If you’re shopping for a 5 hp two-stage air compressor pump, you want dependable power, solid build quality, and compatibility with larger tanks. This guide highlights five Amazon-listed pumps that fit 80-gallon tanks or larger, deliver strong CFM at higher PSI, and come from recognized brands in compression technology. The top buyers are professionals, workshop owners, and serious hobbyists who need consistent airflow for painting, carpentry, tire service, or industrial tasks. Below, you’ll find concise comparisons and practical buying notes to help you choose the right unit for your setup.
| Product | Max PSI | CFM (at rated PSI) | Best For | Notes |
|---|---|---|---|---|
| 5 HP Replacement Air Compressor Pump Two Stage 2 Cylinder Cast Iron 19 SCFM Max with Intake Filter for 80 Gallon or Larger CS1105T | ≈900 RPM rated, high limit | 19 SCFM | Professionals needing 80+ gal tanks | Cast iron, two-cylinder |
| NorthStar Air Compressor Pump, 175 Max. PSI, 24.4 CFM at 90 PSI, 2-Stage | 175 PSI | 24.4 CFM at 90 PSI | Pro shops seeking robust cooling | Full cast iron, V-style cooling |
| VEVOR Air Compressor Pump Head, 5.5HP Twin Cylinder, 185 PSI | 185 PSI | 5.75 CFM @ 90 PSI | Versatile tasks, wide use | Oil-lubricated, air filter, heat fins |
| 5 HP Two Stage Cast Iron Pump, Dual Cylinder 2 Stage, 20 CFM at 175 PSI | 175 PSI | 20 CFM | Industrial 2-stage reliability | Inline design, Brazilian-made |
| Air Compressor Head Pump, 175 PSI Twin Cylinder, 21 CFM | 175 PSI | 21 CFM | Low-noise, double-stage head | Cast iron, efficient cooling |
5 HP Replacement Two-Stage Pump for 80+ Gallon Tanks
Brand: compressor-source. This durable two-cylinder cast iron pump delivers up to 18.71 CFM at 860 RPM with a maximum 900 RPM range and is commonly paired with 80-gallon or larger tanks. Best for jobs requiring sustained air flow with a large storage reservoir. Caution: ensure motor and belt alignment is correct to minimize vibration and wear.
NorthStar 2-Stage Pump, 175 PSI, 24.4 CFM
Brand: NorthStar. Features full cast iron construction with a V-style cylinder design for superior cooling and an FC35-grade cast iron pump head. This pump is best for high-demand shop environments where long runtimes and cooler operation support consistent performance. Caution: heavier unit may require reinforcement for portable setups.
VEVOR Twin-Cylinder Pump Head, 5.5HP, 185 PSI
Brand: VEVOR. A 5.5HP twin-cylinder, oil-lubricated head delivering 5.75 CFM at 90 PSI and up to 185 PSI. Notable for its belt-driven design, heat dissipation fins, intake/exhaust valve design, and an oil sight/mirror for maintenance. Best for users needing a durable, high-pressure head with straightforward maintenance. Caution: motor not included; plan for a compatible power source.
5 HP Two-Stage Inline Pump, 20 CFM at 175 PSI
Brand: PRO-EDGE INDUSTRIAL PNEUMATICS AND CONTROLS. Inline 2-cylinder, two-stage pump with solid cast iron construction, 20 CFM at 175 PSI, and a 16.5″ flywheel. This Brazil-made unit is designed for CCW rotation and features a single-groove pulley for a smooth drive. Best for steady, high-PSI applications; consider alignment and mounting constraints. Caution: may require precise motor matching and alignment to limit vibration.
InSyoForeverEC Twin Cylinder Head Pump, 175 PSI, 21 CFM
Brand: InSyoForeverEC. Oil-lubed twin-cylinder head with 21 CFM at 175 PSI, 4 kW drive, and 800 RPM. Notable for its compact size and cast iron build, making it suitable for higher-output work including painting and woodworking. Best for applications requiring strong pressure with relatively low noise. Caution: mounting space and alignment must be respected to maximize life.
AreMOLO 5HP Double Stage Pump Head with Filter
Brand: AreMOLO. A 5HP double-stage, 4 kW head with a cast iron body and integrated air filter. Delivers high-volume air with stable operation and good cooling. Best for industrial environments needing robust performance and easy maintenance. Caution: needs precise motor and belt alignment for best results.
5 HP Inline Two-Stage Pump, 20 CFM @ 175 PSI
Brand: PRO-EDGE INDUSTRIAL PNEUMATICS AND CONTROLS. Inline 2-cylinder, 20 CFM at 175 PSI with solid cast iron construction. Designed for high-output tasks and reliable operation in demanding environments. Best for stationary setups where a robust, inline design simplifies mounting. Caution: ensure correct motor pairing and alignment to prevent premature wear.
Buying Guide: Key Purchase Considerations
- Tank compatibility: Most of these pumps are aimed at 80-gallon or larger tanks. Confirm your tank size before selecting a pump to ensure proper air volume and recovery rate.
- Max pressure and CFM: Compare PSI ratings and CFM at your intended operating pressure. Higher PSI matters for tool performance, while CFM governs delivery speed for multiple tools.
- Construction: Cast iron heads and cylinders offer durability and better heat management under continuous use. Consider oil-lubricated designs for longevity but account for maintenance needs.
- Mounting and alignment: Belt-driven, inline, and dual-stage configurations have different alignment requirements. Misalignment can increase vibration and reduce life.
- Maintenance features: Look for oil sight mirrors, fins for cooling, and accessible valves to simplify routine checks and service.
- Motor compatibility: Some pumps require a separate motor; verify horsepower, pulley sizes, and drive ratios to avoid mismatches.
- Noise and heat: Dual-stage designs with good cooling are typically quieter and cooler under load, improving performance in busy spaces.
Frequently Asked Questions
- What is a two-stage air compressor pump? A two-stage pump compresses air in two steps, delivering higher pressure and more efficient air delivery for high-PSI tools.
- Why choose a 5 HP pump for a large tank? Larger tanks need rapid air recovery and stable pressure; a 5 HP pump helps maintain consistent CFM at higher psi levels.
- What does CFM indicate? CFM (cubic feet per minute) measures air volume delivered; higher CFM supports faster tool usage or multiple tools.
- Is oil lubrication necessary? Oil-lubricated pumps tend to last longer and run cooler, but require periodic oil maintenance and checks.
- Do I need to match the motor with the pump? Yes. Motor horsepower, pulley alignment, and belt setup must align with the pump’s design for optimal performance.
- Can these pumps fit any brand of tank? Fit depends on tank size, head mounting, and inlet/outlet configuration; verify compatibility with your compressor system.