Quad Mast – A four stage mast provides the highest reach thanks to its four sets of moving rails. These are designed for very high stacking in specialized warehousing and other industries.
How high does a quad mast forklift go?
A fourth type, the quad mast or 4-stage, offers lift heights up to 22 feet. These are less common and only used in specialized warehouse applications. Single-Stage Mast – Typically used in applications where overhead clearance is not a concern, such as outdoor environments.
How does a 3 stage forklift mast work?
Three Stage Mast
It consists of three sections that extend the forks to their maximum lift height. In the middle of the mast is a hydraulic cylinder, referred to as the primary lift cylinder. This will raise the forks and carriage near the top of the mast prior to the sections staging up (known as ‘Free Lift’).
What is a three stage forklift?
What is a 3 stage forklift? 3-Stage – A three-stage mast, or triplex, is the most versatile forklift mast and also the most popular. The outer rails allow for free lift, and the two inner sections can lift loads higher than a two-stage.
What are the different size forklifts?
Must Know Forklift Sizes
Standard forklifts generally measure between 4 to 7 ft wide and 8 to 10 ft long. Outdoor or rough terrain forklifts can be greater than 10 ft in length. Narrow aisle forklifts like walkie stackers and side loaders can measure less than 5 ft.
What is a free lift mast?
A forklift’s free lift is the maximum height you can raise the forks without changing the mast height. There are two instances where this typically happens: when the inner mast rails extends past the outer mast rails or when the load backrest or carriage exceeds the height of the outer mast rails.
What is the purpose of a mast on a forklift?
The forklift’s mast, or upright, is the portion of the forklift that lifts, lowers, and positions the loads manipulated by the forks. Each type of mast presents its own set of advantages for different applications depending on their height and stacking requirements.
What does the load backrest do?
Load backrests play an important role in keeping your drivers safe. They prevent your forklift’s load from falling toward the driver. It features a steel grid above the forks and attaches to the sides of the forklift carriage with heavy-duty, steel framing.
How much does a forklift mast weigh?
Typical forklift weight ranges are between 4000 to 9000 lbs or 1800 to 4100 kg. Most forklifts used in a warehouse and distribution center weighs 3500 to 5000 lbs or 1500 kg to 2300 kg. Heaviest forklift is Kalmar DCG720-10LB forklift which weighs 204,600 lbs or 93500 kg.
What does the backrest do?
A primary function of the backrest is to help support this lumbar lordosis in sitting by maintaining contact with a convexity on the backrest called the lumbar support. This is an especially important feature with a non-tilting seat pan, which tends to cause rounding of the back.
What is the area of risk when operating a forklift?
5. Floor Conditions. The surrounding work area presents several potential forklift dangers. Debris, puddles, unstable ground and other floor obstructions can cause falls or overturns if not immediately taken into account.
How does a forklift mast work?
As you may already know, a forklift uses hydraulic pressure to raise the mast up by raising the lift cylinders. This, in turn, raises the inner mast channels, but without the lift chains, your forks and carriage aren’t going anywhere. And if your forks aren’t being lifted, you aren’t going to be getting much work done.
What is the rated capacity of a forklift?
A forklift’s rated load capacity is the maximum weight in kilograms that a forklift can safely lift and transport at a specified load centre distance in millimetres. This rated load capacity is listed on the forklifts name plate or load capacity data plate.
What are the 7 classes of forklifts?
The 7 Classes of Forklift Trucks
- Class 1: Electric Motor Rider Trucks.
- Class 2: Electric Motor Narrow Aisle Trucks.
- Class 3: Electric Motor Hand or Hand-Rider Trucks.
- Class 4: Internal Combustion Engine Trucks—Cushion Tires.
- Class 5: Internal Combustion Engine Trucks—Pneumatic Tires.
What are 3 types of forklift trucks?
What are the different Forklift types?
- Class I: Electric Motor Rider Forklifts.
- Class II: Electric Motor Narrow Aisle Forklifts (Reach Trucks, Order Pickers)
- Class III: Electric Pallet Jacks, Stackers, and Tow Tractors.
- Class IV: Internal Combustion Cushion Tire Forklifts.
How dangerous are forklifts?
Most unfortunately, there are about 85 forklift accidents every year in which one or more people die. The most common way someone dies in an accident involving a forklift is when the vehicle tips over.