Kussmaul Auto Pump® AC 100 PSI

Maintains Air Brake System Pressure. Compensates for System Leaks.

The Auto Pump 120 Volt AC is a specialized vehicle-mounted auxiliary air compressor engineered for emergency vehicles, fire trucks, ambulances, and other fleet vehicles equipped with air brake systems. Designed for dependable performance, the Auto Pump features a direct-drive AC motor coupled directly to the compressor, eliminating belts and pulleys for reduced maintenance, extended service life, and reliable operation.

• Model 091-9B-4 is previously 091-9B-1
  Model 091-9B-4-AD is previously 091-9B-1-AD
• 100 PSI Max Rating, 120V AC, 60 Hz, 4.0 Amps
• Vehicle mount compressor ensures air brake system is properly pressurized for immediate truck departure from station
• Automatically purges water separator bowl every time compressor cycles off via a normally open solenoid
• Pressure switch regulated operation automatically senses low pressure in air system and restores proper pressure, preventing brake lock-up
• No interference with engine mounted air compressor
• Factory set PSI actuation points: 75 "On", 95 "Off" with Adjustment differential 20 PSI
• Sealed ball bearings for long service life
• Compact size
• 2-year warranty