Woodland Mills WC46 4-inch Hydraulic-Feed PTO Woodchipper Review (2026)
4-inch hydraulic-feed PTO chipper sized for subcompact tractors — the cheapest hydraulic PTO chipper in our coverage.
Woodland Mills WC46 walkaround: 4.5-inch PTO chipper for sub-compact tractors
Manufacturer walkaround covering the WC46's single-flywheel drive, hydraulic infeed roller, and compact-tractor hitch geometry.
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- Hydraulic feed at the subcompact tractor HP class
- 8.25-inch self-contained hydraulic infeed roller
- Cheapest hydraulic-feed PTO chipper in 2026 at $3,220
- 4-inch ceiling — step up for thicker material
- 3-year warranty (was historically marketed as longer)
The 2026 WC46 is hydraulic feed — older forum threads are wrong
If you're reading TractorByNet or older Reddit threads, half the WC46 commentary describes a gravity self-feed unit. That was an earlier version. The current WC46 uses a 6-inch hydraulically driven infeed roller running off a self-contained hydraulic system, with adjustable speed, adjustable direction, and a reverse for backing out a stuck stem. The pump is belt-driven off the main flywheel shaft, so there's no draw on your tractor's hydraulics. That matters on a Kubota BX or JD 1025R, where the loader circuit is the only hydraulic capacity you have.
The practical difference is what happens when you feed a forked branch or a green leafy limb. A gravity-feed chipper at this size relies on the flywheel paddles to grab and pull the wood — fine for clean straight stems, frustrating for the gnarly stuff most homeowners actually clear. The WC46's roller pulls anything it can pinch and lets you walk away from the hopper while it eats. That's the entire reason to spend the money on this chipper instead of a gravity unit.
Subcompact tractor fit and the 15 HP minimum
Woodland Mills rates the WC46 for 15-30 HP at the PTO, which is the exact bracket for the Kubota BX-series (BX1880, BX2380, BX2680) and the John Deere 1025R. That's not marketing — the WC46 was designed in 2018 specifically because Woodland Mills didn't have a chipper that fit subcompacts. At 648 lb operating weight the three-point hitch on a BX-class tractor handles it without ballast drama, and the 540 RPM PTO drives the 18-inch flywheel directly.
The catch buried in the spec sheet: chipping full 4-inch logs at full infeed speed requires more than 20 HP at the PTO. A BX1880 with 12.5 PTO HP will chip the WC46's full capacity but will bog and slow noticeably on dense hardwood at 3.5 inches and up. Owners on 1025Rs (about 18 PTO HP) report no real complaints feeding green softwood up to 4 inches, but seasoned oak in the 3-4 inch range will make you slow the feed roller. If you're at the bottom of the HP range, expect to use the variable speed control rather than running everything at max feed.
WC46 vs Woodmaxx MX-8500G+: the real cross-shop
The MX-8500G+ is the chipper anyone seriously considering a WC46 should price out. It's $2,990 — $230 less than the WC46 — with 5-inch chipping capacity, an 18-50 PTO HP range that covers the same subcompact tractors, and Woodmaxx's 7-year warranty against the WC46's 3-year. On paper the Woodmaxx wins on every number that matters except one: it's gravity self-feed. No roller, no hydraulics, no reverse. The flywheel grabs the wood and pulls it in.
Pick the WC46 if most of your work is forked yard brush, hedge prunings, leafy storm cleanup, or anything that doesn't feed itself cleanly into a gravity hopper. The hydraulic roller pays for itself in saved frustration on that material. Pick the MX-8500G+ if you're mostly chipping firewood-length straight wood up to 5 inches, want the bigger capacity for the occasional thicker piece, and value the longer warranty. The MX-8500G+ is the better deal on paper; the WC46 is the better tool if you've ever stood at a chipper babysitting a forked branch.
Known issues: discharge chute clogs and hopper geometry
The most consistent complaint in WC46 owner threads is a clog point a few inches above the discharge chute's rotational flange. When you feed green pliant material — fresh pine tips, leafy maple branches, anything wet — the chute geometry chokes and the discharge backs up into the housing. The fix owners settle on is running the chipper at full rated PTO RPM (don't throttle down to save fuel), keeping knife-to-anvil clearance tight (Woodland Mills recommends checking with a credit card edge), and on stubborn rigs, drilling extra vent holes in the flywheel-side access plate to give the fan paddles more air. None of this is fatal — it's a known quirk owners adapt to.
