DEVELON Crawler
Excavator Models

Power, Performance & Precision for Every Job

DEVELON Crawler Excavators are engineered for maximum efficiency, durability, and power, making them the perfect solution for demanding construction, mining, and excavation projects. Designed with state-of-the-art technology, these excavators provide superior digging force, fuel efficiency, and operator comfort to boost productivity on every job site.

Explore our lineup of high-performance crawler excavators tailored to meet your project’s needs.

  • DEVELON DX300LC-7 Crawler Excavator

    • Rated Horse Power (Net): 266.9 hp @ 1800 rpm
    • Operating Weight: 73,413 lb
    • Digging Depth: 23′ 11″

    • 76.1 gpm Dual Main Pump Hydraulic System
    • 87,787 lbf·ft Maximum Swing Torque
    • 77,161 lbf Maximum Traction Force
    • 44,092 lbf Bucket Digging Force (Power Boost)
    • Selectable Power Modes to balance fuel consumption and machine power
    • One-Touch Power Boost for increased hydraulic power in tough conditions
    • Enhanced Durability with extra-strong X-Chassis undercarriage and heavy-duty wear plates
    • Comfortable Cab with ergonomic joystick controls, DEVELON Smart Touch display, and optional 360-degree all-around view monitoring (AVM) camera system
    • Advanced Visibility with rearview camera, high-illumination LED lights, and excellent sightlines through the front, side, rear, and overhead windows
    • Fuel Efficiency Technologies including D-ECOPOWER, Smart Power Control (SPC), and EPOS
    • Auto Idle & Auto Shutdown to save fuel
    • Intelligent Floating Boom Mode available to optimize cycle times

  • DEVELON DX420LC-7 Crawler Excavator

    • Rated Horse Power (Net): 344.6 hp @ 1800 rpm
    • Operating Weight: 94,527 lb
    • Digging Depth: 25′ 0″

    • 95.1 gpm Dual Main Pump Hydraulic System
    • 118,332 lbf·ft Maximum Swing Torque
    • 95,767.8 lbf Maximum Traction Force
    • 64,374.3 lbf Bucket Digging Force (Power Boost)
    • Selectable Power Modes to balance fuel consumption and machine power
    • One-Touch Power Boost for increased hydraulic power in tough conditions
    • Enhanced Durability with ultra-hard wear plates at the end of the machine arm
    • Fast Cycle Times, Strong Swing Torque, and Improved Lifting Capacity for maximum productivity
    • Optional Intelligent Floating Boom Mode for increased efficiency and productivity
    • Comfortable Cab with ergonomic joystick controls, DEVELON Smart Touch display, and optional 360-degree all-around view monitoring (AVM) camera system
    • Advanced Visibility with rearview camera, high-illumination LED lights, and excellent sightlines through the front, side, rear, and overhead windows
    • Fuel Efficiency Technologies including D-ECOPOWER, Smart Power Control (SPC), and EPOS
    • Auto Idle & Auto Shutdown to save fuel
    • MY DEVELON Fleet Management for remote monitoring and diagnostics, geofencing, and maintenance alerts

  • DEVELON DX490LC-7 Crawler Excavator

    • Rated Horse Power (Net): 379.5 hp @ 1800 rpm
    • Operating Weight: 121,676 lb
    • Digging Depth: 25′ 6″

    • 103.0 gpm Dual Main Pump Hydraulic System
    • 145,600.5 lbf·ft Maximum Swing Torque
    • 100,750.2 lbf Maximum Traction Force
    • 67,901.7 lbf Bucket Digging Force (Power Boost)
    • Selectable Power Modes to manage fuel consumption and machine power (Power+, Power, Standard, and Economy modes)
    • One-Touch Power Boost for increased hydraulic power in tough conditions
    • Heavy-Duty Wear Plates bolted to the machine arm for durability
    • Reinforced Arm and Boom for high-impact material handling
    • Optional Intelligent Floating Boom Mode for improved cycle times and finishing work
    • Deluxe Air-Suspension Seat with heating and cooling options for comfort
    • 360-Degree All-Around View Monitoring (AVM) Camera System available for greater situational awareness
    • Advanced LED Lights for visibility
    • Fuel Efficiency Technologies including Smart Power Control (SPC) and auto idle/shutdown features to save fuel

  • DEVELON DX530LC-7 Crawler Excavator

    • Rated Horse Power (Net): 379.5 hp @ 1800 rpm
    • Operating Weight: 121,804 lb
    • Digging Depth: 24′ 0″

