This product is also available in the following packages:

Please read the following carefully as there are different ways in which you products may be delivered. You may need to make arrangements to meet the couriers and in the case of kerbside or pallet deliveries, you may need someone to help you take your equipment into your chosen room as the driver will only deliver the package to the outside of your house. 

Please click here for more information about delivery, shipping and installation

How Your Equipment Will Arrive: 2 Crates

Your gym equipment will arrive in flat packed boxes, wooden crates or by pallet service. Please see below for more information on which applies to your order. The courier will attempt to deliver on a day that is convenient to you.

Please click here for more information about delivery, shipping and installation

Doing Your Own Installation

Due to the complexity of the G20, G12, G9 and G6 we recommend that you purchase the installation option offered on the website. Should you decide to install yourself, please take note of all of the installation videos on the various product pages. For instance If you have a tight ceiling space you will need to assemble counter balances in a different order to that displayed in the instruction manual.  

Smith Machine Counterbalancing in Low Ceiling Conditions (Under 2.5m)

When installing the counter balance weights for the smith machine on the G9 and G12, you will need to conduct part of “Step 5” before you set the frame into an upright position. The step is same for the G9 and G12, although the below picture is of the G12.

If you try to drop the long counter weights into the machine when it is already assembled into an upright position, then you wont have enough room between the ceiling and the machine to get the counterweights down into the frame. 

Simply place the counter weights into the frame before placing the frame into tan upright position. 

Arranging a Professional Installation

In some regions there may be an option to choose to have your machine professionally assembled and installed by a third party installation company.

Please note that we engage with third-party installation companies and are reliant on their availability.  We therefore cannot guarantee any particular day or date for an installation service. Any date given for installation is an indication and will only be finalised by the installation company

if available,  an installation company will only finalise your installation booking after you have confirmed that you are happy with your delivery. Lead time around 14 to 20 days after delivery. This timing is very seasonal and its best to give us a call to chat about this as I can sometimes fast track this for you as soon as payment has been made. 

Installation is an Extra Charge of Between £300 and £600 Location Dependant

We use a highly proficient installation team and as such we pay them for being the professionals that they are. We have selected a team that will carefully put your equipment together so that you can enjoy many years of training. Installation times vary from between 2 hours and 6 hours depending on the item. This is how long it takes a professional team to install the machine it may take you a lot longer if you have limited technical experience. 

Please ensure that all of your parts have arrived and are available for the installation company. You can check these off against the installation booklet that is included in the box.

Should you be missing parts then please make immediate contact with us so that we can send you the missing spares. The installation company will only come out once and if the parts are not available they won’t be able to complete the job. 

Please see below for some of our YouTube videos for more information on the G Series and installations.


Force USA introduces the new Force USA G12 All-In-One Trainer Commercial Smith Machine Functional Trainer Power Rack Multi-Gym.  Fitness experts around the world have used up to 300 different exercises on this commercial Multi-Gym.

Designed and engineered in the USA to be robust,  solid  and versatile enough to create a variety of workouts for the most demanding of trainers. The Monster G12 is the  top of the G series range full commercial version of the legendary Monster G6 used in personal training Studios and home gyms around the world. 

The Monster G12 offers the equivalent of 7 strength training machines in a single power rack footprint including:  

Smith Machine, Functional Trainer, Squat Rack, Leg Press, Dip Bars, Multi Grip Chin and Pull Up Bar, Core Trainer, Weight Storage, Lifetime Frame Warranty

The  G12 All-In-One Trainer IS Ideal For:

  • Professional Workout space is limited. You need and All-In-One Machine 
  • You need Full commercial quality with weight stacks 
  • Serious and strong enthusiast. For lighter functional training look at the G6
  • You want the multi gym with lots of accessories.
  • You like the G6 All-In-One Trainer and want a Heavy Duty machine to cover most gym exercises.
  • You want heavy, strong with a heavy weight stack with large increments. 

