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The Sunnen MBC-1803 is a versatile, heavy-duty cylinder honing machine designed for engine blocks, sleeves, and large bores — suitable for automotive, diesel, and industrial cylinder work. As a used unit, the MBC-1803 offers shops a cost-effective way to add professional-level honing capability, enabling precise cylinder sizing, finish control, and bore consistency without the higher cost of a new machine.
With robust build quality, adaptable tooling, and capability for a wide range of bore sizes, the MBC-1803 is ideal for shops performing cylinder re-honing, remanufacturing, or rebuild work — whether for small-block gasoline engines or larger diesel/industrial applications.
Wide Bore Capacity & Versatility — Capable of handling small to large bores depending on tooling, giving flexibility for mixed workloads (automotive, diesel, industrial).
Precision Honing for Cylinder Blocks & Sleeves — Produces consistent roundness, taper control, and surface finish suited for modern engine rebuilds and remanufacturing standards.
Heavy-Duty, Shop-Grade Construction — Built with durable frame, sturdy spindle and feed mechanisms, designed to withstand frequent use and the stresses of heavy shop work.
Tooling Flexibility — Compatible with a variety of honing stones, sleeves, and rods — allowing for cast iron, steel, and alloy bore work across different engine types and sizes.
Ideal for Engine Rebuilding & Reman Work — Perfect for engine blocks, sleeves, industrial cylinders, and heavy-duty applications where consistent bore finish and geometry are critical.
Cost-Effective Used Machine Option — Buying used gives you full honing capability at lower cost, enabling expansion of shop services or capacity without the investment of a new machine.
| Specification | Value |
|---|---|
| Model | Sunnen MBC-1803 Honing Machine (Used) |
| Machine Type | Cylinder block / sleeve honing machine |
| Bore Capacity | Small to large bores (depending on tooling used) |
| Suitable Workpieces | Engine blocks, sleeves, industrial cylinders, large-bore housings, custom cylinders |
| Tooling Compatibility | Wide range of honing stones, sleeves, rods — suitable for cast iron, steel, alloy bores |
| Construction | Heavy-duty frame, robust spindle & feed components, shop-duty build quality |
| Applications | Automotive, diesel, industrial engine rebuilds, cylinder re-honing, remanufacturing, overhaul work |
| Ideal Users | Engine rebuild shops, diesel reman shops, heavy-duty rebuilders, machine shops handling mixed workloads |
| Advantages | Versatile bore capacity, proven honing performance, cost-efficient used option, broad tooling support |
| Limitations / Notes | As a used machine: inspect wear parts, stones/sleeves, seals, and tooling before use for consistent results |
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.