Marcy SM-4008 Combo Smith Machine | An Excellent Option

The Marcy SM-4008 Combo Smith Machine is an excellent option for use. While it is a little more expensive than some of the other mid-range options out there, it does come with a considerable amount of exercise options, plus unrivaled durability too.

Keep in mind, this item is big, heavy, and bulky, plus it requires the purchase of free weights.  Moreover, the Marcy SM-4008 Combo Smith Machine’s oversized steel tubing frame makes it an incredibly sturdy home gym option. Every last part of this mid-range home gym is durable and built to last for years to come.

The SM-4008 comes with a total leg developer with many different leg exercise options. The Marcy SM-4008 Combo Smith Machine also comes with a pull-up bar for upper body workouts, plus it also has high cross pulleys for cross over weight lifting exercises. The SM-4008 also comes with a highly adjustable bench that can be flat, inclined, or declined for various uses, plus it is removable as well.

The Marcy SM-4008 Combo Smith Machine has many different exercise options for you to explore. You can work out every single muscle in your body using the Marcy SM-4008 Combo Smith Machine.

Learn more in my complete review below

Marcy SM-4008 Combo Smith Machine
Marcy SM-4008 Combo Smith Machine

Product: Marcy SM-4008 Combo Smith Machine

Price: For a great deal on this gym, merely go here on Amazon

Warranty: 2 years limited

My rating: 7.5/10

Amazon Affiliate Disclosure: I may earn commissions on purchases made through links in this post.

Details and Specifications

  • Assembled dimensions: 94L x 80.75W x 84H inches (239L x 205W x 213H cm)
  • Total assembled weight: 279 lbs (126.5 kg)
  • Weight capacity:
    • Bench: 300 lbs (136 kg) maximum user weight capacity
    • Press bar: 300 lbs (136 kg) maximum user weight capacity
    • Leg Developer: 100 lbs (45 kg) maximum user weight capacity
    • Cross-over, Lat Pull: 200 lbs (90.7 kg) maximum user weight capacity
  • Compatible weight plates: Olympic & Standard
  • Possible exercises: 100+
  • Warranty: 2 years limited

SM-4008 Frame construction

The Marcy SM-4008 Combo Smith Machine frame is 14 gauge square steel tubing, offering excellent sturdiness and stability. Although its base bars do not have holes for anchoring them to the floor, this isn’t necessary, especially if you load the storage pegs with weight plates.

This Marcy home gym system is relatively large. The cage itself, without the bench and the Smith bar attached, is approx. 66″ (168 cm) long, and 60″ (153 cm) wide. With the bench attached, its length will become 94″ (239 cm), while the Smith bar is 80.75″ (205 cm). When it comes to its height, the fully assembled machine’s highest point is 84″ (213 cm). Thus, it’s advisable to place it in a room with a ceiling of at least 8′.

The included Smith bar is not an Olympic bar. It weighs only 25 lbs, and it’s slightly shorter. However, it features Olympic sleeves, which are removable to accommodate Standard weight plates. This also stands for the weight plate storage pegs.

The main upright bars of the frame feature nine locking positions for the safety and catch bars. The machine does include two catch bars and two safety bars, which give you the possibility to exercise with the bar outside of the Smith machine.

Marcy SM-4008 Combo Smith Machine (weight plates not included)

The top part of the machine includes a pull-up bar. This bar reasonably simple; it does not have any rubber grips but does offer the possibility to perform wide-grip pull-ups.

Finally, most of the bars in the frame construction come with a gray, corrosion-resistant finish. However, the bars of the Smith machine and the Smith bar itself are chrome coated.


The bench supplied with the Marcy SM-4008 Smith machine features a metallic frame similar to the cage frame. It can connect to the main structure, but you can also use it without attaching it to the frame. Also, it is removable if needed. Its backrest features four adjustment positions. As a general idea, the bench offers three incline positions and a horizontal position.

