Cummins Equipment
B4.5 Marine Genset
Cummins B4.5 marine genset: B4.5 D (M) 4-cylinder engine with Stamford UCM 274 alternator, 62–104 kWe prime at 50 Hz/415 V, 1500 rpm, EU Stage V certified.
Description
The B4.5 Marine Genset is a Cummins diesel generator set built on the B4.5 D (M) engine with a Stamford UCM 274 alternator, certified to EU Stage V. It is offered in non-aftercooled and aftercooled versions for 50 Hz / 415 V at 1500 rpm.
Technical data
- Engine: B4.5 D (M), in-line 4-cylinder, 4-stroke
- Alternator: Stamford UCM 274 (C, D, E, F), AVR MX321
- Emissions: EU Stage V
- Dimensions (L x W x H): 1687 x 932 x 1017 mm
- Weight: 1050 kg
Ratings (50 Hz / 415 V, 1500 rpm)
- Non-aftercooled, engine 76 kW / 102 hp: 62 kWe / 77 kVA (UCM 274 C, overload 68 kWe / 85 kVA); 69 kWe / 86 kVA (UCM 274 D, overload 76 kWe / 95 kVA)
- Aftercooled, engine 91 kW / 122 hp: 80 kWe / 100 kVA (UCM 274 E, overload 88 kWe / 110 kVA)
- Aftercooled, engine 112 kW / 150 hp: 90 kWe / 112 kVA (UCM 274 E, overload 99 kWe / 124 kVA); 104 kWe / 130 kVA (UCM 274 F, overload 114 kWe / 143 kVA)
Specifications
| Engine Model | B4.5 D (M) |
|---|---|
| Alternator Model | Stamford UCM 274 |
| Emissions Certification | EU Stage V |
| Configuration | In-line, 4 cylinder, 4-stroke |
| Overall Length | 1687 mm |
| Overall Width | 932 mm |
| Overall Height | 1017 mm |
| Overall Weight | 1050 kg |
| B4.5 D (M) Engine Prime Rating kW / HP @ RPM | Cummins Stamford Alternator Model | Prime Rating (kWe) | Prime Rating (kVA @ 0.8 PF) | Frequency & Voltage (Hz / V) | Overload capacity (kWe / kVa) | Automatic Voltage Regulator (AVR) |
|---|---|---|---|---|---|---|
| Non-Aftercooled Engine | ||||||
| 76 / 102 @ 1500 | UCM 274 C | 62 | 77 | 50 / 415 | 68 / 85 | AVR MX321 |
| 76 / 102 @ 1500 | UCM 274 D | 69 | 86 | 50 / 415 | 76 / 95 | AVR MX321 |
| Aftercooled Engine | ||||||
| 91 / 122 @ 1500 | UCM 274 E | 80 | 100 | 50 / 415 | 88 / 110 | AVR MX321 |
| 112 / 150 @ 1500 | UCM 274 E | 90 | 112 | 50 / 415 | 99 / 124 | AVR MX321 |
| 112 / 150 @ 1500 | UCM 274 F | 104 | 130 | 50 / 415 | 114 / 143 | AVR MX321 |
| generator model | Hz | engine model | voltage | RPM |
|---|---|---|---|---|
| B4.5 Marine Genset | 50 | B4.5 D (M) | 415 | 1500 |
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