2015/03/25 Caterpillar

Engine:

3516C (S/N: SKC1-UP; SCJ1-UP; SCK1-UP; SFK1-UP)

C175-16 (S/N: WYC1-UP)

Engine News SEBD9984, 25 March 2015 , "A New Air Compressor Group Is Available for Certain Tier 4 Interim 3516C and C175 Generator Set Engines". Disregard this previous article. The article that follows has been updated to highlight upgraded features.

The new air compressor group provides lower vibration levels when compared to the existing compressor group.

The new 457-2921 Air Compressor Gp utilizes a screw type compressor that has lower vibration levels over the former Air Compressor Skid. The new compressor skid has the following features:

• Twin screw type compressor for long life operation

• Touch screen PLC controller

• Temperature control for different climates

The new air compressor skid is available in the 3516C and C175 Online Price List, Feature Code AIRCP21.The new 457-2921 Air Compressor Gp is adaptable back to first production of the above listed serial numbers.

Refer to Special Instruction, REHS9687, "Compressed Air Packaged System" for additional information.