The 165 psi max pressure, 4 gallon tank allows for longer tool runtimes in a more compact and lighter design. The oil-free pump causes no oil spills/contamination and allows for maintenance-free operation. The compressor weights only 29 pounds for easy portability.
The Porter-Cable C2004-WK Features:
165 psi max pressure, 4 gallon tank for longer tool runtimes in a more compact, lighter design
2.6 SCFM* @ 90 psi for fast recovery time (*per ISO1217)
Oil-free pump for no oil spills/contamination and maintenance-free operation
Low Amp 120V motor starts easily in cold weather or with extension cord
Only 29 lbs for easy portability
75.5 dBA (per ISO3744) for a quieter work environment