Wallenstein BX72S 7-inch PTO Woodchipper Review (2026)
7-inch gravity-feed PTO chipper with a 28-inch rotor and 175 lb flywheel mass — Wallenstein's utility-tractor pick for heavier property work.
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- 175 lb rotor sustains feed rate on seasoned hardwood
- 5-year warranty
- Rectangular 7 × 12 in infeed accepts forked limbs without hang-up
- Discharge chute folds for transport
- Gravity feed — no hydraulic option in the BX-S series at this capacity
- Requires Cat I or Cat II with 50+ PTO HP — overshoots most compact tractors
- Price is ~$1,500 above the Woodmaxx WM-8H 8-inch hydraulic
BX72S vs Woodmaxx WM-8H: is gravity-feed worth $3,700 more?
On paper this comparison is rough on the Wallenstein. The WM-8H is $4,095 with hydraulic infeed, 8-inch chipping capacity, and a 3-year warranty. The BX72S is roughly $7,840 list with gravity feed, 7-inch capacity, and a 5-year warranty. Same general tractor class (the WM-8H wants 30-80 HP, the BX72S 50-85 HP), but the Woodmaxx gives you more capacity, hydraulic pull-in, and saves you almost the price of a second chipper.
Gravity-feed is genuinely simpler. There is no hydraulic pump, no feed roller, no electronic forward/reverse/auto-feed control, and nothing that can stall or jam the infeed. You drop a clean limb on the hopper lip and the flywheel knives grab it. For an operator who chips mostly straight, branch-free limbs in short sessions on a clean lot, that simplicity is a real advantage. Fewer moving parts means fewer wear items and fewer roadside repairs in year ten.
The honest answer: the BX72S is worth the premium only if you specifically do not want a hydraulic infeed. That is a smaller group than dealers will admit. If you chip storm cleanup, brushy multi-stem material, or anything with side branches still attached, hydraulic feed is faster and less frustrating, and the WM-8H will out-work the BX72S despite its lower price. If you chip clean utility-line trimmings or orchard prunings and value a long-lived chassis over throughput, the Wallenstein earns its keep.
The 50-85 HP utility-tractor fit
The BX72S is sized for the meaty middle of the compact-utility and utility-tractor market: roughly 50-85 PTO HP, Cat I or II 3-point, 540 or 1000 RPM PTO. That is a Kubota MX, John Deere 5E, New Holland Workmaster 55-75, or Massey 1800/2800 series. Below 50 HP you will bog the 175 lb flywheel on hardwood; above 85 HP you are overspending on a chipper that will not use the extra power.
At 728 lb on the 3-point, the BX72S is heavy for its capacity class, and that is by design. A tractor in this HP range has the rear lift and ballast to carry it without drama, and the mass helps damp vibration when you feed knotty material. Owners moving up from a smaller 5-inch chipper notice the BX72S sits quieter and feeds more consistently because it is not getting shoved around by the wood.
Wallenstein chassis design and the 5-year warranty
Wallenstein is built in Ontario by EMB Manufacturing, and the BX72S is the model their reputation rests on. The frame is heavier than competitors in the 7-8 inch class, weld quality is consistently called out in owner reports, paint and powder coating hold up to outdoor storage, and the 360-degree rotating discharge chute with adjustable deflector is genuinely useful when you are filling a trailer or piling chips around a yard.
The 5-year warranty is the longest in the PTO chipper segment among the brands we cover. Woodmaxx WM-Series is 3 years, Woodland Mills is 3 years on the WC-Series, and most other brands sit at 1-2. The Woodmaxx MX-Series at 7 years is the only longer warranty in the category — but that's only on Woodmaxx MX models, not WM. The BX72S warranty is a real reason to choose it if you are buying a chipper to keep for 15 years. Just understand that you are paying for the chassis and the coverage, not for feature parity with hydraulic chippers.
What's in the box
- BX72S chipper unit
- PTO shaft with shear pin (540 RPM)
- Blade set (2 knives, installed)
- 3-point hitch pins (Cat I / Cat II)
- Assembly hardware
- Discharge chute with 360-degree rotation
- Folding hopper (installed)
- Operator manual
- Tractor (50–85 HP with 540 RPM PTO)
- Quick-hitch adapter
- Ear protection and safety glasses
Sold through Wallenstein dealers. Requires Cat I or Cat II 3-point hitch with adequate lift capacity for 728 lb. Folding discharge chute standard for transport clearance.
Wallenstein BX72S 7-inch PTO Woodchipper specs at a glance
- Brand
- Wallenstein
- Model
- BX72S
- Power type
- pto
- Max branch diameter
- 7"
- Power
- PTO-driven, 50–85 HP tractor
- Feed system
- Mechanical self-feeding
- Flywheel weight
- 175 lb
- Weight
- 728 lb
- Price (MSRP)
- $7,840
- Warranty
- 5 years
Will the BX72S fit my tractor?
The Wallenstein BX72S 7-inch PTO Woodchipper needs 50–85 PTO HP. Here’s how 26 common compact and utility tractors match up — rated PTO HP, not engine HP (after typical 10–15% drivetrain losses).
| 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 |
“Fits” = within the manufacturer’s rated PTO HP range. “At limit” = below the minimum by 5–15%, will feel underpowered on seasoned hardwood. “Too small” = undersized for reliable chipping. “Oversized” = above range (works but overkill).
