Perkins generating set · 50 Hz
4U-P770 — 770 kVA prime / 850 kVA standby Perkins diesel generator
770 kVA prime / 850 kVA standby, powered by a Perkins 2806A-E18TTAG5 engine with a Leroy-Somer or Stamford alternator and Deep Sea controller. Supplied open or in a silent canopy, with delivery, installation and commissioning across the UAE.
- 770 kVA prime
- 850 kVA standby
- Perkins 2806A-E18TTAG5
- 1-year warranty

Output ratings
| Standby (ESP) | 850 kVA / 680 kW |
|---|---|
| Prime (PRP) | 770 kVA / 616 kW |
| Voltage / frequency | 400/230 V · 3-phase · 50 Hz · 1500 rpm |
| Power factor | 0.8 |
| Other voltages | 380/220 · 415/240 · 440/254 · 480/277 V |
Engine
| Make / model | Perkins 2806A-E18TTAG5 |
|---|---|
| Cylinders | 6 in-line |
| Displacement | 18.1 L |
| Bore × stroke | 145 × 183 mm |
| Aspiration | Twin-turbocharged, air-to-air charge cooled |
| Governing | Electronic |
| Cooling | Water cooled, radiator for 50 °C ambient |
| Coolant capacity | 110 L |
| Lube oil capacity | 68 L |
Alternator
| Make | 4U · Leroy-Somer | Stamford |
|---|---|
| Leroy-Somer frame | TAL-A49-C |
| Stamford frame | S6L1D-C41 |
| Type | Self-excited, 4-pole, single bearing |
| Insulation / protection | Class H · IP23 |
| Voltage regulation | ± 1 % |
Fuel consumption
| 50 % prime load | 121 L/h |
|---|---|
| 75 % prime load | 127 L/h |
| 100 % prime load | 157 L/h |
| Standby rating | 173 L/h |
Dimensions & weight
| Open set (L × W × H) | 3650 × 2295 × 2690 mm |
|---|---|
| Open set weight | 5,875 kg |
| Silent canopy (L × W × H) | 5873 × 2224 × 2817 mm |
| Canopy weight | 8,000 kg |
| Base fuel tank | 1,835 L |
| Noise @ 7 m | 86 dB(A) ± 3 |
Control & protection
| Controller | Deep Sea DSE6110 MKII — auto start / AMF |
|---|---|
| Main breaker | 3-pole LS MCCB |
| Shutdowns & alarms | Over/under speed & voltage, over-current, low oil pressure, high engine temperature, battery, start/stop failure, emergency stop |
| Warranty | 12 months or 1,000 running hours, whichever first |
- Prime (PRP): unlimited hours at an average 80 % load over each 24 h, with 10 % overload for 1 h in every 12 h.
- Standby (ESP): up to 500 h a year at an average 80 % load during mains failure; no overload.
- Options: silent canopy or container, external tank (500–5,000 L), ATS panel, synchronising, 55 °C radiator, engine heaters.
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Nearby models
| Model | Standby kVA | Prime kVA | Engine | Fuel 100% (L/h) | Datasheet |
|---|---|---|---|---|---|
| 4U-P660 | 730 | 660 | Perkins 2806A-E18TTAG4 | 132 | Datasheet |
| 4U-P746 | 820 | 746 | Perkins 4006-23TAG2A | 157 | Datasheet |
| 4U-P770 | 850 | 770 | Perkins 2806A-E18TTAG5 | 157 | Datasheet |
| 4U-P800 | 900 | 800 | Perkins 4006-23TAG3A | 172 | Datasheet |
| 4U-P900 | 1,000 | 900 | Perkins 4008-TAG1 | 195 | Datasheet |

