98-19521B001.pdf

This is a Source Control Drawing for a diesel engine specification document. The drawing specifies a Yanmar Diesel America Corp 101 International Highway model L70NZE2015EAFd air-cooled, four-cycle diesel engine for procurement and installation in military applications (Air Force, Army, Navy, and Marine Corps). The engine features a displacement of 70 cubic inches, bore and stroke of 78 X 67/3.071 X 2.64 inches, and rated output of 19.5 horsepower at 3600 RPM continuous duty.

The document establishes comprehensive operating and performance requirements including electric and manual starting capability, operation from -20°F to +120°F ambient temperatures, altitude performance up to 8,000 feet, and endurance of 1500 hours without overhaul under specified load conditions. The engine must meet PD 6115-007GA specifications and operate reliably under variable environmental conditions including rain, wind, salt fog, ice glaze, and sand/dust. Additional specifications address engine injection timing, flexural vibration limits, maximum power output at 110% of rated load, lubrication requirements using Arctic-compatible oils, and provision for manual turning capability. The engine requires a 24-volt DC starting system with optional manual starting provisions and compatibility with specified fuels, lubricants, and coolants. The approved source of supply is identified as Yanmar Diesel America Corp, located in Adamsville, Georgia.