PTO chipperWoodland Mills
WC68
6″ max. chip diameter · 20–50 PTO hp
Confirm implement weight limits, center of gravity, front ballast and stability in your tractor manual.
Case IH · COMPACT TRACTOR ATTACHMENTS
The Case IH Farmall 55A has 57 engine hp, 49.3 PTO hp (mechanical) or 46.4 (servo-hydrostatic) and 2,310 lb of lift at 24 inches. The mechanical version is 0.7 under TMG’s 50-PTO-hp manual cap and 4.3 over the 45-hp ceilings that rule out FM-62, LFP47 and the Farmer-Helper and Farmry chippers.
By Acreage Equipment · Reviewed November 9, 2026 · Specification research, not a field test

PTO WOOD CHIPPERS FOR THE FARMALL 55A
8 of 19 pto wood chippers we track pass the published power, hitch and speed screen on at least one configuration. “Specs line up” cards come first.
PTO chipperWoodland Mills
6″ max. chip diameter · 20–50 PTO hp
Confirm implement weight limits, center of gravity, front ballast and stability in your tractor manual.
PTO chipperWallenstein
7″ max. chip diameter · 50–85 engine hp · official U.S. page
Confirm the correct attachment and driveline configuration for the tractor’s PTO speed; listed speed options are discrete settings.
PTO chipperWoodland Mills
8″ maximum branch diameter, inches · 35–100+ PTO hp
Resolve the conflicting published specifications for the exact model revision.
PTO chipperWoodMaxx
9″ maximum chip diameter, inches · 25 PTO hp minimum; maximum not stated
Confirm the complete operating weight; a shipping weight cannot establish the attachment load.
PTO chipperWoodMaxx
8″ max. chip diameter · 19 PTO hp minimum; maximum not stated
Resolve the conflicting published specifications for the exact model revision.
PTO chipperWallenstein
7″ max. chip diameter · 45–85 engine hp · current U.S. page (manual table: 50–85 hp for the BX72R)
Confirm the correct attachment and driveline configuration for the tractor’s PTO speed; listed speed options are discrete settings.
2 more possible options in the full comparison table — see all.
FLAIL MOWERS FOR THE FARMALL 55A
11 of 23 flail mowers we track pass the published power, hitch and speed screen on at least one configuration. Each still has a detail to confirm with the seller.
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 mowerWoodMaxx
70″ cutting width, inches · 30–65 PTO hp · Hammer blades only
Resolve the conflicting published specifications for the exact model revision.
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 mowerFarmer-Helper
60″ cutting width, inches · 25–65 PTO hp on current page; linked-manual basis/limit conflicts
Confirm the complete operating weight; a shipping weight cannot establish the attachment load.
Flail mowerTMG Industrial
60″ cutting width · 30–60 hp · basis unclear
Ask the manufacturer whether the horsepower range means engine or PTO power.
Flail mowerTMG Industrial
49″ working cut, inches · 30–60 hp · basis unclear
Ask the manufacturer whether the horsepower range means engine or PTO power.
5 more possible options in the full comparison table — see all.
U.S. Farmall 55A · 12x12 mechanical shuttle with synchro shift · MFD · ROPS · independent PTO
Current U.S. Case IH Farmall 55A (non-cab, MFD) from the Case IH specification sheet and the current model page. 3,015 lb.
U.S. Farmall 55A · 3-range servo-hydrostatic · MFD · ROPS · independent PTO
Current U.S. Case IH Farmall 55A (non-cab, MFD) from the Case IH specification sheet and the current model page. 3,037 lb.
FOLLOW THE NUMBERS
Research record reviewed November 9, 2026. Confirm the current manual and the exact revision supplied with your machine.
FROM YOUR TRACTOR TO THE JOB
The Farmall 55A’s 49.3 (mechanical) and 46.4 (servo-hydrostatic) PTO hp are over the 45-hp ceilings of the Farmer-Helper and Farmry chippers. Its 57-hp engine is over Wallenstein BX52S’s 55. Woodland Mills WC68 (to 50) and WC88, WoodMaxx’s chippers and Wallenstein BX72S fit.
Read the guide →FIELD GUIDETMG’s manual caps TFM60 and TFMS50 at 50 PTO hp; the mechanical 55A has 49.3 and the servo-hydrostatic 46.4. WoodMaxx FM-78, Farmer-Helper FH-EFGC and all three Land Pride FM25 widths fit too. WoodMaxx FM-62 and Farmry LFP47 stop at 45.
Read the guide →