ENGINE MAINTENANCE - Engine Oil Specifications These oils meet performance characteristics that conform to the lubricant industry standards and are sufficient protection when used according to the recommendations. Aftermarket lubricating oil additives are not necessary to enhance engine oil performance and may in some cases reduce the oil's capability to protect the engine. Engine Oil Specifications 2 Engine oil system specifications. Engine Oil Specifications for PACCAR MX-13 - Low and High Horsepower Ratings Engine Lubrication and Filter Intervals the Engine Lubricating Oil Recommendations and Specifications section.
Perform these maintenance procedures according to the Preventive Maintenance Schedule. and wear. Engine oil filters capture dirt and remove deposits from the oil to prolong the life of internal moving com- ponents. Follow the oil and filter change intervals as recommended in this section of the manual. Failure to comply may result in equipment or property damage. Oil change intervals for normal and severe duty applications. Oil drain interval recommendations are based on vehicle application or engine duty cycle.
PACCAR recommends the use of high quality lubricating oil as indicated in CAUTION Extending the oil and filter change in- terval beyond the recommendations will decrease the engine life due to factors such as corrosion, deposits, 40 Y53-1181-1K1 (08/2018) Oil Pressure at Low Idle (min allowable) 650 ± 50 rpm 14.5 psi at 239°F (100 kPa at 115°C) oil temperature At Road Speed 900-1200 rpm (min allowable) 20-29 psi at 239°F (140-200 kPa at 115°C) oil temperature At Road Speed 1200-2100 rpm (min allowable) 29 psi at 239°F (200 kPa at 115°C) oil temperature Regulated Oil Pressure (nominal) 33 psi at 239°F (230 kPa at 115°C) oil temperature Total System Capacity (oil pan and new oil filters) 42 U.S.
qts (40.0 liters)