acreage.EQUIPMENT
Compare0Find equipment

John Deere · COMPACT TRACTOR ATTACHMENTS

John Deere 4066M
Attachments that fit.

The standard 4066M hydro brochure reference is 57 PTO hp, with the book/manual’s unqualified 52 preserved. Both are above WC68’s and FM62’s maxima, while the current 65-engine-hp label separately exceeds BX52S’s maximum. Higher power narrows some choices without increasing the published 4M lift reference.

57PTO hp65engine hp1hitch category2,500lb lift at 24 in.
Wood chippers that fitFlail mowers that fit

By Acreage Equipment · Reviewed November 8, 2026 · Specification research, not a field test

John Deere 4066M compact tractor
Manufacturer photo · John Deere

PTO WOOD CHIPPERS FOR THE 4066M

Chippers that fit the 4066M.

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 4066M

Flail mowers that fit the 4066M.

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.-linked brochure HST scope · 037BLV / eHydro 1520 reference · standard 4M · 4WD · open station. Each configuration below states the model and equipment covered by its sources.

Screen the upper power limits first. Then compare FM78’s 70-inch configurations with the 84-inch FM2584, or compare WC88, BX72S and MX-9900 with their different capacity conditions, feed arrangements and complete loads.

  • 57 is the standard-model brochure hydro value; unqualified 52 remains a conflict, and Heavy Duty/gear figures are not substituted.
  • Both PTO references exceed the 45-hp FM62 ceiling and 50-hp WC68 ceiling.
  • FM78’s 30–65 PTO-hp range includes both references; the 65 engine label is a different basis.
  • FM2584’s 49–80 unspecified-hp range contains both PTO references and the current engine label numerically, but basis, material and load still need confirmation.
  • The 65 engine label exceeds BX52S’s 55 maximum and lies inside BX72S’s 50–85 band.
  • Neither PTO reference is over 60 for WC88’s full-8-inch/full-infeed statement; MX-9900’s separate 50+ HP capacity claim needs its own qualification.
  • The brochure still gives 2,500 lb at 24 inches and 3,130 lb at link ends. Extra PTO power is not a larger implement-load allowance.

Choose the exact configuration.

U.S.-linked brochure HST scope · 037BLV / eHydro 1520 reference · standard 4M · 4WD · open station

57 PTO hp

Standard 4066M, brochure hydro column, connected to current U.S. page base 037BLV and May 2026 book destination 0202, eHydro 1520 and open station 2000. Three-range HST and standard MFWD are documented. No verified model-year or full-PIN range is claimed. Heavy Duty, R, PRT and non-U.S. versions require separate profiles.

Engine power
65 hp · Rounded 65 hp SAE J1995 label in the current U.S. specification component. Book prints 65.9 with 48.5 kW and PS notation; brochure uses a 97/68/EC gross-power footnote. OMLVU28780 gives 65 gross hp. These are source labels, not a resolved current serial rating or a PTO equivalent.
Rear hitch
Category 1 in standard-model brochure column; older manual says Limited Category 1 — verify actual geometry
Lift at 24 inches
2,500 lb · Current-linked 4 Series brochure p14: 2,500 lb at 24 inches behind link arms, separately from 3,130 lb at link ends. Older manual says 24 inches behind ball versus hitch balls. No universal implement-load allowance or current full-PIN applicability is inferred.
Lift at link ends
3,130 lb
Hydraulics
Brochure lists 15.9 gpm total capacity, open center and dual independent pumps. No implement-only flow, current serial-specific split or usable rear-circuit flow is established by this total.
Pressure
Not confirmed for the selected U.S. brochure-defined HST scope in the reviewed applicable sources.
Find attachments for this tractor

Where the documents disagree.

PTO horsepower

Current-linked brochure explicitly gives 57 hydro and 58 gear PTO hp for standard 4066M. The May 2026 book and older North American manual give 52 without assigning a transmission.

The guide uses 57 only as a brochure-defined hydro reference and retains unqualified 52. Confirm the full-PIN-specific rating; no serial cutoff or current HST rating is inferred.

Engine horsepower

Current U.S. component gives 65 hp SAE J1995. Book/brochure print 65.9 with 48.5 kW and mixed PS/gross-standard labels; the older manual gives 65 gross hp.

Keep engine labels and standards visible. Do not convert a model number, PS label or engine rating into PTO output.

hitch limitation

Brochure standard-model column says Category 1; the older manual says Limited Category 1. Heavy Duty columns are separately labeled Category 1/2.

Confirm whether the limited-hitch designation applies to the actual tractor. Do not import Heavy Duty hitch equipment or assign a yes/no limitation from conflicting sources.

transmission base status

The book’s introduction describes PowrReverser, while its option table lists eHydro 1520 in base price and PRT 1381 separately. Brochure calls hydro optional and PRT standard.

