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NEMA34 110AC Closed Loop Stepper Motor, Driver, Hybrid Servo Kit, 1699 oz-in

NEMA34 110AC Closed Loop Stepper Motor, Driver, Hybrid Servo Kit, 1699 oz-in

Best price now

$299.95at cnc4pc.comObserved Nov 3, 2026, 3:46 AM

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Our take on the NEMA34 110AC Closed Loop Stepper Motor, Driver, Hybrid Servo Kit, 1699 oz-in

This is a matched kit: a NEMA 34 closed-loop stepper motor rated at 1699 oz-in holding torque, its hybrid servo driver, and the cabling to run it. Closed-loop control uses an encoder to catch missed steps, so it holds position better than an open-loop stepper under sudden load. The motor has a 14 mm shaft and runs from 110 VAC. At $299.95 at cnc4pc.com as of November 3, 2026, it is the only new price listed, so there is no recent range to compare against.

Best forCNC router and mill builders needing high torqueRetrofits replacing open-loop NEMA 34 steppersHobbyists and small shops wanting servo-like reliability on a budgetAxes with heavy gantries or high cutting loads
Pros
  • 1699 oz-in holding torque suits large routers and mills
  • Closed-loop encoder reduces lost steps under load
  • Driver and motor are matched, so no tuning guesswork on compatibility
  • Runs on 110 VAC mains without a separate power supply
  • 14 mm shaft fits common NEMA 34 pulleys and couplings
Cons
  • Only one store lists it new, so price competition is limited
  • Closed-loop drivers cost more than plain open-loop stepper drives
  • 110 VAC input limits top speed compared with higher-voltage servo systems
  • NEMA 34 frame is large and heavy for small machines
  • Encoder cable routing and tuning add setup work

NEMA34 110AC Closed Loop Stepper Motor, Driver, Hybrid Servo Kit, 1699 oz-in prices at every store

  • cnc4pc.comNew

    In stock

    $299.95Observed Nov 3, 2026, 3:46 AM
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NEMA34 110AC Closed Loop Stepper Motor, Driver, Hybrid Servo Kit, 1699 oz-in price history

Lowest price we've seen: $299.95 on Nov 3 at cnc4pc.com. Tracked across 1 store since Nov 3.

Specifications

Motor Frame
Nema 34
Shaft Size
14mm

Questions and answers

Is this kit worth it over an open-loop NEMA 34 stepper?
If your machine stalls or loses position under load, the encoder feedback is the main reason to pay more. For light, low-speed work an open-loop motor and drive costs less and does the job.
What motor torque and shaft size does it have?
The motor is rated at 1699 oz-in holding torque in a NEMA 34 frame with a 14 mm shaft. Check that your pulley or coupling bore matches 14 mm before ordering.
What comes in the box?
The listing describes a kit of motor, driver and hybrid servo control. Confirm with the seller whether encoder and motor cables and a power cord are included, since kit contents vary.
Does it need a separate power supply?
No. The drive takes 110 VAC mains directly, so you do not need a DC power supply like open-loop stepper setups often use.
How does it compare with an AC servo?
It is cheaper and simpler to wire than a comparable AC servo, but a true servo generally offers higher speed and better performance under rapid direction changes. For most router axes this kit is enough.
When is the price lowest?
Only one store, cnc4pc.com, lists it new at $299.95 as of November 3, 2026, so there is no competing price to wait for. Watch for seasonal sales at that store.
Where is the NEMA34 110AC Closed Loop Stepper Motor, Driver, Hybrid Servo Kit, 1699 oz-in cheapest?
At cnc4pc.com, for $299.95, as of our latest check.