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



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