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SainSmart Genmitsu 4040-PRO MAX CNC Router vs Genmitsu 4040-PRO CNC Router

Buy the 4040-PRO MAX if you plan to cut aluminum or other tough stock, or need to machine thicker material. Its 710W router and 100mm Z-pass height do work the base 4040-PRO's 75W spindle cannot. The base 4040-PRO is the better first CNC for wood-only hobbyists: it assembles in about 15 minutes, ships with limit switches, an e-stop and a photoelectric Z-probe, and its steel-tube, lead-screw frame is rigid. Owners of both praise the screw-driven motion; MAX buyers single out the spindle and the reinforced spoilboard.

  • Choose the 4040-PRO MAX if you want to cut aluminum and thicker stock out of the box without swapping the spindle.
  • Choose the 4040-PRO if you are starting with wood carving and want a complete, rigid machine with homing, e-stop and probing included.

Prices

  • SainSmart Genmitsu 4040-PRO MAX CNC Router: $949.00 at The Maker's Chest (last seen Nov 9)
  • Genmitsu 4040-PRO CNC Router: $409.00 at Amazon (last seen Nov 9)
  • Difference: the Genmitsu 4040-PRO CNC Router is $540.00 cheaper than the SainSmart Genmitsu 4040-PRO MAX CNC Router at the latest prices (Nov 9)
SainSmart
4040-PRO MAX CNC Router Machine

SainSmart Genmitsu 4040-PRO MAX CNC Router

4040-PRO MAX CNC Router Machine

4.6(18 ratings)
$949.00at The Maker's ChestChecked 23 h ago
See all prices and details
Visit The Maker's Chest
Pros
  • 710W router cuts aluminum and hardwoods the base model struggles with
  • 100mm pass height clears thick stock and tall relief carvings
  • Reinforced T-track spoilboard with aluminum support bar resists sagging
  • All-aluminum frame goes together in under 30 minutes
Cons
  • No limit switches, e-stop or Z-probe in the box; budget for them
  • Heavier at 24 kg
  • Only the Y-axis extension kit fits, not the X-axis kit
  • Small review base of 18 ratings
Genmitsu
Genmitsu 4040-PRO CNC Router Machine

Genmitsu 4040-PRO CNC Router

Genmitsu 4040-PRO CNC Router Machine

4.8(4 ratings)
$409.00at AmazonChecked 4 h ago
See all prices and details
Visit Amazon

As an Amazon Associate, Deal.ai earns from qualifying purchases.

Pros
  • Complete kit: limit switches, e-stop and photoelectric Z-probe included
  • Steel-tube, lead-screw frame is rigid and holds accuracy
  • Fast 15-minute assembly with locating pins
  • Laser, air-assist, MPG and 4th-axis expansion ports
Cons
  • 75W spindle is weak for aluminum and hardwoods
  • Lower 78mm working height limits thick stock
  • No written warranty listed
  • Spindle upgrade is effectively required for serious cutting

What separates them

SainSmart Genmitsu 4040-PRO MAX CNC RouterGenmitsu 4040-PRO CNC Router
Spindle710W digital-display router, 6,500–30,000 RPM75W spindle, 10,000 RPM rated
Z-pass height100 mm clearance for tall stock78 mm working height
Frame and motionAll-aluminum frame; Y lead screw, X linear rail, Z linear guideSteel HSS frame; dual 16mm tubes and lead screws on every axis
AssemblyUnder 30 minutesAbout 15 minutes, pre-assembled with locating pins
Included electronicsNo limit switches, e-stop or probe listed in the boxX/Y/Z limit switches, emergency stop, photoelectric Z-probe
Spindle mounting65mm router with 52mm retaining ring42mm and 52mm mounts; redesigned carriage for larger spindles
ExpansionSupports Y-axis extension kit onlyLaser port, air-assist port, MPG port, optional 4th-axis module
Weight24 kgAbout 20.8 kg

Price history

$959.00$409.00
Nov 6Nov 10
  • SainSmart Genmitsu 4040-PRO MAX CNC Router: lowest $899.00 on Nov 9 at Maker Shed.
  • Genmitsu 4040-PRO CNC Router: lowest $409.00 on Nov 10 at Amazon.

Prices at every store

SainSmart Genmitsu 4040-PRO MAX CNC Router

  • Maker ShedNew

    In stockMade for another market

    $899.00Free shippingChecked 23 h ago
    Visit Maker Shed
  • SainSmartNew

    In stockMade for another market

    $899.00Free shippingChecked 23 h ago
    Visit SainSmart
  • 3D PrinternationalNew

    In stockMade for another market

    $899.00Free shippingChecked 23 h ago
    Visit 3D Printernational
  • The Maker's ChestNew

    In stock

    $949.00Free shippingChecked 23 h ago
    Visit The Maker's Chest

Also available at

  • SainSmart.comCheck price at SainSmart.com
All 14 stores and price history →

Genmitsu 4040-PRO CNC Router

  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $409.00Free shippingChecked 4 h ago
    Visit Amazon
  • 3DPosedNew

