Original Prusa XL is listed in the Prusa Research 3D printer catalog. This page separates documented specifications from scoped compatibility rules, so an unlisted combination stays unverified.
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Before you rely on a result
A documented product or fit statement is only as specific as its source. Match the exact model, installed hotend, revision, and required adapter before acting.
Exact identification
Catalog ID: prusa-xl. Manufacturer: Prusa Research. Model or part number: Original Prusa XL.
Manufacturer-recorded specifications
Values below are only fields recorded from the linked manufacturer material. A missing value means the source set did not establish it; it does not imply zero or no limit.
| Specification | Documented value |
|---|---|
| Model code | Original Prusa XL |
| Filament diameter | 1.75 mm |
Model-specific notes
- Legacy model identity preserved separately; unverified numeric specifications are not copied from its successor.
Revision and installed hotend
No separate revision is recorded here. Check the label on your machine and the currently installed hotend before ordering.
Cataloged hotend family: Prusa Nextruder. This does not identify an aftermarket modification.
Documented relationships
Showing 21 of 21 linked rules. The checker can inspect an exact pair and source. A verified rule may still require its listed conditions.
| Related item | Source status | Fit axis | Conditions and exclusions |
|---|---|---|---|
| Brass Prusa Nextruder Nozzles — 0.25mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| Brass Prusa Nextruder Nozzles — 0.4mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| Brass Prusa Nextruder Nozzles — 0.6mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| Brass Prusa Nextruder Nozzles — 0.8mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| Brass High Flow Prusa Nextruder Nozzles — 0.4mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| Brass High Flow Prusa Nextruder Nozzles — 0.6mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| Brass High Flow Prusa Nextruder Nozzles — 0.8mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| ObXidian® Prusa Nextruder Nozzles — 0.4mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| ObXidian® Prusa Nextruder Nozzles — 0.6mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| ObXidian® High Flow Prusa Nextruder Nozzles — 0.4mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| ObXidian® High Flow Prusa Nextruder Nozzles — 0.6mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| ObXidian® High Flow Prusa Nextruder Nozzles — 0.8mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| Phaetus SiC Nextruder Nozzle for Prusa MK4 / XL / MK3.9 — 0.4mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| Phaetus SiC Nextruder Nozzle for Prusa MK4 / XL / MK3.9 — 0.6mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| Nextruder Hotend brass - 0.40 mm | CONDITIONAL | hotend to printer | Printer must use the Nextruder configuration, not an INDX conversion.; Follow the exact printer-specific installation instructions; heater/sensor wiring and firmware remain part of the required setup.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| Nextruder Hotend brass High Flow - 0.40 mm | CONDITIONAL | hotend to printer | Printer must use the Nextruder configuration, not an INDX conversion.; Follow the exact printer-specific installation instructions; heater/sensor wiring and firmware remain part of the required setup.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| HT Hotend Upgrade (for CORE One/+ and CORE One L/+) | INCOMPATIBLE | hotend to printer | Check source scope before installing. |
| Nextruder V6 Nozzle Adapter | CONDITIONAL | part to printer | Nextruder-equipped configuration only; follow the specified installation guide.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| Prusament PLA High Speed | CONDITIONAL | filament to printer | Use the manufacturer profile matching this exact printer, installed nozzle and material; observe drying, sheet and chamber requirements.; The material temperature range does not override the printer/hotend/bed limits. |
| Prusament PC Space Grade | CONDITIONAL | filament to printer | Use the manufacturer profile matching this exact printer, installed nozzle and material; observe drying, sheet and chamber requirements.; The material temperature range does not override the printer/hotend/bed limits. |
| Prusament PETG Ultraglow | CONDITIONAL | filament to printer | Use the manufacturer profile matching this exact printer, installed nozzle and material; observe drying, sheet and chamber requirements.; The material temperature range does not override the printer/hotend/bed limits. |
Manufacturer sources
Links document the stated identity, specifications, or scoped relations. They do not represent hands-on testing by this site.
- Prusa Research — 1.75 mm - Glossary | Prusa Knowledge Base checked 2026-10-30; global
- Prusa Research — Installing or changing the Nextruder V6 Nozzle Adapter | Prusa Knowledge Base checked 2026-10-30; global
- E3D — Brass Prusa Nextruder Nozzles checked 2026-10-30; global
- E3D — Brass High Flow Prusa Nextruder Nozzles checked 2026-10-30; global
- E3D — ObXidian® Prusa Nextruder Nozzles checked 2026-10-30; global
- E3D — ObXidian® High Flow Prusa Nextruder Nozzles checked 2026-10-30; global
- Phaetus — Phaetus SiC Nextruder Nozzle for Prusa MK4 / XL / MK3.9 checked 2026-10-30; global
- Prusa Research — Nextruder Hotend brass - 0.40 mm | Original Prusa 3D printers directly from Josef Prusa checked 2026-10-30; global
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