The Kubota M4-071 and M4D-071 share 60 PTO hp, 72.1 gross hp (73.2 net on the M4 sheet) and a 3,307-lb lift on a Category I/II hitch. At 60 PTO hp they are 10 over TMG’s 50-PTO-hp manual caps and Woodland Mills WC68’s ceiling, and 5 under WoodMaxx FM-78’s 65.
60PTO hp72.1engine hp1 & 2hitch category3,307lb lift at 24 in.
By Acreage Equipment · Reviewed November 9, 2026 · Specification research, not a field test
Manufacturer photo · Kubota
PTO WOOD CHIPPERS FOR THE M4-071 / M4D-071
Chippers that fit the M4-071 / M4D-071.
7 of 19 pto wood chippers 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.
7″ max. chip diameter · 50–85 engine hp · official U.S. page
12F/12R synchronized, hydraulic shuttle: Possible — confirm details12F/12R synchronized, hydraulic shuttle: Possible — confirm details
Confirm the actual hitch category, required bushings and complete mounting arrangement; multiple listed categories do not establish quick-hitch compatibility.
9″ maximum chip diameter, inches · 25 PTO hp minimum; maximum not stated
12F/12R synchronized, hydraulic shuttle: Possible — confirm details12F/12R synchronized, hydraulic shuttle: Possible — confirm details
Confirm the actual hitch category, required bushings and complete mounting arrangement; multiple listed categories do not establish quick-hitch compatibility.
8″ maximum chip diameter, inches · 20 PTO hp minimum; maximum not stated
12F/12R synchronized, hydraulic shuttle: Possible — confirm details12F/12R synchronized, hydraulic shuttle: Possible — confirm details
Confirm the actual hitch category, required bushings and complete mounting arrangement; multiple listed categories do not establish quick-hitch compatibility.
8″ maximum branch diameter, inches · 35–100+ PTO hp
12F/12R synchronized, hydraulic shuttle: Possible — confirm details12F/12R synchronized, hydraulic shuttle: Possible — confirm details
Confirm the actual hitch category, required bushings and complete mounting arrangement; multiple listed categories do not establish quick-hitch compatibility.
8″ max. chip diameter · 19 PTO hp minimum; maximum not stated
12F/12R synchronized, hydraulic shuttle: Possible — confirm details12F/12R synchronized, hydraulic shuttle: Possible — confirm details
Confirm the actual hitch category, required bushings and complete mounting arrangement; multiple listed categories do not establish quick-hitch compatibility.
8″ max. chip diameter · 19 PTO hp minimum; maximum not stated
12F/12R synchronized, hydraulic shuttle: Possible — confirm details12F/12R synchronized, hydraulic shuttle: Possible — confirm details
Confirm the actual hitch category, required bushings and complete mounting arrangement; multiple listed categories do not establish quick-hitch compatibility.
9 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.
70″ cutting width, inches · 30–65 PTO hp · Hammer blades only
12F/12R synchronized, hydraulic shuttle: Possible — confirm details12F/12R synchronized, hydraulic shuttle: Possible — confirm details
Confirm the actual hitch category, required bushings and complete mounting arrangement; multiple listed categories do not establish quick-hitch compatibility.
70″ cutting width, inches · 30–65 PTO hp · Hammer blades only
12F/12R synchronized, hydraulic shuttle: Possible — confirm details12F/12R synchronized, hydraulic shuttle: Possible — confirm details
Confirm the actual hitch category, required bushings and complete mounting arrangement; multiple listed categories do not establish quick-hitch compatibility.
70″ cutting width, inches · 30–65 PTO hp · Y-blades only
12F/12R synchronized, hydraulic shuttle: Possible — confirm details12F/12R synchronized, hydraulic shuttle: Possible — confirm details
Confirm the actual hitch category, required bushings and complete mounting arrangement; multiple listed categories do not establish quick-hitch compatibility.
12F/12R synchronized, hydraulic shuttle: Possible — confirm details12F/12R synchronized, hydraulic shuttle: Possible — confirm details
Confirm the actual hitch category, required bushings and complete mounting arrangement; multiple listed categories do not establish quick-hitch compatibility.
12F/12R synchronized, hydraulic shuttle: Possible — confirm details12F/12R synchronized, hydraulic shuttle: Possible — confirm details
Confirm the actual hitch category, required bushings and complete mounting arrangement; multiple listed categories do not establish quick-hitch compatibility.
60″ cutting width, inches · 25–65 PTO hp on current page; linked-manual basis/limit conflicts
12F/12R synchronized, hydraulic shuttle: Possible — confirm details12F/12R synchronized, hydraulic shuttle: Possible — confirm details
Confirm the actual hitch category, required bushings and complete mounting arrangement; multiple listed categories do not establish quick-hitch compatibility.
Scope of this guideU.S. M4-071HDC12 · 12F/12R synchronized, hydraulic shuttle · 4WD · cab / U.S. M4D-071HDC12 · 12F/12R synchronized, hydraulic shuttle · 4WD · cab. Each configuration below states the model and equipment covered by its sources.
Pick attachments rated past 60 PTO hp or 73 engine hp: WoodMaxx FM-78 and 8-inch chippers, Land Pride FM25, Farmer-Helper FH-EFGC155, Wallenstein BX72S and Woodland Mills WC88.
Catalog: 72.1 gross hp; M4 sheet: 73.2 engine net hp. Both list 60 PTO hp.
Current U.S. Kubota M4-071 4WD with Ultra Grand Cab II, from the 2026 catalog and M4 specification sheet. Live-independent PTO; about 6,000 lb tractor weight. No ROPS model is profiled.
Engine power
72.1 hp · 72.1 hp gross (SAE J1995) in the 2026 catalog; 73.2 hp “Engine Net Power” in the M4 sheet. It is not PTO power.
Rear hitch
Category I / II, telescopic lower link ends
Lift at 24 inches
3,307 lb · 3,307 lb (1,500 kg) lift capacity at 24 in. behind the lift point (ASAE) in the M4 specification sheet.
Lift at link ends
Not confirmed in reviewed sources
Hydraulics
16.7 gpm three-point hitch pump capacity in the M4 sheet. Rear remote outlet flow is not published.
Pressure
Not published in the reviewed specification sheet.
Current U.S. Kubota M4D-071 4WD with Ultra Grand Cab II, from the 2026 catalog and M4 specification sheet. Live-independent PTO; about 6,000 lb tractor weight. No ROPS model is profiled.
Engine power
72.1 hp · 72.1 hp gross (SAE J1995) in the 2026 catalog; 73.2 hp “Engine Net Power” in the M4 sheet. It is not PTO power.
Rear hitch
Category I / II, telescopic lower link ends
Lift at 24 inches
3,307 lb · 3,307 lb (1,500 kg) lift capacity at 24 in. behind the lift point (ASAE) in the M4 specification sheet.
Lift at link ends
Not confirmed in reviewed sources
Hydraulics
16.7 gpm three-point hitch pump capacity in the M4 sheet. Rear remote outlet flow is not published.
Pressure
Not published in the reviewed specification sheet.