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𝗙𝗥𝗘𝗘 𝗦𝗛𝗜𝗣𝗣𝗜𝗡𝗚 𝗜𝗡 𝗟𝗢𝗪𝗘𝗥 𝟰𝟴 𝗦𝗧𝗔𝗧𝗘𝗦 & 𝗡𝗢 𝗦𝗔𝗟𝗘𝗦 𝗧𝗔𝗫
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20 Gallon Vertical Air Compressor | 2HP Single Phase | Cast Iron Pump | Belt Driven | Castair

Original price $1,286.00 - Original price $1,286.00
Original price
$1,286.00
$1,286.00 - $1,286.00
Current price $1,286.00
We Will Beat Any Competitor Price.
Just call us at (888) 388-6514, or message us by clicking on the blue Live Chat button in the bottom right corner or email at sales@forgeclaw.com

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What Sets Us Apart
12-Month Warranty (Industry-Leading Coverage)
Free Shipping (Lower 48 US States)
• Comes with hoses, fittings, and couplers (Jobsite ready)
  • Cast iron pump
  • Belt driven design
  • 20 gallon capacity
  • 10.4 CFM output
  • 115V single phase
  • Vertical tank design
  • Heavy duty wheels
  • Sight glass included
  • USA made tank
  • Load-less start system
Overview

The CASTAIR Garage Series 20-gallon vertical air compressor delivers professional-grade performance to workshops, garages, and job sites without the premium price tag. This 2HP single-phase unit runs on standard 115V power, making it perfect for contractors, automotive professionals, and serious DIYers who need reliable compressed air for pneumatic tools, tire inflation, and general shop work.

What separates this compressor from typical garage units is its cast iron pump construction and belt-driven design. While many compressors cut costs with aluminum pumps or direct-drive systems, CASTAIR builds this unit with a slow-running, oil-lubricated cast iron pump that operates at lower RPMs for quieter operation and significantly longer service life.

The 20-gallon ASME-compliant tank is manufactured right here in the USA and finished with a durable blue powder coat that resists corrosion and wear. This tank size hits the sweet spot between air storage capacity and portability, giving you enough reserve air for demanding pneumatic tools while staying manageable for one-person transport around your workspace.

Forge Claw partnered with CASTAIR to bring you this exceptional compressor because it represents real value for working professionals. The build quality exceeds what you'd typically find in this price range, with automotive-grade components and thoughtful engineering throughout every detail.

The compressor delivers 10.4 CFM at 0 PSI and 6.5 CFM at 100 PSI, providing sufficient airflow for impact wrenches, nail guns, spray equipment, and air tools commonly used in automotive repair, woodworking, and light construction. The single-stage v-twin pump design ensures smooth operation with 360-degree cooling around both cylinders.

Mobility gets handled by large 10-inch tall, 3-inch wide wheels with steel hubs and dual ball bearings. These wheels roll smoothly over shop floors, gravel, and uneven surfaces without the wobbling or binding you'll experience with cheaper wheel assemblies. The vertical tank design keeps the footprint compact while maximizing your air storage capacity.

CASTAIR includes several professional touches that distinguish this compressor from typical garage units. The automotive-type air filter with paper element provides clean intake air while contributing to quieter operation. An easy-to-read sight glass lets you check oil level at a glance without guesswork or removing caps.

The electrical system focuses on reliability with a bleeder pressure switch that allows load-less starts, reducing stress on your electrical circuit and extending motor life. The unit requires a 20-amp outlet and should never be operated on extension cords or GFI circuits, which is standard practice for professional air compressors in this power range.

For professionals who demand reliability day after day, this CASTAIR compressor delivers the durability and consistent performance your work requires. The belt-driven pump runs cooler and lasts longer than direct-drive alternatives, while the cast iron construction handles the thermal cycling and demanding duty cycles that come with professional use.

Whether you're running a small auto repair shop, doing finish carpentry, or need reliable compressed air for farm and ranch maintenance, this compressor provides the capacity and durability to handle your daily workload. Forge Claw stocks these units for immediate availability, and our technical support team can help you determine if this model matches your specific air requirements.

