Home > Blog > Why Overloading Your Truck Cause Strain on Your Leaf Springs

Why Overloading Your Truck Cause Strain on Your Leaf Springs

Why Overloading Your Truck Cause Strain on Your Leaf SpringsWhen you have a heavy-duty truck, it is often assumed that it will haul overbearing loads. This may be true, but what often happens is that truck-owners may end up loading their vehicle with more weight with the logic that because it’s a truck it can take it. That’s not always the case.

Automotive manufacturers design each of their trucks for certain purposes. Even for the ones that are built to take on harsh environments and haul and carry heavy loads have a limit. Trucks overall, are built to carry heavier loads that cars. One thing is certain; the majority of trucks are installed with leaf springs to support all that heavy weight.

Purpose of Leaf Springs

Leaf springs are built to support any additional weight on the back of a truck. They are typically installed on the back chassis of the axles. Leaf springs are designed to absorb the weight or energy that is placed on a flatbed, preventing it from weighing on the axle and snapping if off from the truck rendering it in need of serious repair.

This suspension device is designed to hold up the extra-added weight through the pressure that is placed on the springs, allowing the load to hold up and remain stable on the flatbed of the truck.

Leafs Springs Can and Will Wear Out

The problem with leaf springs is about the same with any other auto part. Over time, they can wear out and eventually need replaced. Imagine if you will the springs within a mattress. When it’s new, it will support a set amount of weight. If too many people lay on it or worse, start jumping up and down on the mattress, the springs within it will recoil back into its original form less and less. Next, two things will occur: the mattress’ weight capacity will decrease and it will no longer be level.

How to Determine if Your Leaf Springs are Worn

It is the same for leaf springs on a truck. If a truck gets overloaded beyond it’s capacity, the leaf spring will flatten out, reducing the height of the truck. In the example of the worn-out mattress, the old springs weren’t level anymore. However, with leaf springs, if the flatbed of the truck is level, then there’s a problem!

When leaf springs are installed in a truck, it increases the height of the flatbed by a few inches. That is why most trucks have a little lift in the back. The higher the lift, the stronger capacity that the leaf spring has.

How to Avoid Straining Your Leaf Springs

For work vehicles, the need for leaf spring replacements is almost the same as getting new tires. With wear and tear, the part will eventually strain out enough to where it is no longer useful. To avoid straining your leaf springs purchase and Add A Leaf Kit, but that is not always guaranteed to work depending on the task. It is best to not overload your truck or use it to haul loads that are above its capacity.

Contact General Spring for Your Leaf Spring Replacement

When it’s time to replace the leaf springs on your truck, consider General Spring . We specialize in leaf springs, suspension and replacement parts. Our company has been in the automotive suspension industry since 1965 and has acquired a collection of knowledge in this field. So if your strained leaf springs need changing out, shop our online catalog of leaf springs. If you can’t find your part, we can manufacture it for you.

We are located in New Century, Kansas and can ship your order right from our warehouse. If you are local to the area, call us at 913-829-0619. Out-of-state customers can call toll free at 888-829-0619 or contact us online today!

Sort By:
Page of 1
2002 - 2008 Ram 1500 heavy duty rear leaf spring, 5(4/1) leaves, 2200 lbs capacity

  • Spring Capacity = 2200 lbs
  • Width = 2-1/2
  • # of Leaves = 5(4/1)
  • Measures (A/B) = 31-1/4 x 32
  • Pack Thickness = 2-1/4
  • Bushings Included
  • Sold Per Side - Order Quantity 2 for a pair

Our Price: $119.99
1999 - 2013 Chevy Silverado / GMC Sierra 1500 rear leaf spring, 1900 lbs capacity, 3(2/1) leaves

  • Spring Capacity = 1900 lbs

  • Width = 2-1/2

  • # of Leaves = 3(2/1)

  • Measures (A/B) = 32 x 32

  • Pack Thickness = 1-15/16

  • Bushings Included

  • Top U Bolt Plate Attached

  • Sold Per Side - Order Quantity 2 for a pair

Our Price: $129.99
2009 - 2014 F150 rear leaf spring, 3(2/1) leaves, 1500 lbs capacity

  • Spring Capacity = 1500 lbs
  • Width = 3
  • # of Leaves = 3(2/1)
  • Measures (A/B) = 31-5/8 x 31-5/8
  • Pack Thickness = 1-3/4
  • Bushings Included
  • Sold Per Side - Order Quantity 2 for a pair

Our Price: $129.99