Description
Leg Extension & CurlTwo lower-body exercises
Self-Aligning RollerComfortable leg positioning
Adjustable Back PadAdapt to different users
Dual-Function DesignEfficient use of gym space
HOIST HD-3400 Dual Leg Extension/Leg Curl black finish

HOIST HD3400 LEG EXTENSION / LEG CURL

HOIST HD-3400: Leg Extension and Leg Curl in One Station

The HOIST HD-3400 combines leg extensions and leg curls in one selectorized station, giving users two complementary ways to train the muscles at the front and back of the thighs. Facilities can offer both exercises without dedicating floor space to two separate machines. The dual-function design is especially practical for strength circuits and shared fitness rooms.

DUAL-FUNCTION LEG TRAINING

HOIST HD-3400: Adjustments for Different Leg Lengths

A self-aligning roller pad helps position the lower legs during exercise, while eight back-pad settings accommodate different leg lengths. Multiple range-of-motion adjustments allow users to set up for leg extensions and leg curls separately. These adjustment options are useful in facilities where equipment must work for a variety of users.

HOIST HD-3400 Dual Leg Extension/Leg Curl platinum finish
HOIST HD-3400 Dual Leg Extension/Leg Curl white finish

COMMERCIAL STRENGTH APPLICATIONS

HOIST HD-3400: A Practical Addition to Lower-Body Training

The HOIST HD-3400 can complement the HOIST HD-3403 Leg Press/Calf Raise for a more complete lower-body circuit. For additional exercise variety, explore our selectorized strength stations or the HOIST HD-3600 Ab Crunch/Low Back. The HOIST HD-3400 offers a 215 lb standard weight stack or a 240 lb heavy-stack configuration, with an optional 5 lb upgrade for either version. Matte Black, Platinum and White frame finishes are available with Black upholstery. These options let facilities select a resistance configuration and finish to suit their strength area.

Ask an Equipment Specialist for help choosing commercial strength equipment.

The Fitness Outlet is an authorized HOIST Fitness dealer offering product guidance, delivery options and manufacturer warranty support.

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Specifications
Specifications data
Product: HOIST HD-3400 Leg Extension/Leg Curl
Dimensions: 60.75 × 48.75 × 55.00 in (L × W × H)
Machine Weight: Standard (HD): 557 lb; Heavy Stack (HDG): 580 lb
Weight Stack: Standard (HD): 215 lb; Heavy Stack (HDG): 240 lb
Weight Stack Upgrade: Optional 5 lb upgrade (RS-CAGE-NG-OPT3): weight stacks 220/245 lb; machine weights 569/592 lb (HD/HDG)
Features: Eight back-pad adjustments; multiple range-of-motion adjustments for both exercises; self-aligning roller pad
Frame Finishes: Matte Black, Platinum, White
Upholstery: Black
Warranty
Warranty data
HOIST HD DUAL SERIES — COMMERCIAL WARRANTY
Applies to the original purchaser and qualifying manufacturer defects under normal use or service.
Body / Frame: 10 years
Structural Moving Parts: 5 years
Bearings, Bushings & Pulleys: 3 years
Finish / Paint, Cables, Upholstery & Accessories: 1 year
FAQs
Frequently asked question

What exercises can I perform on the HOIST HD-3400?

The HD-3400 combines leg extensions and leg curls in one selectorized station. Leg extensions emphasize the quadriceps, while leg curls emphasize the hamstrings.

How does the HD-3400 adjust for different users?

The machine provides eight back-pad settings for varying leg lengths, multiple range-of-motion adjustments for each exercise, and a self-aligning roller pad.

What weight stacks are available on the HD-3400?

The standard HD configuration has a 215 lb weight stack, and the HDG heavy-stack version has a 240 lb stack. An optional 5 lb upgrade increases them to 220 lb and 245 lb, respectively.

What are the dimensions of the HOIST HD-3400?

The manufacturer's current dimensions are 60.75 inches long, 48.75 inches wide, and 55 inches high. Allow additional room for user access, movement, and maintenance.

Is the HOIST HD-3400 suitable for commercial fitness facilities?

Yes. The HD-3400 belongs to HOIST's commercial HD Dual Series and is an option for facilities that want leg extension and leg curl exercises in one station.

What frame colors are available?

HOIST lists Matte Black, Platinum, and White frame options with Black upholstery. Confirm the desired configuration when ordering.

What warranty coverage is listed for the HD-3400?

The commercial warranty summary on this page lists 10 years for the body/frame, 5 years for structural moving parts, 3 years for bearings, bushings and pulleys, and 1 year for finish/paint, cables, upholstery and accessories. Manufacturer terms and eligibility apply.

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