PACCAR A85-1298R Frame Rear Fairing

( Brand: Paccar ), ( Manufacturer Part Number: A85-1298R ), ( Part Type: Frame Fairing )

Review PACCAR Kenworth Support frame Rear Fairing New Oem

The **PACCAR A85-1298R Kenworth Support-Frame Rear Fairing** is a meticulously engineered, high-performance aftermarket component designed to enhance the aerodynamics, fuel efficiency, and overall functionality of Kenworth W900, W900A, and W900B models equipped with the PACCAR MX-13 engine. Crafted from premium-grade, corrosion-resistant materials, this support-frame rear fairing is built to withstand the rigors of heavy-duty trucking while delivering measurable improvements in efficiency. The fairing features a sleek, streamlined design that minimizes air turbulence and drag at the rear of the truck, reducing wind resistance and allowing the vehicle to cut through the air more cleanly. Its robust construction includes precision-welded steel reinforcements, ensuring structural integrity and durability even under extreme operating conditions. The installation process is streamlined with a modular design that integrates seamlessly with the existing support frame, requiring minimal modifications to the truck s existing setup. This fairing is not only a functional upgrade but also an aesthetic enhancement, giving the truck a polished, professional appearance that aligns with modern fleet standards. Ideal for long-haul operators, regional haulers, and fleets prioritizing efficiency, the PACCAR A85-1298R rear fairing is a proven solution for reducing fuel consumption, lowering operating costs, and extending the lifespan of the truck s critical components. Backed by PACCAR s reputation for reliability and performance, this fairing is a smart investment for any operator seeking to optimize their vehicle s performance without compromising on quality or durability.

### Pros and Cons of Buying a PACCAR A85-1298R Kenworth with Support-Frame Rear Fairing

#### **Pros**

1. **Durability and Reliability** The PACCAR MX-13 engine (A85) is known for its robustness, fuel efficiency, and long service life. It is built to withstand heavy-duty operations, making it ideal for long-haul trucking, construction, or regional hauling.

2. **Fuel Efficiency** The A85 engine incorporates advanced technologies such as turbocharging, aftercooling, and optimized combustion, which improve fuel economy compared to older diesel engines. This can lead to significant cost savings over time.

3. **Low Maintenance Costs** PACCAR engines are designed for reliability, reducing the frequency of breakdowns and lowering maintenance expenses. The support-frame rear fairing also helps protect critical components from road debris, further reducing wear and tear.

4. **Comfort and Ergonomics** Kenworth trucks are renowned for their high-quality cabins, offering better visibility, ergonomic seating, and advanced driver aids. The A85 model continues this tradition with a comfortable ride, reducing driver fatigue on long routes.

5. **Resale Value** PACCAR and Kenworth trucks maintain strong resale values due to their reputation for durability and performance. A well-maintained A85-1298R will hold its value better than many competitors.

6. **Support-Frame Rear Fairing Benefits** The support-frame rear fairing enhances aerodynamics, reducing drag and improving fuel efficiency. It also protects the trailer coupling and hitch from damage, extending their lifespan. Additionally, it helps maintain a cleaner undercarriage, reducing the risk of rust and corrosion.

7. **Advanced Technology Integration** The A85 engine is compatible with modern telematics, diagnostics, and emissions control systems (such as PACCAR s **PACCAR MX Engine Control Module**). This allows for better fleet management, predictive maintenance, and compliance with emissions regulations.

8. **Wide Availability of Parts and Service** PACCAR and Kenworth have extensive dealer networks, ensuring easy access to genuine parts and authorized service centers. This reduces downtime and ensures quality repairs.

9. **Smooth Power Delivery** The A85 engine provides a strong, consistent torque curve, making it suitable for both highway cruising and heavy loads. This reduces strain on the transmission and drivetrain, improving overall longevity.

10. **Environmental Compliance** The A85 engine meets or exceeds current emissions standards (e.g., EPA 2010 or later), ensuring compliance without sacrificing performance. This is crucial for fleets operating in regulated markets.

