Lin Engineering
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G3718 Series
Hybrid Stepper Motor

Features and Benefits:
  • Improved passive cooling by design
  • Up to 50 percent more torque than similar size motors
  • Smooth Motion, high accuracy similar to a 0.9 motor
  • NEMA 17 (1.580 in) Frame Size
  • 1.8° Step Angle
  • 0.9 in Length
  • 25.49 oz-in Holding Torque


Model #NEMA sizeFrame sizeStep AngleConnection TypeLength, inCurrent AMPHolding Torque, oz-inResistanceInertia, oz-in²Weight, lbs# of LeadsAvailability
G3718V-01NEMA 172.250 in1.8°Bipolar0.900 in0.44 AMP25.49 oz-in180.08 oz-in²0.291 lbs4quote
G3718V-02NEMA 172.250 in1.8°Bipolar0.900 in0.65 AMP25.49 oz-in8.420.08 oz-in²0.291 lbs4quote
G3718V-03NEMA 172.250 in1.8°Bipolar0.900 in1.2 AMP25.49 oz-in2.330.08 oz-in²0.291 lbs4quote
G3718V-04NEMA 172.250 in1.8°Bipolar0.900 in1.6 AMP25.49 oz-in1.390.08 oz-in²0.291 lbs4quote
G3718V-05NEMA 172.250 in1.8°Bipolar0.900 in0.3 AMP25.49 oz-in33.130.08 oz-in²0.291 lbs4quote

Torque Curves


  • G3718V-01
  • G3718V-02
  • G3718V-03
  • G3718V-04
  • G3718V-05

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


ModelDIM. A (length) in
G3718V-010.900 in
G3718V-020.900 in
G3718V-030.900 in
G3718V-040.900 in
G3718V-050.900 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 face6 lbs
Dimension "K"0.550 in
Max Axial Load6 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 Strength500 VDC for 1 min

Features & Benefits

It runs cooler

The G3718V whisper torque motor incorporates a heat-sink design within the stator laminations to allow for passive cooling. When your motor operates cooler, you can increase power to gain more torque without overheating, or you can save energy and still perform at optimal performance. This is what makes all G-series steppers from Lin so unique: the motors are green and energy efficient.


It’s slimmer

The G3718V is slim by design. End caps are laser welded to the stator, eliminating much-wasted space in traditional stepper motor designs. This laser welding assembly eliminates the need for assembly screws to hold the motor together. This unique construction offers a great length to torque ratio. At only 22.8mm long, the motor produces 25 oz-in of torque. Applications can mount this motor by utilizing the 4 through holes that are designed into the stator lamination.


It’s smooth, quiet, accurate, and delivers an ample amount of torque

This stepper motor is a 1.8 degree per step motor, but it is as smooth as Lin’s smoothest 0.9-degree stepper. With all the know-how and technology that Lin Engineering brings, implementing key design aspects from the 0.9 line into the G3718V has created a motor that wins in both smoothness, accuracy, and torque. In traditional designs, one must compromise torque for smoothness or vice versa. With the G3718V, you can still get both.

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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.