Woodland Mills WC46 vs WC68: power, branch size and lifting weight
The WC46 and WC68 both provide hydraulic feeding from an onboard system, so adding rear hydraulic remotes is not the decision. Start with the tractor’s PTO rating and the size of the material you actually need to chip. The WC68 offers a larger throat, but its minimum power requirement does not promise full-speed processing of six-inch logs. It also puts more weight behind the tractor. Choose between these machines by checking three separate limits: power, branch geometry and the tractor’s approved implement load.
By Acreage Equipment · Reviewed November 6, 2026 · Specification research, not a field test
Consider WC46 for a smaller power budget and lighter implementShortlist WC46 when the actual tractor falls within 15–30 PTO hp, most material is within its four-inch limit, and hydraulic feed matters.
Consider WC68 when larger material justifies the extra machineShortlist WC68 when the tractor meets its 20–50 PTO-hp range and approved lift/stability limits, and a 6 × 8-inch throat addresses material you regularly handle.
Observed U.S. seller prices, checked November 6, 2026. Tax, shipping, options and the final seller quote may change the delivered total. These are dated observations, not a live price or stock feed. Open your saved comparison →
The differences that matter.
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The power windows overlap, but their full-capacity thresholds differ
WC46: 15–30 PTO hp; WC68: 20–50 PTO hp. Woodland Mills says full-diameter logs at full feed speed require over 20 PTO hp for WC46 and over 40 PTO hp for WC68. These figures refer to PTO output, not engine horsepower.
A tractor at 20 PTO hp reaches the WC68 minimum; it does not meet the maker’s full-size, full-feed condition. Treat that distinction as a workload question, not just a pass/fail horsepower check.
The cutting throats are different shapes and sizes
WC46 has a 4 × 6-inch throat and a four-inch maximum diameter. WC68 has a 6 × 8-inch throat and a six-inch maximum diameter. The larger hopper mouths are separate measurements.
Measure typical branch diameter and branching shape. A wide hopper entrance does not mean a fork or oversized log will pass the cutting throat.
The 2024 Rev C manuals list WC46 at 587 lb product / 693 lb shipping and WC68 at 747 lb product / 842 lb shipping. The 160 lb difference uses product weights from the same manual generation.
Use the product-weight distinction for initial lift and ballast discussions. The tractor’s load-center and implement restrictions still govern; subtracting chipper weight from a hitch rating is not an approval.
The official pages list a six-inch feed roller and 18-inch flywheel for WC46, versus an 8.25-inch roller and 24-inch flywheel for WC68. Both use self-contained hydraulic feed.
This is a change in the whole cutting/feed assembly, not simply a wider hopper. These dimensions alone do not establish a measured throughput advantage on your brush.
Consider WC46 for a smaller power budget and lighter implement
Shortlist WC46 when the actual tractor falls within 15–30 PTO hp, most material is within its four-inch limit, and hydraulic feed matters. It asks less of the hitch than WC68 on the published weights. Allow for the maker’s additional power condition when you expect full-size logs at full feed speed.
Consider WC68 when larger material justifies the extra machine
Shortlist WC68 when the tractor meets its 20–50 PTO-hp range and approved lift/stability limits, and a 6 × 8-inch throat addresses material you regularly handle. For full six-inch logs at full feed speed, the maker calls for over 40 PTO hp. Confirm performance expectations directly if your tractor is near the minimum.
Older WC46 and WC68 manuals can show 550 lb and 710 lb. This comparison uses the 2024 Rev C product weights of 587 lb and 747 lb; confirm the manual that applies to the delivered serial number.
Official U.S. product pages and prices were checked November 6, 2026. Manual specifications use the identified revisions; confirm the manual supplied with the delivered machine. Selection advice is our interpretation of published specifications, not physical testing.
FOLLOW THE NUMBERS
Sources & documentation
Research record reviewed November 6, 2026. Confirm the current manual and the exact revision supplied with your machine.
