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9imod Brushless Servo 20/30/40KG Aluminum Alloy Case Waterproof Digital Metal Gear Servo for RC Car Truck Crawler Boat Robot DIY

9imod Brushless Servo 20/30/40KG Aluminum Alloy Case Waterproof Digital Metal Gear Servo for RC Car Truck Crawler Boat Robot DIY

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Specifications

Brand Name
9imod
High-concerned chemical
None
Is Electric
No Battery
Is it battery/power supply
N
Is it charger/adapter
N
Origin
Mainland China
Is Batteries Included
No
Material
Metal
Recommend Age
14+y
RC Parts & Accs
Servos
For Vehicle Type
Cars
Use
Vehicles & Remote Control Toys
Certification
CE
Upgrade Parts/Accessories
Gear
Remote Control Peripherals/Devices
Servos
Four-wheel Drive Attributes
Assemblage
Choice
yes
semi_Choice
yes

Product Description

9imod Brushless Servo 20KG 30KG 40KG Aluminum Alloy Case Waterproof Digital Metal Gear HV Servo for RC Car Truck Crawler Boat Robot DIY

Features:

1. 6.0V ~8.4V High voltage.High performance digital High Voltage Brushless

2. Waterproof performance: waterproof,Excellent linearity, precision control

3. Equipped with Metal Gears, Aluminum alloy case, Less Noise, light weight.Dual ball bearings

4. Widely Use Digital Servo:Compatible with 1/8, 1/10, 1/12 Scale Clawer Truck, Traxxas, scx10, RC Car/Robot /Boat and other remote control models


Description:

The 9imod BLS-HV Digital Waterproof servo,adopt Brushless motor,Compared with ordinary servo, the speed is much faster and the reaction is also fast,6.0V ~8.4V Operation Voltage Range,

It's a good accessory for your RC RC Car Truck Crawler Boat Robot and DIY model toy!


Specifications:

Brand:9imod

Color:Black

Gear Material:Metal Gear

Case Material:Aluminum alloy AL6061+Nylon additive

Control System:PWM Control (1500usec in the central point)

Operation Voltage Range:6.0v ~8.4V

Operation Temperature Range:-20c°~ +60C°

Direction:Re-clock wise/ Pulse Travel 500-2500 usec

Diver type:Mos Drive

Motor Type:Brushless motor

Potentiometer Type:Direct Drive

Amplifier Type:Digital Control

Dimensions:40x20x37.3mm

Weight:69.2g (without servo horn)

Ball Bearing:2BB

Connector Wire Length: 300MMJR Plug

Dead band width:2 usec


Model:BLS-HV20KG

Standing Torque:

0.08sec/60°  15kg-cm@6.0V

0.06sec/60°  20kg-cm@7.4V

0.055sec/60° 25kg-cm@8.4V


Model:BLS-HV30KG

Standing Torque:

0.09sec/60° 25kg-cm@6.0V

0.075sec/60°30kg-cm@7.4V

0.07sec/60° 33kg-cm@8.4V


Model:BLS-HV40KG

Standing Torque:

0.1sec/60°  35kg-cm@6.0V

0.085sec/60°40kg-cm@7.4V

0.08sec/60° 43kg-cm@8.4V


Package included:

1 x Servo

1 x Servo Accessories


Note:

Only the above package content, other products are not included.

1.Due to the difference between different monitors,the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.

2.Due to the manual measurement and different measurement methods, please allow 1-3mm deviation.Thanks!


Before purchase:

1.All the goods are ready stock, we will arrange the shipment at once if we receive the order.

2.Please read the item description, if you have any question, do not hesitate to contact us.

3.No warranty,if you receive a defect item,please contact us at once with item picture.

4.Use the vouchers for more saving.


After purchase:

1.If you are satisfied,please express your use feeling.

2.Please contact us before you are going to give us bad review. We are helpful and will solve the problems. If you receive a defect item,please contact us at once with item picture or video.




Pros & Cons

Pros

  • High torque 20-40KG with brushless motor for powerful performance.
  • Waterproof aluminum case ideal for RC crawlers and boats.
  • High voltage 6.0-8.4V supports HV setups.
  • Metal gear ensures durability in RC trucks and cars.

Cons

  • No battery included, requires separate power.
  • Assembly required for some RC applications.
  • High-end for 14+y, not for beginners.
  • Weight unspecified, may affect small models.

Common Questions

What material is the 9imod brushless servo case made of?

Aluminum alloy case with digital metal gear, waterproof.

What torque options and voltage for RC servo?

20/30/40KG torque, high voltage 6.0V-8.4V.

Which RC vehicles is this servo compatible with?

For RC car, truck, crawler, boat, robot DIY.

How to use the waterproof digital servo in vehicles?

Precision control, excellent linearity; for vehicles & remote control toys.

What shipping and age recommendation for servo?

14+y recommend age, CE certified, ships from Mainland China.

Product information last updated on February 1, 2026