American Type Suspension Series

American Type Suspension Series

American Type Suspension Series

Manufactured with high-strength steel materials and precision assembly technology, the American Type Suspension Series ensures stable vehicle operation, improved shock absorption, and long service life, making it ideal for heavy-load and long-distance transportation applications.

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The American Type Suspension Series is a heavy-duty mechanical suspension system widely used in semi-trailers, cargo trailers, and industrial transport vehicles. Featuring a traditional leaf spring (steel spring) design, this suspension system delivers excellent load-bearing capacity, high durability, and reliable performance under harsh road conditions.

model H(mm) A1(mm) B1(mm) A2(mm) B2(mm) Load capacity
ZY13AZ2-1 1 110 399 369 390 360 13000*3
ZY13AZ3-13 130 419 389 410 380 13000*3
ZY13AZ3-15 150 439 409 430 400 13000*3
ZY13AZ3-18 180 469 439 460 430 13000*3
ZY13AZ3-21 210 499 469 490 460 13000*3
ZY13AZ3-23 230 519 489 510 480 13000*3
ZY13AZ3-25 250 539 509 530 500 13000*3
ZY13AZ3-27 270 559 529 550 520 13000*3
ZY13AZ3-30 300 589 559 580 550 13000*3
ZY13AZ3-32 320 609 579 600 570 13000*3
ZY13AZ3-35 350 639 609 630 600 13000*3

model H(mm) A1(mm) B1(mm) A2(mm) B2(mm) A3(mm) B3(mm) Load capacity
ZY13AZ3-11 110 399 369 390 360 381 351 13000*3
ZY13AZ3-13 130 419 389 410 380 401 371 13000*3
ZY13AZ3-15 150 439 409 430 400 421 391 13000*3
ZY13AZ3-18 180 469 439 460 430 451 421 13000*3
ZY13AZ3-21 210 499 469 490 460 481 451 13000*3
ZY13AZ3-23 230 519 489 510 480 501 471 13000*3
ZY13AZ3-25 250 539 509 530 500 521 491 13000*3
ZY13AZ3-27 270 559 529 550 520 541 511 13000*3
ZY13AZ3-30 300 589 559 580 550 571 541 13000*3
ZY13AZ3-32 320 609 579 600 570 591 561 13000*3
ZY13AZ3-35 350 639 609 630 600 621 591 13000*3

Product Advantages

1. Strong Load Capacity

Designed for heavy cargo and industrial transportation with high weight-bearing performance.

2. Durable and Reliable Structure

Leaf spring system provides excellent resistance to deformation and long-term fatigue.

3. Low Maintenance Cost

Simple mechanical structure reduces repair complexity and operating costs.

4. Stable Driving Performance

Improves vehicle stability and reduces vibration during heavy-duty transport.

5. Wide Application Range

Suitable for various trailer types and transportation environments.

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