    • 103.0 gpm Dual Main Pump Hydraulic System
    • 145,600.5 lbf·ft Maximum Swing Torque
    • 100,750.2 lbf Maximum Traction Force
    • 67,901.7 lbf Bucket Digging Force (Power Boost)
    • One-Touch Power Boost for increased hydraulic power in tough conditions
    • Removable Counterweight for improved stability during heavy attachment use
    • D-Channel Upper Structure Frame Design for extra strength and side impact resistance
    • Steel Cast Pins on Boom and Arm for added strength in tough environments
    • Heavy-Duty Wear Plates bolted to the machine arm for durability
    • Fuel Efficiency Technologies including Smart Power Control (SPC), Auto Idle/Shutdown features, and optional Boom Float Mode for improved cycle times
    • Advanced Telematics with MY DEVELON fleet management system for remote monitoring
    • Smart Touch Display for real-time system monitoring and historical alerts

  • DEVELON DX800LC-7 Crawler Excavator

    • Rated Horse Power (Net): 539.1 hp @ 2100 rpm
    • Operating Weight: 179,428 lb
    • Digging Depth: 27′ 5″

    • 133.1 gpm Dual Main Pump Hydraulic System
    • 228,563 lbf·ft Maximum Swing Torque
    • 155,792 lbf Maximum Traction Force
    • 84,877 lbf Bucket Digging Force (Power Boost)
    • Innovative Double-Foot Boom Design for improved durability and reduced wear
    • 3 Excavator Arm Options — standard, long, and mass-excavation for versatile jobsite adaptability
    • D-ECOPOWER™ System for optimized fuel efficiency and hydraulic flow
    • Boom Priority or Swing Priority Mode for customized digging and dumping operations
    • 360-Degree All-Around View Monitor for improved visibility and safety on large worksites
    • MY DEVELON Fleet Management for remote monitoring of machine health, location, and productivity
    • Touch Screen Display (8-inch) for intuitive control and settings navigation, 30% larger than previous models
    • Push-Button Start with Smart Key Fob for added security
    • Tier 4-Compliant Engine with three-stage fuel filtration system for longevity
    • Optional Auto-Lube System to reduce wear and improve uptime
    • Aftertreatment Systems (CEGR, DOC, DPF, SCR) to comply with Tier 4 emissions standards

  • DEVELON DX1000LC-7 Crawler Excavator

    • Rated Horse Power (Net): 628.9 hp @ 2100 rpm
    • Operating Weight: 221,280 lb
    • Digging Depth: 28′ 10″

    • 284,474.3 lbf·ft Maximum Swing Torque
    • 173,550.5 lbf Maximum Traction Force
    • 94,709.6 lbf Bucket Digging Force (Power Boost)
    • Heavy-Duty Front Design with reinforced stress points for superior digging power
    • Crossed-Swing Bearing Design for enhanced stress distribution and increased lifespan
    • Wear-Resistant Plates at the end of the arm to maintain breakout force and durability
    • D-Channel Upper Structure Frame with optional side impact protector for added strength and protection
    • Smart Power Control (SPC) and D-ECOPOWER™ System to optimize fuel efficiency without compromising performance
    • MY DEVELON Fleet Management for remote monitoring of health, location, and productivity
    • Ergonomically Designed Joystick with precise control and a jog shuttle switch for machine functions
    • Heated/Cooled Seat for maximum comfort during long shifts
    • Rearview Camera and Optional 360-Degree All-Around View Monitoring (AVM) System for improved visibility in large operations
    • Four Power Modes to adjust performance based on working conditions
    • Boom Priority and Swing Priority Modes for tailored digging and lifting operations
    • Removable Counterweight and Retractable Undercarriage Frame for easier transport

DEVELON Crawler
Support & Service

For maintenance and repair services tailored to DEVELON Excavators, Stewart & Stevenson offers a streamlined one-stop solution.

Trust us to ensure the optimal performance and longevity of your equipment with expert maintenance and repair services.

Contact Us for the Full Lineup Sales and Service

Whether you’re looking for a DEVELON dealer or specialized solutions in equipment sales, Stewart & Stevenson is your partner in achieving construction excellence.

William Styczykowski

5840 Dahlia Street
Commerce City, CO 80022

720-788-6113
[email protected]

Mon – Fri | 7 AM — 5 PM
Saturday | On-call
Sunday | On-call

Billy Ready

4800 River Road
Jefferson, LA 70121

504-415-2222
[email protected]

Mon – Fri | 7 AM — 4 PM
Saturday | On-call
Sunday | On-call

Larry Schwartz

6565 Hanover Road NW
Albuquerque, NM 87121

505-235-2979
[email protected]

Mon – Fri | 7:30 AM — 5 PM
Saturday | On-call
Sunday | On-call

Rick Rodriguez

11100 Gateway East
El Paso, TX 79927

915-347-4923
[email protected]

Mon – Fri | 8 AM — 5 PM
Saturday | On-call
Sunday | On-call

James Roberts

2000 East Slaton Road
Lubbock, TX 79404

806-240-7988
[email protected]

Mon – Fri | 8 AM — 5 PM
Saturday | On-call
Sunday | On-call

Will Warren

2301 Central Freeway East
Wichita Falls, TX 76302

940-500-738
[email protected]

Mon – Fri | 7:30 AM — 5 PM
Saturday | On-call
Sunday | On-call