Kubota M5-091 · FLAIL MOWERS
Land Pride rates FM2572 and FM2584 to 80 hp without a basis; the Kubota M5-091 is 4 under on its 76 PTO hp but 12.5 over on its 92.5 gross hp. Blue Diamond’s heavy-duty 403740 (75–100 hp) fits on both figures.
By Acreage Equipment · Reviewed November 14, 2026 · Specification research, not a field test
PUT THIS GUIDE TO WORK
See published mismatches and the checks still needed.
BEST MATCHES FOR THE M5-091
4 of 23 flail mowers we track pass the published power, hitch and speed screen. Each still has a detail to confirm with the seller.
Flail mowerBlue Diamond
87″ cutting width · 75–100 HP recommended (basis not stated) · spec sheet and manual
Ask the manufacturer whether the horsepower range means engine or PTO power.
Flail mowerLand Pride
84″ cutting width · 49–80 tractor hp · engine/PTO basis unspecified
Ask the manufacturer whether the horsepower range means engine or PTO power.
Flail mowerLand Pride
72″ cutting width · 42–80 tractor hp · engine/PTO basis unspecified
Ask the manufacturer whether the horsepower range means engine or PTO power.
Flail mowerFarmry
87″ cutting width · 30–85 HP (basis not stated) · official page and manual
Ask the manufacturer whether the horsepower range means engine or PTO power.
THE DECISION IN NUMBERS
Tractor reference: Kubota M5-091, January 2026 catalog; Category II; 77.2–78.3 in. wide; 4,630 lb at 24 in. (8-speed).
Scroll the table sideways on smaller screens.
| Mower | Published requirement | On 76 PTO / 92.5 engine hp | Result |
|---|---|---|---|
| Blue Diamond 403740 (87-inch) | 75–100 hp, basis unspecified; Category I and II | Inside on both (76 PTO / 92.5 engine) | Fits |
| Land Pride FM2584 | 49–80 hp, basis unspecified; Category 1 and 2 | 4 under on PTO; 12.5 over on engine | Ask Land Pride |
| Land Pride FM2572 | 42–80 hp, basis unspecified; Category 1 and 2 | 4 under on PTO; 12.5 over on engine | Ask Land Pride |
| Farmry HFS87 | 30–85 hp, basis unspecified; Category I/II; 87-in. cut | PTO inside; engine 7.5 over | Ask Farmry which hp it means |
| WoodMaxx FM-78 / FM-78H / FM-78 Y | 30–65 PTO hp; Category 1 and 2 | 11 over | Excluded |
| Farmer-Helper FH-EFGC155 / 125 | To 65 PTO hp (page); Category 1 | Over and hitch mismatch | Excluded |
| Other mowers here except HFS87 | To 60 hp or less | Over | Excluded |
Land Pride’s FM25 tables give a tractor horsepower range with no basis. This site does not exclude a mower when one tractor figure is inside the range, so FM2572 and FM2584 stay. If Land Pride means engine hp, the M5-091 is over both.
Blue Diamond rates its heavy-duty 87-inch 403740 at 75–100 hp without saying engine or PTO, lists Category I and II, and ships it with 18 inches of hydraulic side shift. The M5-091 is inside on both its 76 PTO and 92.5 gross hp, and the 87-inch cut covers the 77.2- to 78.3-inch tractor. It weighs 1,763 lb before the PTO shaft and needs a double-acting rear remote for the side shift.
Kubota lists the M5-091 at 77.2 to 78.3 inches wide. FM2584’s 84-inch cut covers that width; FM2572’s 72-inch cut leaves the wheel tracks outside unless offset. The comparison below sets the two side by side.
Kubota lists a Category II hitch with telescopic lower link ends. Category 1-only attachments such as Woodland Mills WC88 and Land Pride FM2560 would need bushings or a quick hitch approved in writing; this site screens them out.
Kubota’s 2026 catalog lists 4,630 lb 24 inches behind the lift point on the 8-speed M5 and 6,063 lb on the 12- and 24-speed tractors. Every attachment here weighs a fraction of either, so power and hitch decide the fit, not lift.
Farmry rates the HFS87 at 30–85 hp without saying whether that is PTO or engine power, lists Category I and II, cuts 87 inches and weighs 1,299 lb with the shaft. Its 76 PTO hp is inside, but its 92.5 engine hp is 7.5 over 85, so the answer depends on which figure Farmry means; ask before buying. Its published lift at 24 inches, 4,630 lb, carries that weight with 3,331 lb to spare; check front ballast all the same. Farmry rates the gearbox at only 50 hp, below this tractor’s 76 PTO hp; ask Farmry how hard it can be driven. The 87-inch cut is 3 inches wider than Land Pride’s FM2584. Farmry’s page listed it at $4,499 on November 14, 2026.
