PTO chipperWoodMaxx
MX-9900
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.
John Deere · COMPACT TRACTOR ATTACHMENTS
The John Deere 4075R is the top of the 4 Series: 74.3 gross hp and 60 PTO hp in both the brochure and the May 2026 order book. That is 10 over the 50-PTO-hp caps of Woodland Mills WC68 and TMG’s TFM60 and TFMS50, 5 under WoodMaxx FM-78’s 65, and enough for the 50+ hp full-capacity lines on WoodMaxx’s 8-inch chippers.
By Acreage Equipment · Reviewed November 9, 2026 · Specification research, not a field test

PTO WOOD CHIPPERS FOR THE 4075R
7 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 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″ maximum chip diameter, inches · 20 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 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 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.
1 more possible option in the full comparison table — see all.
FLAIL MOWERS FOR THE 4075R
9 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 · Hammer blades only
Resolve the conflicting published specifications for the exact model revision.
Flail mowerWoodMaxx
70″ cutting width, inches · 30–65 PTO hp · Hammer blades only
Confirm rear remotes, hydraulic flow and pressure requirements.
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 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 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 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.
3 more possible options in the full comparison table — see all.
U.S. 4075R · eHydro 3-range HST · 4WD · cab · independent 540 PTO
Current U.S. John Deere 4075R (order code 039ALV) with the eHydro three-range hydrostatic transmission, from the 5 May 2026 order book, the 4 Series brochure and the public specification component. Operating weight 4,828 (cab) lb in the brochure. PowrReverser versions are not profiled separately.
The brochure and order book list 74.3 engine hp; the public specification component lists 75 hp SAE J1995.
74.3 is used; the component figure is rounded.
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
At 60 PTO hp, the 4075R is 10 over Woodland Mills WC68’s 50-hp ceiling and meets the 50+ hp lines WoodMaxx ties to full capacity on its WM-8M, WM-8H, MX-8800 and MX-9900. Wallenstein BX72S (50–85 engine hp) is inside by 10.7 under its ceiling. Woodland Mills WC88 is inside its 35-hp minimum and exactly at its 60-hp full-feed line.
Read the guide →FIELD GUIDEAt 60 PTO hp, the 4075R is 5 under the 65-PTO-hp ceilings of WoodMaxx FM-78 and Farmer-Helper FH-EFGC155 and inside Land Pride’s 80-hp FM25 range. TMG’s TFM60 and TFMS50 manuals cap tractor power at 50 PTO hp, 10 under, and the 45-hp mowers are out.
Read the guide →