Knife life is the other real-world cost. The four reversible hardened-steel blades flip once and then need resharpening or replacement, and chipping anything that's been on the ground (grit, embedded sand) eats blades fast. Woodland Mills sells a maintenance kit with blades, anvil, belts, and hydraulic filter — budget for one within the first 100-200 hours of use depending on what you're feeding. Compared to a Woodmaxx blade swap the parts pipeline is slower because everything ships from Ontario, but the maintenance kit packaging is good and the documentation is clear.
What's in the box
- WC46 chipper unit
- PTO shaft with shear pin (540 RPM)
- Blade set (2 knives, installed)
- 3-point hitch pins (Cat I)
- Discharge chute
- Hardware bag (assembly bolts, lock washers)
- Operator manual
- Tractor (15–40 HP with 540 RPM PTO)
- Quick-hitch adapter (iMatch or equivalent)
- Ear protection and safety glasses
Ships freight from Woodland Mills' Ontario warehouse. Self-feeding gravity-feed design. PTO shaft length should be checked and adjusted before first use.
Woodland Mills WC46 4-inch Hydraulic-Feed PTO Woodchipper specs at a glance
- Brand
- Woodland Mills
- Model
- WC46
- Power type
- pto
- Max branch diameter
- 4"
- Power
- PTO-driven, 15–30 HP tractor
- Feed system
- Hydraulic
- Weight
- 648 lb
- Price (MSRP)
- $3,220
- Warranty
- 3 years
Will the WC46 fit my tractor?
The Woodland Mills WC46 4-inch Hydraulic-Feed PTO Woodchipper needs 15–30 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 | WC46 verdict |
|---|---|---|---|---|
| Kubota BX23S | 22 | 15 | Cat 1 | Fits |
| Kubota LX2610 | 25 | 19 | Cat 1 | Fits |
| Kubota L2501 | 24 | 19 | Cat 1 | Fits |
| Kubota L3301 | 33 | 26 | Cat 1 | Fits |
| Kubota L3901 | 37 | 30 | Cat 1 | Fits |
| Kubota L4701 | 47 | 38 | Cat 1 | Oversized |
| Kubota MX5400 | 55 | 45 | Cat 2 | Oversized |
| Kubota M4-071 | 70 | 58 | Cat 2 | Oversized |
| John Deere 1025R | 24 | 18 | Cat 1 | Fits |
| John Deere 2025R | 25 | 19 | Cat 1 | Fits |
| John Deere 3025E | 24.7 | 19 | Cat 1 | Fits |
| John Deere 3032E | 32 | 25 | Cat 1 | Fits |
| John Deere 3039R | 38.2 | 30 | Cat 1 | Fits |
| John Deere 3046R | 45.3 | 37 | Cat 1 | Oversized |
| John Deere 4044M | 43.1 | 35 | Cat 1 | Oversized |
| John Deere 4066R | 65.9 | 53 | Cat 2 | Oversized |
| Mahindra 1533 | 33 | 26 | Cat 1 | Fits |
| Mahindra 2638 HST | 37.4 | 29 | Cat 1 | Fits |
| Massey Ferguson 1735M | 35 | 28 | Cat 1 | Fits |
| Massey Ferguson 2705E | 49 | 40 | Cat 2 | Oversized |
| New Holland WORKMASTER 25S | 24.7 | 18 | Cat 1 | Fits |
| New Holland WORKMASTER 35 | 35 | 28 | Cat 1 | Fits |
| Kioti CK2620 | 24.5 | 20 | Cat 1 | Fits |
| Kioti NX4510 | 45 | 38 | Cat 1 | Oversized |
| LS MT225S | 24.4 | 18 | Cat 1 | Fits |
| LS MT342 | 41.3 | 32 | Cat 1 | Fits |
“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 WC46 — and who should skip it
- You run a Kubota BX or John Deere 1025R-class subcompact and want hydraulic feed without jumping to a 6-inch class chipper
- Most of your material is forked yard brush, leafy prunings, or storm cleanup where gravity self-feed wastes your time
- You want $3,220 to be the all-in price — no dealer markup, no haggling, ships from Woodland Mills
- You value the reverse function on the infeed roller for backing out misfed branches without shutting the PTO down
- You're at the lower end of the HP range (15-20 PTO HP) where a gravity-feed chipper's flywheel can't reliably pull wood in on its own
- You want the chipper's hydraulic system fully self-contained so it doesn't tap your tractor's loader circuit
- Most of your chipping is straight clean wood — the gravity-feed Woodmaxx MX-8500G+ does it for less money with a longer warranty
- You regularly handle material over 4 inches and would actually use the MX-8500G+'s 5-inch throat
- You want a long warranty on a long-horizon purchase — 3 years is the floor in this category, and the Woodmaxx MX-Series goes to 7
- You prefer a local dealer for parts and service (Wallenstein BX42S is the alternative there)
- You're chipping ground-level material with grit and sand embedded — knife wear will be a recurring cost on any 4-inch chipper, but the WC46's Ontario parts pipeline is slower than US-based alternatives
Alternatives to the WC46
$1,521 less. same 4-inch capacity. mechanical feed (simpler, cheaper). 1-year warranty. from MechMaxx.
