following types of trailers:

    • 1. Utility Trailers: Utility trailers, including flatbed trailers, equipment trailers, and landscape trailers, often feature suspensions. These trailers are designed to transport a wide range of materials, equipment, or goods and require suspensions to ensure load support, stability, and a smoother ride.
    • 2. Enclosed Trailers: Enclosed trailers, such as cargo trailers and box trailers, are commonly equipped with suspensions. These trailers are used for transporting goods that require protection from the elements and benefit from suspensions to absorb shocks, enhance stability, and protect the cargo.
    • 3. Livestock Trailers: Livestock trailers, used for transporting animals, typically have suspensions to provide a smoother ride and minimize stress on the animals. The suspensions help absorb shocks and vibrations, ensuring the well-being and safety of the livestock during transportation.
    • 4. RV Trailers: Recreational vehicles (RVs), including travel trailers and fifth-wheel trailers, utilize suspensions to enhance comfort and stability. These trailers are designed for living and leisure purposes and benefit from suspensions to provide a smoother ride, reduce vibrations, and improve overall towing experience.
    • 5. Boat Trailers: Boat trailers, used for transporting boats to and from the water, often feature suspensions. These suspensions help absorb road shocks and vibrations, ensuring the safety of the boat during transportation and minimizing potential damage to the hull and other components.
  • Variations in Suspensions:
  • Suspensions used in trailers can vary based on their design, construction, and intended use. Here are some common variations:

    • 1. Leaf Spring Suspension: Leaf spring suspensions are widely used in trailers and consist of multiple layers of curved metal strips (leaves) that flex and absorb shocks. They are known for their durability, load-carrying capacity, and cost-effectiveness.
    • 2. Coil Spring Suspension: Coil spring suspensions use helical coil springs to provide support and shock absorption. They offer a smoother ride and are commonly used in trailers that require improved comfort, such as RVs or enclosed trailers.
    • 3. Torsion Axle Suspension: Torsion axle suspensions use a rubberized torsion arm system to provide independent suspension for each wheel. They offer excellent shock absorption, improved stability, and are commonly used in utility trailers and RVs.
    • 4. Air Suspension: Air suspensions utilize airbags to support the trailer’s weight and provide adjustable suspension stiffness. They offer a high level of adjustability, enhanced ride quality, and are commonly used in heavy-duty trailers or specialized applications.
    • 5. Independent Suspension: Independent suspensions allow each wheel to move independently, providing superior shock absorption and stability. They are commonly used in high-end trailers, including luxury RVs or high-performance trailers.

In summary, suspensions are commonly used in utility trailers, enclosed trailers, livestock trailers, RV trailers, and boat trailers. The choice of suspension varies based on trailer type and requirements. Common variations include leaf spring suspension, coil spring suspension, torsion axle suspension, air suspension, and independent suspension. Each type offers specific benefits in terms of load support, shock absorption, stability, and ride quality, catering to the diverse needs of different trailer applications.

China factory Heavy Duty Truck Trailer Suspension Spare Part Germany Mechanical Suspension  China factory Heavy Duty Truck Trailer Suspension Spare Part Germany Mechanical Suspension
editor by Dream 2024-05-16