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John Deere · COMPACT TRACTOR ATTACHMENTS

John Deere 4066R
Attachments that fit.

The John Deere 4066R is rated 65.9 gross hp and 57 PTO hp (hydro) in the 4 Series brochure; the order book lists 52. On either figure it is over the 50-PTO-hp ceilings of Woodland Mills WC68 and TMG’s TFM60 and TFMS50, and well inside WoodMaxx FM-78 and Wallenstein BX72S.

57PTO hp65.9engine hp1hitch category2,500lb lift at 24 in.
Wood chippers that fitFlail mowers that fit

By Acreage Equipment · Reviewed November 9, 2026 · Specification research, not a field test

John Deere 4066R compact tractor — representative series photo
Manufacturer photo · John Deere · representative series photo

PTO WOOD CHIPPERS FOR THE 4066R

Chippers that fit the 4066R.

7 of 19 pto wood chippers we track pass the published power, hitch and speed screen. Each still has a detail to confirm with the seller.

Full chipper guide
Wallenstein BX72S PTO wood chipperPTO chipper

Wallenstein

BX72S

7″ max. chip diameter · 50–85 engine hp · official U.S. page

Possible — confirm details

Confirm the correct attachment and driveline configuration for the tractor’s PTO speed; listed speed options are discrete settings.

Check seller priceAsk for a quote
Explore buying options at Wallenstein
Fit details
Wallenstein BX72RI PTO wood chipperPTO chipper

Wallenstein

BX72RI

7″ max. chip diameter · 45–85 engine hp · current U.S. page (manual table: 50–85 hp for the BX72R)

Possible — confirm details

Confirm the correct attachment and driveline configuration for the tractor’s PTO speed; listed speed options are discrete settings.

Check seller priceAsk for a quote
Explore buying options at Wallenstein
Fit details

1 more possible option in the full comparison table — see all.

12 ruled out by published specs

FLAIL MOWERS FOR THE 4066R

Flail mowers that fit the 4066R.

9 of 23 flail mowers we track pass the published power, hitch and speed screen. Each still has a detail to confirm with the seller.

Full flail mower guide
Farmry HFS87 flail mowerFlail mower

Farmry

HFS87

87″ cutting width · 30–85 HP (basis not stated) · official page and manual

Possible — confirm details

Ask the manufacturer whether the horsepower range means engine or PTO power.

$4,499checked November 14, 2026
Check current price at Farmry
Fit details

3 more possible options in the full comparison table — see all.

14 ruled out by published specs
Scope of this guideU.S. 4066R · eHydro 3-range HST · 4WD · open station · independent 540 PTO. Each configuration below states the model and equipment covered by its sources.

Shortlist the larger attachments: WoodMaxx FM-78, Land Pride FM25, Farmer-Helper FH-EFGC155, Wallenstein BX72S and WoodMaxx’s 8-inch chippers, which reach full capacity at 50 hp.

  • Brochure: 65.9 engine hp, 57 PTO hp (hydro), 58 (PowrReverser); order book: 52 PTO hp.
  • Woodland Mills WC68 (to 50 PTO hp) and TMG TFM60/TFMS50 (manual cap 50 PTO hp) are over on both figures.
  • WoodMaxx WM-8M’s 50+ PTO hp full-capacity condition is met on both.
  • Wallenstein BX72S (50–85 engine hp) is inside by 15.9; BX52S (to 55) is over.
  • WoodMaxx FM-78 (30–65 PTO hp) is 8 under its ceiling on the brochure figure.
  • Lift 2,500 lb at 24 inches; Category 1.

Choose the exact configuration.

U.S. 4066R · eHydro 3-range HST · 4WD · open station · independent 540 PTO

57 PTO hp

Current U.S. John Deere 4066R (order code 038BLV) with the eHydro three-range hydrostatic transmission, from the 5 May 2026 order book, the 4 Series brochure and the public specification component. Operating weight 3,770 lb in the brochure. PowrReverser versions are not profiled separately.

Engine power
65.9 hp · 65.9 hp gross SAE J1995 in the order book and brochure; the public component lists 65 hp. This is not PTO power.
Rear hitch
Category 1 (4 Series brochure 4R columns)
Lift at 24 inches
2,500 lb · 2,500 lb at 24 inches behind the link arms and 3,130 lb at the link ends in the 4 Series brochure (4R columns).
Lift at link ends
3,130 lb
Hydraulics
15.9 gpm (60.2 L/min) open-center implement flow in the brochure; dual independent pumps. 3/4/5 rear remotes optional (component: up to six).
Pressure
Not published in the reviewed brochure or component.
Find attachments for this tractor

Where the documents disagree.

