Sep. 02, 2024
Mobile elevating work platforms, or MEWPs, are available in a range of sizes and functionalities. Selecting the appropriate one for your jobsite requires more than just knowing the height required for lifting. You also need to evaluate how your MEWP is powered, taking into account its emissions, noise levels, and engine type when determining whether to choose a manually propelled or a self-propelled MEWP.
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Manually Propelled MEWPs
Manually propelled MEWPs require physical force to move them from one location to another. These units are powered electrically and are frequently referred to as aerial work platforms (AWP), manlifts, personnel lifts, or push-arounds.
They are most effective for tasks that require working at height in a stationary position. Manually propelled MEWPs are often economical and easy to transport, making them ideal for companies with multiple sites, allowing for cost-effective delivery options.
Manually propelled units achieve similar working heights to powered lifts and maintain a low floor load, which is crucial for fragile surfaces like gymnasiums and theaters. Additionally, their compact design allows for easy maneuvering in tight spaces and emission-free elevation.
On the other hand, self-propelled MEWPs boast integrated drive systems that enable operators to drive the machine to the worksite, such as scissor lifts. They are particularly valuable for larger tasks where mobility between various work locations is crucial, especially when operators are required to cover long distances or make repeated trips. Their ability to handle slopes and navigate rough terrain underscores their effectiveness in construction environments.
Self-propelled MEWPs also provide enough capacity and workspace for multiple workers, tools, and materials. For instance, scissor lifts can support platform capacities ranging from 1,200 to 2,500 pounds while providing up to 21 feet of working height.
For a closer look at the distinctions and advantages, here’s a quick overview chart to help decide which type is the best fit for your jobsite:
Manually-Propelled
Self-Propelled
Aerial / Industrial Work Platform
Vertical
Mast
Scissor
Boom
Power Source
Electric
Electric
Diesel/Electric/Hybrid Options
Diesel/Electric/Hybrid Options
Total Lift Capacity
Up to 350 lb
Up to 500 lb
1,200 lb - 2,500 lb
500 lb - 1,250 lb
Vertical Lift (Platform Height)
Up to 40 ft
Up to 20 ft
Up to 53 ft
Up to 180 ft
Up-and-Over Obstacles
N/A
N/A
N/A
Up to 75 ft 6 in
Floor Loading (Weight)
677 lb - 1,430 lb
Contact us to discuss your requirements for Self Propelled Aerial Lift. Our experienced sales team can help you identify the options that best suit your needs.
1,580-2,450 lb
2,575 lb - 16,567 lb
8,080 lb - 46,500 lb
Access Width (Stowed)
2 ft 5 in - 3 ft 4 in
2 ft 5.5 in - 2 ft 7.5 in
30 - 90 in
3 ft 11 in - 8 ft 2 in
Slope Climbing (Gradeability)
N/A Power Assist Option
30%
25 - 50%
30 - 45%
Genie Product Examples
AWP & IWP Series
GR Series
GS Series
S and Z Series
The most common type of Mobile Elevating Work Platforms (MEWPs) are self-propelled scissor lifts, utilizing a folding mechanism that rises in an 'X' pattern.
Scissor lifts are categorized based on their power source and intended application: battery-powered lifts are mainly used indoors on flat ground, while engine-powered options are designed for outdoor use on uneven surfaces (referred to as 'rough terrain' lifts).
Regardless of the power source, these lifts are equipped with various sensors and controls to manage movements, ensuring safety and stability, which is vital to prevent falls while working at height.
For many years, Sensata has been a prominent provider of complete control systems for scissor lifts, whether powered by batteries or engines.
The control systems feature a platform unit and an electronic control unit that manage numerous machine interfaces, including joysticks, sensors, and alarms, using a dedicated CAN-bus network.
Sensata's M700 motor controller is designed for high-power hydraulic pumps, providing comprehensive programmability for DC motors. The system's design ensures high reliability and flexibility.
They also offer advanced sensors, including pressure sensors to regulate hydraulic pressure, angle sensors for determining platform height, and inclinometers to monitor chassis angles for safety compliance.
Image Credit: Sensata Technologies, Inc.
This information has been sourced from Sensata Technologies, Inc. For further details, visit 10m Self Propelled Aerial Lift.
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