Welcome to Exapro, your destination for quality used industrial machinery. Our range includes versatile and high-performance three-knife trimmers, perfect for various applications in the printing industry.

Priced between €10,000 and €50,000, our three-knife trimmers are ideal for precision trimming of books, brochures, and other printed materials. Key features include high-speed operation, adjustable cutting sizes, automated controls, and robust construction.

We proudly feature machinery from top manufacturers such as Wohlenberg, Muller Martini, and Polar. Every piece of equipment undergoes rigorous testing and inspection to ensure top performance and longevity.

With Exapro, choosing pre-owned industrial machinery means getting the best value for your investment without compromising on quality or performance. Trust us to empower your printing operations to reach new heights of productivity. Explore our wide range today and let us help you make the best choice for your industrial needs.

Horizon HT-70 Three knife trimmer Hot deal


Max. untrimmed length 330 mm
Min. untrimmed length 148 mm
Max. trimmed length 300 mm
Max. untrimmed width 330 mm
Min. untrimmed width 105 mm
Max. trimmed width 300 mm

The Challenge CMT-330 Three knife trimmer

Year: 2009

Max. untrimmed length 330 mm
Min. untrimmed length 177.8 mm
Min. trimmed length 147.8 mm
Max. untrimmed width 241 mm
Min. untrimmed width 171.4 mm
Min. trimmed width 101.6 mm

HORIZON HT-70 Three knife trimmer

Year: 2003

Max. untrimmed length 330 mm
Min. untrimmed length 148 mm
Max. trimmed length 300 mm
Max. untrimmed width 330 mm
Min. untrimmed width 105 mm
Max. trimmed width 300 mm

Horizon HT-70 Three knife trimmer

Year: 2000

Max. untrimmed length 330 mm
Min. untrimmed length 148 mm
Max. trimmed length 300 mm
Max. untrimmed width 330 mm
Min. untrimmed width 105 mm
Max. trimmed width 300 mm

Challenge CMT-330-B Three knife trimmer

Year: 2010

Min. untrimmed length 178 mm
Max. trimmed length 307 mm
Min. trimmed length 148 mm
Min. untrimmed width 127 mm
Max. trimmed width 328 mm
Min. trimmed width 100 mm

Challenge CMT-130B Three knife trimmer

Year: 2013

Max. untrimmed length 330 mm
Min. untrimmed length 171 mm
Max. untrimmed width 241 mm
Min. untrimmed width 178 mm

Challenge CMT-330 Three knife trimmer

Year: 2005

Max. untrimmed length 330 mm
Max. trimmed length 307 mm
Max. untrimmed width 330 mm
Max. trimmed width 328 mm

CHALLENGE CMT-130B Three knife trimmer

Year: 2013

Three-sided cutter CP BOURG CHALLENGE CMT-130B from 2013 Very good condition. Date of 2013. Comes with : book feeder vertical stacker A set of two steel blades one carbide blade for CMT 130 CHALLENGE cutter Possibility to sell a Thermorelieur CP Bourg BB3002 EVA with this cutter. Min. Trimmed Book Size (spine length x book width): 5.82" x 4" / …

Used Horizon HT-30 C Three knife trimmer

Year: 2012

Max. untrimmed length 235 mm
Min. untrimmed length 200 mm
Max. trimmed length 230 mm
Max. untrimmed width 320 mm
Min. untrimmed width 134 mm
Max. trimmed width 305 mm

Sperr & Lechner Splek Hydromat Three knife trimmer

Year: 1999

Max. untrimmed length 460 mm
Min. untrimmed length 70 mm
Set of knives 3
Max. untrimmed width 350 mm
Min. untrimmed width 50 mm

Kolbus TR 160 Three knife trimmer

Year: 1999

Kolbus TR 160 splitting saw Manufacturer Kolbus Type TR 160 Year 1999 Specifications Kolbus TR 160 splitting saw, for splitting two-up book blocks of perfect bound or thread sewn books and brochures. To be used in book production ines in front of a three knife trimmer.Equipped with infeed belt from right side Maximum book size: 305 x 510 mm Minimum …

Understanding Three-Knife Trimmers in the Exapro Printing Machinery Marketplace

At Exapro, we connect professionals with top-tier industrial machinery solutions. Within our extensive offerings, the category of Printing Machines includes essential equipment such as Three-Knife Trimmers. Let’s explore what these machines entail, their importance, and why Exapro is the ideal marketplace for buying or selling them.

What are Three-Knife Trimmers?

Three-knife trimmers are specialized cutting machines used in the printing and bookbinding industry to trim three sides of a book or magazine simultaneously. These machines are designed to handle high-volume production, ensuring precision and efficiency in the final trimming process. The three-knife trimmer typically trims the top, bottom, and front edges of a stack of printed materials in one operation, creating a clean and professional finish.

Types of Three-Knife Trimmers

  1. Manual Three-Knife Trimmers: Require manual operation and adjustment, suitable for small-scale operations and lower volume production.
  2. Semi-Automatic Three-Knife Trimmers: Combine manual loading with automated trimming, ideal for moderate production volumes.
  3. Fully Automatic Three-Knife Trimmers: Fully automate the trimming process, including loading, positioning, and cutting, suitable for high-volume production lines.
  4. CNC Three-Knife Trimmers: Feature computer numerical control for precise adjustments and high-speed operation, ensuring consistent and accurate trims.

