China supplier Small Trailer Axle Tandem Axle Trailer Air Suspension

Product Description

  1. Special heat-treat alloy steel axle beam, it has the virtues of good synthetic performance, strong load ability and lower self weight.
  2. Wholly heat treatment for high quality alloy forged CHINAMFG spindle, providing superior fatigue capability.
  3. High performance asbestos free brake linings extend service life.
  4. Camshaft matching with special seals, can ensure no entry of the grease into the brake drum thus axle will be more safety.
  5. Mobil grease lengthens maintenance-free time.
  6. Bearing is the domestic top brand, with the advantages of over loading capability, high rotating speed,good intensity, abrade resistant and heat resistant.
  7. Wheel nut is made of alloy steel with high strength, good tensile and bending resistance,not easy to break.
  8. Key components of axle are processed by digital equipment, complied with the international standard. Special requirements can also be meet as per client’s request

Axle – American Type Inboard Series

Model

Capacity Brake Track Distance of Spring Distance of Brake Chamber Axle tube Wheel Fixing Bearing Total Length Weight Recommend wheel
T mm mm mm mm mm Stud P.C.D. C.B.D.   mm kg  
UTA13RA03B2 13 420×180 1840 ≥930 390 127
x19
10-M22x1.5
ISO
335 281 518445/10 2185 372 7.5-20
UTA13RA03B3 13 420×200 1840 ≥930 370 127
x19
10-M22x1.5
ISO
335 281 518445/10 2185 385 7.5-20
UTA13RA02B2 13 420×180 1840 ≥930 390 127
x19
10-M22x1.5
ISO
285.75 221 518445/10 2185 372 7.5-20
UTA13RA07B2 13 420×180 1840 ≥930 390 127
x19
8-M20x1.5
JAP
285 221 518445/10 2185 372 7.5-20
UTA13SB03B2 13 420×180 1840 ≥930 390 150 10-M22x1.5
ISO
335 281 518445/10 2185 372 7.5-20
UTA13SB03B3 13 420×200 1840 ≥930 370 150 10-M22x1.5
ISO
335 281 518445/10 2185 385 7.5-20
UTA13SB02B2 13 420×180 1840 ≥930 390 150 10-M22x1.5
ISO
285.75 221 518445/10 2185 372 7.5-20
UTA13SB07B2 13 420×180 1840 ≥930 390 150 8-M20x1.5
JAP
285 221 518445/10 2185 372 7.5-20
UTA16RA03B4 16 420×220 1850 ≥940 360 127
x25
10-M22x1.5
ISO
335 281 518445/220149 2205 430 20″
UTA16SB03B4 16 420×220 1850 ≥940 360 150 10-M22x1.5
ISO
335 281 518445/220149 2205 430 20″

Axle – American Type Outboard Series

Model

Capacity Brake Track Distance of Spring Distance of Brake Chamber Axle tube Wheel Fixing Bearing Total Length Weight Recommend wheel
T mm mm mm mm mm Stud P.C.D. C.B.D.   mm kg  
UTA13RA12B2 13 420×180 1840 ≥930 390 127
x19
10-M22x1.5
ISO
335 281 518445/518445 2185 378 7.5-20
UTA13RA12B3 13 420×200 1840 ≥930 370 127
x19
10-M22x1.5
ISO
335 281 518445/518445 2185 390 7.5-20
UTA13RA11B2 13 420×180 1840 ≥930 390 127
x19
10-M22x1.5
ISO
285.75 221 518445/518445 2185 378 7.5-20
UTA13RA11B3 13 420×200 1840 ≥930 370 127
x19
10-M22x1.5
ISO
285.75 221 518445/518445 2185 390 7.5-20
UTA13SB12B2 13 420×180 1840 ≥930 390 150 10-M22x1.5
ISO
335 281 518445/518445 2185 378 7.5-20
UTA13SB12B3 13 420×200 1840 ≥930 370 150 10-M22x1.5
ISO
335 281 518445/518445 2185 390 7.5-20
UTA13SB11B2 13 420×180 1840 ≥930 390 150 10-M22x1.5
ISO
285.75 221 518445/518445 2185 378 7.5-20
UTA13SB11B3 13 420×220 1840 ≥930 350 150 10-M22x1.5
ISO
285.75 221 518445/518445 2185 378 7.5-20
UTA13SB14B2 13 420×180 1840 ≥930 390 150 8-M20x1.5
JAP
285 221 518445/518445 2185 378 7.5-20
UTA16SB12B4 16 420×220 1850 ≥940 360   150 10-M22x1.5
ISO
335 281 518445/220149 2205 440 8.00-20