PTO power

The 4 Series brochure lists 57 PTO hp (hydro) and 58 (PowrReverser) for the 4066R; the 5 May 2026 order book lists 52 PTO hp for the HST base machine without assigning a transmission.

The brochure’s hydro figure (57) is used, as on the site’s 4M profiles; the order book’s 52 is shown beside it and screened in the tests.

Engine power

The brochure and order book list 65.9 engine hp; the public specification component lists 65 hp SAE J1995.

65.9 is used; the component figure is rounded.

FOLLOW THE NUMBERS

Sources & documentation

Research record reviewed November 9, 2026. Confirm the current manual and the exact revision supplied with your machine.

  1. John Deere U.S. order book, 5 May 2026 — 4066R base machine (038BLV)Order code 038BLV: engine 65.9 hp gross SAE J1995, PTO 52 hp, HST 3-range
  2. John Deere 4066R public specification component (038BLV)Rated engine power 65 hp SAE J1995; economy PTO 540; up to six rear remotes
  3. John Deere 4 Series brochure 7623318 (PDF modified April 7, 2025)p15 specification table, 4044R/4052R/4066R/4075R columns: engine hp, PTO hp (PowrReverser and hydro), lift 2,500 lb at 24 in. and 3,130 lb at link ends, Category 1, operating weight
  4. Woodland Mills official U.S. product page — Capacity and hydraulic infeed sections; current price
  5. Woodland Mills WC68 operator manual, Rev C, 28-May-2024 — Printed p9 product/shipping weights; p12 Cat 1 and PTO range; operation/setup sections
  6. Official U.S. WC88 page: price, capacity and drive system
  7. Current linked WC88 operator manual, Rev C, 22-Aug-2022
  8. Official WM-8M page: configuration, 775 lb hitch weight and price
  9. WM-8M manual linked by current WoodMaxx manual index
  10. WoodMaxx FAQ, question 1: mechanical versus hydraulic feed
  11. Official FM-78 page: exact hammer variant, price and equipment
  12. Current FM-62/62H and FM-78/78H manual: printed p40 / PDF p41
  13. WoodMaxx manual index: Models 2025 to current
  14. Official MX-9900 page: power/capacity claims, feed, hitch and current sale price
  15. MX-9900 manual Rev C, September 18, 2026: specifications and setup
  16. Official Betstco FH-EFGC155 product page: exact model, current USD offer, dimensions and conflicting specifications
  17. Currently linked EFGC standard manual, Revision 12-12-17, pp16–23
  18. Official EFGC series: fixed models and separate hydraulic-offset kits
  19. Official Betstco manual index
  20. Wallenstein BX72S current U.S. page — engine power, current hitch categories, capacity, accessories and reference mass
  21. BX72S official support page — current operator/setup documents
  22. BX-S operator manual Z97085_En, Rev Jan-2025 — pp14,18–22,26,28,30,40
  23. PTO shaft instructions Z97844_En, Rev Aug-2024 — tractor/quick-hitch sizing
  24. Land Pride FM25 current North American family and model listing
  25. Official FM25 public catalog response — active models, gallery and linked documents
  26. FM25 operator manual 333-138M, printed 7/1/24 — requirements pp14–20, options pp15,30,33, specifications p39
  27. Official FM25 brochure — printed p12 model table
  28. Farmry HFS87 official product page — tractor power range, gearbox HP, widths, linkage, weight and price
  29. Farmry HFS/HFSS Series operator manual, Rev 1.6 — printed p17 specifications

FROM YOUR TRACTOR TO THE JOB

Equipment guides for this model.

FIELD GUIDE

John Deere 4066R wood chippers: over WC68’s 50

Woodland Mills rates WC68 to 50 PTO hp, and the John Deere 4066R is rated 57 in Deere’s brochure and 52 in its May 2026 order book, over on either. Woodland Mills WC88, Wallenstein BX72S and WoodMaxx’s four chippers fit.

Read the guide →FIELD GUIDE

John Deere 4066R flail mowers: FM-78 yes, TMG no

TMG’s TFM60 and TFMS50 manuals cap tractor power at 50 PTO hp; the John Deere 4066R is rated 57 (brochure) or 52 (order book), over on either. WoodMaxx FM-78, Farmer-Helper FH-EFGC and Land Pride’s FM25 mowers fit.

Read the guide →