This specific model designates a portable power source manufactured by Generac Power Systems. It is identified by model number 5939 and likely belongs to the GP series, signifying a gasoline-powered unit with an estimated running wattage around 5500 watts. Such units typically serve as backup power solutions for homes during outages, powering essential appliances like refrigerators, sump pumps, and lighting. They also find use in recreational activities like camping or tailgating, and on job sites requiring portable power.
Access to reliable electricity is crucial in various situations. Portable generators offer a readily available power source for emergency preparedness, ensuring continued operation of vital systems during power disruptions. This capability can prevent food spoilage, protect against flooding, and maintain communication. Beyond emergencies, portable generators provide convenient electricity for recreational and professional activities, allowing users to power tools, equipment, and appliances in locations without grid access. The historical development of such technology has facilitated increased mobility and self-sufficiency, improving safety and productivity in numerous applications.
Further exploration of this topic will encompass technical specifications, operating instructions, safety considerations, and maintenance requirements relevant to this class of portable generator. A detailed understanding of these aspects ensures safe and effective utilization of this valuable technology.
Tips for Safe and Effective Generator Operation
Proper operation and maintenance are essential for maximizing the lifespan and ensuring the safe use of portable generators. The following guidelines offer practical advice for achieving optimal performance and preventing potential hazards.
Tip 1: Consult the Owner’s Manual: Prior to operation, thoroughly review the manufacturer’s instructions specific to the unit. This document provides critical safety information, operating procedures, and maintenance schedules tailored to the equipment.
Tip 2: Proper Grounding: Ensure the generator is correctly grounded to prevent electrical shock. Follow the grounding instructions outlined in the owner’s manual. Never operate the unit without proper grounding.
Tip 3: Adequate Ventilation: Operate the generator in a well-ventilated area to prevent carbon monoxide buildup. Position the unit outdoors, away from windows, doors, and other openings to enclosed spaces.
Tip 4: Fuel Safety: Allow the engine to cool completely before refueling. Store fuel in approved containers away from ignition sources. Never refuel a running or hot generator.
Tip 5: Load Management: Avoid overloading the generator. Calculate the total wattage of devices to be powered and ensure it does not exceed the generator’s rated capacity. Prioritize essential appliances during outages.
Tip 6: Regular Maintenance: Adhere to the manufacturer’s recommended maintenance schedule. This typically includes oil changes, air filter cleaning, and spark plug replacement. Regular maintenance ensures optimal performance and prolongs the generator’s lifespan.
Tip 7: Dry Storage: When not in use, store the generator in a dry, protected location to prevent corrosion and damage. Covering the unit can help protect it from dust and debris.
Adhering to these guidelines promotes safe and efficient generator operation. Proper maintenance and mindful usage maximize the equipment’s lifespan while safeguarding users and property.
By understanding these essential operational and safety considerations, users can effectively leverage the benefits of portable power generation while mitigating potential risks. This knowledge contributes to a safer and more reliable power experience.
1. Power Output
Power output represents a critical specification for the Generac 5939 GP5500 portable generator, directly influencing its capacity to operate various electrical devices. This model typically delivers approximately 5500 running watts and a higher starting wattage for appliances with surge demands, such as air conditioners or refrigerators. Understanding this output is crucial for determining which appliances can be powered simultaneously and avoiding overload. For instance, attempting to run a 3000-watt air conditioner and a 1500-watt microwave concurrently might exceed the generator’s capacity, leading to potential shutdowns or equipment damage.
The practical implications of power output extend beyond simply running appliances. Adequate power ensures essential systems remain operational during outages, impacting safety and comfort. Consider a scenario where a homeowner relies on the generator to power a sump pump during heavy rainfall. Insufficient power output could lead to basement flooding if the pump’s wattage requirements exceed the generator’s capacity. Similarly, in a recreational context, understanding power output allows users to determine whether the generator can support the needs of camping equipment or power tools on a job site.
In conclusion, power output serves as a defining characteristic of the Generac 5939 GP5500, influencing its practical applications and overall utility. Careful consideration of wattage requirements and load management ensures safe and effective operation, maximizing the benefits of this portable power solution. Accurately assessing power needs and aligning them with generator capacity ultimately determines the success of its application, whether for emergency preparedness, recreational use, or professional tasks.
2. Fuel Type
The Generac 5939 GP5500 portable generator typically operates on gasoline. This fuel choice carries several implications affecting practicality, cost, and maintenance. Gasoline offers relatively high energy density, enabling substantial power output from a portable unit. Widespread availability simplifies refueling, particularly crucial during emergencies. However, gasoline storage necessitates specific safety precautions due to flammability. Fuel stabilizer use becomes essential for long-term storage to prevent degradation and ensure reliable starting. For instance, neglecting stabilizer use can lead to gummed-up carburetors, hindering generator functionality when needed most. Furthermore, gasoline prices fluctuate, impacting operating costs. These factors influence the long-term expenses associated with generator ownership and operation.
