Komatsu D39EX/PX-24 Crawler Dozer

Includes change-on-the-fly work modes that match power to work conditions and an efficient hydrostatic transmission that helps burn up to 5% less fuel

Komatsu America Corp.
Komatsu D39PX 24 action 2 5872b4350973a

The D39EX/PX-24 crawler dozer is a smooth, powerful, quiet machine for light to medium dozing and fine grading and other applications.

  • 105-hp SAA4D95E-7 3.26L, Tier 4 Final-certified engine with a water-cooled, variable flow turbocharger
  • Auto-idle shutdown and economy modes help reduce idle time and save fuel
  • Standard, operator-selectable, automatic reverse grading mode enables automatic blade control
  • Triple Labyrinth final drive and cover design provide improved protection from mud and debris
  • Choice between quick-shift, three-speed mode and a variable, 20-speed customizable transmission mode
  • Proprietary engine and hydrostatic transmission technology improves machine efficiency and cuts fuel consumption
  • Level 5 KOMTRAX telematics system and monitor provide key machine metrics, plus offer Operator ID to view data by job, application or operator
  • Large, multi-lingual, 7-in., high-resolution LCD monitor with Ecology Guidance
  • Standard rear-view monitoring system
Fill out the form below to request more information about Komatsu D39EX/PX-24 Crawler Dozer
Latest in Dozers
Protecting Your Portable Compressors Year Round
Sponsored Content
Protecting Your Portable Compressors Year Round
November 1, 2025
Jd 700 P Tier Dozer
John Deere Unveils 850 X-Tier Dozer and Upgrades to P-Tier Lineup
August 18, 2025
The Power Behind the Arc: Why Professionals Trust Vanguard®
Sponsored Content
The Power Behind the Arc: Why Professionals Trust Vanguard®
November 1, 2025
D5 Malaga 19 0421
Archived webinar
Cut the Waste, Fill the Gaps
Related Stories
Hqdefault 5d545321a0b6c
Earthmoving Equipment
[VIDEO] Restoring One of the World's Largest Dozers: 1950 HD19 Allis Chalmers
[Video] Cat Grade Control 3D and Other Technologies Enhance Grading Capabilities
Machine Grade Control, GPS, Laser & Other
[VIDEO] Cat Grade Control 3D and Other Technologies Enhance Grading Capabilities
[Video] Caterpillar GRADE with 3D Technology Helps Move 5 Million Cubic Yards of Earth
Earthmoving Equipment
[VIDEO] Caterpillar Grade with 3D Technology Helps Move 5 Million Cubic Yards of Earth
Muscle Meets Mobility: We Look at Takeuchi's TB395W Wheeled Excavator
Sponsored Content
Muscle Meets Mobility: We Look at Takeuchi's TB395W Wheeled Excavator
More in Dozers
Earthmoving Equipment
Caterpillar Unveils Next Generation of Articulated Trucks
Caterpillar - Cat
Caterpillar’s new articulated truck lineup adds smarter automation, upgraded safety features and redesigned bodies.
Cat Articulated Trucks
Sponsored Content
The Power Behind the Arc: Why Professionals Trust Vanguard®
Briggs and Stratton (Vanguard)
Your reputation is built on every weld. Read how Vanguard engines deliver the durable power and support that protects your bottom line.
The Power Behind the Arc: Why Professionals Trust Vanguard®
Equipment
John Deere Unveils 850 X-Tier Dozer and Upgrades to P-Tier Lineup
John Deere Worldwide
John Deere launches the 850 X-Tier Dozer with electric drive and enhanced operator features, while upgrading 700, 750, and 850 P-Tier models with next-gen grading tech.
Jd 700 P Tier Dozer
Webinars
Cut Trenches, Not Corners
Caterpillar experts break down how the right equipment setup can help you dig faster, work safer and hit grade with confidence.
Caterpillar
Earthmoving Equipment
Cut the Waste, Fill the Gaps
Caterpillar experts share how smarter choices in overburden removal can not only help to overcome today's top challenges, but also pay off for your business in the long run.
Speakers: Lonnie Fritz, ; Jason Hurdis,
