Power Steering Gear Box (4-Line)

Fits: Peterbilt & Kenworth Heavy-Duty Trucks

Get your truck back on the road with a professional-grade remanufactured TRW Ross TAS85002 (Cross-ref: TAS852298). This specific 4-line hydraulic configuration is rebuilt using premium internal seals and high-precision components to eliminate steering wander and restore OEM-level handling performance.

• Core Charge: $700 (Refundable)

• Condition: Remanufactured (Tested to OEM Standards)

• Warranty: 1-Year Warranty

Technical Specifications

• Model: TRW TAS85 Series

• SKU / Part Number: TAS85002

• Configuration: 4-Line System

• Alternative/OEM Part Number: TAS852298 / 14-12497-002

• Steering Ratio: 23.3:1 (Variable)

• Output Shaft Diameter: 2.0 inches

• Input Shaft Spline: 36 Splines

Important Policies

• Core Return: To receive your $700 refund, the core must be the same model as shipped (TAS85 4-line) and free of cracks or broken housings. For more information on the Core Charge Policy Click Here.

• Shipping: Customer is responsible for all shipping costs.

• Pro Tip: When installing a 4-line TAS85 unit, ensure all hydraulic fittings are seated correctly to prevent leaks. A full system flush and a new filter are required to protect your steering pump and maintain your 1-year warranty.

Questions? Call us or Email Us for fitment verification or shipping quotes.

Power Steering Gear Box

Fits: Peterbilt 330, 335, 337, 340, 348, 384 & 386 Models

Get your truck back on the road with a professional-grade remanufactured TRW TAS85052. This heavy-duty steering gear is rebuilt using premium internal seals and high-precision components.

• Core Charge: $700 (Refundable)

• Condition: Remanufactured (Tested to OEM Standards)

• Warranty: 1-Year Warranty

Technical Specifications

• Model: TRW TAS85 Series

• SKU / Part Number: TAS85052

• Alternative/OEM Part Number: TAS852292 / 14-12497

• Steering Ratio: 23.3:1 (Variable)

• Output Shaft Diameter: 2.0 inches

• Input Shaft Spline: 36 Splines

• Casting Number: TAS85

Important Policies

• Core Return: To receive your $700 refund, the core must be the same model as shipped and free of cracks or broken housings. For more information on the Core Charge Policy Click Here.

• Shipping: Customer is responsible for all shipping costs.

• Pro Tip: When installing a TRW TAS series, always check the Poppet Valves setting. We recommend installing a new filter and using high-quality steering fluid to ensure the longevity of your 1-year warranty.

Questions? Call us or Email Us for fitment verification or shipping quotes.

Power Steering Gear Box

Fits: Volvo Heavy-Duty & Class 8 Trucks

Restore the premium driving experience and high-flow hydraulic efficiency of your Volvo with this professional-grade remanufactured TRW THP60009 (Cross-ref: THP602296). Engineered specifically for the demanding requirements of Volvo chassis, this unit is meticulously rebuilt using high-tolerance internal seals and premium components to eliminate steering play and meet strict OEM performance standards.

Core Charge: $650 (Refundable Deposit)

Condition: Remanufactured (Tested to OEM Standards)

Warranty: 1-Year Warranty

Technical Specifications & Cross-References

• Model: TRW THP60 Series (High-Flow)

• SKU / Part Number: THP60009

• Casting Number: THP602296

• OEM Part Numbers: 14-19704-000, 14-14901-000, 14-14893-000, 14-17721-000, 14-14022-000, 14-17722-000

• Truck Makes: Volvo, Freightliner (Common Cross-Application)

• System Type: Heavy-Duty Hydraulic Steering

Important Policies

• Core Return: To receive your $650 refund, the core must be the same model as shipped (THP60 series) and free of cracks or broken housings. For more information on the Core Charge Policy Click Here.

• Shipping: Customer is responsible for all shipping costs.

• Pro Tip: Volvo steering systems are highly sensitive to fluid contamination. To ensure peak performance and protect your 1-year warranty, a complete hydraulic system flush and the installation of a new power steering filter are mandatory during installation.

Questions? Call us or Email Us for fitment verification or shipping quotes.

Power Steering Gear Box

Fits: 1979–1990 Peterbilt Heavy-Duty Trucks

Restore the legendary handling and heavy-duty reliability of your classic Peterbilt with this professional-grade remanufactured TRW Ross HFB70 Series (Model: HFB70114 / HFB702986). Meticulously rebuilt using premium internal seals and high-strength components, this unit is engineered to eliminate steering play and meet rigorous OEM standards. This versatile gear box is designed for compatibility with both standard steering configurations and dual (master/slave) gear systems.

Core Charge: $700 (Refundable Deposit)

Condition: Remanufactured (Tested to OEM Standards)

Warranty: 180-Day Warranty

Technical Specifications & Cross-References

• Model: TRW Ross HFB70 Series

• SKU / Part Number: HFB702986

• Model Numbers: HFB70114, HFB702986

• Configuration: Suitable for Normal or Double Gear (Dual Steering) setups

• Truck Makes: Peterbilt

• Common Applications: Peterbilt 359, 379, and early 378 models

• Year Range: 1979–1990

Important Policies

• Core Return: To receive your $700 refund, the core must be the same model as shipped (HFB70 series) and free of cracks or broken housings. For more information on the Core Charge Policy Click Here.

• Shipping: Customer is responsible for all shipping costs.

• Pro Tip: Peterbilt heavy-duty steering systems require maximum hydraulic purity for long-term durability, especially in dual-gear configurations. To protect your 180-day warranty and ensure smooth operation, a complete hydraulic system flush and a new power steering filter are mandatory during installation.

Questions? Call us or Email Us for fitment verification or shipping quotes.