The choice of gasoline impacts operational logistics. Unlike propane, which can be stored indefinitely, gasoline requires periodic replenishment, especially with frequent generator usage. This requires planning and logistical considerations for maintaining an adequate fuel supply. For example, during extended power outages, access to gasoline may become limited, underscoring the importance of preemptive fuel storage. Additionally, gasoline-powered generators produce exhaust fumes containing carbon monoxide, a poisonous gas. This necessitates operation in well-ventilated outdoor spaces to mitigate health risks. Ignoring ventilation requirements can lead to dangerous carbon monoxide buildup, posing serious health hazards.
In summary, gasoline as the fuel source for the Generac 5939 GP5500 offers advantages in terms of power output and availability. However, it also presents challenges related to storage, cost fluctuations, and exhaust emissions. Understanding these implications allows for informed decisions regarding fuel management, safe operation, and overall cost assessment. Addressing these factors ensures responsible and effective utilization of this portable power solution.
3. Portability
Portability is a defining characteristic of the Generac 5939 GP5500, directly influencing its usability and suitability for diverse applications. This feature distinguishes it from permanently installed standby generators, enabling convenient transport to locations requiring temporary power. Understanding the nuances of this portability provides insights into the practical advantages and limitations it presents.
- Physical Dimensions and Weight
The unit’s physical dimensions and weight directly affect its portability. While designed for mobility, it typically requires two people for safe lifting and maneuvering due to its considerable weight. This factor influences transportation options, necessitating appropriate vehicles or equipment. For example, loading the generator into a truck bed might require a ramp or assistance, while maneuvering it on uneven terrain could pose challenges. The unit’s size and weight also dictate storage space requirements when not in use.
- Wheels and Handles
Integrated wheels and handles facilitate transport, though maneuverability might be limited on certain surfaces. Large, never-flat wheels aid movement over rough terrain, while ergonomically designed handles enhance grip and control. However, navigating stairs or confined spaces may still present difficulties. For instance, transporting the generator up a flight of stairs might necessitate alternative methods or equipment. The presence and design of these features directly impact ease of movement and overall user experience.
- Transportation Considerations
Transporting the generator requires consideration of vehicle capacity and securing mechanisms. The unit’s dimensions and weight must be compatible with the chosen transport vehicle. Securing the generator during transit prevents shifting and potential damage. For example, using ratchet straps within a truck bed ensures stability during transport. Failing to secure the unit adequately could result in damage to the generator or the vehicle, emphasizing the importance of proper transport procedures.
- Operational Location Flexibility
Portability expands the generator’s operational range beyond a fixed location. This enables diverse applications, from powering tools on remote job sites to providing backup power for homes or recreational activities. This flexibility is crucial for scenarios requiring temporary power in various locations. For example, contractors can readily transport the generator to different construction sites, while campers can utilize it for off-grid power. This adaptable power solution caters to a wide range of needs and environments.
The portability of the Generac 5939 GP5500 enhances its versatility and overall value as a power solution. Understanding the practical considerations related to its size, weight, and transportation requirements allows for effective planning and utilization. While the unit’s weight may pose some limitations, the benefits of mobile power generation outweigh the challenges in many applications, making it a valuable asset for various situations requiring accessible and reliable electricity.
4. Applications
The Generac 5939 GP5500 portable generator finds application across diverse scenarios, its utility stemming from the capacity to provide reliable power independent of grid access. This capability proves crucial in emergency situations, professional settings, and recreational activities. The generator’s versatility arises from a balance of power output, portability, and operational features. Understanding these applications provides insight into the practical value and impact of this technology.
In emergency scenarios, such as power outages caused by severe weather, the generator ensures continued operation of essential household systems. Refrigerators preserve food, preventing spoilage; sump pumps mitigate basement flooding; and lighting maintains safety and security. The generator bridges the gap in power supply, mitigating potential disruptions and ensuring essential services remain functional. Consider a homeowner relying on electrically powered medical equipment. The generator provides critical backup power, maintaining life-sustaining systems until grid power is restored. This exemplifies the generator’s role in safeguarding well-being during unforeseen events.
Professional applications encompass construction sites, outdoor events, and mobile businesses. Contractors utilize the generator to power tools and equipment in locations without readily available electricity. Event organizers rely on it for lighting, sound systems, and other essential services. Mobile businesses, such as food trucks or repair services, leverage the generator to maintain operations independent of grid access. For example, a mobile welding business utilizes the generator to power welding equipment on-site, eliminating reliance on external power sources. This enhances operational flexibility and efficiency across various professional endeavors.