The unit's design prioritizes both performance and convenience for the working professional. You won't find yourself constantly waiting for the tank to rebuild pressure between tool uses, and the robust construction means you can count on it showing up ready to work every single day.

Specifications
  • Tank Capacity: 20 gallons
  • Motor: 2HP, single phase, 115V
  • Air Delivery: 10.4 CFM at 0 PSI, 6.5 CFM at 100 PSI
  • Pump Type: Single stage, belt-driven, oil-lubricated cast iron
  • Tank Construction: ASME-compliant, USA-made steel with powder coat finish
  • Pump Design: V-twin configuration with 360-degree cooling
  • Wheels: 10-inch tall, 3-inch wide with steel hubs and dual ball bearings
  • Electrical Requirements: 20-amp outlet, 115V single phase
  • Air Filter: Automotive-type with paper element
  • Oil Level Indicator: Sight glass for easy monitoring
  • Pressure Switch: Bleeder type for load-less starts
  • Configuration: Vertical portable design
  • Manufacturer: CASTAIR
  • Tank Origin: Made in USA
Features
  • Cast Iron Belt-Driven Pump — operates at low RPMs with oil lubrication for quiet operation and extended service life compared to direct-drive aluminum pumps
  • Automotive-Grade Air Filter — paper element filter provides clean intake air and reduces operating noise for a more pleasant work environment
  • Easy-Read Sight Glass — allows quick visual confirmation of proper oil level without removing caps or guessing at maintenance needs
  • USA-Made ASME Tank — 20-gallon steel tank manufactured domestically with blue powder coat finish for corrosion resistance and durability
  • Heavy-Duty Wheel Assembly — 10-inch tall wheels with steel hubs and dual ball bearings provide smooth mobility over various surfaces without wobbling
  • V-Twin Pump Design — twin cylinder configuration with 360-degree cooling ensures consistent performance and even heat distribution during operation
  • Automotive Main Bearings — ball bearing crankshaft support provides excellent durability and smooth operation under demanding conditions
  • Load-Less Start System — bleeder pressure switch reduces electrical load during startup, extending motor life and reducing circuit stress
Benefits

This compressor saves you significant time on pneumatic tool operations compared to smaller tank units that cycle constantly during use. The 20-gallon capacity provides sustained airflow for extended periods, letting you complete tasks without interruption while the pump catches up.

The cast iron pump construction delivers exceptional durability that translates directly to lower operating costs over the compressor's lifetime. You'll experience fewer breakdowns, longer intervals between major services, and consistent performance that keeps your projects moving forward on schedule.

Belt-driven operation means quieter performance in your workspace, which matters when you're spending hours each day around the equipment. The reduced noise levels also make it more neighbor-friendly in residential garage settings and less fatiguing during extended work sessions.

Your productivity increases dramatically when you can rely on consistent air pressure for pneumatic tools without constant cycling interruptions. Whether you're running impact guns, sanders, or nail guns, the sustained air delivery keeps your workflow smooth and efficient.

The robust wheel assembly and vertical design mean you can easily reposition the compressor around your workspace as needed without wrestling with awkward equipment. This mobility lets you bring the air source closer to your work area, reducing the need for long air hose runs that can reduce pressure and create trip hazards.

Professional-grade components like the automotive air filter and sight glass oil indicator reduce maintenance guesswork and help prevent costly repairs from neglected upkeep. You'll know exactly when the unit needs attention without having to disassemble anything or follow complicated procedures.

The electrical design with load-less starting protects both the compressor motor and your shop's electrical system from the stress spikes that can cause premature failures. This engineering detail extends equipment life while preventing nuisance breaker trips that interrupt your work.

Additional Information

This compressor works perfectly for automotive professionals, woodworkers, contractors, and farm operators who need reliable compressed air for daily operations. The 115V single-phase power requirement means it'll work in most workshop environments without requiring special electrical installations or three-phase power.

The unit integrates seamlessly with standard pneumatic tools and air accessories you're already using. Standard quick-connect fittings and regulation equipment work perfectly with this compressor, so you won't need to replace existing tools or adapt your current setup.

For optimal performance, position the compressor on level ground in a well-ventilated area away from heat sources and combustible materials. Regular oil level checks through the sight glass and periodic air filter replacement will keep the unit running at peak efficiency for years of reliable service.