THE SCREEN, WITH ITS LIMITS VISIBLE
No pairing below is manufacturer-confirmed. “Preliminary” still requires implement limits, load center, ballast, hitch geometry and shaft checks.
Initial specification screen only. Scroll the table on small screens. Read the product page for every remaining check.
| Attachment | U.S. M5-091 · F8/R8, F12/R12 electro-hydraulic shuttle · open station or cab76 PTO hp |
|---|---|
| Farmry LFS45 →355 lb · Net weight WITH PTO shaft, current LFS manual Rev 1.7 p18 | Published mismatchBoth engine (92.5) and PTO (76) horsepower exceed the published 35 hp maximum. |
| Farmry LFS53 →395 lb · Net weight WITH PTO shaft, current LFS manual Rev 1.7 p18 | Published mismatchBoth engine (92.5) and PTO (76) horsepower exceed the published 35 hp maximum. |
| Farmry LFS61 →421 lb · Net weight WITH PTO shaft, current LFS manual Rev 1.7 p18 | Published mismatchBoth engine (92.5) and PTO (76) horsepower exceed the published 35 hp maximum. |
| TMG Industrial TMG-TFM60 →650 lb · Product-page operation weight; manual gives conflicting 270 kg (about 595 lb) | Published mismatchBoth engine (92.5) and PTO (76) horsepower exceed the published 60 hp maximum. |
| Farmry LFP47 →464 lb · 464 lb including PTO shaft on the product page; current Rev 1.3 manual lists 210 kg / 463.7 lb. Shipping weight is a separate 671 lb. | Published mismatchBoth engine (92.5) and PTO (76) horsepower exceed the published 45 hp maximum. |
| TMG Industrial TFMS50 →660 lb · Product-page operation weight: 660 lb. Manual structure weight: 300 kg (about 661 lb); shaft and fluid inclusion are not explicit. Shipping weight: 770 lb. | Published mismatchBoth engine (92.5) and PTO (76) horsepower exceed the published 60 hp maximum. |
| WoodMaxx FM-54 · Y-blades →408 lb · Current 2025-and-newer manual p40 lists 408 lb product weight without stating shaft inclusion. Page instead says 410 lb mower-only plus a 39 lb shaft. Do not treat 408 lb as a verified complete operating assembly; confirm delivered Y-blade weight. Shipping page figure is 500 lb. | Published mismatch76 PTO hp exceeds the published 25 hp range. |
| WoodMaxx FM-62H · Hammer blades →860 lb · Current 2025-and-newer manual, printed p40 / PDF p41: 860 lb product weight; shaft/oil/packaging inclusion is unstated. Page instead lists 716 lb mower-only plus a 39 lb shaft. Shipping is separately labeled 860 lb. Do not treat the manual number as verified complete operating weight; confirm delivered hammer assembly. | Published mismatch76 PTO hp exceeds the published 45 hp range. |
| WoodMaxx FM-78H · Hammer blades →968 lb · Current 2025-and-newer manual, printed p40 / PDF p41: 968 lb product weight; shaft/oil/packaging inclusion is unstated. Page instead lists 804 lb mower-only plus a 39 lb shaft. Shipping is separately labeled 1000 lb. Do not treat the manual number as verified complete operating weight; confirm delivered hammer assembly. | Published mismatch76 PTO hp exceeds the published 65 hp range. |
| WoodMaxx FM-62 · Hammer blades →774 lb · Current 2025-and-newer manual printed p40 / PDF p41 lists 774 lb product weight without shaft/oil/packaging inclusion. Page lists 641 lb mower-only plus a 39 lb shaft; shipping is separately labeled 800 lb. Retain these distinct bases and confirm complete operating weight for the delivered hammer assembly. | Published mismatch76 PTO hp exceeds the published 45 hp range. |
| WoodMaxx FM-78 · Hammer blades →880 lb · Current 2025-and-newer manual printed p40 / PDF p41 lists 880 lb product weight without shaft/oil/packaging inclusion. Page lists 710 lb mower-only plus a 39 lb shaft; shipping is separately labeled 900 lb. Retain these distinct bases and confirm complete operating weight for the delivered hammer assembly. | Published mismatch76 PTO hp exceeds the published 65 hp range. |
| Farmer-Helper FH-EFGC125 · Hammer blades →Operating weight unconfirmed · Complete operating weight is unverified. Current page: 576 lb “Weight” and 624 lb “Crated Weight.” Linked Rev 12-12-17 manual p23: 600 lb “Weight” and 635 lb crated. Product-weight shaft/oil/assembly inclusions are unstated. Keep these separate; do not use crate weight or silently choose one product figure as an operating load. | Published mismatch76 PTO hp exceeds the published 65 hp range. |
