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Pololu

Pololu 4688

Model / article: Pololu 4688

Pololu 4688 is listed by Pololu in DC gearmotors. Published model data includes Product mass: 175 g; Gear ratio: 6.25:1. See the specification table for operating conditions and source evidence.

37D DC gearmotors

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Product overview

Manufacturer / supplier
Pololu
Series
37D DC gearmotors
Component type
DC gearmotors
Source
Open published source

Published pricing

No verified public price indexed for this model. Contact PartMeld for a supplier inquiry.

Published specifications

Values are shown as published. Conditions, rating basis and source evidence apply to each value.

Latest source observation: . Observation dates record evidence collection, not supplier re-verification.

Specifications and source evidence for Pololu 4688
SpecificationPublished valueConditions and source
DimensionsModel-level statement37D × 50L mm

rule validated

Operating conditions
manufacturer notes
1
Source evidence
Pololu 4688 | Size: 37D × 50L mm

Pololu 4688 / Size

Source observed: 2026-09-08View source
EfficiencyModel-level statement53 %Rating: maximum

rule validated

Operating conditions
voltage v
24
Source evidence
Pololu 4688 | Max efficiency @ 24V: 53 %

Pololu 4688 / Max efficiency @ 24V

Source observed: 2026-09-08View source
Efficiency currentModel-level statement0.58 ARating: maximum

rule validated

Operating conditions
operating point
maximum efficiency
Source evidence
Pololu 4688 | Current at max efficiency: 0.58 A

Pololu 4688 / Current at max efficiency

Source observed: 2026-09-08View source
Efficiency powerModel-level statement7.4 WRating: maximum

rule validated

Operating conditions
operating point
maximum efficiency
Source evidence
Pololu 4688 | Output power at max efficiency: 7.4 W

Pololu 4688 / Output power at max efficiency

Source observed: 2026-09-08View source
Efficiency speedModel-level statement1300 rpmRating: maximum

rule validated

Operating conditions
operating point
maximum efficiency
Source evidence
Pololu 4688 | Speed at max efficiency: 1300 rpm

Pololu 4688 / Speed at max efficiency

Source observed: 2026-09-08View source
Efficiency torqueModel-level statement0.55 kg·cmRating: maximum

rule validated

Operating conditions
operating point
maximum efficiency
Source evidence
Pololu 4688 | Torque at max efficiency: 0.55 kg·cm

Pololu 4688 / Torque at max efficiency

Source observed: 2026-09-08View source
Encoder presentModel-level statementN

rule validated

Source evidence
Pololu 4688 | Encoders?: N

Pololu 4688 / Encoders?

Source observed: 2026-09-08View source
Gear ratioModel-level statement6.25:1

rule validated

Source evidence
Pololu 4688 | Gear ratio: 6.25:1

Pololu 4688 / Gear ratio

Source observed: 2026-09-08View source
Product massModel-level statement175 g

rule validated

Source evidence
Pololu 4688 | Weight: 175 g

Pololu 4688 / Weight

Source observed: 2026-09-08View source
Maximum output powerModel-level statement14 WRating: maximum

rule validated

Operating conditions
voltage v
24
Source evidence
Pololu 4688 | Max output power @ 24V: 14 W

Pololu 4688 / Max output power @ 24V

Source observed: 2026-09-08View source
Motor typeModel-level statement24VRating: typical

rule validated

Source evidence
Pololu 4688 | Motor type: 24V

Pololu 4688 / Motor type

Source observed: 2026-09-08View source
No load currentModel-level statement0.1 A

rule validated

Operating conditions
voltage v
24
Source evidence
Pololu 4688 | No-load current @ 24V: 0.1 A

Pololu 4688 / No-load current @ 24V

Source observed: 2026-09-08View source
No load currentModel-level statement0.08 A

rule validated

Operating conditions
manufacturer notes
4
voltage v
12
Source evidence
Pololu 4688 | No-load current @ 12V: 0.08 A

Pololu 4688 / No-load current @ 12V

Source observed: 2026-09-08View source
No load speedModel-level statement1600 rpm

rule validated

Operating conditions
voltage v
24
Source evidence
Pololu 4688 | No-load speed @ 24V: 1600 rpm

Pololu 4688 / No-load speed @ 24V

Source observed: 2026-09-08View source
No load speedModel-level statement820 rpm

rule validated

Operating conditions
manufacturer notes
4
voltage v
12
Source evidence
Pololu 4688 | No-load speed @ 12V: 820 rpm

Pololu 4688 / No-load speed @ 12V

Source observed: 2026-09-08View source
Shaft diameterModel-level statement6 mm

rule validated

Operating conditions
manufacturer notes
2
Source evidence
Pololu 4688 | Shaft diameter: 6 mm

Pololu 4688 / Shaft diameter

Source observed: 2026-09-08View source
Stall currentModel-level statement3 ARating: stall

extracted

Operating conditions
manufacturer notes
3
method
manufacturer theoretical extrapolation
operating point
stall; not a continuous operating rating
voltage v
24
Source evidence
Pololu 4688 | Stall current @ 24V: 3 A

Pololu 4688 / Stall current @ 24V

Source observed: 2026-09-08View source
Stall currentModel-level statement1.7 ARating: stall

extracted

Operating conditions
manufacturer notes
4
method
manufacturer theoretical extrapolation
operating point
stall; not a continuous operating rating
voltage v
12
Source evidence
Pololu 4688 | Stall current @ 12V: 1.7 A

Pololu 4688 / Stall current @ 12V

Source observed: 2026-09-08View source
Stall torqueModel-level statement1.9 kg·cmRating: stall

extracted

Operating conditions
manufacturer notes
4
method
manufacturer theoretical extrapolation
operating point
stall; not a continuous operating rating
voltage v
12
Source evidence
Pololu 4688 | Stall torque @ 12V: 1.9 kg·cm

Pololu 4688 / Stall torque @ 12V

Source observed: 2026-09-08View source
Stall torqueModel-level statement3.5 kg·cmRating: stall

extracted

Operating conditions
manufacturer notes
3
method
manufacturer theoretical extrapolation
operating point
stall; not a continuous operating rating
voltage v
24
Source evidence
Pololu 4688 | Stall torque @ 24V: 3.5 kg·cm

Pololu 4688 / Stall torque @ 24V

Source observed: 2026-09-08View source

Technical documents and resources

Confirm the exact configuration, price, availability and operating conditions with the supplier before ordering.

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