Hertz HDD55 75HP Base Mount Rotary Screw Air Compressor

Description

Hertz HDD55 75HP Base Mount Rotary Screw Air Compressor

100-175 PSI | 277–374 CFM | Direct Drive | 75 HP

When your operation depends on continuous compressed air, the Hertz HDD55 75HP rotary screw air compressor delivers industrial-grade performance without compromise. Designed for demanding manufacturing and production environments, this oil-injected, direct-coupled base mount compressor provides reliable airflow, energy efficiency, and long-term durability.

Built for serious industrial applications, the HDD55 combines intelligent control technology, premium motor efficiency, and a rugged screw block engineered for high-capacity output.

Performance Specifications

The HDD55 offers multiple pressure configurations to match your facility’s requirements:

• 100 PSI – 374 CFM

• 125 PSI – 346 CFM

• 150 PSI – 290 CFM

• 175 PSI – 277 CFM

• 75 HP / 55 kW Motor

• 1 1/2” NPT Air Outlet

• Dimensions: 91” L x 54” W x 82” H

• Weight: 4,520 lbs

Performance measured in accordance with ISO 1217 standards.

Heavy-Duty Screw Block Design

At the core of the HDD55 is a durable, high-capacity airend built specifically for the 75HP platform.

• Optimized rotor profiles reduce torque requirements

• Advanced bearing design improves load handling

• Direct coupling minimizes transmission losses

This results in improved efficiency, lower mechanical wear, and consistent air delivery under load.

IE4 Premium Efficiency Motor & Drive System

The HDD55 features a high-efficiency IE4 IP55 electric motor engineered for industrial environments.

• F-Class insulation

• PTC motor winding protection

• High-temperature motor bearing protection

• Elastic coupling for efficient power transfer

The direct-coupled drive eliminates belt losses and enhances long-term reliability.

Advanced Cooling System

Industrial compressors live and die by cooling performance. The HDD55 is engineered for stable operation in demanding environments.

• Operates in ambient temperatures up to 113°F

• Independent radiator segments

• Optimized internal cabinet airflow

• Designed for consistent cooling and air intake performance

This ensures long service life even in high-temperature facilities.

Intelligent Onboard Controller (75HP and Above)

The integrated controller provides production-level monitoring and control.

• Master/Slave capability (up to two compressors)

• Internal ModBus communication

• User-friendly display interface

• Alarm log (stores last 20 events)

• Weekly programmable scheduling

• Maintenance history and warnings

This allows your maintenance team to manage uptime efficiently and prevent unexpected downtime.

Designed for Serviceability

The HDD55 is engineered for ease of maintenance.

• Removable and hinged service panels

• Hinged oil tank cover for quick access

• Fast coupling system service design

Service access is straightforward, reducing labor time and minimizing production interruption.

What You Receive When You Buy From Compressed Air Advisors Online

When you purchase the Hertz HDD55 from Compressed Air Advisors Online — America’s choice for compressed air solutions, you receive:

• Free Factory Authorized Start-Up

• Free Shipping within the Continental United States

• 10-Year Air End Warranty

• Nationwide technical support and system guidance

We are not just an equipment seller. We are a nationwide compressed air partner helping industrial facilities properly size, configure, and support their systems for long-term performance.

Ideal Applications

• Manufacturing facilities

• CNC and fabrication shops

• Automotive production lines

• Packaging operations

• Industrial plants requiring continuous-duty compressed air

If your production runs all day, your compressor needs to do the same.