Engine Rating Conditions
All engine ratings are in compliance with the following standard ambient air conditions of "ISO14396:2002":
-
100 kPa (29.3 Inches Hg) - 30 percent relative humidity
- A temperature of
25 °C (77 °F)
The engine ratings are based on the following fuel specifications:
- The Low Heat Value (LHV) of the fuel at
29 °C (84.2 °F) at 42780 kJ/kg (18390 Btu/lb) - Specific gravity of .833 - 837 at
15 °C (60 °F)
The engine ratings are gross output ratings.
Gross Output Ratings - The total output capability of the engine that is equipped with standard accessories.
Standard accessories include the following components:
- Oil pumps
- Fuel pumps
- Water pumps
Subtract the power that is required to drive auxiliary components from the gross output. This process will produce the net power that is available for the external load (flywheel).
Caterpillar Information System:
C3.4B Industrial Engine Engine Rating Definitions
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