
ON THE WATER
SECTION 3
Page 34 CMD-4081850 / 90-860094030 SEPTEMBER 2003
LIGHT DUTY RATING
It is the operator’s responsibility to operate within the following specified operational
capability, or duty cycle, as applicable to the engine and installation:
Description D4.2L LD
Rated Engine RPM 3600
Wide Open Throttle (WOT) Operation
Limited to less that 10% of total operating
time.
Continuous cruising rpm
Limited to no greater than 90% of WOT
rpm.
Annual operating time Not to exceed 500 hours.
NOTE: Light duty rating applies to planing boats where the use of full rated power at
maximum rated rpm is limited (as stated above). Examples of Light Duty applications
include, but are not limited to: search and rescue craft, fast patrol boats, fire boats, dive
boats and limited season fishing boats such as sport-fish charter boats. Application to
common commercial crafts having full-displacement or semi-displacement hulls exceeds
the recommended operational capability or duty cycle.
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