PartMeld

Pololu

Pololu 4745

Model / article: Pololu 4745

Pololu 4745 is listed by Pololu in DC gearmotors. Published model data includes Product mass: 195 g; Gear ratio: 102.08:1. See the specification table for operating conditions and source evidence.

37D DC gearmotors

Request supplier informationMore from this supplier
Product image
Product image

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 4745
SpecificationPublished valueConditions and source
DimensionsModel-level statement37D × 57L mm

rule validated

Operating conditions
manufacturer notes
1
Source evidence
Pololu 4745 | Size: 37D × 57L mm

Pololu 4745 / Size

Source observed: 2026-09-08View source
EfficiencyModel-level statement44 %Rating: maximum

rule validated

Operating conditions
voltage v
12
Source evidence
Pololu 4745 | Max efficiency @ 12V: 44 %

Pololu 4745 / Max efficiency @ 12V

Source observed: 2026-09-08View source
Efficiency currentModel-level statement0.72 ARating: maximum

rule validated

Operating conditions
operating point
maximum efficiency
Source evidence
Pololu 4745 | Current at max efficiency: 0.72 A

Pololu 4745 / Current at max efficiency

Source observed: 2026-09-08View source
Efficiency powerModel-level statement3.8 WRating: maximum

rule validated

Operating conditions
operating point
maximum efficiency
Source evidence
Pololu 4745 | Output power at max efficiency: 3.8 W

Pololu 4745 / Output power at max efficiency

Source observed: 2026-09-08View source
Efficiency speedModel-level statement87 rpmRating: maximum

rule validated

Operating conditions
operating point
maximum efficiency
Source evidence
Pololu 4745 | Speed at max efficiency: 87 rpm

Pololu 4745 / Speed at max efficiency

Source observed: 2026-09-08View source
Efficiency torqueModel-level statement4.2 kg·cmRating: maximum

rule validated

Operating conditions
operating point
maximum efficiency
Source evidence
Pololu 4745 | Torque at max efficiency: 4.2 kg·cm

Pololu 4745 / Torque at max efficiency

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

rule validated

Source evidence
Pololu 4745 | Encoders?: N

Pololu 4745 / Encoders?

Source observed: 2026-09-08View source
Gear ratioModel-level statement102.08:1

rule validated

Source evidence
Pololu 4745 | Gear ratio: 102.08:1

Pololu 4745 / Gear ratio

Source observed: 2026-09-08View source
Product massModel-level statement195 g

rule validated

Source evidence
Pololu 4745 | Weight: 195 g

Pololu 4745 / Weight

Source observed: 2026-09-08View source
Maximum output powerModel-level statement8 WRating: maximum

rule validated

Operating conditions
manufacturer notes
4
voltage v
12
Source evidence
Pololu 4745 | Max output power @ 12V: 8 W

Pololu 4745 / Max output power @ 12V

Source observed: 2026-09-08View source
Motor typeModel-level statement12VRating: typical

rule validated

Source evidence
Pololu 4745 | Motor type: 12V

Pololu 4745 / Motor type

Source observed: 2026-09-08View source
No load currentModel-level statement0.15 A

rule validated

Operating conditions
manufacturer notes
5
voltage v
6
Source evidence
Pololu 4745 | No-load current @ 6V: 0.15 A

Pololu 4745 / No-load current @ 6V

Source observed: 2026-09-08View source
No load currentModel-level statement0.2 A

rule validated

Operating conditions
voltage v
12
Source evidence
Pololu 4745 | No-load current @ 12V: 0.2 A

Pololu 4745 / No-load current @ 12V

Source observed: 2026-09-08View source
No load speedModel-level statement49 rpm

rule validated

Operating conditions
manufacturer notes
5
voltage v
6
Source evidence
Pololu 4745 | No-load speed @ 6V: 49 rpm

Pololu 4745 / No-load speed @ 6V

Source observed: 2026-09-08View source
No load speedModel-level statement100 rpm

rule validated

Operating conditions
voltage v
12
Source evidence
Pololu 4745 | No-load speed @ 12V: 100 rpm

Pololu 4745 / 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 4745 | Shaft diameter: 6 mm

Pololu 4745 / Shaft diameter

Source observed: 2026-09-08View source
Stall currentModel-level statement5.5 ARating: stall

extracted

Operating conditions
manufacturer notes
3
method
manufacturer theoretical extrapolation
operating point
stall; not a continuous operating rating
voltage v
12
Source evidence
Pololu 4745 | Stall current @ 12V: 5.5 A

Pololu 4745 / Stall current @ 12V

Source observed: 2026-09-08View source
Stall currentModel-level statement3.0 ARating: stall

extracted

Operating conditions
manufacturer notes
5
method
manufacturer theoretical extrapolation
operating point
stall; not a continuous operating rating
voltage v
6
Source evidence
Pololu 4745 | Stall current @ 6V: 3.0 A

Pololu 4745 / Stall current @ 6V

Source observed: 2026-09-08View source
Stall torqueModel-level statement34 kg·cmRating: stall

extracted

Operating conditions
manufacturer notes
3
method
manufacturer theoretical extrapolation
operating point
stall; not a continuous operating rating
voltage v
12
Source evidence
Pololu 4745 | Stall torque @ 12V: 34 kg·cm

Pololu 4745 / Stall torque @ 12V

Source observed: 2026-09-08View source
Stall torqueModel-level statement21 kg·cmRating: stall

extracted

Operating conditions
manufacturer notes
5
method
manufacturer theoretical extrapolation
operating point
stall; not a continuous operating rating
voltage v
6
Source evidence
Pololu 4745 | Stall torque @ 6V: 21 kg·cm

Pololu 4745 / Stall torque @ 6V

Source observed: 2026-09-08View source

Technical documents and resources

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

Report a specification error