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#### **Cons**

1. **High Initial Cost** PACCAR and Kenworth trucks are premium brands, and the A85-1298R model is no exception. The upfront purchase price or lease payments will be higher than many competitors, such as Freightliner or Volvo alternatives.

2. **Fuel and Emissions Add-Ons** While the A85 is efficient, aftertreatment systems (e.g., **DPF, SCR, EGR**) add complexity and maintenance requirements. These systems require regular servicing, including fuel (DEF) for SCR, which can increase operational costs.

3. **Complexity of Maintenance** The advanced technology in the A85 engine and Kenworth s high-end features mean that maintenance requires specialized knowledge. Fleets without in-house expertise may need to rely on dealerships, increasing costs.

4. **Weight Considerations** The A85 engine and Kenworth s robust build contribute to a heavier truck. This can impact fuel efficiency slightly (due to increased weight) and may require additional permits for certain routes or loads.

5. **Depreciation Over Time** While Kenworth trucks hold value well, they do depreciate. For fleets replacing trucks frequently, the residual value may not offset the high initial cost as effectively as in long-term ownership.

6. **Limited Customization Options** Compared to some competitors, Kenworth offers fewer aftermarket or customization options for the A85 model. This may limit flexibility for fleets with unique operational needs.

7. **Potential for Higher Insurance Costs** Due to the truck s high value and performance, insurance premiums may be higher than for standard-duty trucks. This adds to the overall cost of ownership.

8. **Dependence on PACCAR s Support Network** While PACCAR s dealer network is strong, reliance on authorized service centers can be a drawback if a fleet prefers independent mechanics or has limited access to dealerships.

9. **Noise and Vibration** Some drivers report that the A85 engine, while powerful, can be louder and vibrate more than smoother alternatives (e.g., Cummins or Detroit Diesel). This may affect driver comfort on long hauls.

10. **Long-Term Fuel Price Sensitivity** While the A85 is fuel-efficient, diesel prices fluctuate. Fleets with high mileage may still face significant fuel costs, which can impact profitability, especially if fuel prices rise unexpectedly.

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### **Conclusion**

The **PACCAR A85-1298R Kenworth with support-frame rear fairing** is an excellent choice for fleets prioritizing **durability, fuel efficiency, and long-term reliability**. Its advanced engineering, strong resale value, and protective features make it ideal for heavy-duty operations, long-haul trucking, or regional hauling. The support-frame fairing adds practical benefits by improving aerodynamics and protecting critical components, further enhancing its value.

However, the **high upfront cost, complexity of maintenance, and additional emissions-related expenses** may be drawbacks for smaller fleets or those operating on tight budgets. The truck s premium nature also means that **insurance and operational costs may be higher** than for standard-duty alternatives.

For fleets that can justify the investment in **reliability, efficiency, and driver comfort**, the A85-1298R Kenworth is a **strong recommendation**. It is particularly well-suited for:

- Long-haul trucking companies.

- Fleets with high mileage and heavy loads.

- Operators who value **low maintenance costs and strong resale value**.

- Companies that prioritize **driver comfort and advanced technology**.

For fleets with **limited budgets, lower mileage, or simpler operational needs**, a more cost-effective alternative (e.g., a Freightliner Cascadia with a similar engine) might be preferable. Ultimately, the decision should align with the fleet s **operational demands, budget, and long-term goals**.

Details:

Buyer should verify this is the exact part needed before purchasing.

part #: a851298r prices

• $92.76-$117.50

specifications fendeframat:

• for makes: Kenworth
• brand: Paccar
• mpn: A85-1298r
• part type: Frame Fairing

payments fendeframat:

• other
• wallet: Apple-pay
• credit card: Diners-club

seller fendeframat:

• rating: 99.7%
• city: Beaver Dam, WI
• # reviews: 24078

offer fendeframat:

• best offers: True
• quantity: 3
• options: Ship-to-home
• started: May 20, 2026
• availability: In Stock
• sold: 0

general fendeframat:

• Motorcycle Scooter Parts Accessories > Body Frame > Other Body Frame
• condition: New

shipping fendeframat:

• cost: $17.95
• transit: 2-6 Days
• type: Fixed
• service: Standard
• class: Standard

returns fendeframat:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days