4045TF290
- PowerTech™ M
- Standby: 55 kW (74 hp) @ 1800 rpm
- Prime: 50 kW (67 hp) @ 1800 rpm
Specifications
Emissions Certifications
General engine data
| Model | 4045TF290 |
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| Number of cylinders | 4 |
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| Displacement-- L (cu in) | 4.5 (275) |
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| Bore and Stroke-- mm (in) | 106 x 127 (4.17 x 5.00) |
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| Compression Ratio | 19.0:1 |
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| Engine Type | In-line, 4-Cycle |
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| Aspiration | Turbocharged |
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| Length - mm (in) | 860 (33.9) |
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| Width-- mm (in) | 612 (24.1) |
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| Height-- mm (in) | 994 (39.1) |
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| Weight, dry - kg (lb) | 396 (873) |
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Performance data range
| Hz (rpm) | 60 ( 1800 ) |
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| Generator Efficiency % | 88-92 |
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| Power Factor | 0.8 |
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| Engine power - Prime kW | 50 |
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| Engine power - Prime hp | 67 |
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| Engine power - Standby kW | 55 |
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| Engine power - Standby hp | 74 |
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| Rated Fan Power - kW | 1.9 |
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| Rated Fan Power - hp | 2.5 |
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| Calculated generator set output - Prime kWe | 42-44 |
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| Calculated generator set output - Prime kVA | 53-55 |
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| Calculated generator set output - Standby kWe | 47-49 |
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| Calculated generator set output - Standby kVA | 59-62 |
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Features
- Fixed geometry turbochargers are sized for a specific power range and optimized to provide excellent performance across the entire torque curve. They are also designed to maximize fuel economy between the engine's rated speed and peak torque.
- In turbocharged engines, the air is pre-compressed. Due to the higher pressure, more air is supplied into the combustion chamber, allowing a corresponding increase in fuel injection, which results in greater engine output.
- The timing and fuel injection pressures are optimized to maximize performance and fuel economy at a given rated speed.
- Cross-flow head design provides excellent breathing from a lower-cost 2-valve cylinder head.