The  G12 All-In-One Trainer IS NOT Ideal For:

  • Ceiling Height under 225cm 
  • Beginners and less powerful people
  • Sports specific functional training (see the G6)
  • You want a simple machine with no thinking required.
  • Weight Restrictions on the floor of less than 500kgs
  • You wanter finer increments on the weight stacks (See the G6). 

 Confused with the options? Click & Compare the Monsters!

Whats the differences between the G6 and G12 All-In-One Trainers? Click Here


Personal trainers and home gym owners around the world have said but they prefer a heavy-duty all in one multi gym that could perform all of the main planes of movement and exercises including the safety of a Smith machine and the benefits of the power rack, multi-functional trainer, leg press, multi grip chin up station and dip bars. Many of our commercial customers have relied on the Monster G9 as an economical free weight based commercial Multi-Gym solution. Enter the Force USA Monster G12 Commercial Smith Machine Functional Trainer Power Rack Hybrid Trainer with weight stacks. 

Strength athletes, high performance sports people, personal trainers, strength and conditioning coaches  and serious home gym enthusiasts will find that the Monster G12 exceeds all expectations!

That’s why we created the Force USA Monster G12!

Shopping around the web? Consider the following...


Force USA G12   
Similar Available Smith Multi Gyms* and Previous Units:

  • 6 Year Cable and Pulley Warranty
  • 35 Exercise Chart
  • Counter Balanced Smith Machine
  • Full Commercial 
  • 8 Machines in One
  • 8 Accessory Handles
  •  Free Leg Press, Dip Bars, Free Core Trainer, Free Knee Support for Lat Pulldown
  • Suspension Belt Stirrup 
  • Free Delivery within 5 days*
  • Installation Available
  • Original Force USA International Brand, The Trusted Name in Strength Equipment

  • 6 months to 1 year
  • No Chart 
  • No Counter Balancing
  • Light Commercial
  • 4 to 5 Machines in one
  • 4 - 5 Accessory Handles 
  • Optional Extras at additional Cost
  • No suspension Belt Stirrup, 
  • Some Suppliers Import per Order 
  • Some Companies Cannot Install. 
  • Some Local Brands or Strength not a Core focus

*Similar Units means a multi functional gym machine using the similar smith machine functional trainer combo format in the same price bracket (+ or - 5%). 

** When in stock. Force USA is housed and warehoused in the UK and when in stock dispatches to UK customers within 5 days and European customers within 7 days.

Smith Machine

360 kgs Weight Capacity Counter Balanced Commercial Smith Machine & commercial grade guide rails give you a frictionless experience. Fitted with safe lock & release mechanics and safety catch allowing you to max out your training without the need for a spotter. 

Counterbalance means a lower starting weight and the ability to work smaller muscle groups with lighter weights. 

The leg press attachment added to the Smith machine bar provides you different set of leg exercises such as leg press and calf press.

Please note that the  Smith machine works only with Olympic weights and at the Olympic size sleeves cannot be removed to make way for standard plates.

Power Rack

The steel Power Rack component includes J-Hooks and Front Safeties  with 450 kgs weight rating, which can be adjusted to any height position you need.  

High-end quality J-Hooks and Front Safeties include polymer coating whilst keeping your barbell knurling protected.

The Force USA G9 Monster  also features Westside spacing with 50 different numbered adjustment points to perfectly position any size user for bench press, incline bench press, shoulder press, squats, front squats and more.

Add to this the front safety arms which are ideal for holding your barbell for heavy partial deadlifts, shrugs or upright rows.

Functional Trainer

The Functional Trainer component allows you to perform over 75 different exercises. Featuresadjustable height positions to perform shoulder, arms, chest, back, core and leg exercises.

The FORCE USA Monster G9 has 22 height positions to perform cable exercises from all angles for Shoulders, Arms, Chest, Back Core and Leg Exercises. 