The bench and the backrest board attached to the mainframe integrate a generous layer of high-density foam, providing optimal comfort. The upholstery is two-toned, brown vinyl, which can last a lifetime if treated with proper care. When it comes to padding, the leg developer station attached to the bench features four 3.5″ (8.9 cm) foam roller to deliver the required comfort for various leg exercises.

SM-4008 Pulleys

The machine’s pulleys are made of heavy-duty nylon material and integrate sealed ball bearings for smooth operation and a long lifespan. The cables have a much higher capacity than the weight capacity of the machine. A sheet of PVC also covers them to deliver a smooth movement over the pulleys.

Included accessories

The main accessories included with this machine are:

  • Handle grip x2
  • Triceps rope x1
  • Ankle strap x1
  • V bar x1
  • Shiver bar x1
  • Chain link x1

The machine does not include weight plates of any kind. However, its bar and the storage pegs are compatible with both Olympic and Standard bars. This machine does not have a Lat Bar accessory either. Also, in case you’re wondering, the bench is not compatible with a Preacher Pad attachment.

Marcy SM-4008 Combo Smith Machine
Marcy SM-4008 Combo Smith Machine

SM-4008 Workout stations

Chest press station. This workout station involves the Smith machine and bar. However, the Marcy SM-4008 also has removable catch bars and safety bars opposite to the Smith machine so that you can work with the bar outside the cage.

Pec fly station. This workout station involves two simple arms with elbow pads, using the rear weight bar. Specifically, this station is for workouts focusing on the development of pectoral muscles.

Pull-up station. This feature is the pull-up bar integrated into the top part of the machine. It’s a simple bar, without knurled or rubber grips, which allows various pull-up exercises.

High crossover station. Two high pulleys give this exercise station for various crossover exercises or lat pulldowns. The machine does not include a lat bar accessory, but you can purchase one separately, attach it to the pulleys, and perform lat pull-downs.

Leg developer. This element is attached to the machine’s bench. Specifically, it offers the possibility to perform leg extensions and leg curls;

Low pulley station. The low pulley opens many exercises such as one-legged curls, abductions, or seated rows. With this in mind, an ankle strap and a small shiver bar are (supplied) for the various activities that can be performed on this pulley.

Weight Limits and Ratios

Like most other weight machines involving a pulley system, the weight resistance delivered by the workout stations of the Marcy SM-4008 varies. Therefore, here are a few of its weight ratios:

  • Fly station – 10 lbs load generates 5 lbs of resistance.
  • Left Cross-Over – 10 lbs load produces 5 pounds of resistance.
  • Right Cross-Over – 10 lbs load produces 5 pounds of resistance
  • Low Pulley – 10 lbs load produces 10 pounds of resistance

With regards to the included Smith bar, it is not a regular Olympic bar. It weighs only 25 lbs (11.3 kg), and it’s slightly shorter. Therefore, you will have to add more plates to it to make up for this difference.

Marcy SM-4008 Combo Smith Machine

In terms of weight limits, the machine’s bench has a weight capacity of 300 lbs (136 kg). The other weight limits are 300 lbs (136 kg) for the Smith bar, 200 lbs (90.7 kg) for the cross-over station, and 100 lbs (45.3 kg) for the leg developer.

SM-4008 Possible Exercises

An exercise brochure covering 32 base exercises comes included with the machine. You can perform a much more extensive array of activities, workouts, and variations along with those. As a general idea, some of the activities that you will be able to perform on this Marcy home gym system are:

Arm Exercises

Biceps curls
Lateral single-arm biceps curls
Lying biceps curls
Close-grip pulldowns
Triceps extensions
Triceps press-downs
Kneeling triceps extensions
Lateral single-arm triceps extensions
Prone triceps extensions
One-arm pull-ups
Wide grip pull-ups
Close-grip pull-ups
Behind head pull-ups
One-arm chin-up
Wide grip chin-ups
Close grip chin-ups

Marcy SM-4008 Combo Smith Machine
Marcy SM-4008 Combo Smith Machine

Abdominal Exercises

Cable crunches
Cable twist crunches
Seated trunk rotations
Standing trunk rotations

