PTO chipperWoodland Mills
WC68
6″ max. chip diameter · 20–50 PTO hp
Confirm the conflicting tractor specifications in your serial-specific manual; official source values differ.
Yanmar · COMPACT TRACTOR ATTACHMENTS
The Yanmar YM238 has 38.2 gross hp and the YM2’s 1,609-lb lift at 24 inches. Yanmar’s 2025 brochure rates it 31.9 PTO hp; its current page prints 18.5, the YM225’s figure. On the brochure figure it is 1.9 over WoodMaxx FM-78’s 30-hp minimum and 1.9 over the 30-hp chipper ceilings.
By Acreage Equipment · Reviewed November 9, 2026 · Specification research, not a field test

PTO WOOD CHIPPERS FOR THE YM238
11 of 19 pto wood chippers we track pass the published power, hitch and speed screen. Each still has a detail to confirm with the seller.
PTO chipperWoodland Mills
6″ max. chip diameter · 20–50 PTO hp
Confirm the conflicting tractor specifications in your serial-specific manual; official source values differ.
PTO chipperWoodMaxx
8″ max. chip diameter · 19 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 chipperFarmry
5″ max. chip diameter · 15–45 engine hp
Confirm the conflicting tractor specifications in your serial-specific manual; official source values differ.
PTO chipperWallenstein
5″ max. chip diameter · 22–55 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 chipperWallenstein
5″ max. chip diameter · 30–55 engine hp · current U.S. page (manual table: 40–55 hp for the BX52R)
Confirm the correct attachment and driveline configuration for the tractor’s PTO speed; listed speed options are discrete settings.
5 more possible options in the full comparison table — see all.
FLAIL MOWERS FOR THE YM238
19 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 mowerWoodMaxx
70″ cutting width, inches · 30–65 PTO hp · Y-blades only
Confirm the complete operating weight; a shipping weight cannot establish the attachment load.
Flail mowerWoodMaxx
55″ cutting width, inches · 20–45 PTO hp · Y-blades only
Confirm the complete operating weight; a shipping weight cannot establish the attachment load.
Flail mowerWoodMaxx
70″ cutting width, inches · 30–65 PTO hp · Hammer blades only
Resolve the conflicting published specifications for the exact model revision.
Flail mowerWoodMaxx
55″ cutting width, inches · 24–45 PTO hp · Hammer blades only
Resolve the conflicting published specifications for the exact model revision.
Flail mowerFarmer-Helper
48″ cutting width, inches · 22–65 PTO hp on current page; linked-manual basis/limit conflicts
Confirm the complete operating weight; a shipping weight cannot establish the attachment load.
Flail mowerFarmry
61″ cutting width · 15–35 hp · basis unclear
Ask the manufacturer whether the horsepower range means engine or PTO power.
13 more possible options in the full comparison table — see all.
U.S. YM238 · synchronized reverser transmission · 4WD · ROPS · independent PTO
Current U.S. Yanmar YM238 from the March 2025 YM2 Series brochure and the current page. Rear PTO 540 rpm; 2,866 lb total weight.
The current YM238 page lists PTO Power 18.5 hp (13.8 kW), the YM225’s figure; the 2025 YM2 brochure lists 31.9 hp (23.8 kW) for the YM238.
31.9 PTO hp is recorded from the brochure; the page value appears copied from the YM225.
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
Woodland Mills rates WC46 and TFG55 to 30 PTO hp, and the Yanmar YM238’s brochure rating of 31.9 is 1.9 over, while WC88’s 35 is 3.1 out of reach. WC68, WoodMaxx’s four chippers, Farmry WCAP5, Farmer-Helper and Wallenstein BX52S fit.
Read the guide →FIELD GUIDEWoodMaxx rates its FM-78 family from 30 PTO hp, and the Yanmar YM238’s brochure rating of 31.9 clears that by 1.9 on a Category 1 hitch. FM-62, Farmer-Helper, Farmry LFP47 and TMG fit too; Farmry LFS and Land Pride FM2560 pass on one horsepower figure only.
Read the guide →