With Fluid Cable movement and Included cable attachments this light commercial Multifunctional Trainer Smith Machine Power Rack / is packed with features and offering a large variety of exercises

MultiGrip Chins 

The FORCE USA G12 All-In-One Trainer Functional Trainer Power Rack system has two Chin Bar options. The higher ladder format monkey bar and the ergonomic multi-grip chin up / Pull Up station with 350 kgs use weight, which you see on almost all of the FORCE USA power racks Including theForce USA MyRack, Force USA Monster G3, G6, G9 and G12. This ergonomic design allows you to perform pull ups, chin ups, wide grip pull ups, neutral grip pull ups and angled pull ups.  
The monkey grip chin bar increases the total height of the G12 from 223cm to 230cm

Leg Press

The monster G9 leg press attachment is included. Exercise your quads inner thighs and glutes from different angles The large footplate design means that you can use the leg press with a wide or narrow stance.

Checker plate construction enhances safety and  ensures a slip free surface

Handles attached to the leg press frame It's easier to move around attach and remove.

Commercial construction and powder coating.

Dip Station


Dips are a highly effective pushing exercise which target the chest, front deltoids and triceps.

Multi grip dip station handles allow you to use different width to Move the emphasis between chest and triceps. 

 by using the multiple adjustment positions on the frame you can adjust the height and use power bands or additional weights to increase the intensity.

Core Trainer

You see them in all the gyms,  now use your own  landmine station Core Trainer. 

The perfect accessory for all kinds of functional, core,  torso and rotational  training.  includes a t-ball for t-bar rowing.  please note that's a barbell is needed and these are sold separately.

Perfect for T Bar rowing,  two handed landmine press,  Lumberjack Squat and press,  one arm rowing,  one arm clean and press  and many more.


All in One Complete Personal Training and Full Commercial Gym Solution. The monster G12 offers the equivalent of 7 strength training machines in a single power rack footprint including a Smith Machine, Power rack, Functional Trainer, Pull-up Station, Dip Bars, Vertical Leg Press, and Core Trainer / Landmine. A Comprehensive Multi Functional  Gym in Compact Footprint

AAA Fitness Accessory Rating: 35 Exercise Chart, Lat Pulldown Bar, Single Handles, Tricep Rope, Short Bar, Shiver Bar (Tricep Push), Long Functional Double Ended Bar, Extension Chain, Core Trainer, Leg Press Plate, Multi Grip Chin Bar, Lat Pulldown Knee Lock, Dip Bar, Barbell Row Handle, 6 Weight Plate Holders (Olympic and Standard), Olympic Lock Collars, Storage Hooks for Accessories, Barbell J-hooks with polymer barbell protection, Safety Spotting Arms. 

Perform over 75 different exercises. Height positions to perform Shoulder, Arms, Chest, Back, Core and Leg exercises. Fluid cable movement. Includes cable attachments. 2 weight stacks of 221 lbs (99.5 kgs). Easy single handed pop pin adjustments mean quick height changes. 

Light commercial J-Hooks and Safeties designed to handle heavy loads while also protecting your barbell with a 450 kgs capacity. Westside hole spacing for ideal positions when performing bench press, squats, and overhead presses.

Commercial quality sealed bearings on the 360 kg weight capacity counter balanced smith machine with commercial grade rails provides ultra smooth movement. Lock and release system improves safety and easy to use. Use maximum weights safely without a spotter. Use the Included Leg Press Attachment to convert the Smith Bar into a Vertical Leg Press. Why not add Force USA Adjustable bench as well?

Ergonomic multi-grip chin up/pull up station with comfortable knurling and a 350 kg maximum weight capacity. Perform wide-grip, close-grip, neutral grip, reverse grip and ergonomic pull-up variations.

The Force USA G12 includes built-in storage for your barbells, weight plates, and cable attachments so you can keep your training space tidy and safe. Hooks on the reverse of the swivel exercise chart.

A suspension trainer attachment ring is included on the frame.  this attachment ring allows you to take suspension trainers and conveniently attach them to the frame and ramp up your workout with some serious core, rotational and suspension work 

Extremely heavy gauge structured rolled steel tubing designed for full commercial use. Only the best grade steel is used in every component to ensure your Monster G9 is the highest quality and built to last.

Eco-friendly commercial grade powder coat followed by a clear coating. Durable and long-lasting protection.

Top of the line 6.2mm nylon coated mil-spec aircraft quality cables tested to 2000lbs! Steel alloy thimbles end in machine sealed clamps for the ultimate and safest workout!