Maintenance requirements remain straightforward with standard oil changes and air filter replacement according to the manufacturer's schedule. The sight glass eliminates guesswork about oil levels, and the automotive-type filter uses readily available replacement elements that won't break your maintenance budget.

Warranty Info

Manufactured by Castair, this product is covered under the manufacturer's standard warranty for defects in materials and workmanship. Contact Forge Claw for full warranty details and authorized service options. Order your 20 Gallon Vertical Air Compressor for Workshop | 2HP Single Phase | Cast Iron Pump | Belt Driven | Castair from Forge Claw today. Multiple financing options are available for qualified buyers.

Video Overview

What CFM and PSI does this compressor deliver?

This air compressor delivers 10.4 CFM at 0 PSI and 6.5 CFM at 100 PSI through its single-stage V-twin cast iron pump. The maximum operating pressure reaches standard shop levels for most pneumatic tools. The CFM rating represents actual air delivery under working conditions, not theoretical pump displacement. This airflow capacity handles impact wrenches, nail guns, spray equipment, and general air tools used in automotive repair, woodworking, and light construction work. The belt-driven design maintains consistent airflow while operating at lower RPMs than direct-drive units. The 20-gallon tank provides adequate air storage to minimize motor cycling during intermittent tool use. Professional contractors and serious DIYers will find this airflow sufficient for most workshop applications requiring compressed air. Forge Claw offers multiple financing options for qualified buyers.

What air tools can I run with this compressor?

This compressor powers a wide range of pneumatic tools commonly used by contractors and automotive professionals. Impact wrenches, nail guns, brad nailers, staple guns, and finish nailers operate effectively within the 6.5 CFM at 100 PSI output. Spray guns for painting and finishing work perform well with proper technique and nozzle selection. Air ratchets, blow guns, tire inflation equipment, and general shop tools work excellently. The 20-gallon tank provides sufficient air storage for tools with intermittent demand patterns. Continuous-use tools like sanders or grinders may require more airflow than this unit provides. Most automotive repair tools including impact sockets, air chisels, and body shop equipment operate within specifications. The cast iron pump delivers steady pressure for consistent tool performance. Professional-grade pneumatic tools designed for 90-100 PSI operation match this compressor's capabilities perfectly.

Is this compressor portable enough for job sites?

Yes, this vertical design balances portability with air storage capacity for mobile applications. The 10-inch tall wheels with steel hubs and dual ball bearings roll smoothly over shop floors, gravel, and uneven surfaces without wobbling or binding. One person can maneuver the unit around workshops and load it into trucks or trailers. The vertical tank design minimizes the footprint while maximizing 20-gallon capacity. Heavy-duty wheel construction handles rough surfaces better than typical compressor wheels. The compact footprint fits into work trucks and storage areas efficiently. Standard 115V power requirement means it operates from common job site outlets without special electrical needs. The robust construction withstands transportation vibration and job site conditions. Contractors appreciate the mobility for moving between work areas while maintaining sufficient air storage. The balance of tank size and portability makes it ideal for small crews needing reliable compressed air.

What maintenance does this compressor require?

Regular maintenance focuses on the oil-lubricated cast iron pump and air filtration system. Check oil level using the sight glass before each use and change pump oil according to operating hours or manufacturer schedule. The automotive-type air filter with paper element requires periodic cleaning or replacement to maintain proper airflow and reduce operating noise. Drain moisture from the tank regularly, especially in humid conditions, to prevent corrosion and contamination. Check belt tension and condition periodically since the belt-driven design depends on proper belt maintenance. Inspect safety relief valve operation and tank condition during routine maintenance. The cast iron pump construction requires less frequent maintenance than aluminum alternatives due to superior durability. Professional users should establish maintenance schedules based on operating hours and environmental conditions. The sight glass eliminates guesswork for oil level checks, simplifying routine maintenance. Proper maintenance ensures reliable operation and extends service life significantly.

How does tank size affect how long I can run tools continuously?

