2004 - 2006 Kenworth T400-T880 Front Leaf Spring 59-494

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Kenworth front leaf spring part number 59-494.

  • *Diagram Spring May Differ From Actual Spring*
  • Number of Leaves - 5 (PD/3/1/1)
  • Leaf Spring Width - 4"
  • A - Leaf Spring Length: 27"
  • B - Leaf Spring Length: 32"
  • C - Leaf Spring Arch: 5-1/4"
  • D - Leaf Spring Pack Thickness: 5-11/16"
  • Leaf Spring Capacity: 12,000 lbs.
  • Leaf Spring OEM Number: HK48110-3241
  • Leaf Spring Eye Bushings: Front TB-81 / Rear TB-81
  • Leaf Spring Material: Pad 1/.315, 1/.886, 2/.925, Second 1/1.102, Third 1/1.339 Full Taper
  • Location - Front
  • 16,000 lb. - 24,00 lb. Axles Only


Leaf Spring 59-494 is the front leaf spring on 2004 - 2006 Kenworth T400, T440, T450, T470, T600, T660, T680, T800 and T880. The spring is 4" wide, 5 leaf full taper spring with 1 pad. The capacity is 12,000 lbs. and the OEM part number is HK48110-3241.

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