The Two Main Types Of Car Hoists Are 2 Post & 4 Post

The Two Main Types Of Car Hoists Are 2 Post & 4 Post


Two Post Car hoist Clearfloor and Baseplate
the two post car hoist clear floor needs for correct installation A concrete pad of 32 mpa strength and 120 -150 mm thickness.
the minimum width requirement is 5 meters and the minimum height requirement is 3800 mm
The hoist is available in 240 & 415 volts (single phase & 3 phase).The hoists are hydraulicly operated with two rams and some are direct drive and some are chain drive the direct-drive is more powerful, the hoists are available in safe working load capacity ranging from 3.5 tonne to 6.8 tonne.from safe working load of 4 tonne and upwards the minimum concrete thickness needs to be at least 150 mm,most mechanical workshops prefer clear floor hoists as this is are distinct advantage in most mechanical repair work the hoists meet all Australian standards as 1418.9-1996 the two post hoists overall do not require the same amount of space as the four-post hoists. The two post hoists are fitted with wire cables for lifting and stabilization and for lifting the carriages for both posts.the two post hoists which have a base plate between the posts are manufactured with chain drive. the hoists are fitted with a load hold facility to secure the load, extend the life of the lifting cables and to comply with Australian standards. the lifting arms can be supplied with a stackable pad or screw pad but most people prefer a screw pad.both hoists clear floor and base plate use 32 or 46 hyspin hydraulic oil,
four post car hoists  Four post car hoists are available in many different models. they are available in safe working load capacity from 3 tonne to 30 tonne they are available in two types, one designed for car parking and storage facility and the other for mechanical workshop use the models designed for parking use are of a more simpler construction, easier to install and use and a more designed for home use and parking solutions,the drive on-ramps can be fixed or moveable to cater for vehicles of less width.the four post hoists can be supplied with all requirements to perform wheel alignments the four post hoists can be fitted with rolling jacks, this is a hydraulic operated lift to raise the front or the rear of the vehicle to perform tyre rotations, brake repairs, suspension work, and many other mechanical inspections and repairs. the four post hoists are also fitted with load hold capacity for the same reasons as the two post.the parking lift hoists can be operated with 4 caster wheels so as to be used mobile.the four post hoists are fitted with two safety locks one operated by air and one electrically also fitted with 6 pulleys 4 on the front and two on the rear of the post and the 4 post operated with one ram only heavy-duty and use hydraulic oil 32 or 46 hysipn .some four post hoists can be supplied with aluminum ramps, the ramps can be supplied in different lengths to suit the customer’s requirements.some four post hoists are fitted with longer than normal platforms to suit long wheelbase vehicles.in summary, the hoists are designed and built to suit the purchases need and requirements.

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Two Post Car Lift vs Four Post Car Lift

Car lift is automotive equipment used to lift or move the car in the vertical direction. Auto lifts or car lifts come in various shapes and sizes. Car lifts are categorized into two major classes- one that engages by frame and another that engage by the wheel.

There are various types of car lifts, namely, single post lifts, two post lifts, four post lifts, parking lifts, scissors lifts, specialty lifts, motorcycle lifts, etc. Here we will discuss and compare the two post lift and four post lift.

Two Post Lift
Two Post Lift engages by frames and it is the most common type of auto lift. It is called two posts as it consists of two columns placed on either side of the vehicle. It is considered as the best choice for professional automotive repair shops.
This is because two post car lift leaves the car entirely open to do the repair work. Also, as they leave the suspension hanging, it becomes easier to change the tires in two post lift than the four post lift. However, two post car lifts are not considered for parking applications.

Generally, there are two types of two post car lifts: Symmetrical and Asymmetrical. Both function greatly but you need to take care to not to bump the doors in case of symmetrical lift. This happens because in symmetrical lift vehicle’s center is lined up with the posts and the doors are next to the lift posts.
Thus, when you open the door, it might get bumped into the post. However, it can be avoided if the driver is alert. To tackle this problem, Asymmetrical lifts were introduced. In asymmetrical car lift, the front arms are shorter than the back arms as opposed to the symmetrical lift where all arms are of equal length.

Four Post Lift
Contrary to Two Post car lift, four post car lift is a wheel-engaging type auto lift. It is considered sturdier than the two post car lift because it has the additional support of four posts. Because there are extra materials and mechanics involved in four post lifts, it is slightly higher in price than the two post lifts.
The good thing is that some four post home automotive lifts do not need anchorage to the floor which means they can be easily moved. Such type of four post car lifts are easy for storage and hence are considered ideal to be kept at home. Moreover, Four Post car lifts can also be used for parking the two cars in the same spot.

Wrapping Up
So now you know the difference between the two post car lift and four post car lift. Buy the one that suits your need!


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