Used Prep/Master Jr Grinder — Refurbished

🖼️ Photos coming soon — call for current details and pricing..

A Fully Refurbished Prep/Master Jr. at a Great Value

Want the performance of our popular Prep/Master® Jr. without the price of new? This Prep/Master Jr. 23″ concrete floor grinder, built in 2018, has been completely refurbished by our own factory-trained technicians and is ready to get back to work. You get a proven, production-ready grinder — backed by our expertise and a warranty — at a used-equipment value.

Because we sell and service these machines ourselves, nobody knows the Prep/Master Jr. better. This one has been thoroughly inspected and reconditioned in our shop — it’s not a worn-out, as-is machine, but a quality grinder we stand behind.

Why Buy This Refurbished Machine?

• Completely refurbished — reconditioned in-house by the people who know these machines best
• 90-Day Warranty — we stand behind our refurbished equipment
• Proven Prep/Master Jr. performance — our customers’ favorite compact grinder
• Great value — the capability you want at a used-equipment price
• Backed by real support — genuine parts, expert service, and people who know these machines inside and out

About the Prep/Master Jr.

The Prep/Master® Jr. is our compact, maneuverable 23″ grinder — a favorite for small-to-medium floors, garages, basements, and the tight spaces where bigger machines can’t go. With roughly 60% of its weight over the grinding head, it delivers heavy head pressure for an aggressive grind and polish, while staying easy to transport and operate. It handles concrete grinding and polishing, coating and adhesive removal, terrazzo, and more.

• Model: Prep/Master® Jr.
• Working Width: 23″ (58 cm)
• Year Built: 2018
• Condition: Fully refurbished
• Warranty: 90 days
• Great for: garages, basements, small-to-medium floors, detail and edge work

Need Tooling to Go With It?

We can set you up with the diamond tooling to match — just ask. Pair this grinder with a dust collector and the right diamond tooling for a complete setup.

Interested? Don’t Wait — Used Equipment Moves Fast

Quality refurbished machines like this don’t last long. If you’re interested in this Prep/Master Jr., reach out today to get current pricing, details, and availability.

📞 Call (815) 941-4800 x 1 or fill out our contact form. Browse our other used equipment, or see the new Prep/Master Jr..