FEIERDUN 4-in-1 Leg Extension Curl Machine 700 lb
- Material Type: Alloy Steel
- Strap Type: Linear Bearing Straps
- Warranty Description: 1 year
- Color: Black Orange
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A space-saving 4-in-1 leg machine with a load rating built for serious use, worth considering for anyone assembling quad and hamstring work into one home gym station.
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ASIN: B0G7DL9H62Category: Leg Strength Machines
Overview
FEIERDUN's 4-in-1 leg extension and curl machine is a black and orange gym unit rated for 700 pounds of capacity, combining leg extension and leg curl movements along with two other functions in one frame.
Multi-function leg machines like this fold several exercises into a single pad and lever arm, which saves floor space compared to owning separate extension and curl equipment. The 700 pound capacity rating suggests a reinforced frame, though the listing does not specify what the other two of the four functions are.
- 4-in-1 leg extension and curl design
- 700 pound weight capacity
- Black-orange finish
- FEIERDUN brand
Who it's for
Fits home gym owners who want quadriceps and hamstring isolation work without buying two separate machines. Less suited to anyone with very limited space, since multi-function frames are still bulkier than a single-exercise unit.
Pros and cons
- 700 pound capacity for a reinforced frame
- Combines four functions in one machine
- Saves space versus separate leg extension and curl units
- The other two of the four functions are not specified
- Larger footprint than a single-exercise machine
Performance notes
The 700 pound capacity points to a heavier-duty steel frame than typical entry-level leg machines, adjustable to switch between the extension and curl positions plus the other two stated functions.
Specifications
| Brand | FEIERDUN |
|---|---|
| Dimensions & fit | |
| Grip Size | medium |
| Construction & materials | |
| Material Type | Alloy Steel |
| Color | Black Orange |
| Included components | |
| Unit Count | 1 |
| Included Components | Instruction, Hardwares, Leg Extension And Curl Machine |
| Warranty & support | |
| Warranty Description | 1 year |
| Tension Supported | 650 lbs |
| Other details | |
| Strap Type | Linear Bearing Straps |
| Item Type Name | Leg Extension Curl Machine |
Frequently asked questions
What exercises does the FEIERDUN machine cover?
It is built as a 4-in-1 unit including leg extension and leg curl movements.
What is its weight capacity?
It carries a 700 pound capacity rating.
What color does it come in?
It is finished in black-orange.