China supplier High Quality Tridem Leaf Spring American Type Tandem Trailer Suspension From China Manufacturer

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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After-sales Service: 12 Month Warranty
Warranty: 12 Month Warranty
Material: Galvanized Sheet
Samples:
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trailer suspension

Please answer in detail: What maintenance practices are recommended for trailer suspensions to ensure optimal functionality?

Proper maintenance of trailer suspensions is crucial to ensure optimal functionality, enhance safety, and extend the lifespan of components. Here are recommended maintenance practices for trailer suspensions:

  • 1. Regular Inspections: Conduct routine visual inspections of the entire suspension system, including springs, hangers, bushings, and mounting hardware. Look for signs of wear, corrosion, or damage. Inspect for loose or missing components and address any issues promptly.
  • 2. Lubrication: Ensure that all moving parts, such as bushings and pivot points, are adequately lubricated. Lubrication reduces friction, minimizes wear, and promotes smooth movement. Follow the manufacturer’s recommendations for the type and frequency of lubrication.
  • 3. Check Spring Alignment: Verify that leaf springs are correctly aligned and not showing signs of misalignment. Misaligned springs can lead to uneven tire wear and affect the stability of the trailer. Correct any misalignments as needed.
  • 4. Inspect Shocks and Dampers: Check shock absorbers or dampers for leaks, visible damage, or signs of reduced effectiveness. Worn or damaged shocks can compromise ride quality and handling. Replace shocks that show signs of wear or failure.
  • 5. Monitor Air Suspension Systems: If the trailer is equipped with air suspension, regularly inspect airbags, valves, and associated components. Check for leaks, proper inflation, and ensure that air suspension components are in good working condition. Address any air leaks promptly.
  • 6. Torque Check for Fasteners: Periodically check and torque all fasteners, including bolts, nuts, and U-bolts. Loose or improperly tightened fasteners can lead to component failure and compromise the integrity of the suspension system.
  • 7. Check Suspension Alignment: Verify that the suspension components are properly aligned. Misaligned components can cause uneven tire wear and affect the handling of the trailer. Correct any alignment issues to ensure even weight distribution.
  • 8. Inspect Bushings and Wear Points: Check for wear on bushings and other wear points in the suspension system. Excessive wear can lead to play in the components and affect the trailer’s stability. Replace worn bushings and components as part of routine maintenance.
  • 9. Examine Brake Components: Inspect brake components, including drums, pads, and calipers. Ensure that the brakes are functioning correctly and that there is even wear on the brake components. Replace any worn or damaged brake parts promptly.
  • 10. Perform Wheel Alignment: Maintain proper wheel alignment to prevent irregular tire wear and ensure straight-line stability. Misaligned wheels can place additional stress on suspension components and lead to premature wear.
  • 11. Address Unusual Noises: Pay attention to any unusual noises coming from the suspension during operation. Clunks, squeaks, or rattles may indicate underlying issues. Investigate and address the source of unusual noises promptly.
  • 12. Follow Manufacturer Recommendations: Adhere to the manufacturer’s recommended maintenance schedule and guidelines. Manufacturers provide specific instructions for maintaining their suspension systems, and following these recommendations is essential for optimal performance and warranty compliance.
  • 13. Consider Professional Inspections: Periodically, consider having the trailer suspension system professionally inspected. Trained technicians can identify potential issues that may not be visible during routine inspections, ensuring comprehensive maintenance.

By incorporating these maintenance practices into a routine schedule, trailer owners and operators can help ensure that the suspension system operates optimally, promoting safety, reliability, and longevity.

trailer suspension

How do trailer suspensions contribute to the adaptability and versatility of trailers in various settings?

Trailer suspensions play a pivotal role in enhancing the adaptability and versatility of trailers across different settings and applications. They provide several key benefits that contribute to the overall performance and functionality of trailers:

  • 1. Load Handling: Trailer suspensions are designed to support and distribute the weight of various types of cargo. Whether it’s heavy construction materials, fragile goods, or specialized equipment, the suspension system ensures that the trailer can handle the load effectively without compromising stability.
  • 2. Terrain Adaptability: Trailer suspensions are engineered to adapt to different terrains, including rough roads, off-road trails, and uneven surfaces. This adaptability allows trailers to navigate challenging environments, making them suitable for construction sites, agricultural fields, and remote areas.
  • 3. Smoother Ride: A well-designed suspension system contributes to a smoother and more comfortable ride for both the trailer and its cargo. This is essential for transporting delicate or sensitive goods, as it reduces the risk of damage and ensures a better overall experience for the driver.
  • 4. Stability and Control: Suspensions improve the stability and control of trailers, especially when making turns, navigating corners, or driving at high speeds. This enhances safety on the road and minimizes the risk of accidents or rollovers.
  • 5. Versatile Attachment Points: Many trailer suspensions feature versatile attachment points that allow for various configurations and types of trailers. This adaptability means that a single suspension system can be used for different trailer designs, providing cost-effective solutions.
  • 6. Load Distribution: Trailer suspensions distribute the weight evenly across multiple axles. This even weight distribution prevents excessive strain on individual components and tires, reducing wear and extending the lifespan of the trailer.
  • 7. Adjustable Features: Some suspensions come with adjustable features such as airbags or adjustable shock absorbers. These features allow operators to fine-tune the suspension’s performance based on the specific needs of the load and terrain, further enhancing adaptability.
  • 8. Maintenance Ease: Properly maintained suspensions are easier to service and repair, making trailers more adaptable in situations where maintenance or repairs are required in remote or challenging locations.

