Featured product media

8718 Series
Hybrid Stepper Motor

Features and Benefits:
  • High Torque
  • Cost effective
  • NEMA 34 (3.390 in) Frame Size
  • 1.8° Step Angle
  • 2.64 to 5 in Length
  • 433.33 to 1288.67 oz-in Holding Torque


Model #NEMA sizeFrame sizeStep AngleConnection TypeLength, inCurrent AMPHolding Torque, oz-inResistanceInertia, oz-in²Weight, lbs# of LeadsAvailability
8718L-04PNEMA 343.390 in1.8°Parallel5.000 in6.3 AMP1288.67 oz-in0.521.9 oz-in²8.442 lbs4quote
8718L-04SNEMA 343.390 in1.8°Serial5.000 in3.15 AMP1288.67 oz-in1.921.9 oz-in²8.442 lbs4quote
8718L-08PNEMA 343.390 in1.8°Parallel5.000 in7.7 AMP1288.67 oz-in0.321.9 oz-in²8.442 lbs4online
8718L-08SNEMA 343.390 in1.8°Serial5.000 in3.85 AMP1288.67 oz-in1.221.9 oz-in²8.442 lbs4online
8718M-04PNEMA 343.390 in1.8°Parallel3.820 in2.8 AMP861 oz-in1.714.8 oz-in²5.941 lbs4online
8718M-04SNEMA 343.390 in1.8°Serial3.820 in1.4 AMP861 oz-in6.714.8 oz-in²5.941 lbs4online
8718M-16PNEMA 343.390 in1.8°Parallel3.820 in6.3 AMP861 oz-in0.314.8 oz-in²5.941 lbs4quote
8718M-16SNEMA 343.390 in1.8°Serial3.820 in3.15 AMP861 oz-in1.214.8 oz-in²5.941 lbs4quote
8718S-01PNEMA 343.390 in1.8°Parallel2.640 in2.8 AMP433.33 oz-in17.66 oz-in²3.851 lbs4online
8718S-01SNEMA 343.390 in1.8°Serial2.640 in1.4 AMP433.33 oz-in4.17.66 oz-in²3.851 lbs4online
8718S-05PNEMA 343.390 in1.8°Parallel2.640 in6.3 AMP433.33 oz-in0.37.66 oz-in²3.851 lbs4quote
8718S-05SNEMA 343.390 in1.8°Serial2.640 in3.15 AMP433.33 oz-in17.66 oz-in²3.851 lbs4quote

Torque Curves


  • 8718L-04P
  • 8718L-04S
  • 8718L-08P
  • 8718L-08S
  • 8718M-04P
  • 8718M-04S
  • 8718M-16P
  • 8718M-16S
  • 8718S-01P
  • 8718S-01S
  • 8718S-05P
  • 8718S-05S

Find the motor that fits your Target Torque (oz-in) and Target Speed (RPM)


ModelDIM. A (length) in
8718L-04P5.000 in
8718L-04S5.000 in
8718L-08P5.000 in
8718L-08S5.000 in
8718M-04P3.820 in
8718M-04S3.820 in
8718M-16P3.820 in
8718M-16S3.820 in
8718S-01P2.640 in
8718S-01S2.640 in
8718S-05P2.640 in
8718S-05S2.640 in

Operating Specifications

Radial Play0.001 in @ 1 lbs
End Play0.003 in @ 3 lbs
Shaft Run Out0.002 TIR
Concentricity of Mounting Pilot to Shaft0.003 TIR
Perpendicularity of Mounting Pilot to Face0.003 TIR
Max Radial Load at Dimension "K" from mounting face39 lbs
Dimension "K"0.900 in
Max Axial Load25 lbs
Maximum Case Temperature176.00 °F maximum
Ambient Temperature-4 °F to 122.00 °F
Storage Temperature-4 °F to 212.00 °F
Humidity Range (%) 85% or less, non-condensing
Magnet Wire InsulationClass B 130 deg C
Insulation Resistance100M Ohm at 500 VDC
Dielectric Strength900 VAC for 1 minute

Specialty Motors

IP Rated Motors
Card image

IP (Ingress Protection) rated motors are perfect for applications exposed to humidity, water, oil, and other various debris.

Customizations & Optimizations

Lin Engineering can ensure that your hybrid stepper motor is optimized to deliver the required performance for your specific application, whether it’s increasing torque at a specific speed range, reducing noise or vibration, or optimizing for minimal power consumption, or making specific modification  to ensure proper and native fit within your assembly.

Content image

Customization Services Include: 

  • Optimized Winding
  • Multiple Shaft Options
  • Customized Leads & Connectors
  • Customized Housings & Mountings
  • Bearings & Lubricants
  • Mechatronic Solutions
  • Environmental Protection
  • Drivers & Controllers, Encoders, Gearboxes & Accessories


Learn More About Motor Customizations & Optimizations

The result is that you’ll get a motor that is fully optimized for your specific applications and configured to seamlessly fit with your assembly. This reduces your product's complexity, and increases the speed and ease of the assembly of your final product. 


Speak with one of our sales representatives about your specific application needs by filling out a request for a quote. 


Lin Engineering Catalog 2020 (PDF)
Motor Numbering System (PDF)

Get the motor you need

Just fill out a Request for a Quote form, and tell us about your application and your needs. One of our applications specialists will review your request, and provide you with a quote promptly.