Leaf springs for working trucks and trailers

Parts and support 3 plants behind the line

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MACK Rear Parabolic part pages in catalog

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Rear Parabolic

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4 part pages

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  1. 62-1307

    MACK 4QK4131

    Rear leaf spring catalog record for MACK 4QK4131.

    Position
    Rear
    Spring group
    Parabolic
    Spring stage
    Single stage
    Leaf count
    4 leaves
    A-side length (La)
    25.79 in
    B-side length (Lb)
    25.79 in
    Camber / free arch (C)
    5.43 in
    Eye Diameter (Ø Eye)
    2.46 in both eyes
    Part detailsOpen part page
  2. 62-181

    MACK 4QK3321

    3 OEM references

    Position
    Rear
    Spring group
    Parabolic
    Spring stage
    Single stage
    Leaf count
    3 leaves
    A-side length (La)
    25.39 in
    B-side length (Lb)
    25.39 in
    Camber / free arch (C)
    4.17 in
    Eye Diameter (Ø Eye)
    2.46 in both eyes
    Part detailsOpen part page
  3. 62-267

    MACK 4QK 3369M, 4QK 3369AM

    3 OEM references

    Position
    Rear
    Spring group
    Parabolic
    Spring stage
    Single stage
    Leaf count
    3 leaves
    A-side length (La)
    25.79 in
    B-side length (Lb)
    25.79 in
    Camber / free arch (C)
    5.51 in
    Eye Diameter (Ø Eye)
    2.46 in both eyes
    Load capacity
    19000 lbs
    Part detailsOpen part page
  4. 62-269

    MACK 4QK 4124 M

    3 OEM references

    Position
    Rear
    Spring group
    Parabolic
    Spring stage
    Single stage
    Leaf count
    3 leaves
    A-side length (La)
    25.79 in
    B-side length (Lb)
    25.79 in
    Camber / free arch (C)
    5.63 in
    Eye Diameter (Ø Eye)
    2.46 in both eyes
    Part detailsOpen part page