Who should buy the BX72S — and who should skip it
- You want the longest non-Woodmaxx-MX warranty in the segment (5 years) and a chassis built to outlive it
- You chip clean limbs, utility-line trimmings, or orchard prunings where gravity-feed throughput is fine
- You run a 50-85 HP utility tractor with rear lift to carry 728 lb on the 3-point comfortably
- You specifically do not want hydraulic infeed complexity (no pump, no feed roller, no electronics)
- You value North American manufacturing and a strong dealer network for parts and service
- You plan to keep the chipper 15+ years and the long-term build quality math works for you
- Build quality, paint durability, and weld consistency matter to you as much as feature sheet
- Your budget tops out near $4,500 — the Woodmaxx WM-8H gives you more capacity and hydraulic feed for $3,700 less
- You chip storm cleanup or messy multi-stem brush regularly — hydraulic infeed will save you hours of trimming
- You need 8-inch capacity — the BX72S caps at 7 inches and the WM-8H or MX-8800 cost less per inch of capacity
- Your tractor is under 50 PTO HP — the BX72S will bog and you should look at the BX52S or a hydraulic 6-inch
- You want the cheapest reliable 7-inch class chipper — the Wallenstein premium does not pencil out for occasional users
Alternatives to the BX72S
$2,690 less. 5-inch capacity (2 inch smaller).
$3,050 less. 6-inch capacity (1 inch smaller). 7-year warranty. from Woodmaxx.
$1,615 less. 8-inch capacity (1 inch larger). adds hydraulic feed. 7-year warranty. from Woodmaxx.
BX72Saccessories & add-ons
Set of 2 replacement chipper knives for the BX72S. Order through your Wallenstein dealer.
PTO shaft shear pins. Heavier-duty than BX36S/BX52S pins.
Cat I / Cat II quick-hitch adapter for fast 3-point hookup.
Heavy-duty PTO shaft rated for the 50–85 HP tractor range.
BX72S — frequently asked questions
- Is the BX72S really gravity-feed only? No hydraulic option?
- Correct. The BX72S is purely gravity self-feed. The flywheel knives grab the wood and pull it through. If you want hydraulic infeed in the Wallenstein lineup you have to step up to skidsteer-mount BXH models. If hydraulic feed matters to you and budget is tight, the Woodmaxx WM-8H is the obvious cross-shop.
- What size tractor do I need?
- 50 to 85 PTO HP, Cat I or II 3-point, with 540 or 1000 RPM PTO. The BX72S is happiest in the 60-75 HP range on hardwood. Below 50 HP you will stall the flywheel on full 7-inch hardwood; above 85 HP you are not getting your money's worth and the WM-8H at lower cost will do the same work.
- How does the 175 lb flywheel compare to competitors?
- It is solidly mid-pack for a 7-inch class chipper. Heavier than the Woodland Mills WC68 flywheel, lighter than the Woodmaxx WM-8H. Flywheel mass matters most on knotty hardwood: more inertia means the rotor recovers RPM faster between strokes and the engine bogs less. The 28-inch rotor diameter on the BX72S is generous for its capacity class, which helps.
- Is the 5-year warranty actually meaningful?
- Yes. It is the longest consumer warranty in the brands we cover except the Woodmaxx MX-Series (7-year). Wallenstein has a long track record of honoring it through dealers. If you are buying a chipper to use occasionally over 15+ years, the warranty plus the chassis quality genuinely justifies a meaningful chunk of the price premium.
- Can I chip storm cleanup and brushy material with gravity feed?
- You can, but slower and with more trimming. Gravity-feed chippers want clean limbs with side branches knocked off. A hydraulic infeed will swallow a multi-stem brush pile that the BX72S will fight you on. If most of your chipping is storm cleanup or messy multi-stem material, the WM-8H is a better tool for the money.
- Where is it made and who builds it?
- Built in Ontario, Canada by EMB Manufacturing, the parent of the Wallenstein brand. EMB has been making wood-handling equipment since the 1970s and the BX series is their flagship line. Parts availability and dealer network in North America are strong.
- BX72S vs woodland mills wc68 — which should I buy?
- See our head-to-head comparison for the detailed breakdown. In short: the BX72S at $7,840 offers 7-inch capacity with mechanical self- feed. The right pick depends on your tractor HP, branch size, and whether you need hydraulic feed for forked material.
- BX72S vs woodmaxx wm-8h — which should I buy?
- See our head-to-head comparison for the detailed breakdown. In short: the BX72S at $7,840 offers 7-inch capacity with mechanical self- feed. The right pick depends on your tractor HP, branch size, and whether you need hydraulic feed for forked material.
- How much HP do I need to run the BX72S?
- The BX72S needs 50–85 PTO HP. That's PTO horsepower (roughly 85–90% of engine HP). A 57 HP engine tractor produces about 50 PTO HP. Comfortable range: 63–77 PTO HP.
- What warranty does the BX72S come with?
- Wallenstein covers the BX72S with a 5-year warranty. Covers manufacturing defects; excludes wearing parts and cosmetic damage.
- What can the BX72S actually chip in real-world use?
- Rated for 7-inch branches. In practice, green softwood chips reliably at rated max. Seasoned hardwood at 7 inches slows the feed rate and bogs the flywheel on knots — comfortable working capacity on hardwood is 5.5–6.5 inches. The mechanical feed handles straight material well but can stall on forked branches.
- Is the BX72S worth buying?
- At $7,840, the BX72S is the premium/commercial tier — justified only for high-volume use or buyers who need max capacity. The 5-year warranty provides strong long-term protection.