| Farmer-Helper FH-EFGC155 · Hammer blades →Operating weight unconfirmed · Complete operating weight is unverified. Current page: 741 lb “Weight” and 789 lb “Crated Weight.” Linked Rev 12-12-17 manual p23: 720 lb “Weight” and 755 lb crated. Product-weight shaft/oil/assembly inclusions are unstated. Keep these separate; do not use crate weight or silently choose one product figure as an operating load. | Published mismatch76 PTO hp exceeds the published 65 hp range. |
| WoodMaxx FM-62 · Y-blades →Operating weight unconfirmed · Complete Y-configuration operating weight is unverified. Current manual p40 gives 774 lb generic product weight without shaft/oil or blade-specific inclusion. Page gives 641 lb mower-only plus 39 lb shaft and separately 800 lb shipping. These bases conflict or lack scope; none substitutes for an assembled Y operating load. | Published mismatch76 PTO hp exceeds the published 45 hp range. |
| WoodMaxx FM-78 · Y-blades →Operating weight unconfirmed · Complete Y-configuration operating weight is unverified. Current manual p40 gives 880 lb generic product weight without shaft/oil or blade-specific inclusion. Page gives 710 lb mower-only plus 39 lb shaft and separately 900 lb shipping. These bases conflict or lack scope; none substitutes for an assembled Y operating load. | Published mismatch76 PTO hp exceeds the published 65 hp range. |
| Land Pride FM2560 · hammer rotor →Operating weight unconfirmed · Manual p39 specifies 965 lb for the standard unit with a duckfoot rotor; the brochure lists 929 lb without a rotor/inclusion basis. The separate hammer-rotor assembly is 222 lb. No complete hammer operating mass or shipping mass is established. Do not add the rotor to an already rotor-inclusive unit weight or substitute these references for the operating load. | Published mismatchThe attachment’s listed hitch categories do not overlap the tractor’s documented Category 2 interface. |
| Land Pride FM2572 · hammer rotor →Operating weight unconfirmed · Manual p39 specifies 1,040 lb for the standard unit with a duckfoot rotor; the brochure lists 1,040 lb without a rotor/inclusion basis. The separate hammer-rotor assembly is 261 lb. No complete hammer operating mass or shipping mass is established. Do not add the rotor to an already rotor-inclusive unit weight or substitute these references for the operating load. | Needs specification reviewAsk the manufacturer whether the horsepower range means engine or PTO power. |
| Land Pride FM2584 · hammer rotor →Operating weight unconfirmed · Manual p39 specifies 1,236 lb for the standard unit with a duckfoot rotor; the brochure lists 1,168 lb without a rotor/inclusion basis. The separate hammer-rotor assembly is 301 lb. No complete hammer operating mass or shipping mass is established. Do not add the rotor to an already rotor-inclusive unit weight or substitute these references for the operating load. | Needs specification reviewAsk the manufacturer whether the horsepower range means engine or PTO power. |
| Blue Diamond Heavy Duty 403740 →1763 lb · 1,763 lb (800 kg) in the Aug-2025 spec sheet (without PTO) and the Feb-2026 manual p49. Add the PTO shaft for the operating load. | Needs specification reviewAsk the manufacturer whether the horsepower range means engine or PTO power. |
| Farmry HFS87 →1299 lb · 1,299 lb (589 kg) including PTO shaft on the product page and in the HFS manual Rev 1.6, printed p17. | Needs specification reviewAsk the manufacturer whether the horsepower range means engine or PTO power. |
| Farmer-Helper FH-EF95 →330 lb · 330 lb retained, the heavier of the product page (325 lb) and the FH-EF manual p13 (330 lb); crated 360 lb. Neither says whether the included PTO shaft is counted. | Published mismatch76 PTO hp exceeds the published 45 hp range. |
| Farmer-Helper FH-EF105 →347 lb · 347 lb retained, the heavier of the product page (342 lb) and the FH-EF manual p13 (347 lb); crated 377 lb. Neither says whether the included PTO shaft is counted. | Published mismatch76 PTO hp exceeds the published 45 hp range. |
| Farmer-Helper FH-EF125 →390 lb · 390 lb retained, the heavier of the product page (390 lb) and the FH-EF manual p13 (383 lb); crated 438 lb. Neither says whether the included PTO shaft is counted. | Published mismatch76 PTO hp exceeds the published 45 hp range. |
Should a Category I/II tractor use the 72-inch or 84-inch hammer FM25?
Read the guide →FIELD GUIDETake the complete setup, not just a horsepower number, to the manufacturer.
Read the guide →FOLLOW THE NUMBERS
Research record reviewed November 14, 2026. Confirm the current manual and the exact revision supplied with your machine.