Question 1

How much tractor HP do I need for the BX72S?

Accepted Answer

The Wallenstein BX72S 7-inch PTO Woodchipper is rated for 50–85 PTO HP. That's tractor PTO horsepower after drivetrain losses — rated engine HP is typically 10–15% higher. A 57 HP engine tractor produces roughly 50 PTO HP and would run this chipper at the minimum. The comfortable working range is 63–77 PTO HP.

Question 2

Does the BX72S fit a Category 1 three-point hitch?

Accepted Answer

Yes. The BX72S mounts to a standard Category 1 or 2 three-point hitch and accepts a 540 RPM rear PTO shaft (included). Quick hitch compatibility varies by brand — most John Deere iMatch and Pat's Easy Change hitches accept it with a standard top-link bushing.

Question 3

What's the maximum branch diameter the BX72S can chip?

Accepted Answer

The Wallenstein BX72S 7-inch PTO Woodchipper is rated for branches up to 7 inches in diameter. Green and softwood branches chip reliably at the rated maximum. Seasoned hardwood at the maximum slows the feed rate and bogs the flywheel more — plan for 6-inch hardwood as your comfortable working size.

Question 4

What's the warranty on the BX72S?

Accepted Answer

Wallenstein covers the BX72S with a 5-year warranty. It covers manufacturing defects but excludes wearing parts (blades, belts, bearings under normal wear) and cosmetic damage.

Question 5

Is the BX72S self-feeding?

Accepted Answer

Yes — the BX72S uses a gravity + mechanical self-feeding design. Infeed rollers are driven by the flywheel. Works well on clean straight branches; forked or crooked material can hang up on the rollers and need to be manually nudged through.

Question 6

How much does the BX72S weigh?

Accepted Answer

The Wallenstein BX72S 7-inch PTO Woodchipper weighs approximately 728 lb. Check your tractor's three-point hitch lift capacity before purchase — a Category 1 tractor typically lifts 1,200–1,800 lb at the hitch pins; Category 2 lifts 2,500+ lb.

Question 7

How often do the blades on the BX72S need sharpening?

Accepted Answer

For typical property use (20–40 hours per year), sharpen the BX72S's blades once per season. Heavy hardwood use cuts that to every 15–20 hours. A full replacement set runs roughly $80–$250 depending on blade count and material. See our woodchipper blade sharpening guide for the full process.

Tractor	Engine HP	PTO HP	Hitch	BX72S verdict
Kubota BX23S	22	15	Cat 1	Too small
Kubota LX2610	25	19	Cat 1	Too small
Kubota L2501	24	19	Cat 1	Too small
Kubota L3301	33	26	Cat 1	Too small
Kubota L3901	37	30	Cat 1	Too small
Kubota L4701	47	38	Cat 1	Too small
Kubota MX5400	55	45	Cat 2	At limit
Kubota M4-071	70	58	Cat 2	Fits
John Deere 1025R	24	18	Cat 1	Too small
John Deere 2025R	25	19	Cat 1	Too small
John Deere 3025E	24.7	19	Cat 1	Too small
John Deere 3032E	32	25	Cat 1	Too small
John Deere 3039R	38.2	30	Cat 1	Too small
John Deere 3046R	45.3	37	Cat 1	Too small
John Deere 4044M	43.1	35	Cat 1	Too small
John Deere 4066R	65.9	53	Cat 2	Fits
Mahindra 1533	33	26	Cat 1	Too small
Mahindra 2638 HST	37.4	29	Cat 1	Too small
Massey Ferguson 1735M	35	28	Cat 1	Too small
Massey Ferguson 2705E	49	40	Cat 2	Too small
New Holland WORKMASTER 25S	24.7	18	Cat 1	Too small
New Holland WORKMASTER 35	35	28	Cat 1	Too small
Kioti CK2620	24.5	20	Cat 1	Too small
Kioti NX4510	45	38	Cat 1	Too small
LS MT225S	24.4	18	Cat 1	Too small
LS MT342	41.3	32	Cat 1	Too small

Wallenstein BX72S 7-inch PTO Woodchipper Review (2026): 7-inch Self-Feeding PTO Woodchipper

Wallenstein BX72S 7-inch PTO Woodchipper specs at a glance

Will the BX72S fit my tractor?

Who should buy the BX72S — and who should skip it

BX72S — frequently asked questions