Phillips X/C 25W-60

X/C® Aviation Oil

Phillips 66® X/C Aviation Oil is an ashless dispersant, multi-grade engine oil 
specially formulated for year-round use in aircraft piston engines. It provides 
distinct performance benefi ts compared with single-grade engine oils, including 
easier starting and faster oil circulation at low temperatures, reduced warm-up 
time, and reduced oil consumption in most engines. It maintains its fi lm strength 
under high loads and at high temperatures to protect against wear and piston 
scuffi ng. The ashless dispersant formulation helps minimize the formation of 
engine sludge, varnish, piston deposits and combustion chamber deposits, 
resulting in a much cleaner engine compared with the use of straight (nondispersant) mineral oils.

X/C 25W-60 Aviation Oil is recommended for use in radial piston engines and 
in other aviation piston engines originally designed to run on heavier-grade oils, 
such as Commercial Grade 120.

X-C Aviation Product Data Sheet (PDS)

X/C Aviation Safety Data Sheet (SDS)