40 CFR Appendix A to Subpart E of Part 90
Tables
June 9, 2020
Table 1—Parameters to be Measured or Calculated and Recorded
Open Table
| Parameter | Units |
|---|---|
| Airflow rate (dry), if applicable | g/h |
| Fuel flow rate | g/h |
| Engine Speed | rpm |
| Engine Torque Output | N m |
| Power Output | kW |
| Air inlet temperature | °C |
| Air humidity | mg/kg |
| Coolant temperature (liquid cooled) | °C |
| Exhaust mixing chamber surface temperature, if applicable | °C |
| Exhaust sample line temperature, if applicable | °C |
| Total Accumulated hours of Engine Operation | h |
| Barometric Pressure | kPa |
Table 2—Test Cycles for Class I-A, I-B, and Class I-V Engines
Open Table
| Mode Speed | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Rated Speed | Intermediate Speed | Idle | |||||||||
| Mode Points—A Cycle | 1 | 2 | 3 | 4 | 5 | 6 | |||||
| Load Percent—A Cycle | 100 | 75 | 50 | 25 | 10 | 0 | |||||
| Weighting | 9% | 20% | 29% | 30% | 7% | 5% | |||||
| Mode Points—B Cycle | 1 | 2 | 3 | 4 | 5 | 6 | |||||
| Load Percent—B Cycle | 100 | 75 | 50 | 25 | 10 | 0 | |||||
| Weighting | 9% | 20% | 29% | 30% | 7% | 5% | |||||
| Mode Points—C Cycle | 1 | 2 | |||||||||
| Load Percent—C Cycle | 100 | 0 | |||||||||
| Weighting for Phase 1 Engines | 90% | 10% | |||||||||
| Weighting for Phase 2 Engines | 85% | 15% | |||||||||
[60 FR 34598, July 3, 1995, as amended at 65 FR 24313, Apr. 25, 2000]
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