SECTION I
INTRODUCTION
ENGINE SPECIFICATIONS (Cont.)
1800 rpm
2100 rpm
2300 rpm
Compression
Compression Pressure (psi at sea level)
Average New Engine at 600 rpm. . . . . . . . . . . . . . . . . 475
Minimum at 600 rpm . . . . . . . . . . . . . . . . . . . . . . . . .. . 425
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 cycle
Number of Cylinders . . . . . . . . . . . . . 4
Bore (inches) . . . . . . . . . . . . . . . . . . . . . . 4.25
Bore (mm) . . . . . . . . . . . . . . . . . . . . . . . . 108
Stroke (inches) . . . . . . . . . . . . . . . . . . . . 5
Stroke (mm) . . . . . . . . . . . . . . . . . . . . . . 127
Compression Ratio (nominal) .
.
.
.
.
.
. 17 to 1
Total Displacement (cu. in.) . . . . . . . . . 284
Total Displacement (litres) . . . . . . . . . . 4.66
Firing Order . . . . . . . . . . . . . . . . . . . . . . 1-3-4-2
Number of Main Bearings . . . . . . . . . . 5
TABLE 1-2. DRUM PERFORMANCE DATA
DRUM PERFORMANCE DATA W/DDA 4-71T & ALLISON TORQUE CONVERTER
CRANE DRUMS