Data captured: · Published: · Update delayed: this release is over 8 days old.
Series reference image, not this exact model · from harmonicdrive.net
1 / 1
1 / 1specs 19evidence [n]sources 2
No verified public price. Request a quotation from the seller.
1200 N·mAllowable average load torque
3520 N·mAllowable start/stop torque
12 N·mBackdriving torque
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
Allowable average load torqueallowable_average_load_torque
value
as printed 1,2001200 N·m
source sentenceLimit for Average Torque 1,200 Nm
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpgp-planetary-gearbox/65/hpgp-65a-4 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
Allowable start/stop torqueallowable_startstop_torque
value
as printed 3,5203520 N·m
source sentenceLimit for Repeated Peak Torque 3,520 Nm
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpgp-planetary-gearbox/65/hpgp-65a-4 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
Backdriving torquebackdriving_torque
value
as printed 1212 N·m
source sentenceBackdriving Torque 12 Nm
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpgp-planetary-gearbox/65/hpgp-65a-4 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
Transmission accuracytransmission_accuracy
value
as printed 33 arcmin
source sentenceStandard Accuracy 3 arc min
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpgp-planetary-gearbox/65/hpgp-65a-4 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
Allowable start/stop torqueallowable_startstop_torque
valuemeasured at Reduction ratio 04
as printed 3,5203520 N·m
source sentenceHPGP-65A-4 65 230 04 665 1,150 3,520 4,500 2,500 < 3 < 1 12 3 22 130 364 8,860 13,200
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpgp-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backdriving torquebackdriving_torque
valuemeasured at Reduction ratio 04
as printed 1212 N·m
source sentenceHPGP-65A-4 65 230 04 665 1,150 3,520 4,500 2,500 < 3 < 1 12 3 22 130 364 8,860 13,200
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpgp-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Transmission accuracytransmission_accuracy
valuemeasured at Reduction ratio 04
as printed 33 arcmin
source sentenceHPGP-65A-4 65 230 04 665 1,150 3,520 4,500 2,500 < 3 < 1 12 3 22 130 364 8,860 13,200
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpgp-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
valuemeasured at Reduction ratio 04
as printed 2222 kg
source sentenceHPGP-65A-4 65 230 04 665 1,150 3,520 4,500 2,500 < 3 < 1 12 3 22 130 364 8,860 13,200
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpgp-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Reduction ratioreduction_ratio
value
as printed 044
source sentenceHPGP-65A-4 65 230 04 665 1,150 3,520 4,500 2,500 < 3 < 1 12 3 22 130 364 8,860 13,200
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpgp-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 04 · Rated life basis Rated Torque L10
as printed 665665 N·m
source sentenceHPGP-65A-4 65 230 04 665 1,150 3,520 4,500 2,500 < 3 < 1 12 3 22 130 364 8,860 13,200
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpgp-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 04 · Rated life basis Rated Torque L50
as printed 1,1501150 N·m
source sentenceHPGP-65A-4 65 230 04 665 1,150 3,520 4,500 2,500 < 3 < 1 12 3 22 130 364 8,860 13,200
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpgp-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Peak torquepeak_torque
valuemeasured at Reduction ratio 04
as printed 4,5004500 N·m
source sentenceHPGP-65A-4 65 230 04 665 1,150 3,520 4,500 2,500 < 3 < 1 12 3 22 130 364 8,860 13,200
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpgp-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Max input speedmax_input_speed
valuemeasured at Reduction ratio 04
as printed 2,5002500 r/min
source sentenceHPGP-65A-4 65 230 04 665 1,150 3,520 4,500 2,500 < 3 < 1 12 3 22 130 364 8,860 13,200
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpgp-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backlashbacklash
valuemeasured at Backlash grade Gear Backlash · Reduction ratio 04
< 3
source sentenceHPGP-65A-4 65 230 04 665 1,150 3,520 4,500 2,500 < 3 < 1 12 3 22 130 364 8,860 13,200
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpgp-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backlashbacklash
valuemeasured at Backlash grade Gear Backlash Reduced · Reduction ratio 04
< 1
source sentenceHPGP-65A-4 65 230 04 665 1,150 3,520 4,500 2,500 < 3 < 1 12 3 22 130 364 8,860 13,200
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpgp-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 04 · Stiffness region K1 Torsional Stiffness
as printed 1301300000 N·m/rad
source sentenceHPGP-65A-4 65 230 04 665 1,150 3,520 4,500 2,500 < 3 < 1 12 3 22 130 364 8,860 13,200
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpgp-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Output moment stiffnessoutput_moment_stiffness
valuemeasured at Reduction ratio 04
as printed 3643640000 N·m/rad
source sentenceHPGP-65A-4 65 230 04 665 1,150 3,520 4,500 2,500 < 3 < 1 12 3 22 130 364 8,860 13,200
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpgp-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Radial loadradial_load
valuemeasured at Reduction ratio 04
as printed 8,8608860 N
source sentenceHPGP-65A-4 65 230 04 665 1,150 3,520 4,500 2,500 < 3 < 1 12 3 22 130 364 8,860 13,200
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpgp-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Axial loadaxial_load
valuemeasured at Reduction ratio 04
as printed 13,20013200 N
source sentenceHPGP-65A-4 65 230 04 665 1,150 3,520 4,500 2,500 < 3 < 1 12 3 22 130 364 8,860 13,200
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpgp-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
specs 19, 19 shown
Source documents.
2 sources the values were read from
2 documents
harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpgp-planetary-gearboxMaker's document · 15 valuesRetrieved 2026-09-08
harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpgp-planetary-gearbox/65/hpgp-65a-4Maker's document · 4 valuesRetrieved 2026-09-06
DownloadSource files are not published yet: which documents may be published is undecided.
No change
2026-09-06first collected · 2 sources
Next update2026-10-01
Change history kept
Build a joint around this part.
Once the family is set, this part can go into a joint.
Check joint combinationsJOINT · HPGP-65A-4 · Unclassified
StatusNot applicable
- Family not yet set
To settle before a verdict
Supplier.
WRC 2026 Beijing exhibitors, and other suppliers.
This supplier's parts 1,815Supplier page
Alternatives in preparation
Keep this part in your BOM.
When the BOM opens, you can collect parts and send one enquiry.