18L 26L 32L Oil Cooler For Truck Hydraulic Oil Cooler Customized

Product Specification

Mixer truck Oil cooler 18L//26L/32L

Color:Customized

Lead Time:30 days

ISO 9001:2015 certification

Mixer Truck Oil Cooler 18L: The Optimized Cooling Solution for Mid-Range Hydraulic Heat Loads

In the demanding cycle of a concrete mixer truck, the hydraulic system's thermal output must be precisely managed to ensure efficiency and longevity. For mid-range trucks or those operating under less extreme thermal conditions, a massive cooler is unnecessary, but a standard unit may be insufficient. The Mixer Truck Oil Cooler 18L is engineered as this optimal balance—a high-efficiency, robust heat exchanger designed for substantial heat loads without the size and weight penalty of the largest models. The "18L" designation reflects its significant oil-side capacity, targeted at effectively managing the thermal output from typical 8-10 cubic meter mixer drum circuits. It is a purpose-built solution that delivers reliable cooling performance, ensuring hydraulic oil remains within its ideal operating temperature range for peak system performance and component protection.

We focus on engineering coolers that match real-world application needs. The 18L model exemplifies this approach, providing ample cooling capacity through intelligent design and durable construction suitable for the mobile equipment environment.

1. Product Parameter (specification)

Structure

Radiator: Typically uses tube-fin or plate-fin designs to maximize heat dissipation area.

Cooling Fan: Driven by a DC motor (common voltages: 12V or 24V), it accelerates air flow across the radiator.

Oil Filter: Removes impurities from the hydraulic oil to protect system components.

Oil Tank: Stores 26 liters of hydraulic oil, providing sufficient capacity for continuous operation.

Pressure Gauge: Monitors system pressure to detect abnormalities in real time.

· Cooling oil temperature of mixer truck.

· Oil cooler combined the oil tank, motor, fan, thermostat switch and filter.

· Material: aluminum

Core Product Specifications & Targeted Design

Our design philosophy for the 18L cooler emphasizes efficient heat transfer in a package that fits common chassis layouts. Every specification supports reliable operation under typical mixer truck duty cycles.

Comprehensive Selection & Maintenance Guidelines

Selection Guidelines:

Systematic Heat Load Estimation: Avoid guesswork. Use the formula: Heat Load (kW) = Total Hydraulic Power (kW) x (1 - Estimated System Efficiency). For a typical mid-range system with 100-120 kW of installed hydraulic power and an assumed 78% efficiency, the heat load is 22-26 kW. An 18L cooler rated for 25-30 kW is an appropriate match.

Verify Physical and Connection Compatibility:

Mounting Footprint: Ensure the chosen model fits the allocated space on the truck frame or side skirt.

Port Configuration: Confirm thread type (e.g., NPT, SAE O-ring), size, and orientation of both oil and coolant ports match your existing hose assemblies.

Review Key Specifications Table:

Heat Rejection at Standard Conditions

Oil Side & Coolant Side Maximum Working Pressure

Port Sizes and Flow Directions

Presence and set point of Integrated Bypass Valve

Critical Maintenance & Installation Procedures:

Professional Installation Best Practices:

Support the Piping: Install hose clamps or pipe brackets near the cooler ports to prevent the weight and vibration of the lines from stressing the brazed joints.

Bleed the Coolant Circuit: After installation, follow engine manufacturer procedures to bleed all air from the cooling system. An air pocket in the cooler drastically reduces its efficiency.

Routine Operational Monitoring:

Temperature Trending: Regularly note the hydraulic oil temperature gauge under similar operating conditions. A gradual increase over time is the primary indicator of reduced cooler efficiency (from fouling).

Visual Inspection: Check for external debris blocking the fins, oil leaks at the headers, or coolant seepage. Clean fins with low-pressure air from the back (engine side) to the front.

Proactive Fluid and System Management:

Oil Analysis: Implement a used oil analysis program. Trending viscosity, TAN, and particulate counts provides early warning of problems that affect the cooler.

Coolant Maintenance: Maintain the correct coolant mixture and inhibitor strength. Corrosion in the coolant loop can deposit scale inside the cooler tubes, insulating them.

2. Production details