Data captured: · Published: · Update delayed: this release is over 8 days old.
Photograph of the part · from feetechrc.com
1 / 1
1 / 1specs 13evidence [n]sources 1
378Reduction ratio
1
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field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Storage temperaturestorage_temperature
valuemeasured at Reduction ratio 1/378
-30℃~80℃
source sentenceStorage Temperature Range -30℃~80℃
sourcehttps://www.zennixtek.com/products/feetech-hl-3640-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Ambient temperatureambient_temperature
valuemeasured at Reduction ratio 1/378
-10℃~60℃
source sentenceOperating Temperature Range -10℃~60℃
sourcehttps://www.zennixtek.com/products/feetech-hl-3640-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Weightweight
valuemeasured at Reduction ratio 1/378
as printed 89± 1g0.089 kg
source sentenceWeight 89± 1g
sourcehttps://www.zennixtek.com/products/feetech-hl-3640-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Reduction ratioreduction_ratio
value
as printed 1/378378
source sentenceGear Ratio 1/378
sourcehttps://www.zennixtek.com/products/feetech-hl-3640-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Stall currentstall_current
valuemeasured at Rated voltage 7.4V · Reduction ratio 1/378
as printed 3.3A@7.4V3.3 A
source sentenceStall current 3.3A@7.4V
sourcehttps://www.zennixtek.com/products/feetech-hl-3640-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Rated currentrated_current
valuemeasured at Rated voltage 7.4V · Reduction ratio 1/378
as printed 850mA@7.4V0.85 A
source sentenceRated current 850mA@7.4V
sourcehttps://www.zennixtek.com/products/feetech-hl-3640-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
No-load speedno_load_speed
valuemeasured at Rated voltage 7.4V · Reduction ratio 1/378
0.22sec/60°(45RPM)@7.4V
source sentenceNo load speed 0.22sec/60°(45RPM)@7.4V
sourcehttps://www.zennixtek.com/products/feetech-hl-3640-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Torque constanttorque_constant
valuemeasured at Reduction ratio 1/378
12.0kg. cm/A
source sentenceKT 12.0kg. cm/A
sourcehttps://www.zennixtek.com/products/feetech-hl-3640-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Winding resistancewinding_resistance
valuemeasured at Reduction ratio 1/378
as printed 1.02 Ω1.02 Ω
source sentenceTerminal resistance 1.02 Ω
sourcehttps://www.zennixtek.com/products/feetech-hl-3640-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Bus ID rangebus_id_range
valuemeasured at Reduction ratio 1/378
0-253
source sentenceID range 0-253
sourcehttps://www.zennixtek.com/products/feetech-hl-3640-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Angular position resolutionangular_position_resolution
valuemeasured at Reduction ratio 1/378
as printed 0.088°(360°/4096)0.088 °
source sentenceResolution [deg/pulse] 0.088°(360°/4096)
sourcehttps://www.zennixtek.com/products/feetech-hl-3640-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Stall torquestall_torque
valuemeasured at Rated voltage 7.4V · Reduction ratio 1/378
as printed 40kg.cm@7.4V3.923 N·m
source sentencePeak stall torque 40kg.cm@7.4V
sourcehttps://www.zennixtek.com/products/feetech-hl-3640-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Bearing typebearing_type
valuemeasured at Reduction ratio 1/378
Ball bearings
source sentenceBearing Ball bearings
sourcehttps://www.zennixtek.com/products/feetech-hl-3640-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
specs 13, 13 shown
Source documents.
1 source the values were read from
1 documents
DownloadSource files are not published yet: which documents may be published is undecided.
No change
2026-09-01first collected · 1 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 combinationsJOINT · HL-3640-C001 · B · Motors
StatusNeeds checking
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- No verdict: the specification keys it needs are not settled
To settle before a verdict
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