The 20-gallon tank provides substantial air storage for intermittent tool use while minimizing motor cycling. Tools with high continuous air demand will deplete tank pressure faster, causing the motor to restart and rebuild pressure. Impact tools and nail guns typically use air in short bursts, allowing the tank to maintain pressure between uses effectively. Continuous-use tools like sanders or spray guns may require the motor to run constantly once tank pressure drops. The tank size represents a balance between air storage capacity and portability for workshop and light job site use. Larger tanks provide longer run times but reduce portability significantly. The 10.4 CFM pump output determines recovery time after heavy air usage. Professional users often prefer this tank size for versatility across different tool applications. Understanding your specific air usage patterns helps determine if this capacity matches your workflow requirements. The ASME-compliant construction ensures safe operation at working pressures.

Overview

The CASTAIR Garage Series 20-gallon vertical air compressor delivers professional-grade performance to workshops, garages, and job sites without the premium price tag. This 2HP single-phase unit runs on standard 115V power, making it perfect for contractors, automotive professionals, and serious DIYers who need reliable compressed air for pneumatic tools, tire inflation, and general shop work.

What separates this compressor from typical garage units is its cast iron pump construction and belt-driven design. While many compressors cut costs with aluminum pumps or direct-drive systems, CASTAIR builds this unit with a slow-running, oil-lubricated cast iron pump that operates at lower RPMs for quieter operation and significantly longer service life.

The 20-gallon ASME-compliant tank is manufactured right here in the USA and finished with a durable blue powder coat that resists corrosion and wear. This tank size hits the sweet spot between air storage capacity and portability, giving you enough reserve air for demanding pneumatic tools while staying manageable for one-person transport around your workspace.

Forge Claw partnered with CASTAIR to bring you this exceptional compressor because it represents real value for working professionals. The build quality exceeds what you'd typically find in this price range, with automotive-grade components and thoughtful engineering throughout every detail.

The compressor delivers 10.4 CFM at 0 PSI and 6.5 CFM at 100 PSI, providing sufficient airflow for impact wrenches, nail guns, spray equipment, and air tools commonly used in automotive repair, woodworking, and light construction. The single-stage v-twin pump design ensures smooth operation with 360-degree cooling around both cylinders.

Mobility gets handled by large 10-inch tall, 3-inch wide wheels with steel hubs and dual ball bearings. These wheels roll smoothly over shop floors, gravel, and uneven surfaces without the wobbling or binding you'll experience with cheaper wheel assemblies. The vertical tank design keeps the footprint compact while maximizing your air storage capacity.

CASTAIR includes several professional touches that distinguish this compressor from typical garage units. The automotive-type air filter with paper element provides clean intake air while contributing to quieter operation. An easy-to-read sight glass lets you check oil level at a glance without guesswork or removing caps.

The electrical system focuses on reliability with a bleeder pressure switch that allows load-less starts, reducing stress on your electrical circuit and extending motor life. The unit requires a 20-amp outlet and should never be operated on extension cords or GFI circuits, which is standard practice for professional air compressors in this power range.

For professionals who demand reliability day after day, this CASTAIR compressor delivers the durability and consistent performance your work requires. The belt-driven pump runs cooler and lasts longer than direct-drive alternatives, while the cast iron construction handles the thermal cycling and demanding duty cycles that come with professional use.

Whether you're running a small auto repair shop, doing finish carpentry, or need reliable compressed air for farm and ranch maintenance, this compressor provides the capacity and durability to handle your daily workload. Forge Claw stocks these units for immediate availability, and our technical support team can help you determine if this model matches your specific air requirements.

The unit's design prioritizes both performance and convenience for the working professional. You won't find yourself constantly waiting for the tank to rebuild pressure between tool uses, and the robust construction means you can count on it showing up ready to work every single day.

