Maintenance
Service Interval
Maintenance Procedure Part No.
Qty Description
121-6393 1
10W-30 Premium Engine Oil (5
gallons)
121-6392 1
10W-30 Premium Engine Oil (55
gallons)
121-6395 1
15W-40 Premium Engine Oil (5
gallons)
121-6394 1
15W-40 Premium Engine Oil (55
gallons)
Every 800 hours
Drain and clean the fuel tank. - - -
Change the front planetary-gear
oil, or yearly, whichever comes
first.
- - -
Change the oil in the rear axle.
- - -
Check the rear-wheel alignment.
- - -
If you are not using the
recommended hydraulic fluid or
have ever filled the reservoir
with an alternative fluid, replace
the hydraulic filters.
75-1310 1
Hydraulic filter
94-2621 1
Hydraulic filter
If you are not using the
recommended hydraulic fluid or
have ever filled the reservoir
with an alternative fluid, change
the hydraulic fluid.
133-8086 1
PX Extended Life Hydraulic Fluid
(5 gallons)
133-8087 1
PX Extended Life Hydraulic Fluid
(5 gallons)
Every 1,000 hours
If you are not using the
recommended hydraulic fluid,
replace the hydraulic filters.
75-1310 1
Hydraulic filter
94-2621 1
Hydraulic filter
Every 2,000 hours
If you are using the
recommended hydraulic fluid,
change the hydraulic fluid.
133-8086 1
PX Extended Life Hydraulic Fluid
(5 gallons)
133-8087 1
PX Extended Life Hydraulic Fluid
(55 gallons)
Every 6,000 hours
Disassemble, clean, and
assemble the soot filter of the
DPF (and when engine faults
SPN 3251 FMI 0, SPN 3720 FMI
0, or SPN 3720 FMI 16 shown
on the InfoCenter).
- - -
Before storage
Drain and clean the fuel tank. - - -
Every 2 years
Flush and replace the cooling
system fluid (take the machine
to an Authorized Service Dealer
or Distributor or refer to the
Service Manual).
- - -
3466-702A Page 6–3 Maintenance: Recommended Maintenance Schedule
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