Description
FallTech 8143 is a non-belted full body safety harness with 1 D-ring (back), tongue buckle legs and quick-connect chest in FallTech's FT-Iron series. FallTech describes it: "The FT-Iron is built for the demands of ironwork—no compromises, no shortcuts. Designed specifically for the unique challenges of the trade, it delivers unmatched mobility with patented Comfort Legs and breathable padding that holds up through long shifts. A slip-resistant D-ring plate and upgraded lanyard keepers keep your gear secure and out of your way—so you can move with confidence, stay protected, and get the job done without distraction." Published figures: ANSI user capacity 130-310 lb; OSHA user capacity 130-425 lb; static strength 3,600 lb minimum. Standards FallTech names: ANSI Z359.11-2021, OSHA 1926.502, OSHA 1910.140, CSA Z259.10-2018. Sizes XS, S/M, L/XL and 2XL/3XL. Sold by the piece; FallTech ships one to a carton. Part numbers 8143XS, 8143SM, 8143LXL, 81432X3X. Part of the FallTech FT-Iron series. Ships in 1–2 business days; most orders arrive in 3–7 business days.
FallTech 8143 specifications
| Item | FallTech data |
|---|---|
| Part numbers | 8143XS, 8143SM, 8143LXL, 81432X3X |
| Series | FT-Iron |
| Product type | Harnesses |
| FallTech title | FT-Iron 1D Standard Non-Belted Full Body Harness Tongue Buckle Leg Adjustment |
| FallTech product type | Non-Belted Full Body Harness |
| FallTech descriptor | 1 D-Ring: Dorsal |
| FallTech descriptor | Tongue Buckle Leg Adjustment |
| Static Strength | 3,600 lb min. |
| ANSI User Capacity | 130 to 310 lb max. |
| OSHA User Capacity | 130 to 425 lb max. |
| Webbing | Polyester; 5,000 lb min. static strength |
| D-rings | Aluminum alloy; 5,000 lb min. static strength |
| Buckles and Adjusters | Aluminum alloy and plated alloy steel; 3,372 lb min. static strength |
| Application | Fall Arrest, 1D |
| Configuration | Non-Belted |
| Leg type | Comfort Legs |
| D-ring locations | Dorsal |
| Buckles and adjusters | Tongue Buckle Legs and Quick-connect Chest |
| Webbing material | Polyester |
| Hardware material | Aluminum Alloy and Plated Alloy Steel |
| Sizes | XS, S/M, L/XL, 2XL/3XL |
| Size by part number | 8143XS XS; 8143SM S/M; 8143LXL L/XL; 81432X3X 2XL/3XL |
| Weight | 3.7 lb (FallTech Jan 1 2026 list price book) |
| Carton quantity | 1 per carton (FallTech Jan 1 2026 list price book); sold by the piece |
| UPC | 8143XS 848013065032; 8143SM 848013078117; 8143LXL 848013021489; 81432X3X 848013044440 |
| Country of origin | United States (FallTech product data, code 840) |
Source: FallTech product page https://www.falltech.com/product/8143/, fetched Nov 8 2026; FallTech Jan 1 2026 list price book (weight, carton quantity, UPC).
Ratings and standards
| Standard or rating | As published by FallTech |
|---|---|
| ANSI/ASSP Z359.11, safety requirements for full body harnesses, 2021 edition | Named by FallTech (falltech.com page; declaration of conformity B0425184 (4/25/2023)). |
| OSHA 29 CFR 1926.502, fall protection systems criteria and practices (construction) | Named by FallTech (falltech.com page). |
| OSHA 29 CFR 1910.140, personal fall protection systems (general industry) | Named by FallTech (falltech.com page). |
| CSA Z259.10, full body harnesses, 2018 edition | Named by FallTech (falltech.com page; declaration of conformity BC1013166b (10/13/2021)). |
| User capacity | ANSI 130-310 lb; OSHA 130-425 lb, as FallTech publishes it (the ANSI figure is the ANSI/ASSP Z359 test range; the OSHA figure is FallTech's rating under 29 CFR 1926.502). |
| Static strength | 3,600 lb minimum, as FallTech publishes it. |
Source: FallTech product page https://www.falltech.com/product/8143/, fetched Nov 8 2026; FallTech declarations of conformity linked under Documents. Ratings are as published by the manufacturer or the named standard, not a recommendation for any task; the end user decides suitability.