Specifications
  • Tank Capacity: 20 gallons
  • Motor: 2HP, single phase, 115V
  • Air Delivery: 10.4 CFM at 0 PSI, 6.5 CFM at 100 PSI
  • Pump Type: Single stage, belt-driven, oil-lubricated cast iron
  • Tank Construction: ASME-compliant, USA-made steel with powder coat finish
  • Pump Design: V-twin configuration with 360-degree cooling
  • Wheels: 10-inch tall, 3-inch wide with steel hubs and dual ball bearings
  • Electrical Requirements: 20-amp outlet, 115V single phase
  • Air Filter: Automotive-type with paper element
  • Oil Level Indicator: Sight glass for easy monitoring
  • Pressure Switch: Bleeder type for load-less starts
  • Configuration: Vertical portable design
  • Manufacturer: CASTAIR
  • Tank Origin: Made in USA
Features
  • Cast Iron Belt-Driven Pump — operates at low RPMs with oil lubrication for quiet operation and extended service life compared to direct-drive aluminum pumps
  • Automotive-Grade Air Filter — paper element filter provides clean intake air and reduces operating noise for a more pleasant work environment
  • Easy-Read Sight Glass — allows quick visual confirmation of proper oil level without removing caps or guessing at maintenance needs
  • USA-Made ASME Tank — 20-gallon steel tank manufactured domestically with blue powder coat finish for corrosion resistance and durability
  • Heavy-Duty Wheel Assembly — 10-inch tall wheels with steel hubs and dual ball bearings provide smooth mobility over various surfaces without wobbling
  • V-Twin Pump Design — twin cylinder configuration with 360-degree cooling ensures consistent performance and even heat distribution during operation
  • Automotive Main Bearings — ball bearing crankshaft support provides excellent durability and smooth operation under demanding conditions
  • Load-Less Start System — bleeder pressure switch reduces electrical load during startup, extending motor life and reducing circuit stress
Benefits

This compressor saves you significant time on pneumatic tool operations compared to smaller tank units that cycle constantly during use. The 20-gallon capacity provides sustained airflow for extended periods, letting you complete tasks without interruption while the pump catches up.

The cast iron pump construction delivers exceptional durability that translates directly to lower operating costs over the compressor's lifetime. You'll experience fewer breakdowns, longer intervals between major services, and consistent performance that keeps your projects moving forward on schedule.

Belt-driven operation means quieter performance in your workspace, which matters when you're spending hours each day around the equipment. The reduced noise levels also make it more neighbor-friendly in residential garage settings and less fatiguing during extended work sessions.

Your productivity increases dramatically when you can rely on consistent air pressure for pneumatic tools without constant cycling interruptions. Whether you're running impact guns, sanders, or nail guns, the sustained air delivery keeps your workflow smooth and efficient.

The robust wheel assembly and vertical design mean you can easily reposition the compressor around your workspace as needed without wrestling with awkward equipment. This mobility lets you bring the air source closer to your work area, reducing the need for long air hose runs that can reduce pressure and create trip hazards.

Professional-grade components like the automotive air filter and sight glass oil indicator reduce maintenance guesswork and help prevent costly repairs from neglected upkeep. You'll know exactly when the unit needs attention without having to disassemble anything or follow complicated procedures.

The electrical design with load-less starting protects both the compressor motor and your shop's electrical system from the stress spikes that can cause premature failures. This engineering detail extends equipment life while preventing nuisance breaker trips that interrupt your work.

Additional Information

This compressor works perfectly for automotive professionals, woodworkers, contractors, and farm operators who need reliable compressed air for daily operations. The 115V single-phase power requirement means it'll work in most workshop environments without requiring special electrical installations or three-phase power.

The unit integrates seamlessly with standard pneumatic tools and air accessories you're already using. Standard quick-connect fittings and regulation equipment work perfectly with this compressor, so you won't need to replace existing tools or adapt your current setup.

For optimal performance, position the compressor on level ground in a well-ventilated area away from heat sources and combustible materials. Regular oil level checks through the sight glass and periodic air filter replacement will keep the unit running at peak efficiency for years of reliable service.

Maintenance requirements remain straightforward with standard oil changes and air filter replacement according to the manufacturer's schedule. The sight glass eliminates guesswork about oil levels, and the automotive-type filter uses readily available replacement elements that won't break your maintenance budget.

Warranty Info

Manufactured by Castair, this product is covered under the manufacturer's standard warranty for defects in materials and workmanship. Contact Forge Claw for full warranty details and authorized service options. Order your 20 Gallon Vertical Air Compressor for Workshop | 2HP Single Phase | Cast Iron Pump | Belt Driven | Castair from Forge Claw today. Multiple financing options are available for qualified buyers.

Video Overview