3949098 | Yumak® Single Cylinder Compressor For Cummins ISC / ISL

Volume 318 cm³
Piston Operating Distance 56 mm
Port 0 Ø20.4 mm
Port 2 M27x2
Port 4 Ø14 mm
Port 8.1 M10x1
Port 9.1 3/4'' - 16 UNF
Port 9.2 3/4'' - 16 UNF
Crankshaft Thread M20x1.5 RH
Number of Cylinders 1
Cooling Water
ESS Feature Yes
Water Cooled Valve Plate Yes
Maximum Operating Pressure 10 bar

1. Produce compressed air

The compressor draws in air and compresses it to a higher pressure for use in different systems.

2. Supply air for vehicle systems (especially trucks)

In heavy trucks and buses, a single-cylinder air compressor provides air for:

• Air brakes

• Air suspension

• Air-operated accessories

3. Power air tools

Used to operate:

• Impact wrenches

• Nail guns

• Ratchets

• Small pneumatic tools

4. Inflate tires and equipment

Common for:

• Car tires

• Bicycle tires

• Air mattresses

• Sports equipment

5. Provide air for small industrial or workshop tasks

Supports light-duty air needs such as:

• Blowing dust

• Painting (small spray guns)

• Cleaning parts

1. Unusual noises

• Loud knocking, rattling, or grinding sounds may indicate worn pistons, bearings, or valves.

2. Reduced air pressure

• The compressor cannot reach its normal pressure or loses pressure quickly.

• Air tools or systems may work weakly or inconsistently.

3. Overheating

• The compressor becomes unusually hot during operation, indicating internal wear or insufficient lubrication.

4. Oil leaks

• Oil leaking from seals or around the cylinder may indicate worn gaskets or piston rings.

5. Excessive vibration

• The unit shakes more than normal due to imbalance or damaged components.

6. Air leaks

• Hissing sounds or inability to maintain pressure may indicate leaks in valves, fittings, or the cylinder itself.

7. Frequent tripping of safety valves

• Pressure relief valves may release air often if the compressor cannot maintain proper operation.

8. Failure to start or run consistently

• Motor or piston issues prevent the compressor from starting or running smoothly.