Components of the Force USA Monster G12 are laser-cut to be precision perfect. Maximized structural integrity and easy assembly.

Train your whole body in one session. With so many possible training options you can perform Full Body Training in the most efficient and effective manner

Break up your training days to be focused on upper body or lower body. The Monster G6 lets you set up Split Training in second

Bodybuilding, toning and isolated body part training and sculpting training can be achieved completely and with more variety on the Force USA G9. The G9 provides options for the most focused isolation training.

Circuit training, Workout of the Day (WOD) variations, giant sets, drop sets, super-sets, power training, explosive training and endurance training can be performed all within one small floor space.

Never before have all of these options been possible within such a compact training space. An entire gym in one unit. The comprehensive home strength training solution.

American innovation and design. Superior quality; strength and stability. Make sure it’s Force USA. The trusted name in strength equipment.


The Monster G12 provides massive versatility in a compact space . A full commercial quality power rack, functional trainer Smith Machine with twin 99.5 kgs weight stacks and multiple attachments. . This commercial multi gym id ideal adding a single station footprint with 7 different strength training stations. The weight stack design means no additional weights need to be purchased and offer fast weight changes which enable partner and circuit training. Ideal for full commercial gyms, sports clubs, personal trainers, hotel gyms, school gyms and upmarket home gyms! The space-saving Monster G12 is ideal for the stronger lifers as it includes a weight stack with a 1:1 cable ratio.

An extensive number of handles and accessories help you constantly reengineer your workouts and your clients workouts. 


  • Strength
  • Power
  • Bodybuilding
  • Muscular endurance
  • Glycolytic efficiency
  • Concentric or eccentric (Negative) training
  • Compound or isolation
  • Plyometric
  • Slow twitch or fast twitch fibres training


Assembled Dimensions W/D/H 200 cm (6 feet, 7 inches) 134 cm (4 feet 5 inches) 223 cm (7 feet 7 inches). 


  • 1:1- with 100lbs loaded, resistance is 100lbs


  • Smith 360 kgs
  • Front Safety 450 kgs
  • J-Hooks 450 kgs
  • Cables = 909kgs (2,000 lbs)


  • 35 Exercise Chart,
  • Multi Grip Chin Bar
  • Leg Press
  • Core Trainer/ Landmine
  • Knee Support for Lat Pulldown
  • Multi Grip Dip Handles
  • Suspension Belt Stirrup
  • 2 D- Handles and Section Chains
  • Lat Pulldown Bar
  • Double ended Functional Training Handle 
  • Short Straight Row Bar
  • Tricep Rope
  • T-Bar for Core Trainer
  • 6 Weight Plate Holders (Standard and Olympic)
  • Olympic Lock Collars
  • 6 Storage Hooks for Accessories
  • J-Hooks with Polymer Barbell Protection
  • Front Safety Spotter Arms


Please note that the finishes and designs of the accessories are updated from time to time. This means that the accessory that you see in various videos may not be identical to the accessory that you receive. Changes are normally a result of improvements or upgrades based on customer feedback. 

Please note that these units do not come with weight plates or Olympic bars as these are optional extras. Force USA G series Functional Trainer machines can take either standard weight plates with a 25mm diameter hold or Olympic weight plates with a 50mm hole. 

The standard Olympic bar that we suggest is the 7 foot Olympic bar. Rubber coated weight plates and bumper plates are preferred however you can also use hammertone or metal finish Olympic weight plates. 

