CHRIS-MARINE®

Portable Lathe / PTL

For in-situ machining of engine frame sealing surfaces on medium speed diesel engines.

  • Operating range radially 300–700 mm
  • Operating range axially down to 900 mm
  • Stepless feed for vertical and horizontal movements
  • Substantial savings due to high quality work in-situ
  • Specific mounting adapters designed for individual engine types
  • Restores all sealing surfaces in the engine frame
  • Extremely robust precision machine
  • Electrically driven

Portable Lathe / PTL

Portable Lathe / PTL

Portable Lathe / PTL

Machining intermediate liner passage in 4-stroke engine

Machining intermediate liner passage in 4-stroke engine

Machining lower liner passage in 4-stroke engine frame

Machining lower liner passage in 4-stroke engine frame

Machining upper liner passage and landing surface in 4-stroke engine

Machining upper liner passage and landing surface in 4-stroke engine

Portable Lathe for Machining of Engine Frames In-Situ

Our portable lathe for machining, PTL, is a powerful, portable lathe designed for in-situ machining of engine frames on medium-speed diesel engines. Built for precision, versatility, and durability, it ensures high-quality results while minimizing downtime and costly disassembly.

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Key Features & Benefits:

Wide Operating Range

  • Radial capacity: 300 mm to 700+ mm (extendable)

  • Axial reach: up to 900 mm

Stepless Feed

  • Smooth, adjustable vertical and horizontal movements for precise control

Versatile and Robust Design

  • Adaptable for a wide variety of engine types and applications

Custom Mounting Adapters

  • Engine-specific adapters for optimal fit and performance

Electric Drive

  • Reliable, consistent power for demanding environments

Cost-Efficient Solution

  • Delivers accurate, high-quality machining on-site, reducing time and expenses

Compatible with Leading Engine Brands:

  • Bergen

  • Caterpillar

  • MAN Diesel

  • Sulzer

  • Wärtsilä
    …and more

Why In-Situ Machining of Engine Frames Matters

Performing machining directly on installed engine frames ensures alignment accuracy, reduces downtime, and avoids the logistical challenges of disassembly and transport. It’s a smart, efficient approach for maintenance and repair, especially for large engines in marine or power plant settings.

 

Want to know more about our grinding & machining equipment? Read more here.

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Technical specification
Machine capacity Ø300 - Ø700 mm (can be extended)
Weight 290 kg
Max dimensions H: 1631 mm, Ø 350 mm
Electric power supply 3-phase 320 - 440 V 48/62 Hz
Power requirement 2.2 kW
Feeding length 120 mm