JOINTDEX

Data captured: · Published: · Update delayed: this release is over 8 days old.

Components › A · Joint Actuation › Hobber
HPG-40TAdd to cart
Photograph of the part · from aifitlab.comHPG-40T1 / 1
Hobber · Hobber

HPG-40T

A · Joint Actuation · active · sources 2
specs 34evidence [n]sources 2
45Reduction ratio
1

Added to this browser's cart — no account, no contact details.

The prices here are distributors' listed figures, so this page does not take payment — a quote comes back with the real terms.

Shipping · lead time[value]

Specs.

Check before you order.

field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Reduction ratioreduction_ratio
value
as printed 4545
source sentenceGear Ratio 45
sourcehttps://aifitlab.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Peak torquepeak_torque
valuemeasured at Reduction ratio 45
as printed 840 N.m840 N·m
source sentencePeak Torque (AC) 840 N.m
sourcehttps://aifitlab.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 45
as printed 420 N.m420 N·m
source sentenceRated Torque (AC) 420 N.m
sourcehttps://aifitlab.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Max speedmax_speed
valuemeasured at Reduction ratio 45
as printed 67 rpm67 r/min
source sentenceMaximum Speed (AC) 67 rpm
sourcehttps://aifitlab.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Rated speedrated_speed
valuemeasured at Reduction ratio 45
as printed 49 rpm49 r/min
source sentenceRated Speed (AC) 49 rpm
sourcehttps://aifitlab.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Peak currentpeak_current
valuemeasured at Reduction ratio 45
as printed 34.60 Arms34.6 A
source sentenceMaximum Current (AC) 34.60 Arms
sourcehttps://aifitlab.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Rated currentrated_current
valuemeasured at Reduction ratio 45
as printed 17.30 Arms17.3 A
source sentenceRated Current (AC) 17.30 Arms
sourcehttps://aifitlab.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Torque constanttorque_constant
valuemeasured at Reduction ratio 45
as printed 24.28 N.m/Arms24.28 N·m/A
source sentenceTorque Constant (AC) 24.28 N.m/Arms
sourcehttps://aifitlab.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Encoder typeencoder_type
valuemeasured at Reduction ratio 45
Absolute Encoder
source sentenceEncoder Type Absolute Encoder
sourcehttps://aifitlab.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Encoder resolutionencoder_resolution
valuemeasured at Reduction ratio 45
2^23 (8,388,608) bit
source sentenceEncoder Resolution (Per Revolution) 2^23 (8,388,608) bit
sourcehttps://aifitlab.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 45
240 N.m/Arcm
source sentenceTorsional Stiffness 240 N.m/Arcm
sourcehttps://aifitlab.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Weightweight
valuemeasured at With or without brake without brake · Reduction ratio 45
as printed 22.7 Kg22.7 kg
source sentenceMass (Without Brake) 22.7 Kg
sourcehttps://aifitlab.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Weightweight
valuemeasured at With or without brake with brake · Reduction ratio 45
as printed 25.1 Kg25.1 kg
source sentenceMass (With Brake) 25.1 Kg
sourcehttps://aifitlab.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Insulation classinsulation_class
valuemeasured at Reduction ratio 45
Class F
source sentenceInsulation Class Class F
sourcehttps://aifitlab.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
IP ratingip_rating
valuemeasured at Reduction ratio 45
Fully enclosed cooling type (IP65)
source sentenceProtection Rating Fully enclosed cooling type (IP65)
sourcehttps://aifitlab.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Reduction ratioreduction_ratio
value
as printed 4545
source sentenceGear Ratio 45
sourcehttps://robotopian.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Peak torquepeak_torque
valuemeasured at Reduction ratio 45
as printed 840 N.m840 N·m
source sentencePeak Torque (AC) 840 N.m
sourcehttps://robotopian.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 45
as printed 420 N.m420 N·m
source sentenceRated Torque (AC) 420 N.m
sourcehttps://robotopian.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Max speedmax_speed
valuemeasured at Reduction ratio 45
as printed 67 rpm67 r/min
source sentenceMaximum Speed (AC) 67 rpm
