4 Ton Floor Jack Hydraulic Low Profile Floor Jack - Fast Dual Piston

In this review of the 4 Ton Floor Jack Hydraulic Low Profile Floor Jack, the bottom line is simple: this is a workhorse jack for DIY mechanics and small shops that need reliable, heavy lifting at an affordable price. The standout reason to buy is the dual piston quick lift pump, which noticeably shortens the number of pumps to reach a working height, making routine tire or suspension jobs faster and less tiring. It balances a 4 ton capacity with a low 3.9' start height so it fits under many low-profile cars while still handling trucks and trailers.

Key Features

• 4 Ton Capacity: Rated to lift up to 8,800 lbs, it is suitable for a wide range of cars, light trucks and many SUVs.
• Low Profile Design: The 3.9 in minimum height lets users reach the lift points on lowered cars and vehicles with low ground clearance.
• Lifting Range: Extends to 20 in, providing ample clearance for wheel changes, brake work, and underbody access.
• Dual Piston Pump: The dual piston system lifts up to five times faster than a single pump, reducing effort and save time on repetitive lifts.
• Wide Stance Stability: A broad base improves support under load, making it steadier when working under heavier vehicles.
• No-Worry Guarantee: Each jack is tested for safety and the maker offers customer support if issues arise.

Who It's For

This jack fits home mechanics, hobbyists and small garage owners who need a dependable, heavy-capacity jack that can handle both low-profile cars and heavier vehicles like light trucks and trailers. The quicker lift action makes it especially useful for shops or users who perform many raises each day and want to save time and wrist effort.

Users who need a compact, ultra-light travel jack or who require a professional-grade, certified shop jack for daily commercial towing operations should look at higher-end, purpose-built shop equipment. Also, if absolute lightness for portability is the priority, the unit's solid build means it has noticeable weight compared with some ultra-compact models.

Pros & Cons

Pros

• Strong 4 ton lift capacity that covers most cars, trucks and trailers used by consumers.
• Dual piston quick lift significantly reduces pumping time versus single-piston jacks.
• Low 3.9 in starting height and 20 in max height give a wide useful range for many jobs.
• Well built with positive customer feedback on build quality and value for money.

Cons

• Some users report the jack is heavier than expected, which can reduce portability for roadside use.
• A few customers have mixed opinions about long-term durability, so heavy commercial users may prefer a higher-tier shop jack.

Specifications

Brand	Jack Boss
Capacity	4 Ton (8,800 lbs)
Minimum Lift Height	3.9 in
Maximum Lift Height	20 in
Pump Type	Dual piston quick lift pump
Primary Use	Cars, light trucks, SUVs, trailers

Our Verdict

The 4 Ton Floor Jack is a practical choice for home garages and small shops that need a robust, low-profile jack with faster lifting action. It delivers excellent value through a high lift capacity, broad height range and a dual piston pump that speeds common tasks, although users who need the lightest possible unit or a commercial heavy-duty certified shop jack may want to consider other options.

Frequently Asked Questions

What vehicles will this jack fit?
The low 3.9 in starting height and 20 in max height make it suitable for many lowered cars, most passenger cars, light trucks and SUVs, plus trailers with standard lift points.

How much faster is the dual piston pump?
The dual piston quick lift significantly reduces the number of pumps to reach working height compared with single-piston jacks, saving time and effort for repeated lifts.

Is the jack safe to use under a truck?
Yes, the jack is tested to 4 ton capacity and has a wide stance for stability, but always use jack stands and follow safe lifting procedures when working under any vehicle.