Schaeffer's 9000 SynShield® OTR Plus Full Synthetic CK-4 5W-40 (12-Quarts) is specially formulated to provide maximum protection against wear, oxidation, deposit formation, soot contamination and aeration. SynShield™ OTR Plus SAE 5W-40 provides improved fuel economy, equipment durability and longevity. It is a premium, advanced performance, full synthetic, heavy-duty diesel engine oil.  Schaeffer's SynShield™ OTR Plus SAE 5W-40 diesel oil is based on the same high-performance additive technology found in the SynShield® Durability Advantage 15W-40.
SynShield™ OTR Plus SAE 5W-40 exceeds the requirements for API heavy-duty diesel engine oil Service Categories: CK-4, CJ-4, CI-4, CI-4 Plus and older.
Blended into SynShield™ OTR Plus SAE 5W-40 are two proven frictional modifiers, Micron Moly®, a liquid soluble type of moly and Schaeffer’s own proprietary additive Penetro. These frictional modifiers prevent metal-to-metal contact and damaging frictional wear. You can expect:
Extended oil drain capability and intervals.
Cold cranking and oil pumpability at low temperatures.
Strong oxidative stability.
Excellent resistance to thermal degradation.
A high viscosity index.
Improved fuel economy-up to 5%.
Wear protection– 71% less wear than conventional CJ-4 oils.
Protection against deposits – 46% greater soot-handling than conventional CJ-4 oils.
(Also available: Synshield OTR Plus Full Synthetic CK-4 10W-30.  See product #9012.)
SynShield™ OTR Plus SAE 5W-40 is suitable for use in applications that specify API Service Classification CK-4. Meets and exceeds Military Specification MIL-PRF-2104K; ACEA E7-22; ACEA E11- 22; Global Specification DHD-1; Caterpillar ECF-3; Cummins CES 20081, CES 20086; Detroit Diesel Power Guard Oil Specifications: DDC93K218 and DDC93K222; Deutz DQC III-10 LA; Ford WSSM2C171-E, WSS-M2C171-F1; JASO DH-2; Mack EO-O Premium Plus, Mack EOS-4.5; MAN 3275, MAN 3575; MB 228.3; MB 228.31; MTU Category Type 2 and 2.1; Renault VI RLD-3, RLD-4; Scania LDF-2; Volvo VDS 4, VDS 4.5; Navistar; John Deere; CHN (Case-New Holland).