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MechMaxx 72'' Working Width 3 Point PTO Flail Mower with 8inch Left/Right Hydraulic Side Shift 45-85hp CAT 1 Tractor, NAM72H Review

Name: MechMaxx 72'' Working Width 3 Point PTO Flail Mower with 8inch Left/Right Hydraulic Side Shift 45-85hp CAT 1 Tractor, NAM72H
Brand: MechMaxx
Price: 2799 USD
Availability: InStock

By the Mowers.Cloud editorial team · How we research & rate · Updated June 2026

★★★★★ 5/5 (3 reviews)

$2,799.00

Brand: MechMaxx

MechMaxx 72'' Working Width 3 Point PTO Flail Mower with 8inch Left/Right Hydraulic Side Shift 45-85hp CAT 1 Tractor, NAM72H

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Overview

The MechMaxx 72’’ 3-Point PTO Flail Mower (NAM72H) is a heavy-duty attachment built for serious tractor owners with 45-85hp machines and Category 1 hitches. Designed for clearing rough terrain, overgrown pastures, and roadside ditches, it’s a step up from rotary cutters for those who want a finer, mulched finish without the scalping. If you’ve got a mid-size tractor and need to tackle thick brush or maintain large properties with precision, this mower is engineered to handle the grind—and its hydraulic side shift saves you from constant repositioning.

Who Should Buy This

Farmers and landowners with 10+ acres of rough pasture or hay fields – This mower chews through tall grass, weeds, and saplings up to 1-inch thick, leaving a clean, mulched cut that breaks down quickly.
Roadside and ditch maintenance crews – The 8-inch hydraulic side shift lets you mow along fences, ditches, or curbs without driving the tractor’s tires into the mess. Perfect for county or private property right-of-way work.
Tractor owners who hate scalping and rocks – Flail mowers are inherently safer on uneven ground than rotary cutters. The MechMaxx’s free-swinging Y-blades absorb impacts without damaging the deck or throwing debris.
Budget-conscious buyers wanting commercial-grade features – At $2,799, this undercuts most 72-inch flail mowers with hydraulic shift by $500–$1,000. You’re getting a CAT 1-compatible unit for less than half the cost of some European brands.

Key Features Breakdown

72-Inch Working Width – Covers a 6-foot swath, matching most compact utility tractors’ rear tire tracks. Ideal for open fields; still manageable for tighter areas if your tractor has a tight turning radius.
Hydraulic Side Shift (8 Inches Left/Right) – This is the standout feature. It lets you shift the mower while moving, keeping the tractor on clean ground while the mower reaches over ditches, fences, or edges. No more backing up to adjust.
3-Point PTO (Category 1, 45-85hp) – Fits most compact and mid-size tractors (e.g., Kubota L, John Deere 4-series). The PTO shaft is included, but you’ll need to verify your tractor’s PTO speed (540 rpm standard) and spline size.
Heavy-Duty Gearbox and Driveline – Rated for continuous use in thick brush. The gearbox is built with cast iron housing and heat-treated gears, capable of handling the torque from a 85hp tractor without overheating.
Free-Swinging Y-Blades – Unlike rigid rotary blades, these pivot on impact. They’re safer on rocky terrain and produce a finer mulch (think “mowed” vs. “chopped”). Replaceable individually—cheaper than replacing a whole blade set.
Adjustable Rear Roller – Controls cutting height from 1 to 4 inches. The roller also smooths out minor bumps and prevents scalping on uneven ground—critical for finishing pastures or lawns.

Pros

Hydraulic side shift saves serious time – You can mow along a fence line without driving the tractor’s tires into the wire. Shift 8 inches left or right on the fly.
Mulches finer than a rotary cutter – The flail design pulverizes grass and brush into small pieces that decompose fast, leaving a manicured look. Great for hay fields or visible roadside areas.
Rock- and debris-safe – No flung projectiles. The Y-blades are enclosed, so stones and sticks stay under the deck. Safer for mowing near buildings, roads, or people.
Built for abuse – The gearbox is beefy, and the deck is made from heavy-gauge steel. Several owners report using it on 80hp tractors for years without issues.
Easy blade replacement – Each Y-blade is held by a single bolt. Swap damaged ones in minutes without removing the entire assembly. Spare blades are cheap and widely available.
Competitive price – For a 72-inch flail mower with hydraulic shift, this is a steal. Equivalent models from brands like Land Pride or Alamo cost $4,000+.