Axle – American Type 127 Square and 146 Round Series

Model

Capacity Brake Track Distance of Spring Distance of Brake Chamber Axle tube Wheel Fixing Bearing Total Length Weight Recommend wheel
T mm mm mm mm mm Stud P.C.D. C.B.D.   mm kg  
UTA13SA12B3 13 420×200 1816 ≥916 356  127 10-M22x1.5
ISO
335 281 518445/518445 2176 360 7.5-20
UTA13SA11B3 13 420×200 1816 ≥916 356  127 10-M22x1.5
ISO
285.75  221 518445/518445 2176 360 7.5-20
UTA13SA14B3 13 420×200 1816 ≥916 356  127 8-M20x1.5
JAP
285 221 518445/518445 2176 360 7.5-20
UTA13SA17B3 13 420×200 1816 ≥916 356  127 10×7/8″-11
BSF
335 281 518445/518445 2176 360 7.5-20
UTA16SA12B4 16 420×220 1850 ≥940 350  127 10-M22x1.5
ISO
335 281 518445/220149 2200 400 8.0-20
UTA13RB11B2 13 420×180 2121 680  146x
19
10-M22x1.5
ISO
285.75 221 518445/220149 2461 380 7.5-20

Axle – Germany Series
 

Model

Capacity Brake Track Distance of Spring Distance of Brake Chamber Axle tube Wheel Fixing Bearing Total Length Weight Recommend wheel
T mm mm mm mm mm Stud P.C.D. C.B.D.   mm kg  
UTG12SB03B2 12 420×180 1840 ≥940 440 150 10-M22x1.5
ISO
335 281 33213/
33118
2172 370 8.00-20
UTG12SB03B3 12 420×200 1840 ≥940 375 150 10-M22x1.5
ISO
335 281 33213/
33118
2172 397 8.00-20
UTG12SB19B2 12 420×180 1870 ≥980 395 150 6-M20x1.5 33213/
33118
2155 430 8.0-20
UTG12SB19B3 12 420×200 1870 ≥980 395 150 6-M20x1.5 33213/
33118
2155 450 8.5-20
UTG14SB03B2 14 420×180 1840 ≥950 380 150 10-M22x1.5
ISO
335 281 33215/
32219
2222 400 8.00-20
UTG14SB03B3 14 420×200 1840 ≥950 360 150 10-M22x1.5
ISO
335 281 33215/
32219
2222 417 8.00-20
UTG14SB19B3 14 420×200 1870 ≥900 250 150 6-M20x1.5 33215/
32219
2192 462 8.5-20
UTG16SB03B2 16 420×180 1850 ≥950 390 150 10-M22x1.5
ISO
335 281 32314/
32222
2293 450 8.5-20
UTG16SB03B3 16 420×200 1850 ≥950 390 150 10-M22x1.5
ISO
335 281 32314/
32222
2293 459 8.5-20
UTG16SB03B4 16 420×220 1850 ≥950 390 150 10-M22x1.5
ISO
335 281 32314/
32222
2293 465 8.5-20
UTG16SB19B3 16 420×200 1870 ≥900 253 150 6-M20x1.5 32314/
32222
2260 566 8.5-24

Model

Capacity Brake Track Distance of Spring Distance of Brake Chamber Axle tube Wheel Fixing Bearing Total Length Weight Recommend wheel
T mm mm mm mm mm Stud P.C.D. C.B.D.   mm kg  
UTL11RA01B1 11 311×190 1820 ≥920 270 127
x16
10-M22x1.5 ISO 225 176 518445/518445 2166 275 6.5-15
17.5×6.75