sourcehttps://robotopian.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Rated speedrated_speed
valuemeasured at Reduction ratio 45
as printed 49 rpm49 r/min
source sentenceRated Speed (AC) 49 rpm
sourcehttps://robotopian.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Peak currentpeak_current
valuemeasured at Reduction ratio 45
as printed 34.60 Arms34.6 A
source sentenceMaximum Current (AC) 34.60 Arms
sourcehttps://robotopian.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Rated currentrated_current
valuemeasured at Reduction ratio 45
as printed 17.30 Arms17.3 A
source sentenceRated Current (AC) 17.30 Arms
sourcehttps://robotopian.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Torque constanttorque_constant
valuemeasured at Reduction ratio 45
as printed 24.28 N.m/Arms24.28 N·m/A
source sentenceTorque Constant (AC) 24.28 N.m/Arms
sourcehttps://robotopian.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Encoder typeencoder_type
valuemeasured at Reduction ratio 45
Absolute Encoder
source sentenceEncoder Type Absolute Encoder
sourcehttps://robotopian.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Encoder resolutionencoder_resolution
valuemeasured at Reduction ratio 45
2^23 (8,388,608) bit
source sentenceEncoder Resolution (Per Revolution) 2^23 (8,388,608) bit
sourcehttps://robotopian.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 45
240 N.m/Arcm
source sentenceTorsional Stiffness 240 N.m/Arcm
sourcehttps://robotopian.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Weightweight
valuemeasured at With or without brake without brake · Reduction ratio 45
as printed 22.7 Kg22.7 kg
source sentenceMass (Without Brake) 22.7 Kg
sourcehttps://robotopian.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Weightweight
valuemeasured at With or without brake with brake · Reduction ratio 45
as printed 25.1 Kg25.1 kg
source sentenceMass (With Brake) 25.1 Kg
sourcehttps://robotopian.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Insulation classinsulation_class
valuemeasured at Reduction ratio 45
Class F
source sentenceInsulation Class Class F
sourcehttps://robotopian.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
IP ratingip_rating
valuemeasured at Reduction ratio 45
Fully enclosed cooling type (IP65)
source sentenceProtection Rating Fully enclosed cooling type (IP65)
sourcehttps://robotopian.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Pole countpole_count
valuemeasured at Reduction ratio 45
as printed 2020
source sentenceNumber of Motor Poles 20
sourcehttps://aifitlab.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Dielectric strengthdielectric_strength
valuemeasured at Reduction ratio 45
AC 1500 V / 1 min
source sentenceDielectric Strength AC 1500 V / 1 min
sourcehttps://aifitlab.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Pole countpole_count
valuemeasured at Reduction ratio 45
as printed 2020
source sentenceNumber of Motor Poles 20
sourcehttps://robotopian.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Dielectric strengthdielectric_strength
valuemeasured at Reduction ratio 45
AC 1500 V / 1 min
source sentenceDielectric Strength AC 1500 V / 1 min
sourcehttps://robotopian.com/products/hobber-hpg-40t-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
specs 34, 34 shown

Source documents.

2 sources the values were read from

2 documents
aifitlab.com/products/hobber-hpg-40t-actuatorDistributor page · 17 valuesRetrieved 2026-08-28
robotopian.com/products/hobber-hpg-40t-actuatorDistributor page · 17 valuesRetrieved 2026-09-01
DownloadSource files are not published yet: which documents may be published is undecided.
No change
2026-08-28first collected · 2 sources
Next update2026-10-01

Change history kept

Build a joint around this part.

Put a motor, a reducer and an encoder into the slots to see whether they combine.

Check joint combinations
JOINT · HPG-40T · A · Joint Actuation
StatusNeeds checking
  • Missing specs for the joint check
  • No verdict: the specification keys it needs are not settled

To settle before a verdict

Supplier.

WRC 2026 Beijing exhibitors, and other suppliers.

HobberHobber
WRC2026-AFL-HOBBER
This supplier's parts 27Supplier page

Alternatives in preparation

Keep this part in your BOM.

When the BOM opens, you can collect parts and send one enquiry.