PololuPololu· Motors & actuators

172:1 Metal Gearmotor 25Dx71L mm LP 12V with 48 CPR Encoder

Name: 172:1 Metal Gearmotor 25Dx71L mm LP 12V with 48 CPR Encoder
Brand: Pololu

Manufacturer part no. 4888

$53.95≈ 47.51 €

Price summary

Sold by 2 suppliers, from €47.51 to €59.35. The lowest listed price is Pololu at €47.51. Once shipping, VAT and customs duty are added, the cheapest delivered is RobotShop at about €67.25 — Pololu lands at about €87.01. Prices last checked on 2026-10-01.

Delivered cost is an estimate for a single item shipped to mainland France; the seller's checkout is authoritative.

In stock — 55 units

origin China
RoHS3

View at seller ↗

Estimated landed cost

Landed cost breakdown
Item	€47.51
Shipping	€25.00
VAT (20%)	€14.50
Total delivered	€87.01

Estimate for a single item delivered to mainland France, shipped from outside the EU: customs duty and clearance fees may apply and are charged by the carrier.

2 offers for this product

Offers from the different sellers, sorted by price
Seller	Availability	Price	Seller link
PololuBest delivered cost	In stock	$53.95€57.01 incl. VAT	Visit ↗
RobotShop	Special order	€59.35€59.35 incl. VAT	Visit ↗

Prices compared incl. VAT: some sellers list ex-VAT trade prices, others VAT-inclusive retail prices. The badge marks the best estimated delivered cost, shipping and duties included — not always the first row.

Specifications (automatically extracted)

Electrical

Current max.	0.14 A
Voltage	12 V

Mechanical

Torque max.	1.9 kg·cm
Weight	107 g

Other characteristics

Lead length	8 in
Max efficiency 12v	31 %
Max output power 12v	1.1 W
No load current 12v	0.06 A
No load speed 12v	33 rpm
No load speed 6v	17 rpm
Output power at max efficiency	0.54 W
Shaft diameter	4 mm
Speed at max efficiency	28 rpm
Stall current 12v

Description

This gearmotor consists of a low-power, 12 V brushed DC motor combined with a 171.79:1 metal spur gearbox, and it has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 8245.92 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. Key specifications: