Used Gradall Excavators For Sale
Used Gradall excavators for sale, including truck-mounted models built for highway travel, ditching, utility work, and municipal excavation.
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About Used Gradall Excavators
On the used market, buyers will commonly see models such as the G3WDE and XL4100 series, including XL4100 II and XL4100 III machines. These units are typically built on a heavy truck chassis with tandem rear axles, beam suspension, high numerical rear ratios, and vocational driveline components such as Fuller 9-speed manual transmissions or Allison automatics. Power usually comes from Cummins or Mercedes diesel engines, and some older machines may use a dedicated rear engine for the excavator while later units may run the upper and hydraulic system from the truck engine. That distinction matters because it affects maintenance planning, troubleshooting, idle strategy, and parts sourcing.
The main buying decision is not just year or miles. Hydraulic condition, boom wear, turntable performance, cylinder leakage, drive motor strength, and stabilizer function matter more than odometer reading alone. Hours are important, but a Gradall that has spent its life in municipal ditching or shoulder work can show wear in the boom slides, attachment pins, and hydraulic circuits long before the chassis looks tired. Inspect the telescoping boom sections for play, check for seepage at boom and stabilizer cylinders, verify swing and drive functions under load, and confirm that the machine tracks straight and that all hydraulic functions respond smoothly. Bucket type also changes value, especially if the machine includes trenching, cleanout, or smooth-edge buckets suited to your work.
Truck-mounted Gradall excavators also deserve a chassis-level inspection like any other vocational truck. Look closely at frame condition, axle ratings, locking differentials, tire size, wheelbase, and overall transport dimensions, especially if the machine will travel between counties or operate under bridge and road restrictions. Many used Gradalls carry operating weights in the mid-30,000 to upper-40,000-pound range, with widths around 8 to 8.5 feet and heights over 10 feet, so legal roadability and jobsite access should be checked before purchase. For buyers who need one machine to travel on the highway, set up quickly, and handle ditching and excavating without a trailer, a used Gradall remains one of the most efficient specialty excavation platforms in the market.
Frequently Asked Questions
What is the main advantage of a Gradall excavator compared with a conventional excavator?
A Gradall excavator is valued for its telescoping boom and road-going chassis. That combination allows the machine to travel between jobs without a trailer in many applications and perform ditching, sloping, grading, and excavation from a wide range of boom angles. For municipal, highway, and utility work, that mobility can reduce transport time and improve daily productivity compared with a conventional excavator that must be hauled.
What should I inspect first on a used Gradall excavator?
Start with the hydraulic system and upper structure, not just the chassis mileage. Check boom section wear, cylinder seepage, stabilizers, swing function, hydraulic drive performance, pins and bushings, and the condition of the bucket and attachment connection points. After that, inspect the truck side like any severe-service unit, including engine, transmission, axle ratings, frame, brakes, tires, and differential locks.
Do used Gradall excavators have one engine or two?
It depends on the model and generation. Some older machines use a separate rear engine to power the excavator functions, while many later units run the excavator hydraulics from the main truck engine. Buyers should confirm that layout before purchase because it changes service requirements, diagnostic approach, and operating costs. A dual-engine machine can offer functional separation, but it also adds another powerplant to maintain.
Are Gradall excavators good for utility and roadside work?
Yes. Gradall excavators are widely used for roadside drainage, shoulder repair, culvert and ditch cleaning, utility trenching, and municipal maintenance. Their ability to work from the road edge, reach into ditches, and reposition quickly makes them especially useful for public works departments and contractors handling linear infrastructure jobs.
How important are hours versus miles on a used truck-mounted Gradall?
Both matter, but operating hours and hydraulic condition often tell the more important story. A truck-mounted Gradall may have relatively low road miles yet significant wear in the boom, cylinders, and hydraulic components from years of excavation work. Buyers should compare engine hours, excavator hours if separately tracked, maintenance history, and visible hydraulic wear with the odometer to get a realistic picture of remaining service life.