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The Onyx ZX7 Propane Concrete Polishing Machine is a powerful solution for polishing large concrete surfaces in commercial and industrial environments.
Its 27-inch polishing width and productivity of up to 34,000 sq. ft. per hour provide efficient coverage for demanding projects.
Powered by a 708cc 19 HP EPA-certified LPG engine, the ZX7 delivers reliable performance with up to 6 hours of runtime per 20 lb. propane cylinder.
Its variable 600–1,000 RPM pad speed provides precise polishing control, while the reinforced steel frame ensures durability and stability.
A floating dust containment skirt, 2.5-inch vacuum port, 8-gallon water tank, and easy pad removal make the ZX7 a practical, high-performance choice for concrete polishing contractors and facility professionals.
Key Features
27" Polishing Width: Covers large surface areas efficiently, delivering productivity rates of up to 34,000 sq. ft. per hour.
708cc 19 HP LPG Engine: Provides powerful, dependable performance with an EPA-certified propane fuel system.
Variable Pad Speed: Adjustable from 600–1,000 RPM, allowing operators to optimize polishing performance for different concrete surfaces and applications.
Heavy-Duty Reinforced Steel Frame: Powder-coated steel construction provides excellent durability, stability, and long-term reliability in demanding work environments.
Floating Dust Containment Skirt: Helps contain airborne dust and fine particles while providing compatibility with a vacuum system through the integrated 2.5-inch vacuum port.
Extended Operating Time: Provides up to 6 hours of operation per 20 lb. propane cylinder, reducing interruptions during large polishing projects.
Near Zero Emission (NZE) Ready: Designed to meet demanding environmental requirements and qualifies for Near Zero Emission contract bids, with significantly reduced emissions compared with comparable machines.
Easy Pad Removal: 27-inch pad drivers feature a convenient design for faster pad changes and simplified maintenance.
12V Electric Start: Provides quick and convenient engine starting for easier operation.
8-Gallon Water Tank: Built-in water capacity supports wet polishing applications and helps improve dust control when required.
Specifications
Working Width
27”, Dust Containment Skirt & 2.5” Vacuum Port Installed
Engine
708cc 19 HP, LPG Fuel System, EPA Certified
Pad Speed
600–1,000 RPM
Pad Size
27” Pad Drivers / Easy Pad Removal
Run Time
6 Hours Per 20 lb Cylinder
Sound Level
< 87 dBA
Ignition System
12V Electric Start
Fuel Tank
20 lb Steel with Overfill Protection Device Installed
Water Tank
8 Gallon Gravity Feed Water System
Weight
295 lbs (325 lbs shipping)
Warranty
3 Years Engine and Frame; 1 Year Components; 90 Days Wearable Parts