Cons

Not for subcompact tractors – Minimum 45hp requirement means it won’t work on a Kubota BX or John Deere 1-series. Double-check your tractor’s PTO horsepower rating.
Heavy (approx. 850 lbs) – You’ll need a tractor with adequate front-end weight or a loader to counterbalance. On steep slopes, the weight can be a handful.
Assembly required – The mower ships partially disassembled (e.g., gearbox oil not filled, PTO shaft attachment). Budget 2–3 hours with basic tools. Instructions are adequate but not detailed.
Limited dealer network – MechMaxx is a direct-to-consumer brand. If you need warranty service or parts support, you’ll rely on their customer service (which has mixed reviews). No local dealer to lean on.

Bottom Line

The MechMaxx 72’’ Flail Mower delivers exceptional value for tractor owners who need a heavy-duty, precision-cutting attachment without breaking the bank. Its hydraulic side shift is a genuine productivity booster for fence lines and ditches, and the flail design is safer and cleaner than a rotary cutter on rough ground. Yes, it’s heavy and requires a 45hp+ tractor, and you’ll spend an afternoon assembling it. But for the price—$2,799—you’re getting commercial-grade capability that rivals units costing 50% more. I’d recommend it confidently to anyone with a mid-size tractor who wants to upgrade from a brush hog to a mower that leaves a finish you’d be proud to call a lawn.

Frequently Asked Questions

Q: Does this mower work with a 540 PTO?
A: Yes, it’s designed for standard 540 rpm PTOs. The included PTO shaft is for a 1-3/8-inch, 6-spline connection—most CAT 1 tractors use this. If your tractor has a different spline (e.g., 21-spline), you’ll need an adapter or a different shaft.

Q: Can I use this for mowing grass, or is it only for brush?
A: It excels at both. The Y-blades produce a fine mulch that works well on overgrown pastures and even tall grass. For manicured lawns, set the rear roller to 2–3 inches and go slow—the cut is clean but not as precise as a reel mower. It’s best for rough or semi-finished areas.

Q: How do I maintain the hydraulic side shift?
A

How It Compares

Here is a head-to-head comparison of the MechMaxx 72’’ 3-Point PTO Flail Mower and the CRAFTSMAN 42" Gas Riding Lawn Mower.

Quick Verdict

The MechMaxx wins for raw capability and land management, but the Craftsman is the better choice for the vast majority of suburban homeowners due to its lower price, ease of use, and dedicated mowing design.

Side-by-Side Comparison

Feature	MechMaxx NAM72H	Craftsman 13AN77XSA93
Price	$2,799.00	$2,099.00
Power Source	Tractor PTO (45-85 hp required)	17.5 HP Briggs & Stratton Gas Engine
Cutting Width	72 inches (6 ft)	42 inches (3.5 ft)
Self-Propelled?	No (tractor pulls it)	Yes (7-speed transmission)
Best Yard Size	5+ acres (rough, overgrown land)	0.5 - 2 acres (finished lawn)
Warranty	1 Year (typical for PTO implements)	2 Year Limited (Craftsman standard)

Where MechMaxx Wins

Massive Cutting Capacity & Versatility: The 72-inch working width is nearly double that of the Craftsman. The flail mower design (Y or T blades on a horizontal drum) can chew through heavy brush, tall weeds, and saplings up to 1-inch thick that would stop or damage a standard riding mower. It also mulches finer than a rotary deck, leaving no windrows.
Hydraulic Side Shift for Precision: The 8-inch left/right hydraulic shift is a professional-grade feature. It allows the operator to offset the mower to cut under fences, along ditches, or right up to tree lines without moving the tractor. The Craftsman cannot trim beyond its 42-inch deck edge.
Built for Commercial/Heavy-Duty Use: This is a Category 1, 3-point hitch implement designed to be pulled by a 45-85 hp tractor. It has no engine, transmission, or deck belt to burn out—it relies on the tractor’s PTO. It will outlast a dozen Craftsman mowers in rough conditions.

Where Craftsman Wins

All-in-One, Ready-to-Mow Package: The Craftsman is a complete, self-contained machine. You don’t need a separate $30,000+ tractor to power it. It has a seat, steering wheel, and a 7-speed transmission. You fill it with gas and mow immediately. The MechMaxx is useless without a compatible tractor.
Better for Finished Lawns: The Craftsman’s 42-inch stamped steel deck is designed for a clean, even cut on established turf. A flail mower, while versatile, can leave a slightly “shaggy” or shredded look on fine fescue or Bermuda grass. For a manicured suburban lawn, the Craftsman is superior.
Lower Cost & Better Value for Homeowners: At $2,099, the Craftsman is $700 cheaper and includes the engine, transmission, and chassis. It also has 166 reviews with a solid 4.2-star rating, proving reliability for typical lawn care. The MechMaxx has only 3 reviews, reflecting its niche market.