Please add the weight plates or bars as optional add ons or simply take a look at our Functional Trainer packages here

Condition New
Brand Force USA, Monster G Series All-In-One Trainer
Size Assembled (LxWxH) W/D/H 202 cm by 150 cm by 223 cm or 230cm with monkey chin bar. Add 65 cm depth to use with bench. Internal working area: 123cm.
Size Boxed (LxWxH) 2 Large Wooden Crates. Crate 1: 227cm by 93cm by 40 cm by 258kgs. Crate 2: 70cm by 56cm by 24cm by 180kgs. Kerbside or Unpacked in van and brought into room of choice via a "2 man service"..
Minimum Ceiling Height 230cm (7 feet, 5.5 inches) to Chin under the bar. To chin above the bar 260cm (8 feet, 5.3 inches). The monkey ladder chin bar is 7cm higher than the pulleys.
Minimum Room Width 223 cm absolute minimum, to allow loading of the Smith bar, 193 cm plus 15 cm each side
Minimum Room Length 150 cm for the G12 plus cater for another 50 cm for standing back from the power rack or for moving an adjustable bench within the frame.
Product Weight 438kgs
Bolt Holes Yes
Weight Stacks Dual 90.5 KG /221lb Weight stack total (181kg/ 400lb), Band Attachments to Increase Resistance. 19 by 4.5 kgs plates + 1 5kg plate
Frame Extremely heavy gauge structured rolled steel tubing
Protective Coating Eco-friendly premium commercial grade powder coat followed by a durable clear coating with anti-rust protection
Warranty 30 Days peace of mind, Lifetime Frame, Unbeaten 6 Year Pulley and Cables, 1 Year Other Moving Parts, 90 Days Upholstery, Labour 12 months.
Resistance Free Weight (Smith and Power Rack) and Weight Stack (DAP/ Functional Trainer)
Expansion Ready No need, Everything Included
Power Rack Yes, Westside hole spaces, 40 + 10, Polymer Coated J-Hook & Safety Capacity 450kgs
Smith Machine Counterbalanced commercial Smith Machine & commercial grade guide rails with a capacity of 350 kgs. Commercial Knurling. Olympic and Standard Sleeves
Functional Trainer Yes, Pulley ratio 1:1, 46 positions, pop pin adjustment
Chin Bar Ergonomically designed multi-Grip chin up / Pull Up station with a massive 350kg weight rating. Rubberised Handles, Chrome ends
Chest Press Yes, with Functional Trainer, Smith Machine / Power Rack and Optional Bench
Rowing Yes, Base Pulley with Functional Trainer
Leg Curls Optional with Force USA MyRack FID Bench
Leg Extensions Optional with Force USA MyRack FID Bench
Lat Pulldown Yes, with Functional Trainer and Includes Lat Pulldown Bar and Knee Holder
Core Trainer Yes, Included as well as Multi Grip T Bar Handle
Leg Press Yes, Now Included, Quick and easy Pop on, Pop off design, Chequer plate
Band Pegs No
Dip Attachment Yes, Now Includes a Multi Grip Dip Bar
Stability Bar No
J-Hooks Commercial grade J-Hooks, Capacity of 450 kgs
Safety Arms Yes, Commercial Grade, Capacity of 450 kgs
Olympic Weight Plate Set Optional, See Smith Machine Packages
Installation Optional, please see website pricing
Additional Accessories Included Lat Pulldown Bar, Nylon Single Handles, Tricep Rope, Short Bar, Shiver Bar (Tricep Push), Long Functional Double Ended Bar, Extension Chain, Core Trainer, Leg Press Plate, Multi Grip Chin Bar, Lat Pulldown Knee Lock, Dip Bar, J-Hooks, Front Safeties, Barbell Row Handle
  • How Does Delivery and Installation Work?

    Free Delivery Over £250
    If you have an order over £250 then you will qualify for a free delivery. If you order is less than £250 then call us and lets see if we can help you spend a bit more.

    How Long Does it Take?
    Small Products : 3 - 5 working days from the date of the payment clearing in our bank account for UK mainland.

    Multi Gyms and Racks:      4 to 6 Days

    Monster G6, G9 and G12:   7 to 8 days. Please see below.

    Sometimes our couriers are really fast and you may receive the delivery earlier. The courier will make contact with you prior to delivery

    Large and Heavy
    As you would expect from a high quality piece of heavy duty strength gym equipment, the boxes can be large and heavy. This surprises some people. Please don’t be surprised, you are getting the real Force USA equipment. Please note the following.

    Monster G6: Total weight of just under 500 kgs split between 2 crates. 

