| SKU | GNC-7258 |
| Model | 14 kW |
| Rated maximum continuous power capacity (LP) | 14 kW* |
| Rated maximum continuous power capacity (NG) | 14 kW* |
| Rated voltage | 240 V |
| Rated maximum continuous load current – 240 Volts (LP / NG) | 58 / 58 |
| Total Harmonic Distortion | Less than 5% |
| Main line circuit breaker | 60 amp |
| Phase | 1 |
| Number of rotor poles | 2 |
| Rated AC frequency | 60 Hz |
| Power factor | 1.0 |
| Battery requirement (not included) | 12 volts, AGM Powersport Battery Group BTX20L 310CCA minimum |
| Unit weight (lb / kg) | 391 / 177 |
| Dimensions (L x W x H) in / cm | 46.4 x 26.3 x 30.7 / 117.9 x 66.8 x 77.9 |
| Sound output in dB(A) at 23 ft (7 m) with generator operating at normal load | 65 |
| Sound output in dB(A) at 23 ft (7 m) with generator in Quiet-Test™ low-speed exercise mode | 55 |
| Exercise duration | Adjustable 5 - 20 min (5 min factory default) |
| Engine type | GENERAC G-Force 800 Series |
| Number of cylinders | 2 |
| Displacement | 817 cc |
| Cylinder block | Aluminum w/ cast iron sleeve |
| Valve arrangement | Overhead valve |
| Lifter type | Hydraulic |
| Ignition system | Solid-state |
| Governor system | Electronic |
| Compression ratio | 9.5:1 |
| Starter | 12 VDC |
| Oil capacity including filter | Approx. 2.5 qt / 2.4 L |
| Operating rpm | 3,600 |
| Fuel consumption Natural Gas 1/2 Load | 189 ft³/hr (5.35 m³/hr) |
| Fuel consumption Natural Gas Full Load | 243 ft³/hr (6.89 m³/hr) |
| Fuel consumption Liquid Propane 1/2 Load | 63 ft³/hr (1.76 gal/hr) [6.66 L/hr] |
| Fuel consumption Liquid Propane Full Load | 106 ft³/hr (2.92 gal/hr) [11.03 L/hr] |
| Controls AUTO | Automatic start on utility failure; programmable exerciser |
| Controls MANUAL | Start with starter control; unit stays on; transfers to load if utility fails |
| Controls OFF | Stops unit; generator will not automatically start on utility failure; control and charger operate if utility power is available |
| Controls SERVICE | Diagnostic mode to prevent remote commands and nuisance Mobile Link notifications during testing |
| Ready to Run/Maintenance messages | Standard |
| Engine Run Hours indication | Standard |
| Programmable start delay | 2–1,500 seconds (dealer programmable) |
| Utility nominal voltage setting | Adjustable 90–110% of 240V (default 100%) |
| Utility Voltage Loss/Return to Utility adjustable (brownout setting) | Adjustable 75–80% dropout / 84–89% pickup |
| Future Set Capable Exerciser/Exercise Set Error warning | Standard |
| Run/Alarm/Maintenance logs | 50 events each |
| Engine start sequence | Cyclic cranking | Engine cranks a maximum of five times at factory set intervals and durations |
| Starter lock-out | Starter cannot re-engage until 5 sec after engine has stopped |
| Smart battery charger | Standard |
| Charger Fault/Missing AC warning | Standard |
| Low Battery/Battery Problem Protection and Battery Condition indication | Standard |
| Automatic Voltage Regulation with Over and Under Voltage protection | Standard |
| Under-Frequency/Overload/Stepper Overcurrent protection | Standard |
| Safety Fused/Fuse Problem protection | Standard |
| Automatic Low Oil Pressure/High Oil Temperature shutdown | Standard |
| Overcrank/Overspeed (@ 72 Hz)/RPM Sense Loss shutdown | Standard |
| High Engine Temperature shutdown | Standard |
| Internal Fault/Incorrect Wiring protection | Standard |
| Common external fault capability | Standard |
| Automatically upgradable firmware via Cellular or Wi-Fi | Standard |