Diamond GTXR-23

SKU HM-750-012-754-10

The Perfect Balance of Power and Simplicity

More Power: 23 HP Air Cooled Engine – Briggs & Stratton® Vanguard™ Air Cooled Engine.

Quieter Performance: Opti-Air® Flow System – Reduces noise resulting in the quietest machine in its class.

Patented Heat Control System – ADC Control Diverter valve manages heat for more consistent temperature delivery and far less water dumping.

Compact Opti-Air® Flow System – Reduces noise resulting in the quietest machine in its class.

Simpler Maintenance – “Arms-length” design and removable panels allow easy access to crucial components and serviceable parts, including the heat exchanger.

Quieter Performance Vacuum
– Helical gear splash lube tri-lobe blower produces 350+ CFM resulting in faster drying carpet and floors.

Call us 916-339-3033 to learn more about our promotional pricing, discounts and financing options.

Standard Features

  • Perfect balance of power and price
  • Based on the proven track record of the industry’s top selling truckmount
  • More power through increased engine horsepower
  • 235°F Maximum Temperature
  • Compact design maximizes available floor space in van
  • Improved serviceability by providing easier accessibility to crucial components
  • OPTI-AIR™ flow system makes the machine quieter
  • Heat control system provides for less water usage (reduced bypass dumping) and more consistent temperature performance during intermittent wand use

Standard Equipment

  • Runtime hour meter
  • Chemical flow meter (0-10 gph)
  • Chemical flow control valve
  • Vacuum gauge (0-30″ Hg)
  • Solution pressure gauge (0-2500 psi)
  • Solution pressure adjustment
  • Pre-wired pump-in switch
  • Pre-wired AWDS/APO Switch
  • Fresh water inlet
  • Water system drain valve
  • Engine choke
  • Engine throttle
  • Electrical circuit protection (resettable)
  • Solution temperature control selector
  • 5 gallon chemical jug
  • Battery box
  • Van decal
  • Van installation kit
  • Operation and maintenance manual (CD)


  • High Pressure Kit – gun and hose
  • Exhaust Thru Floor Kit
  • DriMaster Upholstery Tool
  • RX-20 Rotary Extraction Tool
  • AWDS (Automatic Wastewater Disposal System)
  • 70 gallon sub-mount rotationally molded fresh water tank
  • 100 gallon MaxxAir™ recovery tank


  • Subcategory: Slide In
  • Dimensions: 24″W x 32″H x 36″D
  • Weight: 563 lbs
  • Engine: 23 HP Briggs & Stratton V-Twin Vanguard industrial series engine
  • Ignition: Electric key start
  • Vacuum Blower: 4005 Dominator™ Tri-Lobe blower, HydraMaster Exclusive
    Design, 300+ cfm, dual oil bath oil design with sight level windows
  • Pump: 4.0gpm plunger pump, 1,200 operating psi, electric clutch control
  • Max Temp: 235ºF
  • Chemical System: Stainless steel last-step chemical injection, meter controlled
  • Heating System: Finned tube heat exchanger
  • Recovery Tank: 70 gallon MaxAir™ recovery tank; aluminum, baked on powder coated finish, includes stainless steel filter and filter basket. 36 1/2″L x 10 1/2″W x 31″H, 100 lbs
  • Solution Hose Length: 100 ft x 1/4″
  • Vacuum Hose Length: 100 ft x 2″
  • Wand Capacity: Single
  • Fuel Consumption: 1.1 gph
  • Uses: Residential and Commercial



WARNING: This product can expose you to chemicals including lead and chromium, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to http://www.p65warnings.ca.gov

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