Kenworth T700 Brake Parts & Acc.

Frequently Asked Questions About Kenworth T700 Brake Parts & Acc.

What brake pad materials work best for Kenworth T700 trucks, and how long do they typically last?

For Kenworth T700 trucks, we recommend ceramic or semi-metallic brake pads depending on your driving conditions. Ceramic pads offer quieter operation and less dust, lasting 40,000-60,000 miles under normal highway conditions. Semi-metallic pads provide better heat dissipation for heavy-duty applications and mountain driving, typically lasting 30,000-50,000 miles. Fleet operators often prefer semi-metallic for their superior stopping power under load. Always check your specific T700 model year as some 2011-2015 models require extended wear indicators.

Are aftermarket brake parts compatible with my specific T700 model year, or do I need OEM parts?

Quality aftermarket brake parts are fully compatible with Kenworth T700 models from 2011-2024, meeting or exceeding OEM specifications. However, there are important distinctions between model years. T700s from 2011-2016 use different rotor bolt patterns than 2017+ models. Additionally, trucks with air disc brakes (common on 2018+ models) require specific parts that differ from traditional drum brake systems. We recommend checking your VIN or contacting us with your truck's build date to ensure proper fitment. DOT-certified aftermarket parts often provide better value without compromising safety or performance.

What tools and experience level are needed to install T700 brake components myself?

Basic brake pad replacement on a T700 requires standard tools including a 3/4" socket set, brake spring pliers, and a brake adjustment tool. Most experienced mechanics can complete pad replacement in 2-3 hours per axle. However, rotor replacement or air brake system work requires specialized equipment like a torque multiplier for proper hub installation (450-500 ft-lbs) and air brake diagnostic tools. We strongly recommend professional installation for air disc brake systems or if you're unfamiliar with commercial vehicle brake adjustment procedures. Improper installation can lead to brake imbalance and premature wear.

Do chrome or powder-coated brake drums affect performance compared to standard drums?

Chrome-plated and powder-coated brake drums for the T700 are primarily aesthetic upgrades that don't significantly impact braking performance when properly manufactured. Chrome drums offer excellent corrosion resistance and maintain their appearance longer, especially important for show trucks or image-conscious fleets. Standard cast iron drums work identically but may show surface rust. The key is ensuring any decorative drum meets SAE J1865 specifications and maintains proper wall thickness. Avoid cheap chrome drums that may have uneven plating affecting balance. Quality chrome drums typically cost 40-60% more but can last the life of the truck with proper care.

How do I know when my T700 brake chambers or slack adjusters need replacement?

Replace brake chambers on your T700 when you notice air leaks (hissing sounds), uneven brake application, or if pushrod travel exceeds 2 inches during a 90-100 PSI brake application. Slack adjusters should be replaced if they won't hold adjustment, show visible damage to the gear teeth, or if manual adjustment becomes necessary more than once per month. Most T700s use 30/30 brake chambers on the rear and Type 24 on the front. Automatic slack adjusters typically last 200,000-300,000 miles with proper maintenance. Always replace slack adjusters in axle sets to maintain balanced braking. Check for recalls on 2013-2015 T700 models which had some reported slack adjuster issues.