Paccar PX 8 Operator's Manual - page 56
Maintenance Guidelines
– 50 –
Y53-1030A 12/09
PACCAR
PACCAR bases its oil drain specifications on duty cycle and
oil contamination. This contamination occurs in all engines at
varying rates regardless of design.
Maintaining the correct oil and filter change interval is a vital
factor in preserving the integrity of an engine. Filters must be
changed when the oil is changed.
14,500 km [9000 mi], 500 hours, 6 months, or 7571 liters [2000 US
gal] of fuel, whichever occurs first.
24,000 km [15,000 mi], 500 hours, 6 months, or 7571 liters [2000 US
gal] of fuel, whichever occurs first.
Vehicle uses the severe-duty oil drain interval (A).
Vehicle uses the normal-duty oil drain interval (B)
Table 1—Maximum Oil Drain Intervals
(A) Severe Duty
(If the Vehicle Meets Any of These Conditions)
(B) Normal Duty
(If the Vehicle Meets Both of These Conditions)
Table 2—Oil Drain Intervals
Refuse Truck, Mixer, or Dump Truck
Kilometers
Miles
Hours
Months
Below 10 mph average
4,850
3,000
500
6
10 to 15 mph average
9,650
6,000
500
6
15 to 20 mph average
13,700
8,500
500
6
20 to 25 mph average
14,500
9,000
500
6
Higher than 25 mph average
19,000
12,000
500
6