D5 Malaga 19 0421
Fleet News
5 New CASE Machines Focus on Helping Construction and Utility Crews Take on Complex Jobs More Efficiently
CASE Construction Equipment - CNH
CASE is bringing 5 new machines to their lineup — plus new upgrades.
Case
Earthmoving Equipment
AEM Hosts Celebration of Construction on the National Mall
Association of Equipment Manufacturers (AEM)
Taking place in Washington, D.C., May 14-16, 2025, the event unites policymakers and OEMs, including Bobcat Company, Liebherr and other major manufacturers, for a show of advocacy and innovation, exhibiting new emissions technology, alternative power sources, worker safety enhancements and more.
Open to the general public, the AEM event gathers policymakers, equipment manufacturers and other industry professionals to host discussions on critical regulations with industry stakeholders and agency officials.
Dozers
Trimble & Liebherr Bring Advanced TEch to PR 776 Gen. 8 Bulldozers
Liebherr USA, Co.
The new line of Liebherr PR 776 Generation 8 bulldozers will have a factory option of Trimble Ready, streamlining onsite installation of Trimble Earthworks grade control platform.
Lru Print 2016 Pr776 Sds Kemerovo Hero 002v2 (1)
Earthmoving Equipment
60+ Earthmoving Products for Your Next Project
Check out Equipment Today's roundup of the latest equipment launches to maximize your earthmoving efforts, including excavators, wheel loaders, backhoe loaders, skid steers, dozers, compact track loaders and more.
John Deere's new 824 X-Tier loader features the John Deere Electric Variable Transmission (EVT) E-Drive system. It is equipped with a JD9 diesel engine as the primary power source, however, the torque converter and traditional transmission have been replaced by the EVT system. In addition, the E-Drive component provides instant power, while simplifying operation and reducing complexity.
Equipment
Equipment Today Releases 2025 Annual Equipment Showcase
Designed to highlight hundreds of next level solutions for challenge construction jobsites, this year's showcase delivers the top equipment solutions in eight main categories, all aimed at improving your business and its jobsite operations.
Equipment Today's Annual Equipment Showcase highlights hundreds of today's latest product releases in earthmoving, attachments, lift equipment, worksite equipment, fleet maintenance, trucks and transportation, roadbuilding, and technology.
Dozers
HOLT CAT and Caterpillar Unveil Centennial Special Edition Dozer
Caterpillar - Cat
Caterpillar and HOLT CAT released a 100th anniversary dozer - the 2025 D3 Dozer.
Img 7713
Dozers
John Deere Introduces New 850 X-Tier Dozer and P-Tier Model Enhancements
John Deere
The new 850 X-Tier Dozer brings increased power, performance and sustainability, while the 700, 750 and 850 P-Tier Dozers upgrades improve jobsite productivity, reduce fuel consumption, and enhance operator comfort with SmartGrade technology.
The 850 X-Tier utilizes dual path electric drive technology for added simplicity over traditional drivetrains and optimizes torque delivery and reduces machine complexity.
Construction Technology
Trimble Debuts Worldwide Technology Outlet Strategy With SMS Equipment, Inc.
Trimble Inc.
As the first Trimble Technology Outlet, SMS Equipment, Inc. will sell Trimble's equipment technologies directly to customers across the globe. Trimble Technology Outlets are a new part of Trimble’s evolving civil construction distribution strategy.
As a Trimble Technology Outlet, SMS Equipment will now sell Trimble grade control, site positioning systems and correction services technology directly to SMS Equipment customers using dozers, excavators, compactors and compact machines from trusted brands like Komatsu, BOMAG and Takeuchi.
Page 1 of 34
Next Page