Key Features
Big Storage VolumeThe Festool 204850 Systainer3 XXL 237 gives you 42.3 liters of usable storage, so larger tools, accessories, and small parts can stay in one organized case instead of getting split across multiple boxes. Stacks Into the SystemThe T-LOC interface lets this storage case open, close, and connect in one motion. That matters when you are moving from van to jobsite and want one stack instead of loose cases. Built to Carry WeightWith an 88.18 lb load capacity and a recessed grip with pull-out aid, this Systainer is set up for real transport, not just shelf storage.
Overview
Festool 204850 Systainer3 XXL 237 is a large modular storage case for pros who need more room than a standard tool box gives them. This is a storage case designed for transporting and organizing tools, accessories, consumables, and jobsite equipment. Model Number: 204850. If you are trying to keep bigger tools and loose gear together without giving up stackability, this is the one built for that job.
The big reason to look at this case is space. The outer size is 31.18 x 11.65 x 9.33 inches, and the inside gives you 30.94 x 10.98 x 7.40 inches of usable room with a total volume of 42.3 liters. That makes it a good fit for larger power tools, hand tools, fittings, and bulk accessories that do not sit well in a shallow organizer. Festool also notes this version comes without a tool insert, so you get open storage instead of a fixed layout.
What makes the Systainer platform useful on the job is not just the box itself, but how it moves with the rest of your setup. The established T-LOC operating element allows the Festool 204850 Systainer3 XXL 237 to be opened, closed, and connected in one movement. In practical terms, that means less fumbling when you are unloading a van, setting up in a customer’s space, or restacking gear at the end of the day.
This XXL Systainer is built around system compatibility. It connects to other Systainer3 cases, Systainer T-LOC products, and the cart or roll board. That matters if you already run Festool storage and want one larger base case for bulky gear while keeping smaller boxes stacked above it. Instead of carrying separate containers, you can build one organized mobile stack.
Festool also designed this case for real transport. The recessed grip and pull-out aid make it easier to lift, pull from a stack, and carry through a site. The case weighs 8.02 lbs empty, supports up to 88.18 lbs of payload, and can handle 176.37 lbs when connected in a stack. The lid load rating is 220.46 lbs, which tells you this is not a flimsy plastic tote meant only for light-duty storage.
For jobsite practicality, this storage box is meant to keep contents protected and clearly organized. Festool calls out protection against dust, spray water, and temperature changes, and the integrated latch helps secure the contents. There is also an inscription field in cheque card format with a cover for the label field, which is a small detail that matters once you have more than one case in the truck or shop.
The people who get the most out of this kind of tool storage are contractors, remodelers, installers, finish carpenters, service techs, and serious DIY users who move equipment often and want a cleaner system. If you already use Systainers, this one fills the gap for oversized storage. If you do not, it is still a strong standalone equipment case, but the real value shows up when you use it as part of a stack.
Move More Gear in One Trip
If your setup usually means multiple trips from the van, this is where the XXL format earns its keep. It gives you a larger base case for bulkier gear while still stacking into the rest of the Festool storage system.
- Connects with Systainer3 and Systainer T-LOC cases
- Works with the cart or roll board for mobile transport
- 176.37 lb connected load capacity supports stacked use
Carry a Larger Case Without Fighting It
A large tool case only helps if it is still manageable once loaded. Festool built in a recessed grip and pull-out aid so the case is easier to lift, pull from a stack, and carry through doorways, hallways, and finished spaces.
- Empty weight is 8.02 lbs
- 88.18 lb load capacity for tools and accessories
- Integrated latch helps keep contents secure during transport
Extra Room for Oversized Storage Jobs
Some gear just does not fit well in standard cases. This Systainer is built for those bigger storage jobs where you need open space more than molded inserts or small compartments.
- 42.3 l volume for larger tools, accessories, and consumables
- Inner dimensions: 30.94 x 10.98 x 7.40 in
- Ships without a tool insert, so you get full open storage
Easier to Haul Through Tight Access
Large storage is useful, but access matters too. This case is made to move from vehicle to stairwell to active work area without turning into an awkward tote full of loose gear.
- Recessed grip helps with one-person handling
- Label field makes stacked cases easier to identify fast
- Lid load rating of 220.46 lbs points to a robust build
What’s in the Box
- (1) Festool Systainer3 XXL 237
- (1) Cover for label field
Tool insert not included.
Key Specifications
| Weight | 8.02 lbs (3.64 kg) |
|---|---|
| Overall Dimensions | 31.18 x 11.65 x 9.33 in (792 x 296 x 237 mm) |
| Inner Dimensions | 30.94 x 10.98 x 7.40 in (786 x 279 x 188 mm) |
| Volume | 11.17 gal (42.3 l) |
| Load Capacity | 88.18 lbs (40 kg) |
| Load Capacity Connected | 176.37 lbs (80 kg) |
| Lid Load | 220.46 lbs (100 kg) |
| Made In | Germany |
Compatibility
Systainer Platform Connects with all Festool Systainer3 products. T-LOC Cases Also connects with Festool Systainer T-LOC products. Transport Base Works with the Festool cart or roll board for mobile stacked transport.
Built For
ConstructionGeneral ContractingRemodelingFinish CarpentryElectricalHVACService WorkMobile Tool Storage
Pro Tip
If you are loading this case with heavier gear, use the XXL case as the base of your Systainer stack and put your most-used smaller cases on top. It keeps the load more stable on a roll board and makes daily grab items easier to reach.
Warranty & Support
3 Years Limited warranty.
Tool Nut’s Take
Tool Nut’s Take
Festool 204850 Systainer3 XXL 237 is the one you buy when standard cases are too small
This is a smart buy for anyone already running Festool storage and needing one larger case that still locks into the system instead of becoming the odd box that rides loose in the truck.
- Who it’s for: Contractors, installers, service pros, and organized DIY users carrying larger tools or bulky accessory loads.
- Why it stands out: You get real storage volume, solid load ratings, and full Systainer3 and T-LOC compatibility in one case.
- Worth knowing: It ships without a tool insert, which is great if you want open space, but not ideal if you expected a molded organizer layout.
Common Questions
- Does this connect to other Festool Systainers? Yes. It connects to other Systainer3 products and to Systainer T-LOC products.
- Can it be used on a cart or roll board? Yes. Festool states the SYS3 XXL 237 works with the cart or roll board for transport.
- How much weight can it carry? The case has an 88.18 lb load capacity, a 176.37 lb connected load capacity, and a 220.46 lb lid load rating.
- Is this a molded insert case? No. This version is supplied without a tool insert, so the interior is open for flexible storage.
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