1984 - 2021 Kenworth C500, C550B, K100E, T400, T450, T600 And T800 Front Leaf Spring - 2 Leaves - 59-428
SKU: 66724877824

1984 - 2021 Kenworth C500, C550B, K100E, T400, T450, T600 And T800 Front Leaf Spring - 2 Leaves - 59-428

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Description

1984 - 2021 Kenworth C500, C550B, K100E, T400, T450, T600 And T800 Front Leaf Spring - 2 Leaves - 59-428Number of Leaves 2 Leaf Spring Width 4" A Leaf Spring Length: 32 1 8" B Leaf Spring Length: 32 1 8" C Leaf Spring Arch: 5 7 16" D Leaf Spring Pack Thickness: 2 15 16" Leaf Spring Capacity: 5,400 lbs. Leaf Spring OEM Number: HK48110 1440 Leaf Spring Eye Bushings: Front TB 68 Rear TB 68 Leaf Spring Material: Pad 1 . 394, 2 . 984 Full Taper, Pad 1 . 473 Location Front Verify the OEM part number and measurements to confirm compatibility before purchasing.

  • Number of Leaves - 2
  • Leaf Spring Width - 4"
  • A - Leaf Spring Length: 32-1/8"
  • B - Leaf Spring Length: 32-1/8"
  • C - Leaf Spring Arch: 5-7/16"
  • D - Leaf Spring Pack Thickness: 2-15/16"
  • Leaf Spring Capacity: 5,400 lbs.
  • Leaf Spring OEM Number: HK48110-1440
  • Leaf Spring Eye Bushings: Front TB-68 / Rear TB-68
  • Leaf Spring Material: Pad 1/.394, 2/.984 Full Taper, Pad 1/.473
  • Location - Front

 

Verify the OEM part number and measurements to confirm compatibility before purchasing. Need help? Visit: How to Identify a Leaf Spring.

 

Leaf spring 59-428 is the front leaf spring on Kenworth C500, C550B, K100E (with set back axle), T400A, T400B, T450, T450B, T600A, T600B, T800 and T800B heavy duty trucks. The spring is 4" wide and is a 2 full taper leaf spring with 2 pads. The capacity of this spring is 6,000 lbs. The OEM part number is HK48110-1440.


Models And Year Ranges:

Fits: 1988-2021 Front Kenworth C550 and C550B

Fits: 1984-2003 Front Kenworth K100E (With Set Back Axle)

Fits: 1988-2003 Front Kenworth T400A, T400B, T450 and T450B

Fits: 1985-2004 Front Kenworth T600A, T600B, T800 and T800B

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SKU: 66724877824

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Edward
Draper, US
★★★★★ 5
Good oil and price
Size: Single of 2.6 fl. oz, Number of Items: 1
Good oil good price. †
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Reviewed in the United States on March 15, 2026
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Netrunner
Birmingham, US
★★★★★ 4
Stinky, but Made in USA
Size: 2.6 fl. oz (Pack of 12), Number of Items: 12
I bought this product because it was one of the few 40:1/50:1 synthetic 2 cycle oils on Amazon. I have machines that take both, so it's a nice thing to have just 1 gas mix. Anyway, I'd say this product works. My leaf blower hasn't seized up or anything after hours of use, but this oil is noticeably more stinky than the last random, generic product I bought at the farm store. It's a kind of harsh pollution kind of smell. It's hard to describe. It doesn't put out a cloud of smoke. It's just stinky. Not the smell of what I'm familiar with the old, non-synthetic 2-cycle oils of the past. Anyway, I thought you should know. I gave this review an extra star for Made in USA.
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Reviewed in the United States on October 5, 2024
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Sabrina
Lake Worth, US
★★★★★ 5
Reasonable price
Size: Single of 13 fl. oz, Number of Items: 1
Great product
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Reviewed in the United States on March 10, 2026
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Allison Hanner
Waukegan, US
★★★★★ 5
Worked great
Size: Single of 13 fl. oz, Number of Items: 1
That’s what I needed it to do
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Reviewed in the United States on May 12, 2026
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Daniel Richman
Grantham, US
★★★★★ 5
Get the larger one if you use more than a gallon a year.
Size: Single of 2.6 fl. oz, Number of Items: 1
Exactly as ordered. Price point is fine for mixing in 1 gallon of gas. I only use 1 gallon of this mix every year in my weed wackers.
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Reviewed in the United States on April 26, 2026

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