Documents
- Instruction Manual: FallTech instruction manual MFBH04 Rev E 050525 EN ES FR (PDF, 88 pages)
- Declaration of Conformity (ANSI): FallTech declaration of conformity B0425184 DOC (PDF, 4 pages)
- Declaration of Conformity (CSA): FallTech declaration of conformity BC1013166b DOC (PDF, 3 pages)
- Sell Sheet: FallTech sell sheet FT-Iron One Page 042025 (PDF)
- Brochure: FallTech brochure FT-Iron Brochure 112021 (PDF, 13 pages)
- Sizing Chart: FallTech sizing chart FallTech Harness Sizing Chart Men 2026 (PDF)
- Comfort Legs Fitment Guide: FallTech sizing chart Comfort Legs Fitment Guide 111220 (PDF)
Source: FallTech product page document links, fetched Nov 8 2026. Each link opens the FallTech PDF.
Features
- Reinforced sub-pelvic strap features durable wear pad for extended product service life
- ArrowGrip dorsal D-ring plate and new slip-resistant connectors minimize slippage for maximum comfort and minimal adjustment throughout the day
- Minimalistic back pad design for maximum comfort
- Updated SRL connection point allows for fast, hassle-free attachment of all types of single and twin SRLs
- Durable lanyard keeper design improves versatility and reusability while maintaining ANSI compliance
- Quick-connect chest buckle features visual indicator showing positive connection
- Tongue buckle legs are uniquely equipped with 9 grommeted adjustment positions for a wider range of fit
- Comfort Legs lateral leg strap construction greatly improves mobility and comfort
- Includes fully adjustable suspension trauma relief system
- Meets ANSI Z359.11-2021
Source: FallTech feature list for 8143 on its product page, fetched Nov 8 2026.
FallTech 8143 family
| Part number | Size | Chest | Waist | Thigh | UPC | Per carton | On our site |
|---|---|---|---|---|---|---|---|
| 8143XS | XS | 32–49 in | 30–39 in | 16–28 in | 848013065032 | 1 | this page |
| 8143SM | S/M | 43–53 in | 34–47 in | 18–30 in | 848013078117 | 1 | this page |
| 8143LXL | L/XL | 45–58 in | 42–55 in | 22–34 in | 848013021489 | 1 | this page |
| 81432X3X | 2XL/3XL | 51–63 in | 50–66 in | 26–38 in | 848013044440 | 1 | this page |
Similar FallTech items
| Part number | Item | On our site |
|---|---|---|
| 8141 | FT-Iron 1D Standard Non-Belted Full Body Harness, Quick Connect Buckle Leg Adjustments | its own page |
| 7080B | Advanced ComforTech Gel 1D Standard Non-belted Full Body Harness, Tongue Buckle Leg Adjustment | its own page |
| 7021B | — | not on our site |
Source: FallTech product page https://www.falltech.com/product/8143/, fetched Nov 8 2026; FallTech Jan 1 2026 list price book (UPC, carton quantity); chest, waist and thigh ranges from the FallTech Harness Sizing Chart Men 2026 (thigh column for tongue buckle legs).
FallTech 8143 questions
What standard must the FallTech 8143 full body harness meet? ANSI/ASSP Z359.11, safety requirements for full body harnesses, 2021 edition, OSHA 29 CFR 1926.502, fall protection systems criteria and practices (construction), OSHA 29 CFR 1910.140, personal fall protection systems (general industry), CSA Z259.10, full body harnesses, 2018 edition. Ratings are as published by FallTech; the end user decides suitability for the task.
Is the FallTech 8143 a fall arrest harness or a fall restraint harness? Fall Arrest, 1D, as FallTech files its application. The D-ring table above lists the attachment points it carries.
How much weight can the FallTech 8143 harness hold? ANSI 130-310 lb; OSHA 130-425 lb, as FallTech publishes it. The ANSI figure is the ANSI/ASSP Z359 test range; the OSHA figure is FallTech's rating under 29 CFR 1926.502 for a worker with tools.
What sizes does the FallTech 8143 safety harness come in? XS, S/M, L/XL and 2XL/3XL. The size code follows the part number; chest, waist and thigh ranges for each size are in the family table from the FallTech Harness Sizing Chart Men 2026.
How do you put on the FallTech 8143 harness? FallTech's instruction manual, linked under Documents, gives the donning and adjustment steps for the 8143; our guide on how to put on a harness covers the same steps and the fit check.
What buckles does the FallTech 8143 have? Tongue Buckle Legs and Quick-Connect Chest, as FallTech lists it.
Guides: OSHA harness requirements · harness weight capacity and sizing · how to put on a harness · what each D-ring is for · harness inspection · steel erection fall protection · every fall protection item by type and standard.
Manufacturer item number: 8143 (the size code follows the part number on each piece). Documents: Instruction Manual, Declaration of Conformity (ANSI), Declaration of Conformity (CSA), Brochure.
