Backorder | Next Shipment December 2023
Brand Logo
3.9 out of 5 Customer Rating

A4040 MT/HS Micro Metal Gear HV Servo

Item No.
Spektrum - SPMSA4040
$54.99
A4040 MT/HS Micro Metal Gear HV Servo
A4040 MT/HS Micro Metal Gear HV Servo
A4040 MT/HS Micro Metal Gear HV Servo
A4040 MT/HS Micro Metal Gear HV Servo
A4040 MT/HS Micro Metal Gear HV Servo
Backorder | Next Shipment December 2023
Brand Logo
3.9 out of 5 Customer Rating

A4040 MT/HS Micro Metal Gear HV Servo

Item No.
Spektrum - SPMSA4040
$54.99
  • High Voltage (HV) capable (4.8-8.4v input range)
  • Micro size is perfectly suited for parkflyer and sport size model aircraft
  • Aluminum servo case helps keep operating temperatures low
  • Low wear and tightly meshed all metal gear train
  • Bearing supported drive train helps maximize smooth operation

Complete your product

This product may require additional items in order to work out of the box. See below for required items that may be needed to complete.

Servo Arms

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Super Strength Long Servo Arm: Spektrum 23T
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Super Strength Long Servo Arm: Spektrum 23T
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Super Strength Standard Servo Arms: Spektrum 23T
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Super Strength Standard Servo Arms: Spektrum 23T
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$13.27
Aluminum Servo Arm, 1": SPM, JR
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Aluminum Servo Arm, 1": SPM, JR
HAN9151
Next Shipment January 2024
$10.99
Aluminum Servo Arm, 1.5": SPM, JR
SPMSA4040
Aluminum Servo Arm, 1.5": SPM, JR
HAN9154
In Stock
$11.99
Aluminum Servo Arm, 2" (JR/SPM)
SPMSA4040
Aluminum Servo Arm, 2" (JR/SPM)
HAN9160
In Stock
$11.99
Aluminum Servo Arm, 2" (JR/SPM) (2)
SPMSA4040
Aluminum Servo Arm, 2" (JR/SPM) (2)
HHDHAN9160
Back Order
$19.98
Aluminum 1/2 Servo Arm 1.0"
SPMSA4040
Aluminum 1/2 Servo Arm 1.0"
SPMSP3100
Back Order
$9.99
Aluminum 1/2 Servo Arm 1.5"
SPMSA4040
Aluminum 1/2 Servo Arm 1.5"
SPMSP3101
In Stock
$9.99
Aluminum 1/2 Servo Arm 2.0"
SPMSA4040
Aluminum 1/2 Servo Arm 2.0"
SPMSP3102
In Stock
$13.99
Aluminum Double Servo Arm 2.5"
SPMSA4040
Aluminum Double Servo Arm 2.5"
SPMSP3103
In Stock
$13.99
Aluminum Double Servo Arm 3.0"
SPMSA4040
Aluminum Double Servo Arm 3.0"
SPMSP3104
In Stock
$14.99
Aluminum Double Servo Arm 4.5"
SPMSA4040
Aluminum Double Servo Arm 4.5"
SPMSP3105
In Stock
$16.99
0 of 1 Selected
Servo Extensions

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Servo Extension Lead: 3" Heavy-Duty
SPMSA4040
Servo Extension Lead: 3" Heavy-Duty
SPMA3000
In Stock
$6.99
Servo Extension Lead: 6" Heavy-Duty
SPMSA4040
Servo Extension Lead: 6" Heavy-Duty
SPMA3001
In Stock
$6.99
Servo Extension Lead: 9" Heavy-Duty
SPMSA4040
Servo Extension Lead: 9" Heavy-Duty
SPMA3002
In Stock
$6.99
Servo Extension Lead: 12" Heavy-Duty
SPMSA4040
Servo Extension Lead: 12" Heavy-Duty
SPMA3003
In Stock
$7.99
Servo Extension Lead: 18" Heavy-Duty
SPMSA4040
Servo Extension Lead: 18" Heavy-Duty
SPMA3004
In Stock
$7.99
Servo Extension Lead: 24" Heavy-Duty
SPMSA4040
Servo Extension Lead: 24" Heavy-Duty
SPMA3005
In Stock
$8.99
Servo Extension Lead: 36" Heavy-Duty
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Servo Extension Lead: 36" Heavy-Duty
SPMA3006
In Stock
$9.99
Servo Extension Lead: 48" Heavy-Duty
SPMSA4040
Servo Extension Lead: 48" Heavy-Duty
SPMA3007
In Stock
$10.99
Servo Extension Lead: 3" Standard
SPMSA4040
Servo Extension Lead: 3" Standard
SPMA3050
In Stock
$5.99
Servo Extension Lead: 6" Standard
SPMSA4040
Servo Extension Lead: 6" Standard
SPMA3051
In Stock
$5.99
Servo Extension Lead: 9" Standard
SPMSA4040
Servo Extension Lead: 9" Standard
SPMA3052
In Stock
$9.99
Servo Extension Lead: 12" Standard
SPMSA4040
Servo Extension Lead: 12" Standard
SPMA3053
In Stock
$7.99
0 of 1 Selected
Accessories