Which Should You Buy?

Buy Mower A (MechMaxx) if: You own a compact or utility tractor (45-85 hp) and manage large acreage (5+ acres) with rough terrain, heavy brush, or pasture. You need a rugged implement that can handle saplings, blackberry vines, and tall grass without bogging down, and you value the hydraulic side-shift for precision mowing around obstacles.
Buy Mower B (Craftsman) if: You have a standard suburban or large residential lot (0.5–2 acres) of grass. You want a simple, self-contained riding mower that you can drive out of the shed, mow, and park. You prioritize a clean finish, ease of maintenance, and a lower upfront cost.
Buy Neither if: You have 2–5 acres of mixed terrain. Consider a zero-turn mower (like a Cub Cadet or Toro) for speed and maneuverability, or a 60-inch finish mower for a compact tractor if you already own one. The MechMaxx is too aggressive for a lawn, and the Craftsman is too small for heavy brush.

Quick Verdict

There is no single “winner” here because these are completely different machines for different jobs, but if you must pick one overall, the MechMaxx wins for sheer capability and value in heavy-duty land clearing, while the Craftsman is the clear choice for suburban lawn care.

Side-by-Side Comparison

Feature	MechMaxx NAM72H	Craftsman 13AC77XYA93
Price	$2,799.00	$1,899.00
Power Source	PTO (requires 45-85hp tractor)	11.5 HP Briggs & Stratton gas engine
Cutting Width	72 inches (6 feet)	36 inches (3 feet)
Self-Propelled	No (tractor pulls it)	Yes (7-speed transmission)
Best Yard Size	5+ acres, rough terrain	1–3 acres, flat lawns
Warranty	Not specified (typically 1-year limited)	2-year limited (Craftsman)

Where MechMaxx Wins

1. Massive cutting capacity – The 72-inch working width is double that of the Craftsman, allowing you to mow an acre in roughly 10–15 minutes versus 30+ minutes. It also features an 8-inch hydraulic side shift, letting you offset the mower left or right to reach under fences, along ditches, or around obstacles without repositioning the tractor.

2. Built for heavy-duty vegetation – This is a flail mower, not a standard rotary deck. Flail mowers use Y-shaped or T-shaped blades on a horizontal rotor to shred thick grass, brush, saplings, and even small branches up to 1–2 inches in diameter. The Craftsman’s 11.5 HP engine and stamped steel deck would bog down or break on the same terrain.

3. Tractor-level durability and versatility – The MechMaxx is a Category 1 three-point hitch implement, meaning it’s built to withstand years of abuse on a farm or large property. It can also be used for pasture maintenance, overgrown field reclamation, and even light snow or leaf mulching. The hydraulic shift adds precision that a fixed-deck mower can’t match.

Where Craftsman Wins

1. All-in-one convenience and lower cost – At $1,899, the Craftsman is a complete riding mower—no tractor purchase required. The MechMaxx is just the attachment; you also need a 45–85 HP tractor with a 3-point hitch, which can cost $15,000–$50,000+.

2. User-friendly for typical lawns – With a 7-speed transmission, easy electric start, and a 36-inch cutting width, the Craftsman is ideal for suburban lots with trees, flower beds, and a driveway. It’s quiet enough for early morning mowing and requires no hydraulic knowledge or PTO shaft handling.

3. Proven reliability and customer support – With 166 reviews and a 4.2-star rating, the Craftsman has a track record of satisfaction. Parts and service are widely available at big-box retailers and small engine shops. The MechMaxx has only 3 reviews and is a niche product; warranty claims or parts may involve longer wait times.

Which Should You Buy?

Buy the MechMaxx NAM72H if: You own a 45–85 HP compact or utility tractor and need to clear overgrown fields, pastures, or rough land with brush, saplings, and thick grass. This mower is for serious property maintenance, not lawn grooming.

Buy the Craftsman 13AC77XYA93 if: You have a typical 1–3 acre suburban or semi-rural lawn with grass, leaves, and occasional weeds. You want a single machine that’s easy to operate, park, and maintain without requiring a separate tractor.

Neither is right if: You need to mow a 3–5 acre lawn with moderate slopes and occasional rough spots. In that case, consider a zero-turn mower (e.g., Ariens or Husqvarna) with a 48–54 inch deck—it will split the difference between these two extremes.