MechMaxx · NAM-H · ReviewUpdated 2026-08-05
MechMaxx NAM72H review
The NAM72H is the wide Cat 1 MechMaxx side-shift value play: 72″ cut, 16″ total hydraulic travel, and a 45–85 HP tractor requirement.
Pros and cons
Pros
- 72″ cut with 8″ left/right hydraulic side shift
- 28 heavy 1.8 lb hammers and four 17x991 belts
- Lower direct price than many premium side-shift flails
Cons
- Manufacturer 3″ material statement is a claim, not a tested result
- Requires one rear remote and adequate lift for a 745 lb mower
- No ditch-bank tilt and no Y-blade option listed
01What the NAM72H actually is
MechMaxx lists NAM72H at 72″ cutting width, 78″ overall width, 45–85 HP, Category 1 hitch, 745 lb machine weight, and 871 lb shipping weight.
The H suffix adds hydraulic side shift: 8″ left or 8″ right, for 16″ total lateral travel. It requires one rear remote and should not be confused with VAM ditch-bank articulation.
02Cutting package and manufacturer claim
Verified specs include 28 hammers at about 1.8 lb each, a 5″ rotor, 14″ blade swing, 4″ rear roller, 0.6″–2″ cutting height, and four 17x991 belts.
MechMaxx claims material capacity around 3″ in overview copy. This review treats that as a manufacturer claim, not a hands-on result, and would still pace heavy material carefully.
03NAM-H value vs heavier options
NAM72H is the value-oriented wide side-shift model: less expensive than many premium side-shift flails, but hammer-only with a 1-year warranty.
The heavier KDK line is the Cat 2 step up when NAM-H feels light for the tractor or job. Woodmaxx FM-78H is the support-and-blade-choice comparison in roughly similar width.
What's in the box
- NAM72H flail mower deck with 28 hammers
- Category 1 mounting with hydraulic side-shift cylinder
- Hydraulic side-shift hoses for one rear remote pair
- 4× 17x991 belt drive with tensioner
- 5″ rotor and 4″ rear roller
- Tractor with Category 1 three-point hitch and 540 RPM PTO
- One rear hydraulic remote pair for side shift
- Front ballast or loader weight as needed for a 745 lb mower
- Y-blade kit or alternate finish blade setup
- Side shift is 8″ left or right, 16″ total travel.
- MechMaxx’s 3″ material statement is treated as a manufacturer claim, not hands-on verification.
Full specifications
Normalized from manufacturer data (verified 2026-08-05). Always confirm on the current product page before you order.
- Brand
- MechMaxx
- Model
- NAM72H
- Cutting width
- 72″
- Overall width
- 78″
- PTO horsepower
- 45–85 HP
- Min HP per foot of cut
- 7.50
- Hitch
- Category 1
- Offset
- Hydraulic side shift (no tilt)
- Side-shift detail
- Hydraulic side shift 8″ left or right (16″ total travel).
- Rear remotes required
- 1
- Machine weight
- 745 lb
- Shipping weight
- 871 lb
- Cutting height
- 0.6″–2″
- Rotor diameter
- 5″
- Rotor RPM
- Not published
- Blade swing diameter
- 14″
- Hammer blades
- 28 × 1.8 lb (50.4 lb total)
- Blade options
- hammer
- Belts
- 4 × V 17x991
- PTO / driveline
- 1-3/8″ Z6 shear-bolt PTO shaft T6-LF-39
- Drive notes
- 4× 17x991 belts with tensioner, 5″ rotor, 14″ blade swing, 4″ rear roller; manufacturer overview claims material up to about 3″ diameter
- Price (list)
- $2,999
- Warranty
- 1 year
- Specs verified
- 2026-08-05
Tractor compatibility
- Match PTO horsepower to 45–85 HP. Use PTO HP from the tractor manual, not engine HP. Published mins in this catalog are all at least 3.0 HP per foot of cut.
- Machine weight is about 745 lb (shipping ~871 lb) — confirm your tractor’s 3-point lift capacity with margin for the PTO shaft and terrain.
- Hitch requirement: Category 1.
- Budget one rear remote for lateral side shift. This deck does not tilt down a bank — slope work is the VAM line.
- Ballast the front end on steep or soft ground, especially with wider decks (72″).
Who should buy the NAM72H, and who should skip it
Utility-tractor owners who need wide hammer-flail mowing plus modest side shift around edges and already have one rear remote pair.
You need 72″ plus side shift
The 8″ left/right travel helps with fences, trees, and edges without VAM tilt complexity.
Your tractor is truly in the 45–85 HP class
Use the 745 lb machine weight and 871 lb shipping weight for lift and delivery planning.
You want lower direct pricing
The sale price undercuts many premium side-shift alternatives.
You have no rear remote pair
The side-shift cylinder requires one rear remote to work as intended.
You need ditch-bank tilt
NAM72H shifts sideways only; VAM models articulate up/down but carry a grass-only caveat.
