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30-Degree Linear Hack Squat Machine - Muscle D Fitness - Plate-Loaded - Adjustable Foot Plate

SKU FW-LHS-30S
Save 12% Save 12%
Original price $4,550.00
Original price $4,550.00 - Original price $4,850.00
Original price $4,550.00
Current price $3,995.00
$3,995.00 - $4,295.00
Current price $3,995.00

✓ Free Shipping Over $999 On Parcel Orders To The Lower 48 — Freight Items Rated At Checkout

✓ Pay Over Time With Shop Pay — 4 Interest-Free Payments Under $1,000; Monthly Plans Above

✓ Price Match Guarantee On Eligible Offers (Terms Apply)

✓ Questions? - Call ‪646-921-5221

Free Gift
Bonus Gift — Choose Your Free Training Bundle
Free Training Bundle ($99+ value) with purchase of any qualifying home gym or machine.
Select your preferred bundle below to claim your gift.
Peak Results Starter Bundle Recovery & Wellness Bundle Strength Pro Essentials Bundle Total Body Performance Bundle

🎁 Your free gift ships separately and arrives within 3–7 business days.

Free curbside freight delivery is included in the contiguous US. Upgrades are optional. Our team will confirm install scope within 30 minutes of order.

Color: Silver
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Why Choose Peak Flow Fitness?

Talk To A Real Live Sales Expert: Whether you're just starting your fitness journey or outfitting a full commercial gym, we've got the experience to guide you every step of the way.

Shipping: Parcel orders over $999 ship free to the lower 48; oversized and freight items are rated at checkout. Alaska and Hawaii buyers email us for a shipping quote. No sales taxes outside New York.

Price Match Guarantee: Find the same item for less at an authorized US online retailer and we'll match eligible offers (terms apply; MAP-protected items excluded).

Bulk Pricing and Volume Discounts: The more you purchase, the more you save. Collaborate with a dedicated Select Account Rep for custom pricing on all your gym equipment needs, all in one place.

30-Day Returns: Most items can be returned within 30 days of delivery. Restocking fees and condition requirements vary by brand — see our Return & Refund Policy for the terms that apply to your item.

Customers Nationwide: We've helped customers across the country elevate their fitness, and we're ready to help you too.

Genuine Products: New equipment comes with the manufacturer's warranty where applicable; certified pre-owned items carry the warranty stated on their product page.

Nationwide Installation Partners: Need help setting up your new equipment? Our nationwide installation partners have you covered, so you can focus on your fitness goals.

A Wide Selection: From the specialized fitness and sports equipment to the latest recovery technology, we offer a wide range of products to meet your fitness and health needs. Shop online or reach out to us for even more options!

Shipping & Delivery

Please allow 1-3 business days for processing. Once processed, your order will be packed and prepared for shipment within the handling time specified for each product in your order. If for any reason it will be much longer than this, we will contact you immediately.

Delivery Method: 

Once your order is shipped, we will send another email with the tracking number.

Orders under about 100 Lbs. ship UPS/FedEx ground. Large, heavy, or multi-unit orders ship LTL/FREIGHT with a curbside delivery appointment.

Transit Time:

Once shipped, your order will be in transit on its way to you. Standard ground shipments typically take 5–15 business days, and freight orders 7–21 business days.

Assembly Notice:

Most products are delivered in pieces and require assembly. Complexity varies by item, so feel free to reach out for details on a specific product.

Need a hand? We have a network of installers we can refer you to for assistance with setup. Contact us at 646-921-5221 with any questions pre or post purchase.

Cancellation/Returns

Orders can be canceled before they ship. A 3% payment-processing fee may be deducted from your refund; orders that have already shipped are handled as returns.

Custom, Built-To-Order, on demand products cannot be canceled or refunded after 24 hours, as these products are put into production specifically for your order. 

Damaged Items:

Please inspect your delivery and report any shipping damage within 48 hours of delivery; we will repair or replace any item damaged during shipment or faulty on arrival. New items carry the manufacturer's warranty; pre-owned items and spare parts carry the warranty stated on their product page.

Returns And Refunds:

Except for certain equipment and items identified below, your purchase is protected by our 30-day return policy.

To be eligible for a return:

  • Must be within 30 days of delivery (or the manufacturer's specific return window).
  • Condition requirements vary by brand. Most brands require the item to be in its original packaging and in new, resellable condition — see our Return & Refund Policy for your item.
  • Customer is responsible for the cost of return shipping.

The Following Can Not Be Returned Or Refunded:

  • Jacobs Ladder
  • Assembled or used products, unless the brand’s policy allows it — see our Return & Refund Policy
  • Any product with customization
  • Any product Built-to-Order

Email us any questions before or after your order at support@peakflowfitness.com or 646-921-5221 for more information.

Freight Delivery Included
Free Curbside Freight Delivery
This unit ships free by LTL freight with curbside delivery within the contiguous United States and Washington D.C. The freight carrier will contact you to schedule your delivery appointment. Alaska and Hawaii buyers must email us at support@peakflowfitness.com for a shipping quote. We don't ship to U.S. territories.
Optional upgrades (added fee): garage delivery, warehouse pre-assembly, or full assembly & installation. Choose one in the Delivery & Installation menu on this page.
Full assembly & installation: in-home delivery, unboxing, full assembly, packaging removal and a basic operational walkthrough.
Lead time: 3–6 weeks build + freight
Access requirements (garage delivery or installation): stairs, elevator, doorway clearance confirmed before dispatch.