$325 less. 3.5-inch capacity (0.5 inch smaller). mechanical feed (simpler, cheaper). 5-year warranty. from Wallenstein.
$230 less. 5-inch capacity (1 inch larger). mechanical feed (simpler, cheaper). 7-year warranty. from Woodmaxx.
WC46accessories & add-ons
Set of 2 replacement chipper knives. Available from woodlandmills.com accessories page.
Custom-fit cover for the WC46. Sold on woodlandmills.com.
Replacement PTO shaft shear pins. Available from Woodland Mills accessories.
iMatch-compatible adapter for fast 3-point hookup. Sold separately by Woodland Mills or third-party.
WC46blade replacement & sharpening
Two reversible flywheel knives plus a reversible bed knife — a full flip-and-sharpen cycle gets roughly 80–120 hours before new steel.
Woodland Mills ships replacement blades from Canadian and US warehouses; order direct for the 2-year warranty.
- Blade count
- 2 flywheel knives
- Bed knife
- Yes — fixed anvil
- Sharpening angle
- 30–35°
- Reversible
- Yes — doubles edge life
- Blade material
- Hardened tool steel
- Replacement set
- $90–$140
- Sharpening interval
- 25–40 hours
- Bolt torque
- 45–55 ft-lb
- 01Stop the machine and isolate power
Disengage the PTO, shut the tractor off, and remove the key. Wait 60+ seconds for the WC46 flywheel to stop completely — it coasts longer than the engine.
- 02Open the discharge or flywheel access cover
Remove the bolts on the WC46 flywheel access hood (or flip the hinged hood if equipped). Swing it clear so you have line-of-sight to every blade position.
- 03Rotate the flywheel to the first blade
Turn the flywheel by hand until the first of the 2 knives is aligned with the access opening. Mark it "1" with a paint pen so you can keep track of orientation.
- 04Break the blade bolts loose
Use a breaker bar on each of the 2 blade bolts. Woodmaxx and Woodland Mills both thread-lock these at the factory; heat gently if they don't yield. Do not pry on the flywheel itself.
- 05Slide the blade out and inspect
Remove the blade and inspect for cracks, nicks deeper than 1/16", and rounded bevels. A cracked blade goes straight in the scrap bin — never re-sharpened.
- 06Flip or replace the blade
The WC46 uses 2 reversible knives. If the secondary edge is still clean, simply flip the blade for a fresh edge. If both edges are worn, sharpen at 30–35° on a belt sander — quench every 10–15 seconds to avoid bluing the Hardened tool steel.
- 07Balance the set
Remove equal material from every blade in the set. On the WC46's 2-knife flywheel, even a 1–2 gram imbalance shows up as vibration at operating RPM. Weigh on a gram scale after sharpening.
- 08Reinstall and torque
Apply anti-seize to the bolt threads (not the heads) and torque in a star pattern to 45–55 ft-lb. Use fresh lock washers — reused washers are the #1 cause of a loose blade downstream.
- 09Repeat for every remaining blade
Rotate the flywheel and repeat steps 3–8 for the remaining 1 knives. Then inspect the fixed bed knife — if the edge is rounded, flip or replace it and reset the blade-to-anvil gap to ~0.030" with feeler gauges.
- 10Close up and test-run
Rotate the flywheel by hand one full revolution to confirm no contact with the bed knife or housing. Close the access cover. Start the tractor, engage PTO at low idle, and listen for 30 seconds before ramping to operating RPM. Feed one small test branch before returning to normal work.
WC46 — frequently asked questions
- Will the WC46 work on a Kubota BX1880 or BX2380?
- Yes — both fall inside the 15-30 PTO HP range. The BX2380 (16.6 PTO HP) handles the WC46's full 4-inch capacity in softwood without complaint. The BX1880 (12.5 PTO HP) is below the threshold for full 4-inch hardwood at full feed speed; you'll need to slow the infeed roller on dense material in the 3-4 inch range. The hitch and 3-point geometry on both BX models accept the 648 lb chipper without ballast modifications.