    Monster G9: Total weight of 250 kgs in 1 crate. 

    Monster G12: Total weight of 450 kgs split over 2 crates

    You can’t lift these on your own. In most regions this will be a kerbside delivery. In some regions the driver will help you unpack the box and bring the parts into a room of choice for you. Where the driver can’t help you we suggest unpacking the box as it arrives and carrying the components in to your gym or house.

    Did your order an Installation?
    In some regions there may be And option to choose to have your machine professionally assembled and installed.

    Please note that we engage with third-party installation companies and are reliant on their availability.  we therefore cannot guarantee any particular day or date for an installation service.

    if available,  an installation company will only finalise your installation booking after you have confirmed that you are happy with your delivery. Lead time around 7 to 14 days after delivery. This timing is very seasonal. 

    Please ensure that all of your parts have arrived and are available for the installation company. You can check these off against the installation booklet that is included in the box.

    Should you be missing parts then please make immediate contact with us so that we can send you the missing spares. The installation company will only come out once and if the parts are not available they won’t be able to complete the job. 

    Please see below for some of our YouTube videos below for more information on the G Series and installations. 

    What the G6 and G12 look like when they are delivered.

    Assembly of G12 Highlights

    Measurements of the G12

    Assembly of the G6 Highlights

    Measurements of G6

    Measurements of the G9

    What are the differences between the force USA Monster G6 in the Force USA monster G12?

    Full Cub Grade Commercial Quality

    The Force USA Monster G12 is a full club grade commercial machine as opposed to the G6 which is a commercial quality machine. This means that the G12 is built to withstand many multiple workouts per day or 8 to 10 hours usage per day.


    1 to 1 Cable Ratio

    The Monster G12 offers a 1 to 1 cable ratio which means that for every kilogram loaded up you will be lifting a kilogram. This also means that you will be able to load more working resistance with the G12 then you would be able to with the Monster G6. This is ideal for commercial gyms where members demand heavier weights. This is also ideal for the stronger lifter.

    The G6 offers a 2:1 ratio meaning for every kg loaded up you will be lifting half a kg. The cables however are longer allowing you more space to use the functional trainer a sport specific machine.


    Counterbalanced Smith Machine

    The Monster G12 offers a counterbalanced Smith Machine. This means that the resting weight of the bar is 0kgs as opposed to the G6 with a resting weight of around 20kgs.



    The G12 is slightly larger and has a bigger frame.

    G6: 130 cm (L) x 193 (W) x 234 cm (H) Weight 495 kgs 

    G12: 135cm (L) x 200cm (W) x 223cm (H) Weight 438 kgs

    What are the main differences between the Old Force USA monster G6 and the new force USA monster G6b?

    • Exercise charts Previously not available

    • leg press attachment  previously an additional cost of over £100

    • Dip attachment  previously and additional cost of over £100

    • Knee holder for lat pull Downs previously an additional cost of over £40

    • Functional Trainer Bat handle for sports specific or single handed training previously not available .

    • Abdominal belt previously not available

      What are the differences between the Monster G9 and the Monster G12?

      A lot of customers have been asking for the differences between these two very similar Force USA machines.

      Both of these machines are full commercial quality and have an almost identical framework.  Here are some questions that can help you decide which of the machines would be perfect for your application.

      1. What is your budget?  if it is below £3000, then the G9 is your machine.

      2. Are you restricted in terms of floor area?.  The G12 has a smaller footprint because you don't need to access the machine from behind.  The G9 has the weight shuttle towards the back of the machine and you need some space in order to access this.

      3. Do you want to have multiple simultaneous users? The G12 offers two independent weight stacks working from Independent cables which means you can have  two simultaneous users on each side performing completely different exercises. The G9 has a single cable system were both sides of the functional trainer attached to the same cable shuttle.  This results in a very smooth action but means that you cannot use two simultaneous users. 

      4. Do you want as many accessories as possible? The G12  offers an additional short bar, shiver bar and extension chains over and above the accessories offered for the G9. 

      5. Do you want to perform low pulley rowing?  The G9 has a central low pulley rowing point where is the G12 does not.

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