GX Pump GX E-L3
Specifications
- Max pressure
- 4,500 psi (320 bar)
- Cooling
- high-power built-in fan, four vents
- Moisture handling
- built-in oil-water separator
- Auto-stop
- Yes
- Duty cycle
- recommended 15 min work / 10 min rest per Walmart-listed manual excerpt
- Noise
- 72 dB
- Weight
- 17.8 lb
- Vessel guidance
- Manufacturer states a hard maximum vessel of 1L; can reach 320 bar which exceeds the 300 bar ceiling on some rival portables, useful for guns like the Huben K1 rated to 350 bar
- Also sold as
- GX pump E L3, GX-L3
Estimated fill times
| Vessel | 0 → 250 bar | 200 → 300 bar |
|---|---|---|
| gun cylinder 0.3L | 6.5 min | 2.6 min |
| 1L bottle | 21.7 min | 8.7 min |
| 2L bottle | 43.3 min | 17.3 min |
| 3L bottle | 65 min | 26 min |
| 6.8L (74ci) tank | 147.3 min | 58.9 min |
| 9L (97ci) tank | 195 min | 78 min |
All values estimated from stated manufacturer or reviewer benchmarks (3 benchmarks); treat as run-time, not wall-time, past the unit's duty-cycle guidance.
Where to buy
Prices captured 2026-07-06; follow the link for current pricing and stock.
About GX Pump
GX Pump has spent two decades building portable PCP compressors, and it shows in the details that matter: patented compression structures, roller bearings at the wrist pin, and a model range that runs from the entry CS1 up to the water-cooled CS4 with its five-hour continuous duty rating. The -I variants build the 110V converter into the body so one unit covers home outlets and car batteries alike. GX also backs its machines with a genuinely useful parts store, offering filters, seals, fans, and rebuild components that keep these compressors serviceable for years.
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Open my locker →Specifications come from manufacturer pages and named retailer listings; blanks mean a value wasn't published, not that it's zero. Fill-time figures are derived estimates, not lab measurements. Always follow the manufacturer's fill and duty-cycle guidance.