Recreational uses extend to camping, tailgating, and outdoor adventures. The generator powers appliances, lighting, and entertainment systems, enhancing comfort and convenience. Campers utilize it to illuminate campsites, power cooking appliances, and charge electronic devices. Tailgaters power televisions and audio systems, creating a festive atmosphere. This expands the possibilities for recreational activities, enabling individuals to enjoy modern conveniences in off-grid environments. For instance, powering a small refrigerator during a camping trip allows for extended stays without the need for frequent ice replenishment, demonstrating the enhancement of recreational experiences through portable power generation.
In summary, the diverse applications of the Generac 5939 GP5500 portable generator underscore its practical significance in various contexts. From mitigating emergencies to facilitating professional activities and enhancing recreational experiences, the generator’s ability to deliver reliable power expands possibilities and improves outcomes across a wide range of human endeavors. Understanding these applications provides a comprehensive perspective on the generator’s value and its contribution to safety, productivity, and leisure.
5. Maintenance
Maintenance plays a crucial role in the reliable and long-lasting operation of the Generac 5939 GP5500 portable generator. Neglecting routine maintenance can lead to decreased performance, premature failure, and potential safety hazards. Regular maintenance ensures optimal functionality and extends the lifespan of the investment. This involves adhering to a schedule encompassing several key procedures.
Oil changes are essential for lubricating engine components and preventing excessive wear. The frequency of oil changes depends on usage and operating conditions, typically every 50-100 hours of operation. Failure to change oil can result in increased friction and heat buildup, potentially damaging internal engine parts. Air filter maintenance involves regular cleaning or replacement to ensure adequate airflow to the engine. A clogged air filter restricts airflow, reducing engine efficiency and increasing fuel consumption. Spark plug replacement is crucial for consistent ignition and optimal combustion. Worn spark plugs can cause misfires, reducing power output and increasing emissions. These procedures, along with checking and maintaining appropriate fuel levels and ensuring proper storage, contribute significantly to the generator’s long-term reliability. For example, consistently using fuel stabilizer and adhering to recommended storage procedures prevent fuel degradation and carburetor issues, ensuring reliable starting and operation.
Practical significance stems from the direct impact of maintenance on performance and longevity. A well-maintained generator provides reliable power when needed, minimizing the risk of unexpected failures during critical situations. Furthermore, proper maintenance contributes to fuel efficiency, reducing operating costs over the generator’s lifespan. Addressing these maintenance requirements proactively mitigates potential issues and ensures the generator’s continued reliability and safe operation. This translates to dependable performance, prolonged lifespan, and optimal cost-effectiveness. Regular maintenance, therefore, constitutes a critical component of responsible generator ownership, ensuring its availability and functionality when needed most.
6. Safety Features
Safety features constitute a critical aspect of the Generac 5939 GP5500 portable generator’s design, mitigating potential hazards associated with portable power generation. These features address risks related to electrical shock, carbon monoxide poisoning, fire, and equipment damage. Their presence reflects a commitment to user safety and responsible equipment design. Understanding these features and their functionality promotes safe operation and minimizes potential risks.
Low-oil shutdown safeguards the engine from damage caused by insufficient lubrication. This feature automatically shuts down the engine when oil levels fall below a critical threshold, preventing catastrophic engine failure. Overload protection prevents damage to the generator and connected appliances by automatically shutting down the unit when electrical load exceeds its rated capacity. This prevents overheating and potential fires caused by excessive current draw. Proper grounding terminals provide a safe path for stray electrical currents, minimizing the risk of electric shock during operation. A properly grounded generator directs potentially harmful currents away from the user and into the ground. These features work in concert to create a safer operating environment.
Practical significance derives from the direct impact of these safety features on user well-being and equipment longevity. Low-oil shutdown prevents costly engine repairs, extending the generator’s operational life. Overload protection safeguards both the generator and connected appliances from damage, ensuring continued functionality. Proper grounding minimizes the risk of serious injury or electrocution, protecting operators and bystanders. For instance, during a power outage, a homeowner connects several essential appliances to the generator. An unexpected surge in power demand could overload the unit, but the overload protection feature activates, preventing potential damage. In another scenario, a contractor operating the generator on a job site inadvertently damages the oil drain plug. The low-oil shutdown feature activates, preventing catastrophic engine damage. These examples illustrate the practical value of integrated safety features in real-world applications. Their presence reinforces responsible generator design and operation, contributing to a safer and more reliable power generation experience.
7. Running Time
Running time represents a critical performance metric for the Generac 5939 GP5500 portable generator, directly influencing its usability and suitability for various applications. This metric signifies the duration the generator can operate continuously on a single tank of fuel at a given load. Understanding running time implications is crucial for effective power planning and ensuring uninterrupted operation when needed.
