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Line Hone – LH2X

Angle view of a Winona Van Norman Line Hone Machine featuring a precision honing spindle, rigid machine frame, adjustable workholding system, and operator controls for restoring engine main bearing bores.

The Winona Van Norman LH2X Line Hone is engineered to restore main bearing bores to precise alignment, roundness, and size, ensuring optimal crankshaft support and long-lasting engine performance. Designed for professional engine rebuilding, remanufacturing, and high-performance machine shops, the LH2X accurately corrects bore distortion caused by heat, stress, or improper fastener torque, returning engine blocks to factory specifications. Its precision honing capabilities provide the accuracy and repeatability required for automotive, diesel, marine, and industrial engine applications.

Built for exceptional precision, the LH2X produces perfectly aligned main bearing bores that maintain proper oil clearance and uniform bearing contact throughout the engine. By restoring critical bore geometry, the machine helps reduce friction, minimize premature bearing wear, improve oil film stability, and extend overall engine life. Its rigid construction, precision honing system, and intuitive operation allow technicians to consistently achieve superior surface finishes and dimensional accuracy while improving shop efficiency and reducing rework.

Designed for years of dependable service, the Winona Van Norman LH2X combines rugged construction, precision engineering, and reliable performance to maximize productivity while delivering consistently accurate results. Whether rebuilding stock engines or high-performance powerplants, the LH2X provides the precision, repeatability, and long-term reliability professional machine shops rely on to produce superior engine rebuilds with confidence.

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Dimensions

Electrical

Production

Contact Info

Product Information

Havy-duty 0.25″ steel construction

Elevating handle is up front and near operator for quick and easy height adjustment of blocks

Heavy-duty variable speed (1 HP) industrial drive motor is mounted on torque absorbing stroke arm (120 V power requirement)

Oil drip trays on both ends of the machine prevent oil runoff floor

Adjustable block cradle accepts inline, 60-degree and 90-degree style blocks

Fron door drops down for easy access

Oil filter system keeps honing oil clean and prevents foreign material from embedding in aluminum block main bores

53 Gallon oil reservoir reduces honing oil cost, saves money and shipping on 55 Gallon drums

Mandrels protected by in cabinet storage, keeps honing oil off floor, storage easily accessed from front of the machine

Line Hone Drive Assembly

Protective Mandrel Storage Tubes (2)

20 Gallons Honing Oil

Dual oil Drip Trays

Adjustable Oil Flow Control Spray Tee

Oil Pump

Twin Oil Filtering System

V-Block Supports

Quick Clamp Hold Downs

Clamp Rods

Quick Knobs

Adapter

Features and Options

Spindle RPM
Hone:
Cradle to Cabinet Deck:
Cradle Width Capacity:
Block Width Capacity:
Max. Stroke:
Max. Cradle Weight Capacity:
Overall Dimensions:
Honing Oil Capacity:
Machine Weight:

Variable 60 – 580
1 HP
22″
56″
30″
56″
1,250 lbs.
165″ l x 48″ w x 50″ h
53 Gallons
1,200 lbs.

Demonstration

Video coming soon