Back Exercises

Back flies/Back presses
Prone back flies
Prone reverse flies
Lat pulldowns
Aerobic rowing
Crossover rowing
Kneeling rowing

Chest Exercises

Chest presses
Single-arm chest presses
Wide grip chest presses
Close grip chest presses
Chest flies
Incline chest flies
Lateral chest flies
Single-arm chest flies
Pullovers with crunches/Pullovers with twisting crunches

Marcy SM-4008 Combo Smith Machine

Leg Exercises

Stand-up leg curls
Calf raises
Single-leg squats
Kneeling single-leg squats
Wide squats
Twisting squats
Jumping squats
Reverse lunges
Hip extensions
Hip adductions/Hip abductions

Shoulder Exercises

Shoulder presses
Upright rows
Lateral deltoid raises
Front deltoid raises
Lying front deltoid raises
Front deltoid raises with leg curls
Shoulder extensions
Lateral arm pulls

and many more.

Marcy SM-4008 Combo Smith Machine

SM-4008 Assembly and Maintenance

First of all, just like any other Smith machine, the Marcy SM-4008 is a substantial piece of equipment, so its transport and assembly require at least two people. The assembly process isn’t too complicated, but it may take several hours due to the many parts that need assembly.

However, the provided manual offers pretty clear step-by-step assembly instructions and diagrams. The tools required for assembly are not (included). You’ll need two adjustable wrenches and a set of Allen wrenches.

On the other hand, once assembled, the maintenance doesn’t require much. All you have to do is periodically grease the moving parts and check for loose bolts.


  • Sturdy, all-steel frame;
  • Several workout stations, including chest press station, pec fly station, low pulley station, high pulley crossover station, leg development station, pull-up bar;
  • Four-position bench included;
  • The bench is easy to remove or attach to the main machine;
  • Smooth pulley and cable movement;
  • Two sets of catch bars included, and nine attachment positions for them on the front bars of the cage;

    Marcy SM-4008 Combo Smith Machine
    Marcy SM-4008 Combo Smith Machine
  • Compatible with both Olympic and Standard weight plates;
  • Four storage pegs for weight plates;
  • Ankle strap included;
  • V bar included;
  • Shiver included;
  • Handle grips included;
  • Triceps rope included;
  • Over 100+ possible exercises;
  • Quiet operation.


  • Weight plates are not (included);
  • The weight bar is not a regular Olympic bar, being 20 lbs lighter;
  • It takes quite a bit of space. 10 x 10 ft. is the usage surface area recommended for its proper usage;

Marcy SM-4008 Smith Combo Machine Summary

The Marcy SM-4008 is one of the most affordable Smith machines that you can find at the moment. The Smith also integrates five other workout stations, including a cross-over station, pull-up bar, leg developer, low pulley, and pec fly. It’s a mid-range machine with a load limit of 300 lbs for the bar and 200 lbs for the cross-over in terms of weight capacity.

It’s a versatile home gym system, offering the possibility to perform more than 100+ exercises and variations. And finally, since it costs less than $1,000, I can safely say that it provides excellent value for the price.

I hope you found this article helpful and informative. If you have anything you’d like to share or any opinions about my website, please speak up. I look forward to your comments, questions, and the sharing of ideas.

2 thoughts on “Marcy SM-4008 Combo Smith Machine | An Excellent Option”

  1. Hi there. Thank you for sharing your review of Marcy SM – 4008 Combo Smith Machine. From all indications and everything you’ve shared about this machine, I feel that this machine is an excellent option. Because it lasts for years (and also has a two years limited guarantee), it has several stations and different exercises can be done with it, it’s affordable and has lots of features. I haven’t seen a large home gym like it before.

    Take care and compliment of the season.

  2. If only I saw this machine two months ago, I wouldn’t have bought the ugly one that I have right now. Compared with this one, which looks sturdy, the one that I have bought isn’t as good. The screws have loosened now after a month of use. Well, it’s a lesson learned, and next time I will buy an all-in-one home fitness equipment, it will be this. I will bookmark this review for future use of the link.


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