Mach1 Upgrades & Parts

Astro-Physics

GTOCP4 Control Box for all GTO Mounts, except Mach2GTO. Order new 2-Pin power cable (GTOCP4)

All GTO mounts(except the Mach2GTO) produced since 1998 can be easily upgraded!!! The GTOCP4 Up

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GTO Keypad with Keypad Protector - for GTOCP1, GTOCP2 and GTOCP3 Control Boxes. Serial # of mount required for purchase. (KEYVFK)

This Keypad should only be purchased for use with the GTOCP1, GTOCP2 and GTOCP3 control boxes. This

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GTO Keypad with Keypad Protector for GTOCP4 and GTOCP5 Control Boxes. Serial # of mount required for purchase. (KEYVFK2)

This Keypad should only be purchased for use with the GTOCP4 and GTOCP5 control boxes with version P

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Right-Angle Polar Alignment Scope Adapter for Mach1GTO Mounts (RAPM1)

Note: This adapter is not needed for the Mach1GTO mounts shipped beginning in 2014 (serial number M1

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Threaded Cap for Right-Angle Polar Scope Adapter (M16106-A)

We are making this cap available separately as a spare in case you lose the one included with the Ri

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EPROM Microcontroller Chip w/ V2 Version Firmware for GTOCP3 Control Box, Extraction Tool (CHIPKITV2)

If you already own the GTOCP3 control box, you may wish to consider upgrading the ROM chip to take a

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Flat Surface Adapter with Flat Pier Plate - for Mach2, Mach1, 600E and 400 Mounts to use 8" Astro-Physics Portable Piers (ADATRI-8FP)

Ever find yourself wishing that you had a bigger mount? Short of a magical spell, you can maximize t

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Flat Surface Adapter with Flat Pier Plate - for Mach2, Mach1, 600E and 400 Mounts to use 8" ATS Piers (ADATRI-8ATS)

Ever find yourself wishing that you had a bigger mount? Short of a magical spell, you can maximize t

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Counterweight Shaft Adapter with Aluminum Bronze Insert for Mach1GTO Mounts shipped since July 2014 (SM1CSA)

If your Mach1GTO mount is is frequently used as a portable mount, you may wish to consider upgrading

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13.7" x 1.875" Diameter Counterweight Shaft, Stainless Steel (M2043)

This shaft has a usable length of 13.7" and is designed to be used with our 5 lb. (5SCWT), 10 l

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Counterweight Shaft Safety Stop, One-Piece, Washerless (M12676)

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9.25" x 1.875" Diameter Counterweight Shaft Extension, Stainless Steel (M12675)

The 8.5" Counterweight Shaft Extension completes the current 1.875" diameter counterweight shaft ens

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14.5" x 1.125" Diameter Counterweight Shaft, Stainless Steel (M8084-B)

This is the standard shaft that is shipped with the Mach1GTO. It is the same diameter - 1.125" - and

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Y-Cable for Mach1GTO Mount (SM1GYCR)

It is always a good idea to have a backup Y-cable for your mount. This is particularly true for any

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Mach1GTO Precision-Adjust Rotating Base/ Hi-Res Azimuth Adjuster Upgrade Kit (M1RAUP)

The Mach1GTO Precision-Adjust Rotating Pier Base / Hi-Res Azimuth Adjuster is standard on new mounts

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Machined Safety Stop Knob. 5/16"-18 thread - For 1.125" Diameter Counterweight Shafts. (MSSKB)

You asked for it … now we’ve got it! The Mach1GTO’s counterweight shaft is now &

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16.975" x 1.875" Diameter Counterweight Shaft , Stainless Steel- 1100, Mach2, Mach1, 1200, 900 (see exception) (M9404-B)

This is the current shaft for 1100 and 900 mounts. It can also be used as an optional "heavyweight"

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Extension for Pier/Tripod Control Box Adapter (Q6280KIT)

Mach2GTO, Mach1GTO, 600EGTO and 400GTO Berlebach Tripod (AWTBER2) owners rejoice!  This new Con

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Adapter to attach Losmandy HD Tripod or Tripod with Losmandy MA Top to Astro-Physics 400, 600, 1100, 900, Mach1 and Mach2 Mounts (LT2APM)

This adapter allows owners of all 400, 600E, 900, 1100, Mach1 and Mach2GTO mounts (cannot be u

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1/4-20 Machined Knob Kit, set of three black-anodized, aluminum knobs with tapered shanks (M1485KBKIT)

These "way-cool" knobs with sure-grip profile and elegantly tapered shank are CNC machined of alumin

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Power Cable Set with 2-Pin and Powerpole Connectors for GTOCP4 and GTOCP5 (CABPP4SET)

The power cable for the GTOCP4 or GTOCP5 (Mach2GTO only) can purchased as a set or the individual pa