- Fuel Tank Capacity
Fuel tank capacity directly correlates with running time. A larger fuel tank generally translates to a longer running time, reducing the frequency of refueling. The Generac 5939 GP5500 typically features a fuel tank capable of holding several gallons of gasoline, providing extended operation. This is particularly advantageous during prolonged power outages where frequent refueling might be inconvenient or impossible. For example, a larger fuel tank allows homeowners to power essential appliances overnight without interruption, enhancing safety and comfort during extended grid power failures.
- Load Influence
The electrical load placed on the generator significantly impacts running time. Higher loads consume fuel more rapidly, resulting in shorter running times. Conversely, lower loads extend running time by reducing fuel consumption. Operating the generator at a lower percentage of its rated capacity maximizes runtime. For instance, powering only essential appliances like a refrigerator and a few lights during an outage extends running time compared to simultaneously operating high-wattage devices like air conditioners or electric heaters. Understanding this relationship allows users to prioritize power usage and maximize available runtime.
- Practical Implications for Extended Outages
Running time holds critical importance during extended power outages. A longer running time minimizes the frequency of refueling, reducing inconvenience and logistical challenges, especially in scenarios where fuel availability might be limited. Adequate running time ensures continuous operation of critical systems, maintaining essential services and enhancing safety. For example, during a multi-day power outage, a longer running time enables continuous operation of a sump pump, mitigating the risk of basement flooding due to heavy rainfall. This exemplifies the practical value of extended running time in emergency preparedness.
- Efficiency Considerations
Running time relates to fuel efficiency. Operating the generator at an optimal load typically improves fuel efficiency, maximizing the energy extracted from each gallon of gasoline. This translates to longer run times and reduced fuel costs. For instance, operating the generator at 50% of its rated capacity often yields higher fuel efficiency compared to operating at 100% capacity. This optimization reduces fuel consumption and extends the operational duration on a single tank of fuel, enhancing overall cost-effectiveness.
Running time acts as a defining operational characteristic of the Generac 5939 GP5500, influencing its suitability for various applications and scenarios. Understanding the interplay between fuel tank capacity, load influence, and efficiency considerations allows for informed power management and maximized runtime. This translates to a more reliable and practical power solution, enhancing preparedness for emergencies, facilitating professional tasks, and supporting recreational activities. Ultimately, running time considerations contribute significantly to the overall value and utility of the Generac 5939 GP5500 portable generator.
Frequently Asked Questions
This section addresses common inquiries regarding the Generac 5939 GP5500 portable generator, providing concise and informative responses to facilitate informed decision-making and safe operation.
Question 1: What is the typical running time of the Generac 5939 GP5500 on a full tank of fuel?
Running time depends on the load. At 50% load, expect approximately 11 hours of continuous operation. Heavier loads reduce running time.
Question 2: What type of fuel does this generator model utilize?
This model uses gasoline. Always use fresh, clean gasoline and consider using a fuel stabilizer for storage.
Question 3: Is this generator suitable for powering sensitive electronic equipment?
While capable of powering electronics, voltage fluctuations can occur. Using a surge protector is recommended for sensitive devices.
Question 4: What routine maintenance is required for optimal performance?
Regular maintenance includes oil changes, air filter cleaning/replacement, and spark plug replacement. Consult the owner’s manual for specific intervals.
Question 5: Where should the generator be operated for safe usage?
Always operate outdoors in a well-ventilated area to prevent carbon monoxide buildup. Never operate indoors or in enclosed spaces.
Question 6: What safety features are incorporated into this generator model?
Incorporated safety features include low-oil shutdown and overload protection. These features help prevent damage to the generator and enhance user safety.
Understanding these key aspects of operation and maintenance contributes to safe and effective generator usage. Consulting the owner’s manual provides comprehensive information specific to this model.
Further information regarding technical specifications, warranty details, and troubleshooting can be found in the subsequent sections.
Conclusion
This exploration of the Generac 5939 GP5500 portable generator encompassed critical aspects of its functionality, from power output and fuel type to safety features and maintenance requirements. Portability benefits, diverse applications ranging from emergency preparedness to recreational use, and the importance of adhering to operational guidelines for safe and effective utilization were highlighted. Technical specifications, maintenance schedules, and safety features contribute to a comprehensive understanding of this model’s capabilities and limitations.
Reliable access to portable power plays a vital role in modern life, impacting safety, productivity, and leisure activities. Careful consideration of power needs, operational best practices, and regular maintenance ensures optimal performance and longevity of the Generac 5939 GP5500, maximizing its value as a dependable power solution. Preparedness and informed operation contribute significantly to realizing the full potential of this technology.
