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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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Additional Options-MDM-5SCB and MDM-8SCB

$370.00

Additional Options-MT-JG4

$570.00

Additional Options-MT-JG5

$370.00

Additional Options-MT-JG8

$370.00
Muscle D Fitness Exercise Bikes Muscle D Commercial Upright Bike - LED Screen
 
Muscle D Fitness Exercise Bikes Muscle D Commercial Upright Bike - LED Screen
Muscle D Fitness Exercise Bikes Muscle D Commercial Upright Bike - LED Screen

Muscle D Commercial Upright Bike - LED Screen

$3,329.00
Muscle D Fitness Multi-Gym 4 Stack Megatron Compact Multi-Gym - Muscle D Fitness - Space Saving - Leg Extension & Curl, Lat Pull, Low Row, Multi-Press
 
Muscle D Fitness Multi-Gym 4 Stack Megatron Compact Multi-Gym - Muscle D Fitness - Space Saving - Leg Extension & Curl, Lat Pull, Low Row, Multi-Press
Muscle D Fitness Multi-Gym 4 Stack Megatron Compact Multi-Gym - Muscle D Fitness - Space Saving - Leg Extension & Curl, Lat Pull, Low Row, Multi-Press

Muscle D Fitness 4 Stack Megatron Compact Multi-Gym

$12,219.00
Muscle D Fitness Multi-Gym Silver Muscle D Fitness 4 Stack Megatron Deluxe Jungle Gym
Muscle D Fitness Multi-Gym Silver Muscle D Fitness 4 Stack Megatron Deluxe Jungle Gym
Muscle D Fitness Multi-Gym Silver Muscle D Fitness 4 Stack Megatron Deluxe Jungle Gym
Muscle D Fitness Multi-Gym Silver Muscle D Fitness 4 Stack Megatron Deluxe Jungle Gym
Muscle D Fitness Multi-Gym Silver Muscle D Fitness 4 Stack Megatron Deluxe Jungle Gym
Muscle D Fitness Multi-Gym Dark Gray Muscle D Fitness 4 Stack Megatron Deluxe Jungle Gym

Muscle D Fitness 4 Stack Megatron Deluxe Jungle Gym

From $8,995.00
Muscle D Fitness Multi-Gym 4 Stack Megatron Standard Jungle Gym - 2 Colors - Muscle D Fitness - Low Row, Lat Pulldown, Single Handle Hi/low Pulley, Double Hi/Low Pulley
 
Muscle D Fitness Multi-Gym 4 Stack Megatron Standard Jungle Gym - 2 Colors - Muscle D Fitness - Low Row, Lat Pulldown, Single Handle Hi/low Pulley, Double Hi/Low Pulley
Muscle D Fitness Multi-Gym 4 Stack Megatron Standard Jungle Gym - 2 Colors - Muscle D Fitness - Low Row, Lat Pulldown, Single Handle Hi/low Pulley, Double Hi/Low Pulley

Muscle D Fitness 4 Stack Megatron Standard Jungle Gym

From $6,995.00
Muscle D Fitness Multi-Gym 5 Stack Megatron Compact Multi-Gym - Muscle D Fitness - Lat Pull, Low Row, Bench Press, Lat Pull, Leg Ext / Curl
Muscle D Fitness Multi-Gym 5 Stack Megatron Compact Multi-Gym - Muscle D Fitness - Lat Pull, Low Row, Bench Press, Lat Pull, Leg Ext / Curl
Muscle D Fitness Multi-Gym 5 Stack Megatron Compact Multi-Gym - Muscle D Fitness - Lat Pull, Low Row, Bench Press, Lat Pull, Leg Ext / Curl
Muscle D Fitness Multi-Gym 5 Stack Megatron Compact Multi-Gym - Muscle D Fitness - Lat Pull, Low Row, Bench Press, Lat Pull, Leg Ext / Curl
Muscle D Fitness Multi-Gym 5 Stack Megatron Compact Multi-Gym - Muscle D Fitness - Lat Pull, Low Row, Bench Press, Lat Pull, Leg Ext / Curl

Muscle D Fitness 5 Stack Megatron Compact Multi-Gym

From $13,219.00
Muscle D Fitness Multi-Gym 5 Stack Megatron Deluxe Jungle Gym 3 Colors - Muscle D Fitness - Commercial-Grade , Lat Pull, Low Row, Functional Column
 
Muscle D Fitness Multi-Gym 5 Stack Megatron Deluxe Jungle Gym 3 Colors - Muscle D Fitness - Commercial-Grade , Lat Pull, Low Row, Functional Column
Muscle D Fitness Multi-Gym 5 Stack Megatron Deluxe Jungle Gym 3 Colors - Muscle D Fitness - Commercial-Grade , Lat Pull, Low Row, Functional Column

Muscle D Fitness 5 Stack Megatron Deluxe Jungle Gym

From $12,995.00
Muscle D Fitness Multi-Gym 5 Stack Megatron Standard Jungle Gym 2 Colors - Muscle D Fitness - Sturdy Commercial-Grade, Lat Pull, Low Row, Functional Column
 

Muscle D Fitness 5 Stack Megatron Standard Jungle Gym

From $9,995.00
 
Muscle D Fitness Multi-Gym Black Muscle D Fitness 8 Stack Megatron Compact Multi-Gym
 
