Spicer Tandem Drive Axles Service Manual D170, D190, and D590 Series - Manual (Page 80)

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Lubrication
Lube Change Intervals
This product combines the latest manufacturing and part
washing technology.
When filled with a Spicer approved
synthetic lubricant at the factory, the initial drain is not
required.
Change the lubricant within the first 5,000 miles of operation
when not using a Spicer approved synthetic lubricant
in either a new axle or after a carrier head replacement.
Base subsequent lubricant changes on a combination of
the following chart and user assessment of the application
and operating environment.
Severe Service Lubrication Change Intervals – Severe service
applications are those where the vehicle consistently
operates at or near its maximum GCW or GVW ratings, dusty
or wet environments, or consistent operation on grades
greater than 8%. For these applications, the ON/OFF HIGHWAY
portion of the chart should be used. Typical applications
are construction, logging, mining and refuse removal.
Note: Clean metallic particles from the magnetic filler plug
and drain plugs. Clean or replace the breather yearly to
avoid lube contamination due to water ingestion.
* Axles using LMS wheel end system
** Axles using adjustable wheel bearing system
For additional lubrication information, see TCMT-0021.
Synthetic or Lubricant SAE Change Interval for Line Haul Change Interval for Vocational
Mineral
Synthetic* SHAES-256 SAE 75W-90 500,000 miles (800,000 Km) 120,000 miles (193,000 Km)
or 5 years or 1year
Synthetic** SHAES-256 SAE 75W-90, 250,000 miles (400,000 Km) 60,000 miles (96,500 Km)
75W-140 or 3 years or 1 year
Mineral MIL-L-2105E/J02360, 75W, 75W-90, 120,000 miles (193,000 Km) 60,000 miles (96,500 Km)
Base API GL-5 Gear Oil, 75W-140, 80W- or 1 year or 1 year
MIL-PRF-2105E 90, 85W-140