Cover only the explicitly documented hydro configuration. Standard-equipment history and the transmission of an individual tractor remain unverified.

rear hydraulics

The U.S. component advertises up to six rear remote control valves available. Brochure says 3/4/5 optional; the book supplies loader-dependent hydraulic options rather than an installed circuit inventory.

These availability labels do not verify installed valves or establish equivalent counting conventions. Identify the actual loader, build and rear circuits before considering powered side shift.

PTO mode

The public component labels 540 under Economy PTO Speeds; the brochure specifies independent rear 540 and Economy PTO No.

Record rear 540 rpm only. The sources do not establish an economy setting or 1,000-rpm output for this selected configuration.

FOLLOW THE NUMBERS

Sources & documentation

Research record reviewed November 8, 2026. Confirm the current manual and the exact revision supplied with your machine.

  1. John Deere 4066M current U.S. product page
  2. 4066M U.S. public specification component: 037BLV / context 356308
  3. 5 May 2026 U.S. order book: 037BLV, PDF pp263–282; power p263, eHydro/open station p264, hydraulics pp278–279
  4. Current-linked 4 Series brochure 7623318 (25-04): p14 standard 4M columns, gear/hydro power, lift and options; p16 regional scope
  5. OMLVU28780 North American manual: engine table dated June 2015; PTO values not transmission-qualified
  6. OMLVU28780: three-range HST and separate PRT drivetrain table, February 2014
  7. OMLVU28780: Limited Category 1 wording and two lift locations, June 2013
  8. OMLVU28780: Deere implement-code ballast tables and whole-machine weight limit, August 2017
  9. OMLVU28780: identification fragments; no verified current full-PIN scope
  10. Official FM-62 page: exact hammer variant, equipment
  11. Current FM-62/62H and FM-78/78H manual: printed p40 / PDF p41 specifications
  12. WoodMaxx current manufacturer manual index
  13. Official FM-62H page: hammer option, price, equipment and conflicting weights
  14. Official FM-78 page: exact hammer variant, equipment
  15. Official FM-78H page: hammer option, price, equipment and conflicting weights
  16. Land Pride FM25 current North American family and model listing
  17. Official FM25 public catalog response — active models, gallery and linked documents
  18. FM25 operator manual 333-138M, printed 7/1/24 — requirements pp14–20, options pp15,30,33, specifications p39
  19. Official FM25 brochure — printed p12 model table
  20. Woodland Mills official U.S. product page — Capacity and hydraulic infeed sections; published specifications
  21. Woodland Mills WC68 operator manual, Rev C, 28-May-2024 — Printed p9 product/shipping weights; p12 Cat 1 and PTO range; operation/setup sections
  22. Wallenstein official U.S. BX52S page — explicit engine band, capacity, RPM label, reference weight and accessories
  23. Wallenstein BX52S support — currently linked operator, setup and shaft documents
  24. BX-S operator manual Z97085_En, Rev Jan-2025 — pp14,18–22,26,28,30,40
  25. PTO shaft instructions Z97844_En, Rev Aug-2024 — tractor/quick-hitch sizing
  26. BX-S setup instructions Z97085_SI, Rev Feb-2019 — assembly and shipment handling
  27. Official U.S. WC88 page: price, capacity and drive system
  28. Current linked WC88 operator manual, Rev C, 22-Aug-2022
  29. Wallenstein BX72S current U.S. page — engine power, current hitch categories, capacity, accessories and reference mass
  30. BX72S official support page — current operator/setup documents
  31. Official MX-9900 page: power/capacity claims, feed, hitch and published specifications
  32. MX-9900 manual Rev C, September 18, 2026: specifications and setup
  33. Farmry HFS87 official product page — tractor power range, gearbox HP, widths, linkage, weight and price
  34. 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 4066M flail mowers: exclude the 45-PTO-hp models before choosing width

For the standard 4066M hydro profile, the brochure’s 57 PTO hp and the book/manual’s unqualified 52 both exceed the FM62 family’s 45-PTO-hp maximum. The FM78’s 30–65 band remains numerically available, and both PTO references exceed FM2584’s 49 minimum. The remaining choice is about 70 versus 84 inches, blade configuration, reach and complete load—not a presumption that more tractor power approves every smaller mower.

Read the guide →FIELD GUIDE

John Deere 4066M wood chippers: two smaller models exceed different power limits

WC68 and BX52S drop out for different reasons: both 57 brochure hydro and 52 unqualified PTO hp exceed WC68’s 50-PTO-hp maximum, while the current 65-engine-hp label exceeds BX52S’s 55-engine-hp maximum. WC88, BX72S and MX-9900 remain candidates for further checks, but their diameter claims use different conditions and do not establish equal performance.

Read the guide →