PTO chipperWoodland Mills
WC68
6″ max. chip diameter · 20–50 PTO hp
Confirm implement weight limits, center of gravity, front ballast and stability in your tractor manual.
Case IH Farmall 50A · PTO WOOD CHIPPERS
The mechanical-shuttle Farmall 50A is rated exactly 45.0 PTO hp, the ceiling Farmer-Helper FH-BX62S and FH-BX42 and Farmry WCAP5 Pro list. Woodland Mills WC68 (to 50), WC88, WoodMaxx’s chippers and Wallenstein BX52S and BX72S fit with room.
By Acreage Equipment · Reviewed November 9, 2026 · Specification research, not a field test
PUT THIS GUIDE TO WORK
See published mismatches and the checks still needed.


BEST MATCHES FOR THE FARMALL 50A
13 of 19 pto wood chippers we track pass the published power, hitch and speed screen on at least one configuration. “Specs line up” cards come first.
PTO chipperWoodland Mills
6″ max. chip diameter · 20–50 PTO hp
Confirm implement weight limits, center of gravity, front ballast and stability in your tractor manual.
PTO chipperWoodMaxx
9″ maximum chip diameter, inches · 25 PTO hp minimum; maximum not stated
Confirm the complete operating weight; a shipping weight cannot establish the attachment load.
PTO chipperWoodland Mills
8″ maximum branch diameter, inches · 35–100+ PTO hp
Resolve the conflicting published specifications for the exact model revision.
PTO chipperWallenstein
7″ max. chip diameter · 50–85 engine hp · official U.S. page
Confirm the correct attachment and driveline configuration for the tractor’s PTO speed; listed speed options are discrete settings.
PTO chipperWallenstein
5″ max. chip diameter · 22–55 engine hp · official U.S. page
Confirm the correct attachment and driveline configuration for the tractor’s PTO speed; listed speed options are discrete settings.
PTO chipperFarmer-Helper
6.5″ manual feed-opening short side, inches · 25–45 PTO hp in current index-linked manual; older capacity/range conflicts retained
Confirm the complete operating weight; a shipping weight cannot establish the attachment load.
7 more possible options in the full comparison table.
THE DECISION IN NUMBERS
Tractor reference: Case IH Farmall 50A, August 2026 sheet; Category 1.
Scroll the table sideways on smaller screens.
| Chipper | Published requirement | Mechanical 45.0 | Servo-HST 42.4 |
|---|---|---|---|
| Woodland Mills WC68 | 20–50 PTO hp; over 40 for full feed | Inside; full feed | Inside; full feed |
| WoodMaxx MX-9900 / MX-8800 / WM-8M | 19–25 PTO hp minimum; full capacity at 50+ | Inside; 5 short of 50 | Inside; 7.6 short of 50 |
| Woodland Mills WC88 | 35 PTO hp minimum | Inside | Inside |
| Wallenstein BX72S | 50–85 engine hp | Inside (+2) | Inside (+2) |
| Wallenstein BX52S | 22–55 engine hp | Inside (3 under) | Inside (3 under) |
| Farmer-Helper FH-BX62S / FH-BX42; Farmry WCAP5 Pro | To 45 PTO hp | Exactly at ceiling | Inside (2.6 under) |
| Wallenstein BX52RI / BX72RI | 30–55 / 45–85 engine hp (page); hydraulic feed; 5-in. / 7-in. | BX52RI inside, BX72RI inside (2 above the manual’s 50) (on 52 engine hp) | BX52RI inside, BX72RI inside (2 above the manual’s 50) (on 52 engine hp) |
| Farmry WCAP5 | 15–45 engine hp | 7 over: excluded | 7 over: excluded |
A tractor exactly at a published maximum is inside it, but there is no margin. Ask Farmer-Helper or Farmry before running FH-BX62S or WCAP5 Pro on the mechanical 50A.
Woodland Mills WC68 (20–50 PTO hp) gets full feed over 40, which both 50A versions clear. WoodMaxx MX-9900 starts at 25 and reaches full capacity at 50+. The comparison below sets them side by side.
The 52-hp engine is inside BX52S (22–55) and BX72S (50–85), 2 over BX72S’s minimum.
Case IH lists 2,310 lb at 24 inches behind the pin; of the chippers it has the power for, Wallenstein’s BX72RI has the highest published weight, 1,300 lb.
