Feature:1. Gear transmission is stable, shockresistant and wearresistant, and possess large transmission torsion2. The brush DC motor have strong motor power output, which is powerful and practical3. Worm gear is made of high quality brass materials, which is strong and shock resistant4. This 31mm gear motor is small in size, low noise and high torsion, and possess long service life5. Permanent magnet product is mainly used in curtain machines, billboard motors, 5840 gearboxes, etc.Specification:Item Type: Gear MotorMaterial: Copper, brass, zinc alloyModel: 5840GWMotor Type: Brush DC motorWorm Length: Approx. 15mm / 0.6inMotor: Approx. 31mm / 1.2inMainly used in curtain machines, billboard motors, 5840 gearboxes, etc.Parameter:ModelVoltageNo-load speedRPMRated speed(RPM)Rated torsion(KG.CM)Rated current(MA)Reduction ratio5840GW-12-612v65.5188505005840GW-12-1612v16153010205005840GW-12-4012v4038168002005840GW-12-8012v807510.511801005840GW-12-16012v16015141000495840GW-24-624v65.620.73805005840GW-24-1624v1615354205005840GW-24-4024v403818.54502005840GW-24-6524v656214.55002005840GW-24-8024v807212.54801005840GW-24-16024v1601505.545049Size:Approx. 34mm / 1.3inApprox. 27mm / 1.1inApprox. 2mm / 0.1inApprox. 15mm / 0.6inApprox. 14mm / 0.6inApprox. 7mm / 0.3inApprox. 3.5mm / 0.1inApprox. 18mm / 0.7inApprox. 2mm / 0.1inApprox. 40mm / 1.6inApprox. 28mm / 1.1inApprox. 9mm / 0.4inApprox. 40mm / 1.6inApprox. 11mm / 0.4inApprox. 58mm / 2.3inApprox. 120mm / 4.7inDiameter:Approx. 8mm / 0.3inApprox. 31mm / 1.2inApprox. 15mm / 0.6inApprox. 19mm / 0.7in.Package List:1 x Gear MotorNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.