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Servo Connector Clips (25)
SPMSA4040
Servo Connector Clips (25)
SPMA3054
In Stock
$3.99
Socket Head Servo Mounting Screws (20)
SPMSA4040
Socket Head Servo Mounting Screws (20)
SPMA4042
Back Order
$3.99
Socket Head Metal Gear Servo Screws & Washers (6)
SPMSA4040
Socket Head Metal Gear Servo Screws & Washers (6)
SPMA4043
Back Order
$3.99
0 of 1 Selected
Servo Drivers

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XBC100 Smart LiPo Battery Checker & Servo Driver
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XBC100 Smart LiPo Battery Checker & Servo Driver
SPMXBC100
In Stock
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0 of 1 Selected
Product $54.99
Add Ons
Estimated Total: $54.99

A4040 MT/HS Micro Metal Gear HV Servo

Item No.
Spektrum - SPMSA4040
3.9 out of 5 Customer Rating
Product $54.99
Add Ons
Estimated Total: $54.99
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Product Details

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In The Box
  • (1) A4040 Micro Digital Servo
  • (4) Pre-installed Mounting Grommets and Eyelets With Hardware
  • (3) Plastic Servo Arms and (1) Screw
A4040 MT/HS Micro Metal Gear HV Servo
Quick Links

Features

  • High Voltage (HV) capable (4.8-8.4v input range)
  • Micro size is perfectly suited for parkflyer and sport size model aircraft
  • Class leading performance (7.0kg-cm and .094 sec/60° @8.4v)
  • Aluminum servo case helps keep operating temperatures low
  • Low wear and tightly meshed all metal gear train
  • Bearing supported drive train helps maximize smooth operation
  • Over Current and Temperature protection
  • Operating Frequency: 200hz to 333hz

A4040 HV Mid Torque High Speed Digital Micro MG Servo

The Spektrum™ A4040 digital micro, metal gear servo offers extraordinary performance for park flyer size (15-25 size) and specialty aircraft applications. High voltage capable, the A4040 can produce 7.0kg-cm (96 oz-in) of torque at 0.094 sec/60° speeds with 8.4V input. Its low-wear, metal gear drive train is powered by a coreless motor and bearing supported for smooth operation. The A4040 also features an aluminum center section case for efficient heat dissipation, plus low deadband and high resolution. Like all Spektrum servos, the A4040 delivers reliability, consistency and performance that are second to none.

Product Specifications

Deadband <1µs
Input Voltage 4.8V-8.4V
Product Application Air
Product Height 1.23" (31 mm)
Servo Type Digital
Servo Operating Voltage 4.8 - 8.4V (HV)
Programmable No
Servo Size Category Micro
Bearing Single BB
Bushing Or Bearing Bearing
Gear Type Metal
Wire Gauge 22 AWG
Connector Type Universal
Maximum Servo Speed 0.16 sec/60 deg @ 6.0V; 0.12 sec/60 deg @ 7.4V; 0.10 sec/60 deg @ 8.4V
Product Length 1.1" (28 mm)
Application Airplane
Overload Protection No
Product Weight 0.9oz (26g)
Spline Count 23 - Tooth
Water-Resistant No
Maximum Servo Torque 84 oz-in (6.05kg-cm) @ 6.0V; 91 oz-in (6.55kg-cm) @ 7.4V; 96 oz-in (7kg-cm) @ 8.4V
Product Width 0.54" (14 mm)