Sky-Watcher CQ350 PRO Astronomy Mount

Sky-Watcher’s exciting new CQ350 PRO Synscan™ Computerised Go-To Equatorial Mount is an observatory-class platform designed for discerning astro-imagers, which is also portable enough for use in the field when paired with the optional 20939 stainless steel tripod. It's payload capacity of 35kg places the CQ350 PRO squarely between the EQ6-R and the EQ8-R PRO and with its dual-fit 45mm/75mm saddle, makes it a secure and highly capable platform for supporting a wide range of OTAs and peripheral equipment. Quiet in operation, featuring high precision belt driven stepper motors on both axes. Supplied with the Synscan computerised handset with 42,900 object database and two 10kg counterweights. An optional external polarscope is available as an accessory. The CQ350 PRO mount head is also compatible with the 20293 EQ8 Pier Tripod.

That means you can use it on your Altair SkyShed Pier with the Altair EQ8 / CQ350 adaptor plate!
 
Payload Capacity (excl. counterweights): 35kg (Rating for imaging use)
Latitude Adjustment Range: 10°-72°
Azimuth Adjustment Range:  +/- 15°
Mount Head Weight (excl. counterweights) 18.5kg, Dimensions 434mm x 176mm x 323mm
Counterweights Supplied:  2 x 10kg
Power Requirement:  DC11~16V 2A (Higher voltage preferred), 55W
Motors: Hybrid High Precision Stepper Motors (Belt Driven)
R.A. Worm Wheel Teeth: 308, DEC Worm Wheel Teeth: 288
R.A. Transmission: 308:1 Worm Drive 256 Micro-step/1.8º Stepper Motor Drive
R.A. Gear Diameter 155mm
Resolution : 55,193,600 Counts/Rev., approx. 0.023 arc-second
Maximum Slewing Speed: 4° per second
Tracking Rates:  Sidereal rate, solar rate, lunar rate
Auto-Guiding Speeds:  0.125X, 0.25X, 0.5X, 0.75X & 1X
Optional Polarscope available separately
Built-in Cable Management: Yes
Automatic Identification Initial Position Function
Dual-fit Saddle for 45mm and 75mm Dovetail Bars
Ports: 4 x USB Ports, 1 x Shutter Release Port, 1 x Power Input Port, 3 x Power Output Ports, 1 x Hand controller Port & 1 x Autoguider Port
Auto Home Function
Hand Controller Supplied: Synscan with 42,900+ Object Database
Synscan Celestial Object Catalogue: Messier, NGC, IC, SAO, Caldwell, Double-Star, Variable Star, Named Star, Planets
Control also possible with Synscan Pro Application for Windows via USB, Synscan Pro App for iOS and Android with optional Wi-Fi Dongle