Base Unit Price + Magnetic Attachment:

$108,695.73

Equipment prices are subject to change based on dealer location, availability, and any additional features or customizations. For the most accurate and up-to-date pricing, please contact your local dealer. Prices do not include taxes, shipping, or installation fees, which may apply depending on your region.

12 MONTHS / 1000 HOURS WARRANTY

Whichever is earlier

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K-JC 503 Mobile Mini Jaw Crusher

25 HP Diesel Engine

19″ x 12″

3/4″ to 3-1/4″

Up to 34 TPH

7,496 lb

ENGINE TYPE                      25 HP Diesel Engine

JAW SIZE                             19″ x 12″

OUTPUT SIZE                      3/4″ to 3-1/4″

PRODUCTION                      Up to 34 TPH

WEIGHT                                7,496 lb

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K-JC 503 Overview

Limited access job sites are no obstacle for the K-JC 503. Designed for contractors who want to recycle demolition, paving, construction, or landscaping material directly on-site, this compact mobile jaw crusher delivers serious performance in a small footprint. Equipped with rubber tracks and a wireless remote control, the K-JC 503 is Komplet America’s most compact jaw crusher, featuring a hydraulically adjustable 19″ x 12″ single-toggle jaw.

An integrated ultrasonic sensor above the crusher inlet automatically controls the feed belt, preventing material buildup and reducing the risk of jamming. With an adjustable output range from ¾″ to 3¼″ and production rates up to 34 tons per hour, the K-JC 503 allows operators to create reusable material on demand. Lightweight, maneuverable, and easy to transport, it helps contractors cut hauling costs, reduce landfill fees, and repurpose material directly on the jobsite. The K-JC 503 is a smart, cost-saving solution for on-site crushing where space, access, and efficiency matter most.

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PROPERTIES

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Why Choose Komplet America?

Buy direct - We ARE KOMPLET

As the official Komplet distributor, we forecast equipment and parts a year in advance to have in stock what you need when you need it.

KOMPLET CERTIFIED TECHNICIANS Network

Our team has Komplet-certified equipment training and has setup a service provider network throughout the USA to service and repair your equipment when needed.

Expert advice from Komplet specialists

Our Komplet equipment experts help you select the right equipment, and help you learn how to get the most out of your setup.

financing THAT IS FLEXIBLE

Connect with our in-house financing team at Komplet Capital to get the best rate possible or work with your own bank.

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komplet-logo-komplet-north-america
Komplet America is the official distributor of Komplet high-performance crushing, screening, and shredding equipment throughout North and Central America. We maintain a large in-stock inventory of Komplet crushers, screeners, and shredders, supported by industry-leading service and support. To minimize downtime, we stock all wear parts along with a wide range of specialty components for every model. Our experienced, knowledgeable team is committed to delivering innovative, efficient on-site recycling solutions you can rely on.

komplet-logo-komplet-north-america
Komplet America is the official distributor of Komplet high-performance crushing, screening, and shredding equipment throughout North and Central America. We maintain a large in-stock inventory of Komplet crushers, screeners, and shredders, supported by industry-leading service and support. To minimize downtime, we stock all wear parts along with a wide range of specialty components for every model. Our experienced, knowledgeable team is committed to delivering innovative, efficient on-site recycling solutions you can rely on.

WE STAND BEHIND OUR PRODUCTS

QUALITY EQUIPMENT

100% KOMPLET BACKED PRODUCTS & PARTS

FULL PARTS SUPPORT

LARGE KOMPLET PARTS INVENTORY

RELIABLE SERVICE

CLEAR, FAST, AND FRIENDLY COMMUNICATION

KOMPLET CAPITAL FINANCIAL SOLUTIONS

At Komplet America, simply selling you the right crushing and screening equipment is Never Enough. That’s why our team of finance specialists at Komplet Capital is here to help you get the most out of your investment.

KOMPLET CAPITAL FINANCIAL SOLUTIONS

At Komplet America, simply selling you the right crushing and screening equipment is Never Enough. That’s why our team of finance specialists at Komplet Capital is here to help you get the most out of your investment.
How much material can the K-JC 503 crush per hour?

This unit will crush up to 34 tons per hour, however your output production will depend on specific material types, material sizes, desired output sizes, and the overall setup and operation of the machine.

Many variables can affect the actual production rate, including:

  • Material Type: Different materials have different densities and properties, which can impact processing efficiency.
  • Material Size: The size of the input material can affect the machine’s performance. Larger pieces may require more time to process.
  • Desired Output Size: The finer the output size, the longer it can take to process the material.
  • Operation Setup: Proper setup and maintenance of the machine are crucial for achieving optimal performance.
The “up to” production rating refers to the maximum potential output a machine can achieve under ideal conditions—this includes consistent feed material (size, hardness, and moisture), skilled operator use, proper setup, and minimal downtime. For example, clean concrete with no rebar, fed at a steady rate in optimal weather, will produce higher output than mixed, wet, or irregular materials. Every job site is different, which is why we emphasize that this is not a guaranteed or average output, but a best-case scenario metric. If you’re unsure what output to expect for your application, we’re always happy to review your material and help you model realistic results.
This compact mobile crusher can crush material that is roughly 12″ to 10″ minus, down to a range of sizes from 3/4″ to 3-1/4″. Your output size can be hydraulically adjusted using the remote controller to any size within this range.
This compact mobile crusher works best with hard, brittle materials like concrete, softer stone, brick, cold asphalt, and other natural rocks. The jaw inlet opening is 19″ x 12″ so we recommend pre-processing material down to roughly 10″ minus.

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We suggest:

  • Excellent Credit (720+), 5+ years in business: 7.50% APR
  • Average Credit (680), 3 - 5 years in business: 9.9% APR
  • Higher Risk Credit (below 620), under 2 years in business: 18% APR

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