147-4307-405-2HS - National Vacuum - 4307 Frame Mount Blower Gearbox Drive Enclosed Ultra Right High Shaft - LJI Part: 147-4307-405-2HS

Oil-free operation matters on a vacuum truck because there is nothing to carry over into the load. The Challenger 4307 is a tri-lobe pump moving 560 CFM free air, built for extended duty.

• Model: Challenger 4307
• Air flow: 560 CFM free air
• Power requirement: 36.4 HP required at 27 in. HG
• Drive: gearbox drive
• Mounting: frame mount
• Supplied with a high shaft, the Ultra Right configuration and an enclosure
• Tri-lobe design, oil-free operation
• Ballast air injection cooling for extended run times
• Maximum pressure: 15 psi
• Recommended operating speed: 4000 RPM (4500 RPM is intermittent use only)
• Keep exhaust gas temperature below 380°F
• Designed, built and supported in the USA