SportsArt Fitness

SportsArt DF-306 Performance Lower Back & Ab Crunch Machine

Regular price $4,895.00 USD

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SportsArt DF-306 Back Extension and Ab Crunch dual-function strength machine - full view
$4,895.00 USD
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SportsArt DF-306 Performance Lower Back & Ab Crunch Machine


Description

The SportsArt DF-306 Back Extension/Ab Crunch is a dual-function selectorized strength machine engineered to target your lower back and abdominals in a single, space-saving unit. Designed as part of SportsArt's Performance Series Strength line, it combines two opposing movement patterns - back extension and ab crunch - into one beautifully built machine without sacrificing biomechanical integrity. The unique push-pull direct drive system uses two opposing cams to eliminate cable slack and make workout changeovers fast and seamless. Built for commercial gym environments, this machine handles up to a 500 lb user weight and features a generous 220 lb weight stack.

Whether you're outfitting a fitness center, hotel gym, or corporate wellness facility, the DF-306 delivers professional-grade core training without requiring separate dedicated machines. Its fully adjustable chest and back pad and multiple foot supports accommodate a wide range of users and training styles.


Key Features

  • Dual-Function Design: Combines back extension and ab crunch motions in one machine - ideal for facilities looking to maximize floor space.
  • Direct Drive System: Two opposing cams reduce cable slack and allow for faster workout changeover between exercises.
  • Fully Adjustable Chest/Back Pad: Accommodates a wide range of user heights and body types for optimal positioning and comfort.
  • 220 lb Weight Stack: Plate increments of 20 x 11 lbs (5 kg) provide a smooth, wide progression range for all fitness levels.
  • Low Starting Weight: Both Ab Crunch and Back Extension start at just 7.7 lbs (3.5 kg), making it accessible for rehabilitation and beginner users.
  • 500 lb Max User Weight: Built to handle heavy commercial use with a robust, inclusive weight capacity.
  • Multiple Foot Supports: Provides greater stability across varying user sizes and exercise positions.
  • Performance Series Strength Build: Part of SportsArt's DF300 Series, built to commercial quality standards with a premium aesthetic finish.
  • Dimensions: 44.6 x 44.1 x 57.2 in (113.2 x 112.2 x 145.3 cm) - a compact footprint for a dual-function machine.
  • Unit Weight: 474 lbs (215 kg) - substantial, stable construction for a secure user experience.

Shipping

Ships free! Please email us at service@omahasportsandgames.com for a delivery ETA or to confirm shipping details.


What's Included

  • SportsArt DF-306 Back Extension/Ab Crunch Machine
  • 220 lb weight stack (20 x 11 lb / 5 kg plates)

Why You'll Love It

The DF-306 is trusted by fitness professionals and facility managers who demand commercial-grade performance without compromising on space or budget. By combining two core-focused exercises into one machine, it delivers exceptional value in any gym layout. SportsArt's engineering pedigree ensures this machine is built to withstand the demands of daily, high-volume use year after year. The low starting resistance makes it versatile enough for rehabilitation clients and beginners, while the deep weight stack satisfies even the most advanced athletes. If you're looking for a reliable, well-built dual-function core machine from a brand with a proven commercial track record, the DF-306 is an easy choice.


Product Specifications

View Product Specs
Unit Weight 474 lbs / 215 kg
Dimensions (L x W x H) 44.6 x 44.1 x 57.2 in / 113.2 x 112.2 x 145.3 cm
Weight Stack 220 lbs / 100 kg
Plate Increments 20 x 11 lbs (5 kg)
Starting Weight - Ab Crunch 7.7 lbs / 3.5 kg
Starting Weight - Back Extension 7.7 lbs / 3.5 kg
Max User Weight 500 lbs / 227.3 kg
Series Performance Series Strength - DF300
Assembly Required Yes - commercial installation recommended; ships via freight on a pallet

FAQ

What exercises can I perform on the DF-306?

The DF-306 is designed for two core exercises: back extension and ab crunch. These two movements target opposing muscle groups - the lower back (erector spinae) and the abdominals - making it a highly efficient dual-function machine for core strength and stability training.

How is the DF-306 shipped, and is assembly required?

Due to its size and weight (474 lbs), the DF-306 ships via freight on a pallet. Delivery is typically curbside or to a loading dock. Professional installation is recommended for commercial environments. Please contact us at service@omahasportsandgames.com for specific delivery details and to schedule your delivery window.

Is this machine suitable for rehabilitation use?

Yes. With a starting resistance of just 7.7 lbs on both the ab crunch and back extension functions, the DF-306 is well-suited for rehabilitation settings, allowing users recovering from injuries to begin at very low loads and progress gradually. Always consult a medical professional before beginning any rehabilitation exercise program.

How does the dual-function direct drive system work?

The DF-306 uses a direct drive system with two opposing cams - one for each exercise direction. This design minimizes cable slack so the resistance feels smooth and consistent throughout the range of motion. It also allows users to switch between back extension and ab crunch quickly, reducing downtime between sets or transitions between users in a busy facility.

What is the weight stack capacity, and is it enough for advanced users?

The machine comes with a 220 lb (100 kg) weight stack in 5 kg (11 lb) plate increments. This provides a broad progression range suitable for beginners through advanced athletes and is more than sufficient for the vast majority of core training applications in a commercial gym setting.


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