Muscle D Fitness 30-Degree Linear Hack Squat Machine

As a certified personal trainer, the Muscle D 30-Degree Hack Squat is the machine I recommend when clients want to load their quads heavy without the spinal compression of back squats. The 30-degree sled angle puts more emphasis on the quadriceps than steeper hack squats while keeping your back supported against the pad. Linear bearings ensure smooth travel under heavy loads — no binding, no wobble, just clean reps.

What Makes This Hack Squat Stand Out

  • Free curbside freight delivery within the contiguous US. Garage delivery, warehouse pre-assembly and full assembly & installation are optional upgrades.
  • 30-Degree Sled Angle: A shallower angle than standard 45-degree hack squats, putting greater emphasis on quad development. The angle also allows deeper knee flexion for lifters with good mobility.
  • Linear Bearing Rail System: Same precision bearing technology found in commercial leg presses. The sled glides without friction, so 100% of your effort goes into moving the weight.
  • Adjustable Foot Plate: Change foot position to target different quad heads, or shift emphasis to glutes and hamstrings. One adjustment replaces three different exercises.
  • Plate-Loaded Design: No weight stack limits. Load it as heavy as your plates allow — this machine won't cap your progress.
  • Heavy-Gauge Steel Construction: Commercial-spec frame built for daily heavy use. Powder-coated finish in Black or Silver.
  • Safety Catches: Built-in safety stops let you train to failure without a spotter.

Who Is This Machine For?

The Muscle D Hack Squat is for bodybuilders, powerlifters, and serious recreational lifters who want to isolate their quads with heavy loads. If you've outgrown leg extensions and want a machine that can handle 6+ plates per side without flexing, this is commercial-grade equipment at a home gym price point. At $3,995-$4,295, it's built for people who train hard every day.

Why Buy From Peak Flow Fitness?

Peak Flow is owned and operated by a certified personal trainer who programs leg training and selects gym equipment for clients. We know how these machines perform under real training loads. Free shipping on orders over $999 (certain exclusions apply). Need help planning your home gym layout or choosing between the hack squat and leg press? Call us.

Build Out Your Leg Training Station

Shipping Information

Once you place an order with Peak Flow Fitness, you'll receive a confirmation email from our team. Have questions? Text or call us at 646-921-5221 or email support@peakflowfitness.com.

Processing time: Most orders are processed within 1–3 business days.

Shipping method: Smaller items ship via UPS, FedEx, or USPS. Large equipment — including saunas, cold plunges, massage chairs, and gym machines — ships via LTL freight with curbside delivery. Our freight carrier will contact you to schedule your delivery appointment.

Transit time: Standard shipping typically takes 5–15 business days after processing; freight shipments typically take 7–21 business days and are scheduled with you in advance.

Damage: Please inspect your delivery and report any shipping damage within 48 hours to support@peakflowfitness.com.

Where we ship: We currently ship within the continental United States. Only certain products can be shipped to Alaska and Hawaii. Customers in those states must email us at support@peakflowfitness.com for a shipping quote. Enjoy free shipping on orders over $999 (exclusions apply).

Full details: Shipping Policy.

If you buy from us and then find the same item for less at an authorized US online retailer, send us proof (a link, screenshot or quote) and we'll refund the difference on eligible offers.

Limitations:

• Items covered by a manufacturer's Minimum Advertised Price (MAP) policy are not eligible
• The item must be in stock at an authorized online retailer — no auction, discounter or marketplace sites, and no retail-only stores
• Rebates, bundle or buy-one-get-one offers and once-a-year promotions such as Black Friday/Cyber Monday are excluded
• The match covers item price and shipping and excludes sales tax

Full terms: Price Match Guarantee.

Return Policy

Items may be returned within 30 days of delivery if they are unused, in original condition and with all original packaging (including pallets). Please contact us before sending anything back.

Restocking fee: returns, cancellations and refused shipments that have already shipped are subject to a restocking fee of 15% minimum, depending on the product and brand. The fee is waived if the item arrived damaged or defective, the wrong item was shipped, or the error was ours. Return shipping is the customer's responsibility unless the error was ours.

Damaged or missing parts: report shipping damage within 48 hours of delivery, with photos, to support@peakflowfitness.com or 646-921-5221 and we'll make it right.

Cancellations: orders cancelled before they ship may have a 3% payment-processing fee deducted. Orders that have shipped are handled as returns.

Some brands have their own terms. See our full Return & Refund Policy before you buy.

Free Shipping

Free shipping on parcel orders over $999 to the lower 48 and no sales tax outside NY. Oversized and freight orders are rated at checkout; Alaska and Hawaii buyers email us for a shipping quote.

Give Us A Call

Call or Text 646-921-5221 to chat with a live sales expert!
Email: support@peakflowfitness.com

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Genuine equipment from 50+ brands, with manufacturer warranty support where applicable.

Financing Available

Pay over time with Shop Pay: 4 interest-free payments under $1,000, or monthly plans on larger orders. Rates shown at checkout.