4LCB-21-M400X GAST Robust Oil Piston Air Compressor

Review GAST Robust Oil-less Piston Air Compressor 1/2 Hp 115/230v

Introducing the Gast 4LCB-21-M400x Robust Oil-Less Piston Air Compressor, a versatile and reliable solution for all your pneumatic tool needs. This compressor is powered by a 1/2 HP motor, allowing it to deliver a maximum pressure of 135 PSI and a maximum flow rate of 4.3 CFM at 90 PSI.

The Gast 4LCB-21-M400x is an oil-less design, meaning it does not require the use of lubricants during operation. This feature not only simplifies maintenance but also eliminates the risk of oil contamination in your compressed air, making it ideal for applications where clean air is essential.

The robust construction of this air compressor is evident in its durable cast iron cylinder and piston, which ensure long-lasting performance and stability. The compressor's heavy-duty belt drive system also contributes to its reliability, providing efficient power transfer from the motor to the compressor.

This air compressor is versatile, offering both 115V and 230V power options. The voltage selector switch allows for easy switching between voltage ranges, providing flexibility for use in various environments and electrical setups.

The Gast 4LCB-21-M400x also features a large 4-gallon (15.1 liters) horizontal tank, which provides ample air storage for extended use. The tank's large capacity reduces the need for frequent refills, making this compressor a suitable choice for applications that require extended periods of continuous air supply.

The compressor's control panel is designed with user-friendliness in mind. It includes a pressure gauge, a tank pressure switch, and a thermal overload protector to ensure safe and efficient operation. Additionally, the compressor comes with a set of convenient accessories, such as a 10-foot (3 meters) power cord and a 3/8-inch (10mm) coupler with a quick-connect plug.

In summary, the Gast 4LCB-21-M400x Robust Oil-Less Piston Air Compressor is a powerful, reliable, and versatile solution for your pneumatic tool needs. With its robust construction, quiet operation, and efficient performance, this compressor is an excellent investment for any workshop or industrial setting.

Pros and Cons of buying a GAST 4LCB-21-M400X Robust Oil-Less Piston Air Compressor (1/2 HP, 115/230V)

The GAST 4LCB-21-M400X is a robust oil-less piston air compressor with a 1/2 horsepower motor that operates on both 115V and 230V. This compressor is known for its reliability and durability. In this article, we will discuss the pros and cons of buying this particular air compressor to help you make an informed decision.

1. Oil-less operation: The GAST 4LCB-21-M400X is an oil-less compressor, which means that it does not require oil changes or maintenance, making it a low-maintenance option.

2. Quiet operation: This compressor operates at a relatively low noise level, making it ideal for use in residential or commercial settings where noise levels need to be kept to a minimum.

3. Robust construction: The compressor is built with a heavy-duty cast iron piston and cylinder, which provides excellent durability and longevity.

4. Versatile power options: The compressor can be used with both 115V and 230V power sources, making it a flexible option for different applications.

5. Large tank capacity: The compressor comes with a large 21-gallon tank, which provides ample air storage for longer periods of use.

1. Price: The GAST 4LCB-21-M400X is a premium air compressor, and its price point may be a deterrent for some buyers.

2. Weight: At 132 pounds, this compressor is quite heavy, which may make it difficult to transport or move around frequently.

3. Limited portability: Due to its size and weight, this compressor is not particularly portable and is best suited for stationary use.

The GAST 4LCB-21-M400X is a high-quality, robust oil-less piston air compressor that offers several advantages, including quiet operation, oil-less maintenance, and a large tank capacity. However, its high price point, weight, and limited portability may be drawbacks for some buyers.

If you are looking for a heavy-duty, reliable air compressor for stationary use in a residential or commercial setting, the GAST 4LCB-21-M400X is an excellent option to consider. Its oil-less operation and quiet operation make it a low-maintenance and versatile choice. However, if you require a more portable option or have a tighter budget, you may want to explore other compressor models.

Details:

Video shows its working and running smoothly. With the reputable brand of Gast, this product ensures quality and durability in compressed air systems. The Gast 4LCB-21-M400X is a wall-mounted air compressor with power range of 115/230v and 1/2 hp motor, operating at 1725 rpm. This compressor is designed for use in various industrial applications, providing reliable and efficient performance.

Its clean and in good order for being a 31 year old compressor. Perfect for businesses and industries requiring a dependable source of pressurized air, this compressor is valuable addition to any setup.

specifications compressorshow:

• brand: Gast
• mpn: 4lcb-21-m400x
• part type: Oil Hp 230v Piston Compressor
• compressor type: Oil-less, Piston Wall-mounted
• features: Stationary
• orientation: Vertical

seller compressorshow:

• # reviews: 48
• city: traverse city, michigan
• rating: 0.0%

payments compressorshow:

• other
• credit card: mastercard
• wallet: paypal

shipping compressorshow:

• class: standard
• carrier: usps
• service: usps ground advantage
• transit: 4-11 days
• type: calculated

general compressorshow:

• category: Business & Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Blowers > Air Compressors

returns compressorshow:

• policy: no returns

offer compressorshow:

• best offers: true
• started: december 16, 2025
• sold #: 17
• prices: $288.00–$1690.00
• item condition:
  • New
  • Used
  • New – Open box
  • Seller refurbished
• availability: in stock
• options: ship-to-home
• in stock #: 5