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AMC-Schou CRG-100 Cap & Rod Grinding Machine

  • Model: CRG-100
  • New Machine; Call for Pricing

The CRG-100 is a precision cap- and connecting-rod grinding machine designed for engine builders and machine shops that demand exact-fit bearing caps and rod alignments. Its purpose is to bring oversized or rough-machined caps/rods back to spec by grinding (or angle-grinding) matching faces to ensure perfect alignment and smooth assembly. Compatible with a broad range of rods and caps, this machine streamlines prep work and helps maintain accuracy – making it an essential part of a professional rebuild line when combined with line-boring or block-machining equipment.

Engine-Machining Expertise

Precision-Calibrated Machines

Industrial-Grade Reliability

Verified Accuracy & Performance

Transparent Machine Condition

Professionally Tested & Ready

Key Features

  • Cap & Rod Face Grinding – Easily grind matching faces on rods and caps to correct oversize dimensions and ensure proper fit. Supports both flat face grinding and angle grinding.
  • Versatile for Unmachined Pieces – Built to handle caps or rods with unmachined side faces, saving time on prep work before final machining.
  • Smooth Table with Linear Guides – Grinding table rides on ball-bearing guides for smooth, precise linear motion during setup and grinding cycles
  • Adjustable Setup & Clamping System – Comes with a setup device that clamps on the original bore, plus a pivotable, tiltable setup table for flexible orientation. Great for varying part geometries.
  • Grinding Wheel Slide with Scale – Built-in wheel slide and lead screw with scale for accurate, controlled material removal.
  • Compact Footprint & Manageable Size – Relatively small machine suitable for most shop benches or floors, easy to integrate even in smaller shops.
Specification Value
Max. Cap Outside Dimension 10.83″ (275 mm)
Max. Cap Width 3.94″ (100 mm)
Grinding Wheel Diameter 7″ (≈ 180 mm)
Grinding Wheel Motor ¾ hp (≈ 0.55 kW), 2,800 rpm
Machine Height 12.2″ (310 mm)
Total Length 29.9″ (760 mm)
Total Width 21.7″ (550 mm)
Approx. Shipping Weight 264 lbs (≈ 120 kg)

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  • How We Work

How We Deliver Precision, Reliability & Support

We make equipment decisions easy. Clear answers, accurate recommendations, and support from people who know the industry.

01

Fast, Expert Response

When you reach out, you get answers quickly - not generic replies.

02

Precision Recommendations Built on Experience

Backed by 50+ years in engine machining and reconditioning.

03

Smooth Purchasing & Transparent Communication

No surprises, no unclear timelines.

04

Delivery, Setup & Ongoing Support

Your machine’s long-term performance is our priority.

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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.