- Is the current WC46 hydraulic feed or gravity feed?
- Hydraulic feed. The 2026 WC46 uses a 6-inch hydraulically driven infeed roller with a self-contained hydraulic system, adjustable speed, and reverse. Older threads on TractorByNet and Reddit describing it as gravity self-feed are referring to an earlier configuration that's no longer in production. If a listing or used unit specs say gravity feed, it's not the current generation.
- When is the Woodmaxx MX-8500G+ the better buy than the WC46?
- If you're chipping mostly straight wood up to 5 inches — firewood-length pieces, trunk sections, milled offcuts — the MX-8500G+ wins. It's $230 cheaper, has 5-inch capacity versus 4-inch, and its 7-year warranty more than doubles the WC46's 3-year coverage. The WC46 only justifies its price when you're feeding forked, leafy, or otherwise gnarly material where the hydraulic roller actually earns the extra money.
- Does the WC46 draw on the tractor's hydraulic system?
- No. The hydraulic pump is belt-driven off the chipper's own flywheel shaft, so the infeed roller runs on a self-contained circuit. That's important for subcompact owners — your tractor's loader hydraulics are untouched, and you don't need a rear remote hydraulic outlet to run the chipper.
- How does the WC46 compare to the Wallenstein BX42S?
- The BX42S is a premium dealer-network gravity-feed chipper at roughly $3,800 with a 5-year consumer warranty and a 20 PTO HP minimum. It's the heavier, more polished gravity unit. The WC46 is $580 cheaper, adds hydraulic feed, runs on smaller tractors (15 HP minimum), and ships direct from Woodland Mills with a 3-year warranty. Pick the BX42S if you want a local dealer for service and prefer gravity simplicity; pick the WC46 if you want the hydraulic roller and direct-to-consumer pricing.
- How serious is the discharge chute clogging issue?
- It's a known quirk, not a defect. Owners report clogs almost exclusively when feeding green pliant material — fresh leafy branches, wet pine tips — at less than full PTO RPM. Running at rated 540 RPM, keeping the knife-to-anvil gap tight, and letting the chipper fully clear between feeds prevents most clogs. Some long-term owners drill additional vent holes in the flywheel-side access plate to improve airflow; it's a five-minute mod that resolves the issue for the rest of the chipper's life.
- What are the common problems with the WC46?
- The most-reported issues are: hydraulic feed sensitivity (the safety bar can trip on long brush, which is by design), discharge chute clogging on wet chips (clear periodically), and paint chips from freight shipping (cosmetic only). None are mechanical defects — they're operational characteristics owners adapt to within the first few sessions.
- WC46 vs wc68 — which should I buy?
- See our head-to-head comparison for the detailed breakdown. In short: the WC46 at $3,220 offers 4-inch capacity with hydraulic feed. The right pick depends on your tractor HP, branch size, and whether you need hydraulic feed for forked material.
- Will the WC46 work on a kubota bx23s?
- Check your tractor's rated PTO HP (not engine HP). The WC46 needs 15–30 PTO HP. Most kubota bx23s tractors produce enough PTO HP, but verify your specific model's PTO output in the owner's manual. Also confirm your 3-point hitch lift capacity can handle 648 lb. See our tractor compatibility table above for 26 common tractor models.
- Will the WC46 work on a john deere 1025r?
- Check your tractor's rated PTO HP (not engine HP). The WC46 needs 15–30 PTO HP. Most john deere 1025r tractors produce enough PTO HP, but verify your specific model's PTO output in the owner's manual. Also confirm your 3-point hitch lift capacity can handle 648 lb. See our tractor compatibility table above for 26 common tractor models.
- What can the WC46 actually chip in real-world use?
- Rated for 4-inch branches. In practice, green softwood chips reliably at rated max. Seasoned hardwood at 4 inches slows the feed rate and bogs the flywheel on knots — comfortable working capacity on hardwood is 2.5–3.5 inches. The hydraulic feed handles forked and crooked material well.
- How much HP do I need to run the WC46?
- The WC46 needs 15–30 PTO HP. That's PTO horsepower (roughly 85–90% of engine HP). A 17 HP engine tractor produces about 15 PTO HP. Comfortable range: 19–27 PTO HP.
- What warranty does the WC46 come with?
- Woodland Mills covers the WC46 with a 3-year warranty. Covers manufacturing defects; excludes wearing parts and cosmetic damage.
- Is the WC46 worth buying?
- At $3,220, the WC46 is the value sweet spot — enough capacity for regular property use without commercial pricing. The 3-year warranty is shorter than competitors — factor that into your decision.