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Component
1
Maintenance Task
Recommended
Preventative
Maintenance Interval
A B C D
E
F
Overhead Set (Valves)
2
Adjust
•
Engine Brake Assembly
2
Adjust
•
Engine Steam Clean
Check
•
1
Follow the manufacturers' recommended maintenance procedures for the starter, alternator, batteries, electrical components, exhaust
brake, charge-air cooler, radiator, air compressor, air cleaner, refrigerant compressor, and fan clutch.
2
This work should be performed by a Cummins® authorized service facility.
Engine Specifications
PACCAR PX-9
Horsepower
See the EPA label on top of the front timing
gear cover.
Firing Order
1-5-3-6-2-4
Crankshaft Rotation (viewed from front of engine)
Clockwise
Displacement
540 in³ (8.9 liters)
ENGINE MAINTENANCE - Engine Specifications
42
Y53-1185-1J1 (10/21)
2
Summary of Contents for PX-9
Page 1: ...Operator s Manual Operator s Manual 2022 Model Year Warranty 2021 Emissions...
Page 2: ......
Page 3: ...PX Operator Manual PACCAR PX 9 Engine...
Page 4: ......
Page 5: ...Engine Operation 1 Engine Maintenance 2 Engine Warranty 3 Contents...
Page 78: ...ENGINE MAINTENANCE Engine Identification Y53 1185 1J1 10 21 75 2...
Page 92: ...ENGINE WARRANTY United States and Canada Engine Warranty Y53 1185 1J1 10 21 89 3...
Page 96: ...Index...