The all-new Develon DX400HD-9 crawler excavator brings the strength, stability, and confidence needed for more demanding applications. With a standard operating weight of 42 tons, it delivers powerful lifting performance and a solid, stable platform, while retaining the advanced 9 Series benefits in productivity, safety, operator convenience, and versatility — including smart technologies such as Smart AVM and virtual wall.
Machine Efficiency at its Best
The 9 Series Develon crawler excavators combine the all-new in-house DX08 Develon engine, designed for heavy-duty applications, ensuring superior power density and compliance with strict emission standards. An advanced FEH system and smart assist features help deliver top performance combined with fuel efficiency and operator-friendly productivity.
Safety That Goes the Extra Mile
Develon sets new safety standards with advanced technologies inspired by the car industry, bringing innovation and reliability to the construction sector. From the Smart AVM, which provides a 360-degree view of the job site, to Advanced Lift Assist, which actively monitors lifting capacity and potential tipping hazards, these unique, market-leading features are designed to maximize operator safety and provide peace of mind, no matter how challenging the job site may be.
Versatile, Smooth, and Ready
The 9 Series crawler excavators are designed around operator needs, with a spacious, low-vibration cab and newly designed joysticks for personalised comfort and precise control. Machine Guidance 2D and Smart Control 2D can be upgraded to 3D, delivering even greater accuracy and higher efficiency on complex jobsites. The large 12.8-inch display offers a 360° panoramic view, promoting peace of mind and reducing fatigue. Extended service intervals and easy component access help reduce downtime and maximise productivity.
Machine Specs
| Engine | Develon DX08 |
| Operating weight | 42200 kg / 41700kg (Long arm) |
| Engine power | 336.6 hp / 251.0 kW |
| Buckets | 2.22 m / 1.81 m3 (Long arm) |
| Main pumps max flow | 2 x 360.0 L/min. |
| Number of cylinders | 6 |
| Travel speed (low-high) | 3.2 – 5.6 km/h |
| Maximum gradebility | 70% |
| Maximum torque | 1076.8 ft.·lb. (1460.0 Nm) @ 1300 rpm |
