| Model | Portable Open MCH6 / 3E | Portable Open MCH6 / 3.5E | Portable Open MCH6 / 3.5G |
| Filling Time* | Approx. 23 Minutes | Approx. 19 Minutes | Approx. 19 Minutes |
| Cubic Feet/Minute | 2.8 FAD 3.4 SCFM | 3.5 FAD 4.2 SCFM | 3.5 FAD 4.2 SCFM |
| Liters/Minute | 80 | 100 | 100 |
| Engine Options | Single Phase Electric | Three Phase Electric | Honda Gas (Model# 8013) |
| 115 V / E1 / 60 Hz | 28 Amp (Model# 8015) | N/A | N/A |
| 230V / E1 / 50 or 60 Hz | 14 Amp (Model# 8014.1) | N/A | N/A |
| 230V / E3 / 50 or 60 Hz | N/A | 11 Amp (Model# 8016.2) | N/A |
| Engine Power | 3 hp (2.2 kW) | 4 hp (3 kW) | 6.5 hp (4.85 kW) |
| Max Operating Pressure | 4500 PSI (310 bar) | 4500 PSI (310 bar) | 4500 PSI (310 bar) |
| RPM | 2240 | 2800 | 2800 |
| Number of Stages | 4 | 4 | 4 |
| Number of fill hoses | 1 | 1 | 1 |
| Condensate Drain | Manual | Manual | Manual |
| Sound Level @ 3 Meters | 82dB | 83dB | 87dB |
| Dimensions (HxWxD) | 15.5″ x 26.5″ x 15″ (39 x 67 x 38 cm) | 15″ x 26″ x 15″ (38 x 65 x 38 cm) | 15″ x 31″ x 14″ (38 x 79 x 36 cm) |
| Weight | 90 lbs (41 kg) | 88 lbs (40 kg) | 84 lbs (38 kg) |
| Lubrication | Splash Lubrication, Capacity 11 oz. |
| Air Quality | DIN 3188 – CGA Grade E – NFPA 1500 – EN12021 |
| Options: |
| Autodrains | $620.61 | $620.61 | N/A |
| Stainless Steel Frame | $350 | $350 | $350 |
| Auto Shutdown Pressure Switch | $175 | $175 | $175 |
| Hour Meter | $75 | $75 | Standard |
| CO & Moisture Indicator | $120 | $120 | $120 |
