Fleetguard · HF Hydraulic · inline line
HF6023 filter element: specifications & equivalents
The HF6023 is a Fleetguard inline-line hydraulic filter element, sized 85.85 × 203.2 mm OD × length. Verify against the current manufacturer data sheet before ordering.
Envelope OD × L 85.85 × 203.2 mm
Line type inline
Catalog verified. Parameters extracted from the manufacturer’s electronic
catalog / official interchange document and checked 2026-09-28. Confidence score 0.90.
Specifications and cross-references are taken from the Fleetguard online catalog API. Where both TWA and Beta ratings are published the conventions differ — verify cleanliness targets, collapse rating and seal configuration against the current Fleetguard data sheet before ordering.
Specification table
| Parameter | Value |
|---|---|
| Filter type | inline line |
| Outside diameter OD | 85.85 mm |
| Length | 203.2 mm |
| End caps | open-ended cartridge element |
| Integral bypass valve | none (housing/valve-dependent) |
| Manufacturer part no. | HF6023 |
| Source catalog | Cummins Filtration / Fleetguard: Fleetguard online product catalog (fleetguard.com) |
| Last verified | 2026-09-28 |
Sources: Cummins Filtration / Fleetguard — Fleetguard online product catalog (fleetguard.com) — accessed 2026-09-28.
Fleetguard® and all model designations are trademarks of their respective owners, used here for identification only — ElementRef is an independent reference site, not an authorized Fleetguard distributor.
Dimensions & series range
| Outside diameter | 85.85 mm (3.380 in) |
| Overall length | 203.2 mm (8.000 in) |
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
|
↔ 1054 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 1054 as an interchange for HF6023. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 139428 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 139428 as an interchange for HF6023. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 25012545 page in verification queue | UFI | partial | Fleetguard's online catalog lists 25012545 as an interchange for HF6023. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 3I1595 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 3I1595 as an interchange for HF6023. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 439 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 439 as an interchange for HF6023. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 51054 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 51054 as an interchange for HF6023. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 85054 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 85054 as an interchange for HF6023. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 92054 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 92054 as an interchange for HF6023. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 94225 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 94225 as an interchange for HF6023. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ AH76668 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists AH76668 as an interchange for HF6023. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ CH6640 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists CH6640 as an interchange for HF6023. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HF0602300 page in verification queue | Fleetguard | partial | Fleetguard's online catalog lists HF0602300 as an interchange for HF6023. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HF898 page in verification queue | Fleetguard | partial | Fleetguard's online catalog lists HF898 as an interchange for HF6023. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ L629 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists L629 as an interchange for HF6023. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ LFH4203 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists LFH4203 as an interchange for HF6023. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ P550136 page in verification queue | Donaldson | partial | Fleetguard's online catalog lists P550136 as an interchange for HF6023. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ P779519 page in verification queue | Donaldson | partial | Fleetguard's online catalog lists P779519 as an interchange for HF6023. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ PF1115 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists PF1115 as an interchange for HF6023. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ PT522 | Baldwin Filters | partial | Fleetguard's online catalog lists PT522 as an interchange for HF6023. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ PT522 | Baldwin Filters | partial | Baldwin's Form 561 Number-Finder cross-reference lists HF6023 (FLEETGUARD) as replaced by Baldwin PT522. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SH56073 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists SH56073 as an interchange for HF6023. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ WGH6023 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists WGH6023 as an interchange for HF6023. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
Interchange levels: full catalog-confirmed drop-in · partial verify parameters · verify manual confirmation required. Links resolve to the equivalent model's specification page where available.
How the HF6023 model number is decoded
- HF6023Fleetguard HF-series hydraulic cartridge element part number.
- 203.2 mmOverall height.
- 85.85 mmLargest outside diameter.
Typical equipment & applications
- Construction, agricultural and industrial hydraulic circuits
- Mobile-equipment hydraulic return and pressure lines
Selection pitfalls — read before you substitute
- “10 µm nominal” and “12 µm at β1000” can describe the very same media — one is reported at β≥200, the other at β≥1000 per ISO 16889. Compare ratings at the same Beta test point, not just the printed micron number.
- Nitrile (NBR) seals are standard for mineral hydraulic oil but fail early in some phosphate-ester fluids and at sustained high temperature; verify seal compound against the fluid data sheet (fluorocarbon/Viton executions may be required).
- End-cap geometry and the number/position of O-rings block interchange even when OD and length match — visually compare end caps before fitting, especially with aftermarket cartridges.
Frequently asked questions
What are the dimensions of the HF6023 filter element?
The published envelope is 85.85 mm OD × 203.2 mm length (3.380 × 8.000 in). Confirm against the housing drawing before ordering.
What replaces the HF6023 filter element?
22 partial match(es) requiring parameter review
How do I read the HF6023 part number?
See the designation decoder above: each segment of HF6023 encodes size, line type, filtration grade and media/collapse execution.
Is a same-envelope aftermarket element always a drop-in replacement?
No. Matching OD and length only proves the cartridge fits the bowl. End-cap style, seal compound, micron/Beta rating, collapse pressure and bypass configuration must also match; the table above tags every equivalent as full, partial or verify for exactly this reason.
How often should a hydraulic return-line element be replaced?
Replace at the housing manufacturer’s recommended differential-pressure setting (commonly signalled by a clogging indicator), or on a time-based service interval when no indicator is fitted — never wait for bypass to open continuously, because unfiltered oil then reaches the valves.
Other models in the HF Hydraulic series
All 2621 →Reviewed & verified by the ElementRef engineering desk against Cummins Filtration / Fleetguard on 2026-09-28. Read our editorial & correction policy.