You need a heavier Cat 2 mower
KDK63H/KDK72H are the heavier Cat 2 step up from NAM-H.
Alternatives to consider
Accessories worth planning for
Rear remote hydraulic kitOptional
Required if your tractor lacks one rear remote pair for the side-shift cylinder.
Hydraulic coupler adaptersOptional
Confirm tractor-side couplers and hose routing before delivery.
Spare 17x991 belt setOptional
NAM72H uses four 17x991 belts with a tensioner.
Front ballast / loader ballastOptional
Evaluate ballast before transporting a 745 lb hydraulic side-shift deck.
Hammers vs Y-blades
Heavy hammer blades
28 hammers · ~1.8 lb each
Best for: Hydraulic side-shift rough mowing, fences, and field edges on 45–85 HP tractors
Finish: Mulched / utility finish
MechMaxx claims material up to about 3″ in overview copy; treat that as a manufacturer claim, not hands-on proof.
Hammer-only published configuration. The hydraulic side shift changes reach, not blade type.
What buyers should know about the NAM72H
Themes are editorial interpretations from manufacturer-published specs and brand-level MechMaxx hydraulic flail shopping discussions (retrieved 2026-08-14). SKU-specific written owner volume for NAM72H remains thin versus NAM68H and FM-78H.
- Wide affordable side shift. NAM72H combines 72″ width with hydraulic travel at a value-oriented direct price.
- Rear remote requirement. One rear remote pair is mandatory for the H feature and may add tractor setup cost.
- Manufacturer material claim. Thicker-material statements are treated as manufacturer claims rather than verified field performance.
- KDK step-up path. Buyers with Cat 2 tractors and heavier-duty needs should compare KDK rather than forcing NAM-H beyond its role.
Detailed specifications & features
MechMaxx lists NAM72H at 72″ cutting width, 78″ overall width, 45–85 HP, Category 1 hitch, 745 lb machine weight, and 871 lb shipping weight.
Verified specs include 28 hammers at about 1.8 lb each, a 5″ rotor, 14″ blade swing, 4″ rear roller, 0.6″–2″ cutting height, and four 17x991 belts.
72″ NAM hydraulic side-shift flail with 16″ total lateral travel for 45–85 HP Cat 1 tractors.
Key features
- +45–85 HP Category 1 tractor range
- +745 lb machine weight and 871 lb shipping weight
- +8″ left/right hydraulic side shift, 16″ total travel
- +28 hammers at approximately 1.8 lb each
Manufacturer-published specs
- SKU
- 150142
- Sale price
- $2,999
- Regular price
- $3,599
- Cutting width
- 72 in
- Overall width
- 78 in
- PTO horsepower
- 45–85 HP
- Hitch type
- Category 1
- Machine weight
- 745 lb
- Shipping weight
- 871 lb
- Cutting height
- 0.6 – 2 in
- Blade count
- 28 hammer blades
- Hammer weight
- Approximately 1.8 lb each
- Rotor
- 5 in tube
- Blade swing diameter
- 14 in
- Side shift
- 8 in left / 8 in right (16 in total)
- Manufacturer material claim
- About 3 in material, per overview copy; verify for your use case
- Drive belts
- 4× V 17x991
- Warranty
- 1 year
Specifications sourced from the manufacturer’s product page on August 5, 2026. Specs may change without notice.
FAQ
What tractor size fits the MechMaxx NAM72H?+
MechMaxx lists NAM72H for 45–85 HP Category 1 tractors. Machine weight is 745 lb and shipping weight is 871 lb.
How wide is the NAM72H?+
The verified cutting width is 72″ and overall width is 78″.
How much side shift does NAM72H have?+
Verified specs list 8″ left or 8″ right hydraulic side shift, for 16″ total travel.
How many rear remotes does NAM72H need?+
One rear hydraulic remote pair is required for the side-shift cylinder.
What blades come on NAM72H?+
MechMaxx lists 28 hammers at about 1.8 lb each. No Y-blade option is listed.
Can NAM72H cut 3″ material?+
MechMaxx overview copy claims material around 3″. Treat that as a manufacturer claim, not a hands-on test result.
NAM72H vs NAM72, what changes?+
NAM72H adds hydraulic side shift, weight, cost, and one rear-remote requirement. NAM72 is the fixed model.
NAM72H vs KDK72H, which should I buy?+
NAM72H is the Cat 1 value side-shift deck. KDK72H is the heavier Cat 2 step up with 2.7 lb hammers, 6″ rotor, and more weight.
What warranty does the NAM72H include?+
MechMaxx publishes a 1-year warranty on machines (separate engine warranties may apply on some powered products). Against Woodmaxx FM models (2-year parts), that shorter term is the main support tradeoff for MechMaxx's lower sticker. Confirm the current machine warranty and claim path on the MechMaxx site before you buy; coverage language is thinner than Woodmaxx's published parts process.