Wallenstein’s current pages rate the 5-inch BX52RI (30–55 engine hp, Category I) and the 7-inch BX72RI (45–85 engine hp, Category I and II). Two hydraulic rollers pull material in at a set rate, and P3 PULSE reverses them when the rotor slows; they need 3–6 gpm from a rear remote or Wallenstein’s PTO-driven power pack. The Case IH Farmall 50A’s 52 engine hp is inside the BX52RI’s range on both the page and the manual. It is inside the BX72RI’s range on both the page and the manual. Its published lift at 24 inches, 2,310 lb, carries the 1,300-lb BX72RI with 1,010 lb to spare. Wallenstein lists no price; ask a dealer.
THE SCREEN, WITH ITS LIMITS VISIBLE
No pairing below is manufacturer-confirmed. “Preliminary” still requires implement limits, load center, ballast, hitch geometry and shaft checks.
Initial specification screen only. Scroll the table on small screens. Read the product page for every remaining check.
| Attachment | U.S. Farmall 50A · 12x12 mechanical shuttle with synchro shift · MFD · ROPS · independent PTO45 PTO hp | U.S. Farmall 50A · 3-range servo-hydrostatic · MFD · ROPS · independent PTO42.4 PTO hp |
|---|---|---|
| Farmry WCAP5 →412 lb · Net weight WITH PTO shaft, manual Rev1.5 p20 | Published mismatch52 engine hp exceeds the published 45 hp range. | Published mismatch52 engine hp exceeds the published 45 hp range. |
| Farmry WCAP5 PRO →386 lb · Product weight, current manual Rev1.4 p13; whether PTO shaft is included in this weight is not stated | Needs specification reviewResolve the conflicting published specifications for the exact model revision. | Needs specification reviewResolve the conflicting published specifications for the exact model revision. |
| Woodland Mills WC46 →587 lb · Product weight, 2024 operator manual Rev C p9 | Published mismatch45 PTO hp exceeds the published 30 hp range. | Published mismatch42.4 PTO hp exceeds the published 30 hp range. |
| Woodland Mills WC68 →747 lb · Product weight, 2024 operator manual Rev C p9 | Preliminary spec matchConfirm implement weight limits, center of gravity, front ballast and stability in your tractor manual. | Preliminary spec matchConfirm implement weight limits, center of gravity, front ballast and stability in your tractor manual. |
| Woodland Mills TFG55 PTO →346 lb · Product weight, Rev B manual p9 | Published mismatch45 PTO hp exceeds the published 30 hp range. | Published mismatch42.4 PTO hp exceeds the published 30 hp range. |
| Woodland Mills WC88 →900 lb · Product weight: 900 lb in current linked 2022 Rev C manual, printed p9; shipping weight is 1,054 lb. The manual does not explicitly identify whether quoted product weight includes the PTO shaft or filled hydraulic oil. | Needs specification reviewResolve the conflicting published specifications for the exact model revision. | Needs specification reviewResolve the conflicting published specifications for the exact model revision. |
| WoodMaxx WM-8H →Operating weight unconfirmed · Operating weight is unverified in the current official product page and linked manual. The page lists 990 lb SHIPPING weight; do not use it as operating weight. Confirm weight with PTO shaft and a filled hydraulic tank. | Needs specification reviewConfirm the complete operating weight; a shipping weight cannot establish the attachment load. | Needs specification reviewConfirm the complete operating weight; a shipping weight cannot establish the attachment load. |
| WoodMaxx WM-8M →775 lb · Product page states 775 lb total weight on the three-point hitch; shaft/fluid inclusion is not explicit. Shipping sections conflict at 950 versus 990 lb. Confirm the delivered operating assembly and shipping revision. | Needs specification reviewResolve the conflicting published specifications for the exact model revision. | Needs specification reviewResolve the conflicting published specifications for the exact model revision. |
| WoodMaxx MX-8800 →Operating weight unconfirmed · Complete operating weight is unverified. Current Rev D manual (printed p45 / pdf p46, technical specifications) states approximately 772 lb DRY weight; page separately states 1,004 lb SHIPPING weight. Shaft inclusion in dry weight is not explicit. Do not substitute either figure for a confirmed shaft/oil-inclusive operating load. | Needs specification reviewConfirm the complete operating weight; a shipping weight cannot establish the attachment load. | Needs specification reviewConfirm the complete operating weight; a shipping weight cannot establish the attachment load. |
| WoodMaxx MX-9900 →Operating weight unconfirmed · Complete operating weight is unverified. Current Rev C manual (printed p42 / pdf p43, technical specifications) states approximately 816 lb DRY weight; page separately states 1,048 lb SHIPPING weight. Shaft inclusion in dry weight is not explicit. Do not substitute either figure for a confirmed shaft/oil-inclusive operating load. | Needs specification reviewConfirm the complete operating weight; a shipping weight cannot establish the attachment load. | Needs specification reviewConfirm the complete operating weight; a shipping weight cannot establish the attachment load. |
