Specifications include, but are not limited to: Motor oil must meet or exceed Ford WSS-M2C171-F. ; Motor oil must meet or exceed API service classifications SJ, SM, SN, GF-4 ; SAE 15W 40 MOTOR OIL Motor oil must meet or exceed API service classifications CJ 4, CI-4, CI-4 Plus, CH4/SM, SN, including CaterpillarECF-3, Cummins CES 20081, Detroit Diesel PGOS 93K 218, Mack EO-O Premium Plus ; 4. HYDRAULIC OIL – TYPE AW 68 Hydraulic oil must be ISO grade 68 with a minimum viscosity index of 95. Must be approved for use in all major hydraulic pumps and motors and meet all major pump manufacturers’ requirements including: Denison HF-0, HF-1 and HF-2; Vickers (Eaton) 1-286-S, M-2950-S; DIN 51524 Part 2, Antiwear Hydraulic Oils, Type HLP