Workshop Manual

EPA07/10 DD PLATFORM WORKSHOP MANUAL - ENGINE

Multiply Crankshaft Speed by Effective Ratio to Attain Individual Component Speed

Component Effective Ratio Speed

Crankshaft ________ RPM

Camshafts 0.50 ________ RPM

Idler #1 0.79 ________ RPM

Idler #2 0.86 ________ RPM

Idler #3 0.75 ________ RPM

Idler #4 1.33 ________ RPM

Idler #5 0.45 ________ RPM

Water Pump 2.22 ________ RPM

Air Compressor 1.41 ________ RPM

Fuel Pump 1.50 ________ RPM

Oil Pu mp 1.33 ________ RPM

APT Gearbox Drive 4.00 ________ RPM

APT Turbine Shaft 26.64 ________ RPM

Table 5-1 HDEP Geartrain Ratios

The power steering pump can be mounted in two places. If the engine is equipped with a

single-cylinder air compressor, it will be mounted to the front of the air compressor. If the engine

is equipped with a two cylinder a ir compressor, then the power steering pump will be mounted on

the back of the gear case t o t he fuel pump.

All information subject to change without notice.