Industrial CNC Machine Directory

Koike Aronson Beetle II

$4,000 - $10,000 Updated 2026-03-17
01

Key Specifications

Machine Type

Self-propelled magnetic pipe/plate cutting machine

Cutting Processes

Oxy-fuel and plasma (universal torch mount)

Drive System

Magnetic wheel drive, self-propelled

Travel Speed Range

Approx. 5 – 100 cm/min (stepless)

Pipe Diameter Range

Approx. 100 mm (4 in) and larger (no upper limit for plate)

Torch Adjustment

Height and angle adjustment for bevel cutting

02

Overview

The Koike Aronson Beetle II is a compact, self-propelled pipe and plate cutting machine designed for pipe cutting and beveling applications in field construction, pipeline fabrication, and maintenance environments. Built as a successor to the original Beetle, the Beetle II wraps around a pipe or rides along a flat plate on magnetic wheels, maintaining a consistent cutting speed and path without a separate track. This self-guided design makes the Beetle II particularly effective for pipe work — the machine indexes itself around the pipe circumference automatically, producing square or beveled cuts perpendicular to the pipe axis with minimal operator intervention.

The Beetle II is engineered for rapid deployment in demanding field conditions. Its magnetic drive wheels adhere firmly to carbon steel pipe and plate surfaces, providing reliable traction even on vertical surfaces and in confined spaces. The drive system delivers smooth, consistent travel speed that is critical for quality oxy-fuel and plasma cuts. The machine's compact and rugged construction is designed to survive the rough handling of pipeline and petrochemical construction jobsites, where equipment is frequently transported, stored in field conditions, and operated by crews who prioritize speed and reliability over sophisticated controls.

Torch compatibility on the Beetle II follows Koike Aronson's universal mount philosophy, accommodating both oxy-fuel and plasma cutting torches. For pipe work, oxy-fuel is commonly used on thick-wall carbon steel pipe where penetration and cut face quality favor the oxy-fuel process. Plasma is preferred for thinner-wall pipe, stainless steel pipe, and when faster cycling between cuts is needed. The torch mount includes angular adjustment for bevel cutting, enabling weld prep cuts — a critical capability for pipeline construction where all girth welds require beveled pipe ends.

Sectors that rely heavily on the Beetle II include oil and gas pipeline construction and maintenance, petrochemical plant construction, shipbuilding pipe shops, power generation plant construction, and heavy industrial maintenance operations. Koike Aronson's reputation for durable, reliable portable cutting equipment — built on decades of supplying the global shipbuilding and energy construction industries — is the primary reason the Beetle family has maintained its market position against generic competitors.

03

Full Specifications

Parameter Value
Machine Type Self-propelled magnetic pipe/plate cutting machine
Cutting Processes Oxy-fuel and plasma (universal torch mount)
Drive System Magnetic wheel drive, self-propelled
Travel Speed Range Approx. 5 – 100 cm/min (stepless)
Pipe Diameter Range Approx. 100 mm (4 in) and larger (no upper limit for plate)
Torch Adjustment Height and angle adjustment for bevel cutting
Weight Approx. 6–8 kg
Power Supply 100–240V AC, 50/60 Hz
Cutting Capacity (Oxy-Fuel) Up to 100 mm thick carbon steel
Operating Surface Carbon steel pipe and plate (magnetic adhesion)
Construction Heavy-duty cast aluminum and steel housing

Specifications sourced from koike.com — verified 2026-03-28

04

Strengths & Limitations

Strengths

  • Self-guiding magnetic wheel drive eliminates the need for a separate track — machine wraps around pipe or travels on plate automatically
  • Pipe cutting and beveling capability makes it ideal for pipeline construction where weld prep is a primary operation
  • Compact and rugged design survives field construction environments with minimal maintenance
  • Dual oxy-fuel and plasma process compatibility from a single machine with universal torch mount
  • No upper limit on pipe diameter or plate size — the machine scales to any workpiece the magnetic wheels can grip

Limitations

  • Limited to ferromagnetic (carbon steel) workpieces — will not adhere to stainless steel, aluminum, or non-metallic surfaces without special fixturing
  • Not a CNC system; complex cutting profiles beyond straight cuts and bevels require a different approach
  • Cut squareness and bevel angle consistency depend on proper machine alignment and surface condition of the workpiece
05

Best For

Pipeline construction crews performing rapid square and bevel cuts on large-diameter carbon steel pipe in the field Petrochemical and power plant maintenance teams cutting pipe sections for replacement or repair in confined spaces Shipbuilding pipe shops processing large volumes of carbon steel pipe for vessel piping systems Structural steel and pressure vessel fabricators making field cuts on carbon steel plate and sections
06

Frequently Asked Questions

01 What pipe diameters can the Beetle II cut?

The Beetle II is designed for pipe diameters of approximately 100 mm (4 inches) and larger. There is effectively no upper diameter limit — the machine rides on the pipe surface via magnetic wheels and can accommodate very large-diameter pipe used in pipeline and process plant construction.

02 Can the Beetle II cut on vertical pipe or overhead?

Yes. The magnetic wheel drive provides sufficient adhesion for cutting on vertical pipe and in overhead positions, which is essential for in-situ pipeline repair and petrochemical maintenance work where pipe cannot always be positioned horizontally.

03 Does the Beetle II work on stainless steel pipe?

The magnetic drive wheels require a ferromagnetic (carbon steel) surface for adhesion. Stainless steel pipe (austenitic grades) is generally non-magnetic, which will prevent adhesion. Plasma cutting of stainless pipe with the Beetle II requires the pipe to have sufficient carbon steel content or the use of supplemental clamping.

04 What bevel angles can the Beetle II achieve?

The Beetle II's torch mount adjusts to produce bevel angles typically in the range of 0° (square cut) to 45°, covering standard weld preparation geometries including V-groove and J-groove bevel profiles used in pipeline girth weld preparation.

05 How does the Beetle II differ from the Pug 100?

The Pug 100 is a track-mounted carriage that requires a separate flexible track for guidance and is optimized for straight cuts on flat plate. The Beetle II uses magnetic self-propulsion without a track and is specifically designed for pipe cutting and circumferential cuts, making it the preferred tool for pipeline and piping work.

07

Videos

Portable oxy fuel, plasma, bevel cutting and welding machine

Portable oxy fuel, plasma, bevel cutting and welding machine

Koike Aronson Ransome

What is The IK-12 MAX Portable Cutting Machine? Video

What is The IK-12 MAX Portable Cutting Machine? Video

Koike Aronson Ransome

IK 12 Beetle Bevel Cut Demonstation

IK 12 Beetle Bevel Cut Demonstation

Koike Aronson Ransome

IK 12 Beetle Circle Cutting

IK 12 Beetle Circle Cutting

Koike Aronson Ransome

What is The IK-12 Beetle? Video

What is The IK-12 Beetle? Video

Koike Aronson Ransome

08

Community Discussions

09

Related Machines