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Cap and Rod Grinder CRGX

Angle view of the Winona Van Norman Cap and Rod Grinder designed for precision machining of connecting rod caps and mating surfaces.

The Winona Van Norman CRGX Cap & Rod Grinder is engineered to deliver exceptional precision when resurfacing the mating faces of connecting rods and main bearing caps. Designed for professional engine rebuilding, remanufacturing, and high-performance machine shops, the CRGX restores critical mating surfaces to factory specifications, ensuring proper bearing crush, housing bore geometry, and accurate engine assembly. Its high-precision grinding capabilities make it an ideal solution for shops that demand the highest level of accuracy and consistency.

Built for precision and efficiency, the CRGX quickly adjusts to the original mating surfaces, allowing operators to achieve fast setup times while maintaining exceptional machining accuracy. The machine produces perfectly flat, uniform mating surfaces that are essential for subsequent rod resizing, line boring, and line honing operations. Its rigid construction and precision grinding system provide smooth, controlled material removal, ensuring repeatable results across a wide variety of automotive, diesel, marine, and industrial engine components.

Designed for long-term reliability and dependable performance, the Winona Van Norman CRGX combines rugged construction, precision engineering, and user-friendly operation to maximize productivity while minimizing rework. Whether restoring connecting rods or main bearing caps, the CRGX delivers the accuracy, repeatability, and durability professional machine shops rely on to produce superior engine rebuilding results every day.

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Dimensions

Electrical

Production

Contact Info

Product Information

This grinder will do caps up to 4″ high and 17″ long. Work table is 12″ square. Readily grinds ends of caps after welding for better fit in block. Stone angle adjusts in seconds for quick set-up. No shimming is required.

The setup is very quick. Place the magnetic straight edge on the table face, then place cap or rod against surface and tighten down. The stone can be dressed before and / or during the grinding operation as required. The
diamond dresser is mounted on the side of the actual work table. This same operation can be used on overhead Cam caps.

This grinder will do caps measuring up to 4’’ in height and up to 17’’ in length.
The work table is 12” square. Readily grinds ends of caps after welding for better fit in block.
Stone angle adjusts in seconds for quick set-up.
No shimming is required.

Grinds 12-V-149 DDA, 398 CAT, 12 & 16 KV Cummins in less than 5 minutes. Operates dust free with built-in vacuum system.

818147 : CBN milling head assembly

810131 : Clamp bar 28″

801141 : Coolant additive (1Gal)

810227 : Cylinder head mounting plate

818110 : Dial indicator assembly

810529 : Grinding wheel dresser

812997 : Hold down assembly

862630 : Parallel set, 6″

810149 : Rollover bar 34″

812999 : Rollover jack set

813000 : Rollover mounting blocks

150554 : Starrett level, 8″

555127 : Straight edge

818356 : Tooling package

121252 : Way lubricant (1 Gal)

863013 : Wheel balancing arbor

Features and Options

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Description

Demonstration

Video coming soon