Improve the performance and durability of your Mack truck with the Fortpro 62147 Truck Leaf Spring, designed specifically for the Camel Back rear suspension. This leaf spring is the perfect solution for those looking to replace parts 4QK4005A and 750860, ensuring a precise fit and superior functionality. Manufactured from high-strength steel, the Fortpro 62147 provides excellent shock absorption, improving stability and driving comfort even on difficult terrain. With exceptional ability to support heavy loads, this leaf spring ensures even weight distribution, protecting both the chassis and the load, and extending the life of your truck's suspension system.
Fortpro is a trusted leader in the development and manufacturing of premium-quality truck parts designed to meet the demands of semi-trucks and heavy-duty trucks. Renowned for innovation, durability, and reliability, Fortpro products are engineered to enhance performance, safety, and efficiency across a wide range of trucking applications.
Whether you're seeking OEM replacement parts or upgrades, Fortpro provides a diverse selection of components backed by a global reputation for quality and innovation. Trust Fortpro for the parts you need to keep your vehicles on the road longer and stronger.
Basic Part Information5 attributes
| Product Line | Suspension |
|---|---|
| Category Name | Chassis & Suspension |
| Part Type | Rear Leaf Spring |
| Alternate Part Name | Rear Spring, Rear Spring Assembly, Leaf Spring Assembly, Spring Assembly |
| OEM Part Number | 4QK4005A |
Application/Fitment Attributes2 attributes
| Application Type | Semi-Trucks, Heavy Duty Trucks |
|---|---|
| Mounting Position | Rear Suspension |
Dimensional/Physical Attributes7 attributes
| Material | Steel |
|---|---|
| Leaf Pack Thickness (D) | 9-3/8 in. |
| Leaf Spring Count | 10 |
| Leaf Width | 4 in. |
| Length (A) | 28-5/16 in. |
| Length (B) | 25-15/16 in. |
| Spring Arch Length (C) | 6-13-16 in. |
Technical/Performance Attributes1 attribute
| Spring Load Capacity | 44.000 lb. |
|---|
Packaging / Logistics Attributes:1 attribute
| Net Weight | 342 lb. |
|---|
Intended Application
- Compatible with Mack rear axle applications equipped with Camelback multi-leaf spring suspensions utilizing 4-inch wide spring assemblies and 50-inch axle spacing; with an approximate suspension capacity of 38,000 to 44,000 lb, interchangeable with OEM SRI 62-147 cross-reference leaf springs and equivalents.
- Always compare with your OEM part number prior to purchase to confirm full compatibility.
- Hendrickson: 81580
- Mack: 4QK4005A, 4000-81580, 4QK4005A, 25192116, SRE62-147
- Dayton Parts: 62147
- Flagg Suspension Parts: 62147A
- PAI: 750860