In summary, trailer suspensions are integral to the adaptability and versatility of trailers in various settings. They enable trailers to handle different loads, terrains, and conditions while ensuring safety, stability, and a smoother ride. By selecting the right suspension system and maintaining it effectively, trailer operators can optimize their trailers for a wide range of applications and environments.

trailer suspension

How does the design of a trailer suspension impact the overall stability and comfort during towing?

The design of a trailer suspension has a significant impact on the overall stability and comfort during towing. Here’s a detailed explanation:

  • Stability:
  • The design of the trailer suspension directly affects the stability of the trailer during towing:

    • 1. Weight Distribution: A well-designed suspension system ensures proper weight distribution across the trailer’s axles. It helps distribute the load evenly, preventing excessive weight on one axle and reducing the risk of overloading. Proper weight distribution enhances stability by maintaining the trailer’s balance and reducing the likelihood of swaying or fishtailing.
    • 2. Center of Gravity: The suspension design plays a crucial role in managing the trailer’s center of gravity. A lower center of gravity improves stability by reducing the trailer’s tendency to tip or sway. Suspension systems with lower mounting points or those that incorporate features like torsion axles or independent suspension help lower the center of gravity and enhance overall stability.
    • 3. Suspension Geometry: The geometry of the suspension system impacts stability by influencing factors such as wheel alignment, tracking, and roll resistance. A well-designed suspension geometry ensures that the wheels track properly, minimizing sideways movement and improving stability during turns or lane changes.
    • 4. Damping Capability: The suspension design affects the damping capability, which refers to the system’s ability to absorb and dissipate shocks. Effective shock absorption reduces the transfer of vertical forces to the trailer, minimizing bouncing, oscillation, and excessive vertical movement. This helps maintain stability by preventing the trailer from becoming unsettled on uneven roads or encountering destabilizing forces.
  • Comfort:
  • The design of the trailer suspension also impacts the comfort experienced during towing:

    • 1. Shock Absorption: A well-designed suspension system effectively absorbs shocks and vibrations caused by road irregularities, bumps, or potholes. It utilizes components such as springs and shock absorbers to cushion the trailer, providing a smoother and more comfortable ride. Effective shock absorption reduces the jolts and vibrations felt inside the towing vehicle and minimizes the transfer of these forces to the cargo being transported.
    • 2. Ride Quality: The suspension design influences the overall ride quality of the trailer. A suspension system that balances load support and shock absorption provides a more comfortable towing experience. It reduces excessive bouncing, pitching, or swaying, enhancing comfort for both the driver and passengers in the towing vehicle.
    • 3. Noise and Vibration: A well-designed suspension system helps minimize noise and vibration during towing. It reduces the transmission of road-induced vibrations and impacts to the trailer’s frame and components. This results in a quieter and smoother ride, enhancing overall comfort and reducing driver fatigue.
    • 4. Trailer Sway: The design of the suspension system can impact the trailer’s susceptibility to sway. Suspension systems that incorporate features like sway control mechanisms, independent suspension, or torsion axles offer improved resistance against trailer sway, enhancing stability and comfort during towing.

In summary, the design of a trailer suspension significantly influences the overall stability and comfort during towing. A well-designed suspension system ensures proper weight distribution, manages the center of gravity, optimizes suspension geometry, and provides effective shock absorption. It enhances stability by reducing swaying, improving tracking, and minimizing vertical movement. Additionally, it improves comfort by absorbing shocks, reducing noise and vibration, and minimizing trailer sway. Choosing a suitable suspension design that meets the specific towing requirements is essential for achieving a stable and comfortable towing experience.

China supplier High Quality Tridem Leaf Spring American Type Tandem Trailer Suspension From China Manufacturer  China supplier High Quality Tridem Leaf Spring American Type Tandem Trailer Suspension From China Manufacturer
editor by CX 2024-04-16