5I7748 Transmission Seal Ring for Caterpillar Excavators

The 5I7748 is a transmission seal ring used in Caterpillar excavators. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

The seal ring is listed for the following Caterpillar excavator models and machine series:

• 311-A
• 312-A
• 318C
• 319C
• 320 L
• 320-A
• 320-A L
• 320-A N
• 320B
• 320B FM LL
• 320B LL
• 320B LU
• 320B N
• 320B U
• 320C
• 320C L
• 320D
• 320D L
• 320D RR
• 320D FM RR
• 321B
• 321C
• 323D L
• 323D LN
• 323D S

Cross-reference numbers

• CA5I7748
• 5I-7748
• 5I7748

Specifications