Operating weight

25 689 kg

Travel speed

3,2 - 5,8 km/h

Engine model



Conquer Any Tunnel,
Perform in Every Inch

The Develon DX245RTF tunneling excavator is expertly designed for the rigorous demands of subterranean construction. It operates efficiently within tight tunnel constraints, prioritizing both excavation efficiency and safety. Powered by the latest Develon engine, it delivers substantial power for tough tasks while reducing fuel consumption and emissions. Its robust arm and boom ensure the precision and strength essential for every tunneling job.
Engineered for Excellence, Built to Last
Develon prioritizes safety, durability, and precision in subterranean construction. The DX235RTF-7 excavator is designed to apply significant force for breaking tough substrates while maintaining precision for finer operations. Its robust tilting boom and strong tunneling arm feature sophisticated kinematics, optimized for specialized tunneling attachments. Strategically placed guard covers ensure longevity and reliability.

Easy Way Through, Unbeatable Safety
Heavy-duty covers provide robust protection against damage from falling debris and protruding objects. The operator is safeguarded from falling objects during tough, risky tunnel jobs. Standard features include rear and right-side cameras, anti-slip steps and platforms, guard rails on the upper structure, and an optional 360° all-around view camera (AVM) for maximum safety. Additional benefits include a cylinder installed under the arm, a short swing radius, and other essential features for tunneling applications.

Smooth Operation, Supreme Comfort
Operators on tough tunneling jobs benefit from extended, fatigue-free operation due to ergonomic design features like clear visibility, accessible storage compartments, and comfortable seating with optimized controls. The excavator's low noise and vibration levels, cab suspension system, enhanced air conditioning, and Develon Smart touchscreen contribute to a significantly improved working environment.


Machine Specs

Operating weight 25 689 kg
Travel speed 3,2 - 5,8 km/h
Engine model DL06V
Power (SAE J1995) 189 hp/141 kW at 1900 rpm
Maximum swing speed 11.5 rpm
Maximum swing torque 9626 kgf·m


Maximum gradeability 35°/70%
Boom tilting range 2x 45°
Overall width (shipping) 2 990 mm
Rear swing radius 1 680 mm
Maximum reach 9 260 mm


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