Specifications
| Fuel | LP Gas or Natural Gas Vapor |
|---|---|
| Frequency | 50.0 Hz |
| Standby power | 45 kW |
| Standby kVA | 56 |
| Prime power | 41 kW |
| Controller | Microprocessor-Plus |
| Oil capacity | 7.6 L |
| Alternator | 4P8 |
| Voltage options | 110/220 V |
| Phase | 3 |
| Rated current | 148 A |
| Power factor | 0.8 |
| Battery cranking | 630 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 15.1 L |
| Max ambient | 46 °C |
| Dimensions (L×W×H) | 2242×864×1124 mm |
| Wet weight | 851 kg |
Engine
| Oil capacity | 7.6 L |
|---|---|
| Coolant capacity | 15.1 L |
| Displacement | 7.538 L |
| Aspiration | Natural Aspiration |
| Rated speed | 1800 rpm |
Same engine, other brands
3 brandsThe Ford LSG-875 in this set also powers 12 generator sets sold under 3 other brands. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.
| Brand | Models |
|---|---|
| Kohler | 100 RZ, 50-70 RZ, 60 RZ, 60RFZ, 70 RZ, 70RFZ, 80 RZ, 80-100 RZ |
| Ford | ENA, ENB |
| Olympian | G60F1, G75F1 |
Maintenance & consumables
for the Ford LSG-875| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 69 hr | |||
| Fuel filter | — | ||||
| Oil filter | Cartridge | ×1 | — | 69 hr | |
| Battery | — | ||||
| Belt | — | 69 hr | |||
| Coolant | 28.8 | — | |||
| Oil | 9.0 | — | |||
| Spark plug | — | 69 hr |
Service specifications
18| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Other | Frequency regulation, no load to full load | Isochronous | ||
| Other | Frequency regulation, steady state | 0.5 | % | |
| Other | One-step load acceptance | 100 | % of Rating | |
| Other | Short-circuit current | 300 | % of rated current | for up to 10 seconds |
| Other | Unbalanced load capability | 100 | % of Rated Standby Current | |
| Pressure | Max. restriction of cooling air, intake and discharge side of radiator | 0.5 (0.125) | in. H2O (kPa) | |
| Pressure | Maximum allowable back pressure | 2.0 (6.8) | in. Hg (kPa) | exhaust |
| Pressure | Natural gas/LPG fuel supply pressure | 4--6 (7--11) | oz./in.2 (in. H2O) | |
| Speed | Piston speed | 1155 (5.86) | ft./min. (m/sec.) | 60 Hz |
| Speed | Piston speed | 962 (4.88) | ft./min. (m/sec.) | 50 Hz |
| Speed | Rated rpm | 1500 | rpm | 50 Hz |
| Speed | Rated rpm | 1800 | rpm | 60 Hz |
| Temperature | Ambient temperature (high ambient radiator system) | 122 (50) | F (C) | |
| Temperature | Ambient temperature (standard radiator) | 115 (46) | F (C) | |
| Temperature | Exhaust temperature at rated kW, dry exhaust | 1100 (593) | F (C) | 60 Hz |
| Voltage | Battery charging alternator | 12 | V DC | 37 ampere rating |
| Voltage | Starter motor rated voltage (DC) | 12 | V | |
| Voltage | Voltage regulation, no load to full load | 2 | % |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Recommended fluids
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Fuel | LP Gas or Natural Gas Vapor | Fuel supply line inlet 1 NPTF; natural gas/LPG fuel supply pressure 4-6 oz./in.2 (7-11 in. H2O) |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Common questions
What size generator is the Spectrum 50GS50?
The Spectrum 50GS50 is rated 45 kW standby (56.0 kVA).
What engine is in the Spectrum 50GS50?
The Spectrum 50GS50 is powered by the Ford LSG-875 engine.
What kind of fuel does the Spectrum 50GS50 run on?
The Spectrum 50GS50 runs on LP Gas or Natural Gas Vapor.
What is the oil capacity of the Spectrum 50GS50?
The Ford LSG-875 engine in the Spectrum 50GS50 has an oil capacity of 7.6 liters.
What is the cooling system capacity of the Spectrum 50GS50?
The Spectrum 50GS50 cooling system holds 15.1 liters (4.0 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the continuous rating of the Spectrum 50GS50?
The Spectrum 50GS50 is rated 41 kW prime (51 kVA), against 45 kW standby.
What voltage does the Spectrum 50GS50 produce?
The Spectrum 50GS50 is offered in 110/220 V, 3-phase.
What size battery does the Spectrum 50GS50 need?
The Spectrum 50GS50 uses 1 battery, 12 V each, 630 CCA, per the manufacturer specification sheet.
What alternator comes on the Spectrum 50GS50?
The Spectrum 50GS50 uses a 4P8 alternator.