The Exapro Advantage: Buying & Selling Three-Knife Trimmers

Navigating the world of used industrial machinery can be complex, but Exapro simplifies the process. For those looking to purchase, the key benefits are manifold.


Acquiring new three-knife trimmers can be a significant financial commitment, especially for small businesses or start-ups. Through Exapro, professionals can obtain these machines at a fraction of the cost of new ones, ensuring exceptional value for money. On our platform, the price range for used three-knife trimmers typically lies between €5,000 and €50,000, reflecting the variety available in terms of age, brand, wear and tear, and additional features.

Quality Assurance

At Exapro, every listing undergoes a thorough evaluation process to ensure each piece of equipment is in excellent working condition and ready for its next operational chapter. This rigorous vetting process guarantees that even used machinery meets high standards of quality and reliability.

Market Reach

Three-knife trimmers are crucial for efficient and precise trimming operations in the printing and bookbinding industries. Whether you're looking to invest in one or sell it, Exapro offers a platform that ensures convenience, reliability, and value. Embark on the future of printing with Exapro – where tradition meets innovation.

Main Advantages of Three-Knife Trimmers

Three-knife trimmers are indispensable in the printing industry due to their numerous benefits. Here are the main advantages:

High Efficiency

These machines enable high-speed trimming of large volumes of printed materials, significantly increasing productivity and reducing manual labor.


Three-knife trimmers ensure precise and uniform trimming of books, magazines, and other printed materials, resulting in a clean and professional finish.


Modern three-knife trimmers can handle various types and sizes of printed materials, making them valuable assets for diverse printing projects.

Cost Savings

By automating the trimming process, these machines reduce labor costs and improve overall productivity, leading to cost savings in the long run.

Consistent Quality

Three-knife trimmers provide uniform and consistent trims, maintaining product quality and reducing variability in production.

Main Machine Parameters of Three-Knife Trimmers

When evaluating or understanding three-knife trimmers, several key parameters are considered to ensure they meet specific requirements. Here are the main machine parameters:

Trimming Speed

The speed at which the machine can trim books or stacks of printed materials, typically measured in cycles per minute (CPM), influencing production rates and efficiency.

Maximum Book Size

The maximum dimensions of the books or printed materials the machine can handle, affecting its versatility for different trimming tasks.

Knife Adjustment

The ease and precision of adjusting the knives, impacting the accuracy and quality of the trim.

Automation Level

The degree of automation, from manual to fully automated (CNC), impacting ease of use, repeatability, and integration into production lines.

Cutting Force

The power and efficiency of the cutting mechanism, determining the machine’s ability to handle various thicknesses and types of paper or materials.

Feeding Mechanism

The type of feeding mechanism (manual, semi-automatic, automatic) used to load the printed materials into the machine, affecting efficiency and ease of operation.

Area of Use of Three-Knife Trimmers

Three-knife trimmers, given their versatility and capacity for high-quality trimming, find application in a multitude of areas. Here’s a rundown of the primary areas of use:


Used for trimming books to ensure they have clean and even edges, enhancing their appearance and durability.

Magazine Production

Applied in trimming magazines and other periodicals to achieve a professional finish and consistent size.

Commercial Printing

Used for finishing printed products such as catalogs, brochures, and reports, ensuring they are neatly trimmed and presentable.

On-Demand Printing

Ideal for on-demand printing services where books and printed materials need to be trimmed quickly and accurately to meet customer demands.

Packaging Inserts

Applied in trimming inserts and other printed materials used in packaging, ensuring they fit perfectly and look professional.

Manufacturers of Three-Knife Trimmers

Several renowned manufacturers in the printing machinery industry are known for their quality and innovation. Here are some prominent manufacturers of three-knife trimmers:

Polar Mohr

A leading provider of cutting and finishing machinery, Polar Mohr offers advanced three-knife trimmers known for their precision and reliability.

Muller Martini

Renowned for their high-quality industrial machines, Muller Martini provides efficient and versatile three-knife trimmers for various applications.


Specializes in bookbinding and finishing machinery, offering robust and precise three-knife trimmers designed for high-performance operations.


Known for their comprehensive range of printing and finishing machines, Horizon provides reliable and efficient three-knife trimmers for the printing industry.


Offers advanced bookbinding technology, providing high-quality three-knife trimmers designed for precision and efficiency in book production.


Specializes in printing and finishing machinery, offering versatile and efficient three-knife trimmers suitable for different production environments.

When considering a purchase or researching three-knife trimmers, it's essential to look into these manufacturers' specific models, reviews, and after-sales service. Each brand has its strengths, specialties, and technological innovations that cater to different trimming requirements.


Three-knife trimmers are invaluable assets in the printing industry, offering high-quality, cost-effective, and efficient solutions for trimming books, magazines, and other printed materials. Whether for bookbinding, magazine production, commercial printing, on-demand printing, or packaging inserts, these machines ensure superior product quality and compliance with industry standards. With the support of Exapro, acquiring or selling three-knife trimmers becomes a straightforward and reliable process, allowing businesses to focus on what they do best – producing exceptional printed products