This is a Hitec HS-7950TH Ultra Torque HV High Voltage Digital Coreless Titanium Gear Servo. The HS-7950TH has been designed for the most demanding hobby applications including the largest aircraft and monster trucks. Featuring a titanic 403 oz.in. of torque at 6.0 volts, while still maintaining a respectable 0.15 second transit time.

This is an Airtronics 94761 HV (ERS962) Standard Size High-Torque Steel Gear Coreless Digital Servo. This standard size digital servo is ideally suited for use in 1:8th scale and larger cars, monster trucks and rock crawlers. In addition to being waterproof, this servo features a coreless motor, dual ball bearings, titanium gears and an aluminum heat-sink. This is a high voltage servo, so it can be used with a 2S 7.4V battery pack to take advantage of the increased speed and torque provided by the increased voltage.