Fleetguard · HF Hydraulic · inline line
HF29040 filter element: specifications & equivalents
The HF29040 is a Fleetguard inline-line hydraulic filter element, built with cellulose media, sized 63.5 × 149.5 mm OD × length (ID 31 mm), rated at 50 µm absolute (50 µm at β75(c) per ISO 16889). Verify against the current manufacturer data sheet before ordering.
Envelope OD × L 63.5 × 149.5 mm
Inside diameter 31 mm
Filtration rating 50 µm abs.
Beta rating 50 µm at β75(c) per ISO 16889
Media Cellulose
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 |
| Media | Cellulose |
| Filtration rating | 50 µm |
| Rating basis | absolute |
| Beta ratio | 50 µm at β75(c) per ISO 16889 |
| Outside diameter OD | 63.5 mm |
| Inside diameter ID | 31 mm |
| Length | 149.5 mm |
| End caps | open-ended cartridge element |
| Rated flow | 42 L/min |
| Integral bypass valve | none (housing/valve-dependent) |
| Manufacturer part no. | HF29040 |
| 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 | 63.5 mm (2.500 in) |
| Inside diameter | 31 mm (1.220 in) |
| Overall length | 149.5 mm (5.886 in) |
All 64×150 mm interchange elements →
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
|
↔ 1535239 page in verification queue | UFI | partial | Fleetguard's online catalog lists 1535239 as an interchange for HF29040. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 22023120 page in verification queue | UFI | partial | Fleetguard's online catalog lists 22023120 as an interchange for HF29040. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 22038884 page in verification queue | UFI | partial | Fleetguard's online catalog lists 22038884 as an interchange for HF29040. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 7422023120 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 7422023120 as an interchange for HF29040. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ ALH16008 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists ALH16008 as an interchange for HF29040. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ E28HD289 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists E28HD289 as an interchange for HF29040. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ F026407284 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists F026407284 as an interchange for HF29040. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HU721WKIT page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists HU721WKIT as an interchange for HF29040. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ P954921 page in verification queue | Donaldson | partial | Fleetguard's online catalog lists P954921 as an interchange for HF29040. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SH62359 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists SH62359 as an interchange for HF29040. 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 HF29040 model number is decoded
- HF29040Fleetguard HF-series hydraulic cartridge element part number.
- 149.5 mmOverall height.
- 63.5 mmLargest outside diameter.
- 31 mmLargest end inside diameter.
- 50 µm at β75(c) per ISO 16889Published efficiency ratings.
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 HF29040 filter element?
The published envelope is 63.5 mm OD × 149.5 mm length with a 31 mm inside diameter (2.500 × 5.886 in × 1.220 in ID). Confirm against the housing drawing before ordering.
What micron rating does HF29040 use?
This element is rated 50 µm absolute — 50 µm at β75(c) per ISO 16889. Always compare Beta ratings at the same test point: two brands may print different micron numbers for the same physical grade.
What replaces the HF29040 filter element?
10 partial match(es) requiring parameter review
How do I read the HF29040 part number?
See the designation decoder above: each segment of HF29040 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.
Same-envelope elements from other brands
View full interchange →These 4 catalog element(s) share the 64×150 mm envelope. Envelope match alone does not guarantee interchangeability — compare micron/Beta, seals and collapse rating.
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.