The Titan PowrLiner 4000 Main Assembly (Gas Model) includes the core structural and functional components that keep your Titan PowrLiner operating efficiently in demanding striping applications. Designed for professional contractors, this configuration supports field and pavement marking jobs where durability, mobility, and consistent pressure output are critical.

This assembly fits the gas-powered Titan PowrLiner 4000 Field & Pavement Marking Sprayer and is used for road striping, parking lots, athletic fields, warehouses, and municipal marking projects. It supports the complete working structure of your Titan sprayer, including the pump, hydraulic drive components, and cart framework.

What the Main Assembly Includes

The gas model main assembly integrates several essential systems and components that work together to deliver smooth striping performance:

Cart assembly – Heavy-duty frame and wheel structure that provides stability and maneuverability on job sites.
Hydraulic system – Transfers engine power to the pump for consistent pressure delivery.
Fluid Pump – Moves striping material from the paint source through the system to the spray gun.
Gun Assembly – Holds and supports the spray gun for accurate line control.
Trigger Assembly – Enables controlled spray activation during striping.
Line Pointer – Assists operators with straight-line guidance for precise markings.
Siphon hose – Draws coating material from the container into the pump.
Bleed line Assembly – Returns fluid during priming and pressure relief.
Bleed Valve Assembly – Controls pressure release and system priming.

Each component is engineered to function as part of the complete Titan paint sprayer. system, helping maintain reliable material flow and consistent spray patterns.

Where It Is Used

The gas-powered PowrLiner 4000 is commonly used by professional striping contractors, property maintenance crews, and municipalities. It is designed for use in:

Parking lot striping
Sports field line marking
Warehouse floor layout
Road and traffic marking
Industrial facility striping

The integrated hydraulic drive and pump configuration allows the unit to handle a range of striping materials typically used in pavement marking applications.

Why Proper Main Assembly Parts Matter

The main assembly supports the entire operation of your Titan PowrLiner. Worn or damaged structural components can affect stability, pressure control, and line accuracy. Maintaining the cart frame, hydraulic components, and fluid delivery system ensures dependable performance on the job.

When replacing parts, it is important to match components specifically designed for the gas model configuration of the Titan PowrLiner 4000. Using correct-fit parts helps maintain proper alignment, pressure control, and overall equipment functionality.

Find the Right PowrLiner 4000 Parts

If you’re servicing or rebuilding your Titan sprayer, this page provides access to the correct main assembly components for the gas model. Whether you need structural parts, pump-related components, or hydraulic system elements, you are in the right place at alltitanparts.com to source the parts that keep your striping equipment working reliably.