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Pololu 75:1 Metal Gearmotor 25Dx69L mm LP 6V with 48 CPR Encoder

Artikelnummer: PO4826

EAN: 4060137101366

HAN: 4826

Herkunftsland: US

TARIC-Code: 8501101090

Kategorie: 25D 6V

34,95 €

inkl. 19% USt.,

sofort verfügbar

Lieferfrist: ca. 1 - 3 Tage




This gearmotor consists of a low-power, 6 V brushed DC motor combined with a 74.83:1 metal spur gearbox, and it has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 3591.84 counts per revolution of the gearbox?s output shaft. The gearmotor is cylindrical, with a diameter just under 25 mm, and the D-shaped output shaft is 4 mm in diameter and extends 12.5 mm from the face plate of the gearbox. This gearmotor is also available without an encoder.


These cylindrical brushed DC gearmotors are available in a wide range of gear ratios and with five different motors (two power levels of 6 V motors and three power levels of 12 V motors). The gearmotors all have the same 25 mm diameter case and 4 mm diameter gearbox output shaft, so it is generally easy to swap one version for another if your design requirements change (though the length of the gearbox tends to increase with the gear ratio). The motor and encoder portion is available by itself (no gearbox) for each combination of power level and nominal operating voltage, and versions without the encoder are also available. Please see the 25D metal gearmotor comparison table for detailed specifications of all our 25D metal gearmotors. This dynamically-sortable table can help you find the gearmotor that offers the best blend of speed, torque, and current-draw for your particular application.

Note: Stalling or overloading gearmotors can greatly decrease their lifetimes and even result in immediate damage. For these gearboxes, the recommended upper limit for instantaneous torque is 15 kg-cm (200 oz-in); we strongly advise keeping applied loads well under this limit. Stalls can also result in rapid (potentially on the order of a second) thermal damage to the motor windings and brushes, especially for the versions that use high-power (HP) motors; a general recommendation for brushed DC motor operation is 25% or less of the stall current.


  • Size:25D x 69L mm *
  • Weight:104 g
  • Shaft diameter:4 mm

General specifications

  • Gear ratio:74.83:1
  • No-load speed @ 6V:78 rpm
  • No-load current @ 6V:250 mA
  • Stall current @ 6V:2400 mA
  • Stall torque @ 6V:95 oz·in
  • Motor type:2.4A stall @ 6V (LP 6V)
  • Lead length:8 in2
  • Encoders?:Y


* Length measurement is from gearbox face plate to back of encoder cap (it does not include the output shaft). See dimension diagram for details.2May vary by a few inches.


Size (mm)


2.4A stall
(LP 6V)
- 25D x 46L 1:1 6200 50 2

PO4831 PO1591 25D x (58+15)L 498.87:1 11 250 400
PO4830 PO1590 25D x (58+15)L 377.93:1 15 250 300
PO4829 PO1589 25D x (56+15)L 223.76:1 25 250 200
PO4828 PO1588 25D x (56+15)L 171.79:1 34 250 200
PO4827 PO1587 25D x (54+15)L 98.78:1 58 250 130
PO4826 PO1586 25D x (54+15)L 74.83:1 78 250 95
PO4825 PO1585 25D x (52+15)L 46.85:1 120 250 65
PO4824 PO1584 25D x (52+15)L 34.014:1 170 250 50
PO4823 PO1583 25D x (50+15)L 20.4:1 290 250 33
PO4822 PO1582 25D x (48+15)L 9.68:1 590 250 17
PO4821 PO1581 25D x (48+15)L 4.4:1 1300 250 8

6.5A stall
(HP 6V)
PO4800 - 25D x 46L 1:1 10000 275 5

PO4808 PO1577 25D x (56+15)L 171.79:1 56 550 350
PO4807 PO1576 25D x (54+15)L 98.78:1 97 550 210
PO4806 PO1575 25D x (54+15)L 74.83:1 130 550 150
PO4805 PO1574 25D x (52+15)L 46.85 200 550 115
PO4804 PO1573 25D x (52+15)L 34.014:1 280 550 90
PO4803 PO1572 25D x (50+15)L 20.4:1 460 550 75
PO4802 PO1571 25D x (48+15)L 9.68:1 990 550 39
PO4801 PO1570 25D x (48+15)L 4.4:1 2150 550 20


25D Getriebemotor

This File includes

  • Dimension diagram of the Pololu 25D Metal Gearmotors (pdf)
  • 3D models of 25D mm gearmotors (zip)
  • Modifying the Wild Thumper to use motors with encoders (pdf) 

25D Getriebemotor

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