Axle – Farm Axle Brake Series

Model Capacity Brake Track Axle tube Wheel Fixing Bearing DIM D
T mm mm mm Stud P.C.D. C.B.D.   mm
UTF6S60B 6 300×100 1800 Solid 60×60 6-M20x1.5 275 220 32211/ 33571 587.5
UTF8S80B 8 300×100 1800 Solid 80×80 8-M20x1.5 275 220 32212/32215 587.5
UTF9S90B 9 300×100 1800 Solid 90×90 8-M20x1.5 275 220 32211/33014 587.5

Axle – Farm Axle Unbrake Series
 

Model Capacity Track Axle tube Wheel Fixing Bearing Total Length
T mm mm Stud P.C.D. C.B.D.   mm
UTS60UB 6 1840 60 6-M18x1.5 205 160 35711/35718 2571
UTF7S70UB 7 1840 70 6-M18x1.5 205 160 35713/32210 2078
UTF8S80UB 8 1840 80 8-M18x1.5 275 220 32212/32215 2092
UTF9S90UB 9 1840 90 10-M18x1.5 335 281 32213/32216 2104
UTF10S100UB 10 1840 100 10-M18x1.5 335 281 32214/32217 2104
UTF12R127UB 12 1840 127 10-M18x1.5 335 281 33118/33213 2156

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After-sales Service: 1 Year
Warranty: 6 Months
Type: Axle
Certification: ISO/TS16949, ISO
Loading Weight: 8-16 Tons
ABS: as Per Request

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

How does the choice of trailer suspensions affect the overall performance and reliability of a trailer?

The choice of trailer suspensions has a significant impact on the overall performance and reliability of a trailer. It influences various aspects of trailer operation and functionality. Here’s how:

  • 1. Load Capacity: The type and design of trailer suspensions determine the trailer’s load-carrying capacity. Choosing suspensions with the appropriate load rating ensures that the trailer can safely carry the intended cargo without overloading or straining the suspension components.
  • 2. Ride Quality: The choice of suspensions affects the ride quality for both the trailer and the cargo. A well-matched suspension system can provide a smoother and more stable ride, reducing the risk of cargo damage and enhancing driver comfort.
  • 3. Handling and Maneuverability: Different suspension systems offer varying levels of handling and maneuverability. Some suspensions are designed for stability during high-speed highway travel, while others excel in off-road or rugged terrain. Choosing the right suspension type ensures optimal handling characteristics.
  • 4. Durability and Longevity: The quality and construction of trailer suspensions play a vital role in their durability. High-quality suspensions are less prone to wear and are designed to withstand the rigors of heavy-duty use, resulting in longer service life and increased reliability.
  • 5. Maintenance Requirements: The maintenance needs of trailer suspensions can vary depending on their type and design. Some suspensions require more frequent lubrication and inspection, while others are designed for minimal maintenance. Selecting suspensions that align with your maintenance capabilities can affect long-term reliability.
  • 6. Adaptability to Terrain: The choice of suspensions impacts the trailer’s adaptability to different terrains. Air suspensions, for example, excel in providing a smooth ride on rough or uneven surfaces, enhancing versatility and reliability in various settings.
  • 7. Safety: Properly matched suspensions contribute to trailer safety. A well-balanced suspension system helps prevent trailer sway, reduces the risk of rollovers, and enhances stability during emergency maneuvers, improving overall safety.
  • 8. Fuel Efficiency: Some suspensions are designed to minimize rolling resistance, which can improve fuel efficiency. Choosing fuel-efficient suspensions can lead to cost savings over the trailer’s operational lifespan.
  • 9. Compatibility with Towing Vehicle: The choice of trailer suspensions should consider the towing vehicle’s specifications. Ensuring compatibility between the trailer suspensions and the towing vehicle’s capabilities is essential for safe and reliable towing.
  • 10. Load Distribution: Trailer suspensions play a critical role in distributing the weight of the cargo evenly across the axles. Proper load distribution enhances stability, prevents overloading, and reduces the risk of component wear or failure.

In summary, the choice of trailer suspensions directly impacts the trailer’s performance, reliability, and safety. It’s essential to carefully consider factors such as load capacity, terrain, maintenance requirements, and intended use when selecting suspensions to ensure that they align with the specific needs of your trailer and operational requirements.

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 supplier Small Trailer Axle Tandem Axle Trailer Air Suspension  China supplier Small Trailer Axle Tandem Axle Trailer Air Suspension
editor by CX 2024-04-16