User's Manual

BA-921
®
Air Compressor
(Core Class 2K)
C15, C18
5012533X
(40 tooth drive gear)
BA-921
®
Air Compressor
(Core Class 2K)
C11 Acert
®
, C13 Acert
5014428X
(42 tooth drive gear)
BA-921
®
Air Compressor
(Core Class 1X)
K075155X
Navistar
®
IBB Side Mount
Core Group 1X
BA-921
®
Air Compressor
(Core Class 2J)
5016614X
5016799X (with gasket kit)
(4-bolt head and 63 tooth
drive gear
with a 21 tooth spline)
Governor pad included on
cylinder head.
BA-921
®
Air Compressor
(Core Class 2J)
5018653X
(6-bolt head and 63 tooth
drive gear
with a 21 tooth spline)
DDC
®
Series 60
Core Group 1J
Bendix
®
BA-921
®
Remanufactured Compressors
Our most popular congurations.
w/core group and core class identication
CAT
®
Core Group 1K
2
BA-921
®
Air Compressor
(Core Class 2K)
5010806X
Rear Flange Rotation - 0°
BA-921
®
Air Compressor
(Core Class 2K)
5014428X
Rear Flange Rotation - 30°
CAT
3126, C7 Acert, C9 Acert
Core Group 2K
Rotation
(30° Shown)
Note: Flange gasket must be
purchased from Caterpillar.