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Hitec - HRCM7990 HRC37990S 37990S 669962379908 0669962379908
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  Tech Notes

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Hitec HS-M7990TH Digital Mega-Torque HV TG Servo
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Hitec HS-M7990TH Digital Mega-Torque HV TG Servo
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Tower Catalog Page: 194

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Customers who purchased the above product also bought:
1.  LXWCE6 Hitec HS-7950TH HV Digital Ultra-Torque Coreless Servo   149.99  Buy Now
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Tech Notes
This is the HS-M7990TH Digital, Monster Torque, Programmable Servo from Hitec.


High linearity semi permanent magnetic rotary encoder
2 cell LiPo and 6 cell NiMH compatable
Durable titanium alloy metal gears
Dual ball bearing
12bit high resolution circuirty
Programmable G2 digital amplifier with MOSFET drive (separate servo
programmer sold separately)
Ultra hardness gear shaft
4 axial metal bushings
Heat sink for motor and MOSFET
Water and dust resistant


One HS-M7990TH servo
One small aluminum single arm servo arm
One small black double servo arm
One medium black double servo arm
One large black double servo arm
One black large single servo arm
One round servo horn
Four rubber grommets
Four brass eyelets
Four 2x16.3mm mounting screws


Installing in model and connecting to control linkage and receiver


Speed: 0.21 sec/60 degrees @ 6.0V
0.17 sec/60 degrees @ 7.4V
Torque: 36.0 kg-cm (500 oz-in) @ 6.0V
44.0 kg-cm (611 oz-in) @ 7.4V
Weight: 79g. (2.78 oz.)
Dimensions: 43.8x22.4x40mm (1.72x0.88x1.57in)

lmm 7.14.10

– If you need more information, use these Hitec resources –
Web Site:
Phone: 858-748-6948
  Postal Address:
POWAY, CA 92064

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