Paccar FX-20, Operator'S Manual, Page: 16 / 56

Type of Lube
System Lubricant SAE Change Interval for Line
Haul Change Interval for Vocational
Steer Axle Oil Bath
(Adjusted)
Mineral Base SAE 75W,
75W-90,
75W140,
80W-90,
85W-140 120,000 miles (193,000
km) or 1 year 60,000 miles (95,000 km) or 6 months
Steer Axle Semi-
Fluid (Adjusted)
Semi-Fluid
Synthetic Grease Delo SF, Mobil
SHC 007 120,000 miles (193,000
km) or 1 year 60,000 miles (95,000 km) or 6 months
Steer Axle Grease
Pack (Adjusted)
Heavy-Duty
Multipurpose
Lithium Base #2 Grade 120,000 miles (193,000
km) or 1 year 60,000 miles (95,000 km) or 6 months
FX-20 / FX-22 Axle
Lubrication
Kingpins, Thrust Bearings, and Tie
Rod Ends
On-Highway Applications - Standard
• Pressure lubricate every 6 months
or 25,000 miles (40,000 km).
• A more frequent lubrication cycle is
required for axles used in on/off-
highway, refuse, or other severe
service applications. Use heavy-
duty, multipurpose lithium base (#2
grade) grease.
NOTE
DO NOT mix with sodium-based
grease.
MAINTENANCE - FX-20 / FX-22 Axle Lubrication
14 Y53-1280-1B1 (07/2022)
2