AMC-Schou K-1200U Crankshaft Grinder

The AMC-Schou K-1200U is a heavy-duty crankshaft grinding machine built for engine rebuild shops, performance shops, and garages needing a robust grinder for small- to medium-size crankshafts. With a 1200 mm (47.2″) max distance between chucks and 460 mm (18″) swing-over-table capacity, it handles most automotive and light-duty diesel crankshafts comfortably. Its rugged cast-iron foundation, hydraulic drives for headstock and wheel slide, and over-dimensioned bearings ensure stable, vibration-free grinding — ideal for consistent journal finishes, accurate diameter control, and long-term reliability.

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Key Features

  • Standard-Ready Package — Includes universal chucks, steady rest, crank-centering gauge, wheel balancing arbor, coolant system, splash guards, wheel & hub, and all setup accessories — ready for grinding as soon as it’s installed.
  • Flexible Capacity — Maximum between-chuck length 1200 mm (47.2″), swing-over-table 460 mm (18″), and supports workpiece diameters up to 410 mm (16″) with a new grinding wheel.
  • Hydraulic & Smooth Operation — Hydraulic wheel-slide, tailstock, and headstock (on “U”-type) provide steady, backlash-free movement; antifriction coatings on guideways reduce stick-slip and improve longevity.
  • Precise & Versatile Grinding — Stepless workpiece rotation (approx. 20–100 rpm), rapid wheel slide travel (up to 3000 mm/min), and adjustable table/traverse speed give flexibility for different crankshaft sizes and required surface finishes.
  • Durable Construction — One-piece cast-iron bed, over-dimensioned bearings in headstock/tailstock, pre-loaded ball-screws and nuts — built to withstand heavy shop use over many years.
  • Compact Footprint for Shop Floors — Compared to larger “U-style” grinders, the K-1200U offers significant capacity in a relatively manageable package — ideal for smaller shops or rebuilders upgrading their grinding capability without needing massive floor space.
Specification Value
Max Distance Between Chucks1200 mm (47.2″)
Max Distance Between Centres1220 mm (48″)
Swing Over Table460 mm (18″)
Max Stroke (twice offset of centres)160 mm (6.3″)
Max Workpiece Diameter (new wheel)410 mm (16″)
Max Workpiece Diameter (with chucks)155 mm (6″)
Max Workpiece Weight Between Chucks400 kg (≈ 880 lb)
Workpiece Rotation Speed20–100 rpm (stepless)
Table Traverse Speed (manual)5 mm/rev (0.2″/rev)
Table Traverse Speed (stepless)5–4,000 mm/min (0–158″/min)
Wheel Slide Rapid Movement3,000 mm/min (118″/min)
Grinding Wheel Diameter660 mm (26″)
Grinding Wheel Width (min / max)19–50 mm (0.75–2.0″)
Grinding Wheel Motor Power4.0 kW (≈ 5.5 hp)
Hydraulic Power Unit (wheel slide / headstock / tailstock)2.2 kW (≈ 3 hp)
Coolant Pump Motor0.16 kW (≈ 0.21 hp)
Machine Height (floor to spindle center)1120 mm (44″)
Machine Height1475 mm (58″)
Footprint (approx.)2950 × 1750 mm (116.1″ × 68.9″)
Net Machine Weight (approx.)3300 kg (≈ 7,260 lb)

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01

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02

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Built on Real Engine-Rebuilding Experience

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.