Cat® C7.1 Diesel Marine Generator Set has three phase ratings of 50 Hertz at 100, 118, and 150 ekW with heat exchanger cooling that meet U.S. EPA Tier 3 commercial, IMO II, and EU CC2 emissions standards. The C7.1 also has three phase ratings of 60 Hertz at 118, 150, 175, and 175 ekW with heat exchanger cooling that meet U.S. EPA Tier 3 commercial, IMO II, and EU CC2 emissions standards.
| Minimum Rating | 100 ekW (125 kVA) 100 ekW (125 kVA) |
| Maximum Rating | 200 ekW (250 kVA) 200 ekW (250 kVA) |
| Frequency | 50 Hz or 60 Hz 50 Hz or 60 Hz |
| Speed | 1500 rpm (50 hz) or 1800 rpm (60 hz) 1500 rpm (50 hz) or 1800 rpm (60 hz) |
| Emissions/Fuel Strategy | EPA Tier 3, IMO II, EU CC2 EPA Tier 3, IMO II, EU CC2 |
| Engine Model | In-line 6, 4-Stroke-Cycle Diesel In-line 6, 4-Stroke-Cycle Diesel |
| Aspiration | TA TA |
| Bore | 4.13 in 105.0 mm |
| Stroke | 5.3 in 135.0 mm |
| Displacement | 433.3 in³ 7.1 l |
| Governor Type | Electronic Electronic |
| Fuel System | Common Rail Fuel System Common Rail Fuel System |
| Width | 37.6 in 956.0 mm |
| Height | 49.7 in 1263.0 mm |
| Weight | 1652 -1840 kg, 3634-4026 lb 1652 -1840 kg, 3634-4026 lb |
| Length | 76.2 in/1935 mm (minimum), 83.3 in/2116 mm (maximum) 76.2 in/1935 mm (minimum), 83.3 in/2116 mm (maximum) |
| Pitch | 2/3 2/3 |
| Number of Leads | 12 12 |
| Insulation | Class H Class H |
| IP Rating | IP23 Water protection IP23 Water protection |
| Voltage Regulator | Solid state Solid state |
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