    Availability unknown

    $519.00Checked 3 h ago
    Visit 3DPosed
  • Resin SocietyNew

    Availability unknown

    $519.00Checked 3 h ago
    Visit Resin Society
  • Hobby Tech SupplyNew

    Availability unknown

    $519.00Checked 3 h ago
    Visit Hobby Tech Supply

Also available at

  • WalmartCheck price at Walmart
All 16 stores and price history →

Specs compared

SpecSainSmart Genmitsu 4040-PRO MAX CNC RouterGenmitsu 4040-PRO CNC Router
Working area400 x 400 x 78 mm400 x 400 x 78 mm
Spindle power710W75W spindle
Machine length673 mm67.3 cm
Machine width665 mm66.3 cm
Machine height366 mm33.6 cm
Weight24 kg45.5 lb
Z-axis pass height100mm—
Spindle speed range6,500 to 30,000 RPM—
Stepper motorsNEMA17—
FirmwareGRBL—
ConnectivityUSB—
color—Black
Show all 40 specsShow fewer specs
SpecSainSmart Genmitsu 4040-PRO MAX CNC RouterGenmitsu 4040-PRO CNC Router
Machine weight—20.84 kg
Controller—32-bit controller
Axis tubes—Dual 16mm HSS steel tubes
Assembly time—about 15 minutes
Spindle mount sizes—65mm or 69mm
Voltage—240 volts
Power source—ac_dc
Power milling machine type—NC/CNC Milling Machine
Brand—Genmitsu
Spindle speed

What reviewers say

SainSmart Genmitsu 4040-PRO MAX CNC Router

  • 4.6 / 518 ratings

Rated 4.6 out of 5 from 18 ratings. Buyers say the 710W spindle cuts aluminum without trouble and the reinforced spoilboard fixed the flatness complaints of earlier models. They also call it easy to assemble and use for beginners and experienced operators alike.

What people mention
  • Spindle powerPraisedBuyers say the 710W spindle cuts aluminum and other tough materials without stalling.
  • Spindle precisionPraisedOwners rate the spindle highly for accuracy and reliability.
  • Spoilboard flatnessPraisedThe reinforced T-track board with aluminum support bar stops the sagging seen on earlier models.
  • Z-pass heightPraisedThe 100 mm clearance lets users work thicker stock and taller relief carvings.

Genmitsu 4040-PRO CNC Router

Owners call it a solid, capable machine for the money. They like how rigid it feels and how many modifications are possible. The main complaint is the weak stock spindle, which many replace.

What people mention
  • RigidityPraisedOwners say the steel frame and dual rails make it stiffer than belt-driven routers.
  • AssemblyPraisedBuyers report the pre-assembled parts and locating pins make setup quick and accurate.
  • Spindle powerCriticisedThe 75 W spindle is seen as weak for hardwoods and aluminum, prompting upgrades.
  • UpgradabilityPraisedMany owners mention mods, larger spindles and the optional 4th axis as reasons to buy.

Questions and answers

Can the 4040-PRO cut aluminum?
Only slowly and with light passes. Its 75W spindle is built for wood, plastic and soft materials. For regular aluminum work, the MAX's 710W router is the practical choice.
Which is more rigid?
Both use lead screws rather than belts. The base 4040-PRO's steel HSS tubes and dual Y rails give it a stiff, proven frame, while the MAX adds an all-aluminum frame and linear rails on X and Z. Owners of both report accurate cuts.
Do I need to buy extras for the base model?
No. The 4040-PRO ships with limit switches, an emergency stop and a photoelectric Z-probe. The MAX listing does not include those, so plan for them if you want homing and probing.
Which is easier to set up?
The base 4040-PRO. Main parts come pre-assembled with locating pins, and Genmitsu quotes about 15 minutes. The MAX quotes under 30 minutes.
Is the MAX worth stepping up to?
Yes if you cut aluminum, thick stock or tall relief carvings, or want to run larger bits. For wood-only hobby work, the base model covers it and leaves room to add a bigger spindle later.
Can either take a laser or 4th axis?
The base 4040-PRO has a 3-pin laser port, air-assist port, MPG port and support for an optional 4th-axis rotary module. The MAX supports a Y-axis extension kit instead.

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—
10000 rpm
Features—Accurate
Volts—24 Volts
Has written warranty—No
Maximum motor speed—24000 rpm
Product line—4040-PRO
Amps—4 A
Watts—75 Watts
Manufacturer—Genmitsu
Model—4040-PRO
Work area—400x400x78mm
Frame—Steel HSS
Lead screw—Dual Y-axis rails
Spindle mount—42mm and 52mm
Primary Functionality—Carving, Cutting, Milling
Z-Axis Travel—78 mm
Compatible Materials—Wood
Feed Rate—2000 mm/m
Motor Type—Stepper motor NEMA17 42