Collection: Muscle D Fitness
Muscle D Fitness, formerly Muscle Dynamics, was founded in 1977 and today is a fitness and strength equipment manufacturer located in the city of Paramount, CA. Their fitness equipment offerings are expansive and cover multiple categories including plate loaded free weight machines, functional trainers, leverage strength equipment, multi-stations, selectorized weight stack machines, free weight storage solutions and more. Muscle Dynamics has a rich history of fitness equipment manufacturing including supplying weight benches, racks and exercise machines for Joe Gold, the original founder of Gold’s Gym. Muscle D was also one of the original equipment brands to be showcased at the famous Muscle Beach Gym in Venice Beach, CA.
Iron Zone Gyms is one of Muscle D Fitness's most trusted online dealers. Let us know if you have product questions or would like a custom bundled quote. Call 1 800-821-2681 or email quotes@ironzonegyms.com.

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Vendor:Muscle D Fitness
Muscle D Elite Leverage Line Chest/Incline Press
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- Price: $3,795.00
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Muscle D Elite Leverage Line Chest/Incline Press
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- Price: $3,795.00
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Vendor:Muscle D Fitness
Muscle D Deluxe 3 Station 12 Stack Multi Station Gym Machine
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- Price: $25,995.00
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Muscle D Deluxe 3 Station 12 Stack Multi Station Gym Machine
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- Price: $25,995.00
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Vendor:Muscle D Fitness
Muscle D 88" Dual Adjustable Pulley
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- Price: $3,695.00
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Muscle D 88" Dual Adjustable Pulley
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- Price: $3,695.00
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Vendor:Muscle D Fitness
Muscle D Excel Strength Belt Squat
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- Price: $3,495.00
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Muscle D Excel Strength Belt Squat
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- Price: $3,495.00
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Vendor:Muscle D Fitness
Muscle D Free Weight Line 93" Smith Machine
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- Price: $3,995.00
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Muscle D Free Weight Line 93" Smith Machine
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- Price: $3,995.00
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Vendor:Muscle D Fitness
Muscle D Free Weight Line 45 Degree Linear Leg Press Machine
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- Price: $4,595.00
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Muscle D Free Weight Line 45 Degree Linear Leg Press Machine
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- Price: $4,595.00
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Vendor:Muscle D Fitness
Muscle D Free Weight Line 45 Degree Linear Calf/Hack Machine
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- Price: $3,825.00
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Muscle D Free Weight Line 45 Degree Linear Calf/Hack Machine
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- Price: $3,825.00
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Vendor:Muscle D Fitness
Muscle D Free Weight Line 30 Degree Linear Hack Squat Machine
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- Price: $3,995.00
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Muscle D Free Weight Line 30 Degree Linear Hack Squat Machine
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- Price: $3,995.00
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Vendor:Muscle D Fitness
Muscle D Dual Adjustable Pulley/Smith Machine Combo
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- Price: $6,795.00
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Muscle D Dual Adjustable Pulley/Smith Machine Combo
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- Price: $6,795.00
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Vendor:Muscle D Fitness
Muscle D Selectorized Elite Line Seated Chest Press
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- Price: $3,895.00
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Muscle D Selectorized Elite Line Seated Chest Press
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Vendor:Muscle D Fitness
Muscle D Selectorized Elite Line Pec Deck/Rear Delt Machine
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- Price: $3,895.00
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Muscle D Selectorized Elite Line Pec Deck/Rear Delt Machine
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Vendor:Muscle D Fitness
Muscle D Selectorized Elite Line Abdominal Crunch
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- Price: $3,795.00
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Muscle D Selectorized Elite Line Abdominal Crunch
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- Price: $3,795.00
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Vendor:Muscle D Fitness
Muscle D Selectorized Elite Line Seated Tricep Press Machine
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- Price: $3,795.00
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Muscle D Selectorized Elite Line Seated Tricep Press Machine
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Vendor:Muscle D Fitness
Muscle D Selectorized Elite Line Bicep Curl
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- Price: $3,895.00
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Muscle D Selectorized Elite Line Bicep Curl
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Vendor:Muscle D Fitness
Muscle D Selectorized Elite Line Side Lateral Raise Machine
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- Price: $3,895.00
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Muscle D Selectorized Elite Line Side Lateral Raise Machine
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- Price: $3,895.00
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Vendor:Muscle D Fitness
Muscle D Selectorized Elite Line Shoulder Press Machine
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- Price: $3,795.00
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Muscle D Selectorized Elite Line Shoulder Press Machine
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Vendor:Muscle D Fitness
Muscle D Selectorized Elite Line Rotary Torso Machine
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- Price: $3,795.00
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Muscle D Selectorized Elite Line Rotary Torso Machine
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- Price: $3,795.00
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Vendor:Muscle D Fitness
Muscle D Selectorized Elite Line MD Muscle-Flight Trainer Machine
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- Price: $4,995.00
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Muscle D Selectorized Elite Line MD Muscle-Flight Trainer Machine
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Vendor:Muscle D Fitness
Muscle D Selectorized Elite Line Seated Row Machine
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- Price: $3,895.00
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Muscle D Selectorized Elite Line Seated Row Machine
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- Price: $3,895.00
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Vendor:Muscle D Fitness
Muscle D Selectorized Elite Line Lat Pulldown Machine
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- Price: $3,895.00
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Muscle D Selectorized Elite Line Lat Pulldown Machine
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- Price: $3,895.00
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Vendor:Muscle D Fitness
Muscle D Selectorized Elite Line Low Back Extension Machine
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- Price: $3,795.00
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Muscle D Selectorized Elite Line Low Back Extension Machine
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- Price: $3,795.00
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Vendor:Muscle D Fitness
Muscle D Selectorized Elite Line Lat Low Row Machine
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- Price: $3,895.00
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Muscle D Selectorized Elite Line Lat Low Row Machine
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Vendor:Muscle D Fitness
Muscle D Selectorized Elite Line Leg Press Machine
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- Price: $4,995.00
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Muscle D Selectorized Elite Line Leg Press Machine
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- Price: $4,995.00
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Vendor:Muscle D Fitness
Muscle D Selectorized Elite Line Leg Extension Machine
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- Price: $3,895.00
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Muscle D Selectorized Elite Line Leg Extension Machine
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- Price: $3,895.00
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