Muscle D Fitness Multi-Gym Black Muscle D Fitness 8 Stack Megatron Compact Multi-Gym
Muscle D Fitness Multi-Gym Black Muscle D Fitness 8 Stack Megatron Compact Multi-Gym

Muscle D Fitness 8 Stack Megatron Compact Multi-Gym

$22,219.00
Muscle D Fitness Multi-Gym 8 Stack Megatron Standard Jungle Gym - 2 Colors - Muscle D Fitness - Black/Silver, Lat Pulldown, Pull-up, Low Row, Single/Double Pulleys
 
Muscle D Fitness Multi-Gym 8 Stack Megatron Standard Jungle Gym - 2 Colors - Muscle D Fitness - Black/Silver, Lat Pulldown, Pull-up, Low Row, Single/Double Pulleys
Muscle D Fitness Multi-Gym 8 Stack Megatron Standard Jungle Gym - 2 Colors - Muscle D Fitness - Black/Silver, Lat Pulldown, Pull-up, Low Row, Single/Double Pulleys

Muscle D Fitness 8 Stack Megatron Standard Jungle Gym

From $13,995.00
Muscle D Fitness Cable Machines Muscle D 88" Dual Adjustable Pulley
Muscle D Fitness Cable Machines Muscle D 88" Dual Adjustable Pulley
Muscle D Fitness Cable Machines Silver Muscle D Fitness 88" Dual Adjustable Pulley
Muscle D Fitness Cable Machines Muscle D 88" Dual Adjustable Pulley
Muscle D Fitness Cable Machines Silver Muscle D Fitness 88" Dual Adjustable Pulley

Muscle D Fitness 88" Dual Adjustable Pulley

$4,329.00
 
Muscle D Fitness Exercise Benches Muscle D Free Weight Line Flat to Incline Bench (Vertical Style)
 
Muscle D Fitness Exercise Benches Muscle D Free Weight Line Flat to Incline Bench (Vertical Style)
Muscle D Fitness Exercise Benches Muscle D Fitness Adjustable Flat to Incline Bench

Muscle D Fitness Adjustable Flat to Incline Bench

$595.00
Muscel D Functional Trainer Muscle-Flight Trainer
 
Muscel D Functional Trainer Muscle-Flight Trainer
Muscel D Functional Trainer Muscle-Flight Trainer

Muscle D Fitness Classic V2 Muscle-Flight Trainer

$5,550.00
Muscle D Fitness Muscle D Fitness Commercial Elliptical Trainer - LED Screen
 
Muscle D Fitness Muscle D Fitness Commercial Elliptical Trainer - LED Screen
Muscle D Fitness Muscle D Fitness Commercial Elliptical Trainer - LED Screen

Muscle D Fitness Commercial Elliptical Trainer - LED Screen

$6,219.00
Muscle D Fitness Muscle D Fitness Commercial Elliptical Trainer - Touch Screen
 
Muscle D Fitness Muscle D Fitness Commercial Elliptical Trainer - Touch Screen
Muscle D Fitness Muscle D Fitness Commercial Elliptical Trainer - Touch Screen

Muscle D Fitness Commercial Elliptical Trainer - Touch Screen

$7,775.00
Muscle D Fitness Muscle D Fitness Commercial Recumbent Bike - LED Screen
 
Muscle D Fitness Muscle D Fitness Commercial Recumbent Bike - LED Screen
Muscle D Fitness Muscle D Fitness Commercial Recumbent Bike - LED Screen

Muscle D Fitness Commercial Recumbent Bike - LED Screen

$3,995.00
Muscle D Fitness Muscle D Fitness Commercial Recumbent Bike - Touch Screen
 
Muscle D Fitness Muscle D Fitness Commercial Recumbent Bike - Touch Screen
Muscle D Fitness Muscle D Fitness Commercial Recumbent Bike - Touch Screen

Muscle D Fitness Commercial Recumbent Bike - Touch Screen

$6,219.00
Muscle D Fitness Muscle D Fitness Commercial Self Powered Curve Treadmill
 
Muscle D Fitness Muscle D Fitness Commercial Self Powered Curve Treadmill
Muscle D Fitness Muscle D Fitness Commercial Self Powered Curve Treadmill

Muscle D Fitness Commercial Self Powered Curve Treadmill

$4,439.00
Muscle D Fitness Muscle D Fitness Commercial Upright Bike - Touch Screen
 
Muscle D Fitness Muscle D Fitness Commercial Upright Bike - Touch Screen
Muscle D Fitness Muscle D Fitness Commercial Upright Bike - Touch Screen

Muscle D Fitness Commercial Upright Bike - Touch Screen

$4,439.00
Muscel D Multi-Gym Compact Single-Stack Multi-Gym
 
Muscel D Multi-Gym Compact Single-Stack Multi-Gym
Muscel D Multi-Gym Compact Single-Stack Multi-Gym

Muscle D Fitness Compact Single-Stack Multi-Gym

$3,695.00
Muscel D Functional Trainer Dual Adjustable Functional Trainer
 
Muscel D Functional Trainer Dual Adjustable Functional Trainer
Muscel D Functional Trainer Dual Adjustable Functional Trainer

Muscle D Fitness Dual Adjustable Functional Trainer

$4,329.00