Parts
51| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 241481 | Switch, high temperature 268298 Sender, water temperature | 1 | Sensor | Amazon eBay |
| 255264 | Switch, low water temperature | 1 | Sensor | Amazon eBay |
| 255913 | Switch, pressure | 1 | Sensor | Amazon eBay |
| 271425 | Switch, anticipatory low oil pressure | 1 | Sensor | Amazon eBay $100.79 NAPA $182.69 |
| 276206 | Hose, molded | 1 | Hose | Amazon eBay |
| 952-696 | Gasket | 1 | Gasket | Amazon eBay |
| X-309-16 | Clamp, hose | 2 | Hose | Amazon eBay |
| X-380-1 | Connector, 1/8NPT x 1/4 in. ID hose | 1 | Hose | Amazon eBay |
| X-386-56 | Fuel line, flexible | 1 | Hose | Amazon eBay |
| X-577-6 | Hose, 5/8 ID x 11 | 2 | Hose | Amazon eBay |
| X-797-1 | Hose, flex | 1 | Hose | Amazon eBay |
| X-797-11 | Hose, flex | 1 | Hose | Amazon eBay |
| X-797-2 | Hose, flex | 1 | Hose | Amazon eBay |
| 276378 | Installed Block Heater Kit / Interim Kit (120V) | Service part / kit | Amazon eBay | |
| 276379 | Installed Block Heater Kit / Interim Kit (240V) | Service part / kit | Amazon eBay $104.79 | |
| 276691 | Block Heater | 1 | Service part / kit | Amazon eBay |
| 276692 | Block Heater | 1 | Service part / kit | Amazon eBay |
| 285054 | Silencer Residential R-M (Table 3) | 1 | Service part / kit | Amazon eBay $79.70 |
| 285086 | Silencer Industrial I-N (Table 3) | 1 | Service part / kit | Amazon eBay |
| 285127 | Silencer Industrial I-N (Table 1) | 1 | Service part / kit | Amazon eBay |
| 285775 | Silencer Residential R-M (Table 1) | 1 | Service part / kit | Amazon eBay |
| 286788 | Silencer Critical C-BM (Table 1) | 1 | Service part / kit | Amazon eBay $129.99 |
| 290483 | Silencer Residential R-BM (Table 1) | 1 | Service part / kit | Amazon eBay |
| 290484 | Silencer Residential R-N (Table 1) | 1 | Service part / kit | Amazon eBay |
| 290485 | Silencer Residential R-BM (Table 3) | 1 | Service part / kit | Amazon eBay |
| 290486 | Silencer Residential R-N (Table 3) | 1 | Service part / kit | Amazon eBay |
| 290489 | Silencer Critical C-M (Table 3) | 1 | Service part / kit | Amazon eBay |
| 290490 | Silencer Critical C-N (Table 3) | 1 | Service part / kit | Amazon eBay |
| 290495 | Silencer Critical C-M (Table 1) | 1 | Service part / kit | Amazon eBay |
| 290496 | Silencer Critical C-N (Table 1) | 1 | Service part / kit | Amazon eBay |
| 326174 | Installed Block Heater Kit (120V) | Service part / kit | Amazon eBay | |
| 326175 | Installed Block Heater Kit (240V) | Service part / kit | Amazon eBay | |
| 326234 | Block Heater | Service part / kit | Amazon eBay | |
| 326235 | Block Heater | Service part / kit | Amazon eBay | |
| 326279 | Changeover Kit | Service part / kit | Amazon eBay | |
| 326280 | Changeover Kit | Service part / kit | Amazon eBay | |
| 952-048 | Pipe Plug 3/8 - 18 x .42 socket hex | 1 | Service part / kit | Amazon eBay |
| 952-234 | Bolt - 5/16 - 18 x .875 | 1 | Service part / kit | Amazon eBay |
| 952-486 | Dowel - 1/2 x 1.00 | 1 | Service part / kit | Amazon eBay |
| 952-539 | Bolt - 5/16 - 18 x 2.00 | 1 | Service part / kit | Amazon eBay |
| 952-553 | Plug - Oil Passage In Block - 1/4 NPT | 1 | Service part / kit | Amazon eBay |
| 952-554 | Plug - Water Drain - 1/4 NPT - Brass | 1 | Service part / kit | Amazon eBay |
| 952-556 | Dowel | 1 | Service part / kit | Amazon eBay |
| 952-561 | Plug - .060 O/S | 1 | Service part / kit | Amazon eBay |
| 952-563 | Plug - 5/8 - 18 | 1 | Service part / kit | Amazon eBay |
| 952-569 | Plug - Camshaft Rear Bearing - Standard | 1 | Service part / kit | Amazon eBay |
| 952-570 | Plug - Camshaft Rear Bearing - .060 O/S | 1 | Service part / kit | Amazon eBay |
| 952-577 | Pointer | 1 | Service part / kit | Amazon eBay |
| 952-596 | Plug - 1.50 Cup | 1 | Service part / kit | Amazon eBay |
| 952-688 | Cover | 1 | Service part / kit | Amazon eBay |
| 952-689 | Block | 1 | Service part / kit | Amazon eBay |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Available documents
This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.