| Farmer-Helper FH-BX42 →Operating weight unconfirmed · Complete operating weight is unverified. Current index-linked manual p2 lists 430 lb net and 450 lb shipping. Current product/series pages instead list 423 lb net and 458 lb shipping. Net-weight shaft/assembly inclusions are unstated; none is substituted for a verified operating load. | Needs specification reviewConfirm the complete operating weight; a shipping weight cannot establish the attachment load. | Needs specification reviewConfirm the complete operating weight; a shipping weight cannot establish the attachment load. |
| Farmer-Helper FH-BX62S →Operating weight unconfirmed · Complete operating weight is unverified. Current index-linked manual p2: 830 lb net / 860 lb shipping. Current series page: 835 lb net / 915 lb gross. Product page calls 835 lb both total and gross; older product-linked manual p38 gives 797 lb net / 850 lb gross. Shaft/assembly inclusions are unstated, so no reference is used as operating weight. | Needs specification reviewConfirm the complete operating weight; a shipping weight cannot establish the attachment load. | Needs specification reviewConfirm the complete operating weight; a shipping weight cannot establish the attachment load. |
| Wallenstein BX36S →Operating weight unconfirmed · Official page Total Weight and Jan-2025 manual Weight: 395 lb. Neither states whether the supplied shaft and all operating equipment are included; complete operating and separate shipping weights remain unverified. | Published mismatch52 engine hp exceeds the published 30 hp range. | Published mismatch52 engine hp exceeds the published 30 hp range. |
| Wallenstein BX52S →Operating weight unconfirmed · Official page Total Weight and Jan-2025 manual Weight: 505 lb. Neither states whether the supplied shaft and all operating equipment are included; complete operating and separate shipping weights remain unverified. | Needs specification reviewConfirm the correct attachment and driveline configuration for the tractor’s PTO speed; listed speed options are discrete settings. | Needs specification reviewConfirm the correct attachment and driveline configuration for the tractor’s PTO speed; listed speed options are discrete settings. |
| Wallenstein BX72S →Operating weight unconfirmed · Current official page Total Weight and Jan-2025 manual Weight: 728 lb. Neither defines complete shaft-inclusive operating mass or a separate shipping weight. Confirm the assembled operating load; do not relabel 728 lb as dry or shipping weight. | Needs specification reviewConfirm the correct attachment and driveline configuration for the tractor’s PTO speed; listed speed options are discrete settings. | Needs specification reviewConfirm the correct attachment and driveline configuration for the tractor’s PTO speed; listed speed options are discrete settings. |
| Wallenstein BX102S →1143 lb · Total Weight 1143 lb (519 kg) on the current page and in the Jan-2025 BX-S manual. Neither says whether the PTO shaft is included; confirm the assembled operating load. | Published mismatch52 engine hp is below the 80 hp minimum. | Published mismatch52 engine hp is below the 80 hp minimum. |
| Wallenstein BX52RI →845 lb · Total weight 845 lb on the current page and operating weight 845 lb in the BXR manual §10.1. Neither says whether the PTO shaft is included. | Needs specification reviewConfirm the correct attachment and driveline configuration for the tractor’s PTO speed; listed speed options are discrete settings. | Needs specification reviewConfirm the correct attachment and driveline configuration for the tractor’s PTO speed; listed speed options are discrete settings. |
| Wallenstein BX72RI →1300 lb · Total weight 1,300 lb on the current page and operating weight 1,300 lb in the BXR manual §10.1. Neither says whether the PTO shaft is included. | Needs specification reviewConfirm the correct attachment and driveline configuration for the tractor’s PTO speed; listed speed options are discrete settings. | Needs specification reviewConfirm the correct attachment and driveline configuration for the tractor’s PTO speed; listed speed options are discrete settings. |
| Wallenstein BX102RI →1950 lb · Total weight 1,950 lb on the current page and operating weight 1,950 lb in the BXR manual §10.1. Neither says whether the PTO shaft is included. | Published mismatch52 engine hp is below the 75 hp minimum. | Published mismatch52 engine hp is below the 75 hp minimum. |
Does my work justify MX-9900’s larger opening, or is WC68 the more suitable powered-feed option?
Read the guide →FIELD GUIDETake the complete setup, not just a horsepower number, to the manufacturer.
Read the guide →FOLLOW THE NUMBERS
Research record reviewed November 9, 2026. Confirm the current manual and the exact revision supplied with your machine.