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The Rottler FA-4B is part of Rottler’s well-known FA series — robust, precise, and designed for high-volume cylinder boring. Offering rigid construction, power-driven feed systems, and broad block compatibility, the FA-4B is well-suited for automotive and diesel engine rebuilding.
As a used machine, the FA-4B provides exceptional value for shops seeking serious boring capability without the expense of a modern CNC system. Its simplicity, durability, and repeatability make it a long-term workhorse for engine block machining.
Heavy-Duty Boring Capability for automotive and diesel blocks
Rottler’s Rigid Spindle Design ensures accuracy and roundness
Power Feed System improves consistency and cutting speed
Large Table Capacity supports inline and V-block setups
Proven FA-Series Durability — many units remain in service for decades
Perfect Mid-Budget Upgrade for shops that want serious boring capability
| Specification | Value |
|---|---|
| Model | Rottler FA-4B Cylinder Boring Machine (Used) |
| Boring Diameter Range | Approx. 2.00" – 7.50" (tooling dependent) |
| Spindle Travel | Approx. 24"+ depending on configuration |
| Table Capacity | Automotive, light-diesel, and small industrial blocks |
| Feed System | Powered feed for consistent cutting |
| Machine Construction | Heavy cast-iron frame for vibration control |
| Notes | Tooling package determines full capability |
Tell us what you need, and we’ll send you a quick and accurate estimate — no hidden fees, no obligations.
We make equipment decisions easy. Clear answers, accurate recommendations, and support from people who know the industry.
When you reach out, you get answers quickly - not generic replies.
Backed by 50+ years in engine machining and reconditioning.
No surprises, no unclear timelines.
Your machine’s long-term performance is our priority.
Decades before today’s engine shops trusted our equipment, Tony was already deep in the craft — rebuilding motors, machining blocks, and pushing for better precision.
A local newspaper once featured him as a standout young machinist, noting his drive, attention to detail, and obsession with doing things the right way. That same passion would eventually shape our company’s values.
Today, that commitment lives on in every machine we sell, every customer we support, and every shop we help succeed.