The Kenworth AG 400 suspension is a robust air-ride system engineered to provide superior ride quality and durability for heavy-duty applications. Designed for tandem axle configurations, it is commonly found in Kenworth models such as the T800 and T680. This suspension system is particularly favored for its performance in linehaul and vocational applications, offering a balance between comfort and strength.
Key Features and Specifications
- Capacity: Rated at 40,000 lbs, suitable for heavy-duty loads.
- Axle Spacing: Available in 52″ and 54″ configurations, accommodating various chassis designs.
- Design: Features a V-linkage configuration with vertical torque rods, enhancing stability and reducing lateral movement.
- Air Springs: Utilizes air springs to absorb shocks, providing a smooth ride and protecting cargo.
- Maintenance: Designed for ease of maintenance with fewer moving parts compared to other systems.
Maintenance and Longevity
Routine maintenance is essential to ensure the longevity and optimal performance of the AG 400 suspension. Regularly inspect air springs, torque rods, and bushings for wear. It’s advisable to check these components at intervals recommended by the manufacturer or based on usage patterns. For instance, some users have reported estimates of approximately $3,000 for a complete rear suspension rebuild, including parts and labor.
Compatibility and Upgrades
The AG 400 suspension is compatible with various Kenworth models and can be retrofitted to older vehicles, such as upgrading from the AG 200 system. Conversion kits are available, including torsion bar assemblies and bushings, to facilitate this upgrade.
FAQs
1. What is the weight capacity of the Kenworth AG 400 suspension?
The AG 400 suspension is rated at 40,000 lbs, making it suitable for heavy-duty applications.
2. Can the AG 400 suspension be retrofitted to older Kenworth models?
Yes, conversion kits are available to retrofit the AG 400 suspension to older models, such as upgrading from the AG 200 system.
3. What maintenance is required for the AG 400 suspension?
Regular inspection of air springs, torque rods, and bushings is recommended. Routine maintenance ensures longevity and optimal performance.
4. Is the AG 400 suspension suitable for off-road applications?
While primarily designed for on-highway use, the AG 400 suspension offers enhanced stability, making it adaptable for certain off-road conditions.
5. Where can I purchase replacement parts for the AG 400 suspension?
Replacement parts for the AG 400 suspension can be sourced from authorized Kenworth dealers or reputable aftermarket suppliers.
In summary, the Kenworth AG 400 suspension stands out as a reliable and durable choice for heavy-duty applications, offering a balance between comfort and strength. Its design facilitates ease of maintenance and adaptability, making it a preferred option for many operators.
