Used Hamm HD138 Roller

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Here is a detailed introduction to the HAMM HD 138 road roller in English.

HAMM HD 138 Road Roller: Comprehensive Overview

The HAMM HD 138 is a high-performance, heavy-duty tandem roller designed for a wide range of earthwork and asphalt compaction tasks. Part of HAMM’s renowned HD series (with the current generation often designated as the HD 138i), this machine is engineered to deliver exceptional compaction quality, operator comfort, and efficiency. It is widely used on major infrastructure projects such as highways, airports, large parking lots, and dam construction, as well as in urban road building and rehabilitation.

Key Features and Technologies

1. Intelligent Compaction with HAMMTRONICThe HD 138 is equipped with HAMM’s proprietary HAMMTRONIC system, which intelligently manages the engine and hydraulic functions. It automatically adjusts the engine speed to match the power demand, significantly reducing fuel consumption and noise levels. The system also enables the automatic activation of vibration and oscillation (on VO models) based on the roller’s travel direction and speed, ensuring a perfectly uniform compaction pattern and preventing over-compaction at standstill.

2. Split-Drum Technology for Damage-Free CompactionA standout feature of the HD 138 is its split front and rear drums. This design allows the two halves of each drum to rotate at different speeds, effectively eliminating shear forces when turning or negotiating curves. The result is a completely smooth asphalt surface free of cracks, tears, or scuff marks, even during tight maneuvers. This is critical for achieving high-quality mat finishes on binder and surface courses.

3. Versatile Vibration and Oscillation OptionsThe HD 138 is available in several configurations to match specific applications:

VV (Vibration-Vibration): Both drums are equipped with a dual-amplitude, dual-frequency vibration system. This is the standard configuration for most soil and asphalt compaction tasks.
VO (Vibration-Oscillation): The front drum provides vibration, while the rear drum uses oscillation. The oscillating drum employs a tangential belt-driven system that delivers rapid massaging motion without the vertical impact of vibration. This is ideal for compacting vibration-sensitive areas (e.g., near buildings, on bridges) and for achieving high density on thin asphalt layers without aggregate crushing.
Dual Amplitudes: The vibration drums offer a choice of high amplitude for deeper lift thicknesses (up to approximately 200 mm of asphalt) and low amplitude for final finishing passes, providing versatility on a single job site.

4. Easy Drive Operating ConceptThe operator’s station is built around the award-winning Easy Drive system. It is designed for intuitive, fatigue-free operation:

Ergonomic Seat and Controls: The premium pivoting and sliding seat can be rotated 90° and moved outward to provide an excellent view of the drum edges and the working area. The armrests are integrated with the multifunction joystick and a clear color display.
Steering Options: The standard articulated joint offers a 40° articulation angle. An optional crab-steering system allows the rear drum to be offset laterally, increasing the effective working width and making it easy to compact flush along high curbs or walls.
Visibility: The tapered frame design, low engine hood, and large windows provide outstanding all-around visibility to the front and rear drums, enhancing safety and precision.

5. Efficient Powertrain and CoolingPowered by a modern, water-cooled diesel engine (typically a Deutz or similar unit meeting Stage V/Tier 4 Final emission standards), the HD 138 delivers robust power with optimized torque curves. The engine is mounted longitudinally at the rear, providing excellent access for daily maintenance. A large, hydraulically driven fan operates on demand and can reverse automatically at intervals to blow dust and debris from the radiators, maintaining consistent cooling efficiency in dusty environments.

6. Robust Water Spray SystemFor asphalt work, a reliable water spray system is essential to prevent asphalt from sticking to the drums. The HD 138 features a pressurized triple-filtration system with interval-controlled spray nozzles. The operator can adjust the spray interval from the cab. Large, easily accessible water tanks made of corrosion-resistant material ensure long operation between refills.

Technical Specifications (Typical for HD 138i VV)

Operating Weight (CECE): Approximately 13,800 kg
Maximum Operating Weight: Approximately 14,500 kg
Static Linear Load (Front/Rear): ~32.0 / 32.0 kg/cm
Drum Width: 2,140 mm
Drum Diameter: 1,220 mm
Amplitude (High/Low): 0.56 mm / 0.28 mm
Centrifugal Force (High/Low Amplitude): 175 kN / 112 kN
Frequency (Standard): 42 / 50 Hz
Travel Speed (Working/Maximum): 0 – 12 km/h
Gradeability (with/without vibration): 40% / 35%
Engine Power: ~110 kW (149 HP)
Turning Radius (inner/outer): 4,510 mm / 6,800 mm
Water Tank Capacity: ~1,000 liters
Fuel Tank Capacity: ~250 liters

Primary Applications

Highway Construction: Compaction of thick binder and wearing course layers over large widths.
Airports and Large Logistics Centers: Ideal for large, flat surfaces where productivity and evenness are paramount.
Earthworks and Sub-base: With its high static linear load and powerful centrifugal force, the HD 138 can effectively compact granular soils and cement-treated bases.
Urban Paving: With the crab-steering option and split drums, it excels at paving roundabouts, intersections, and streets with tight curb lines.

Operator Comfort and Safety

The HD 138 places a strong emphasis on the operator’s working environment. The ROPS/FOPS-certified cabin is fully glazed, vibration-isolated, and available with an efficient air-conditioning and heating system. Interior noise levels are remarkably low. The machine’s auto-start-stop function further reduces noise and fuel use during idle periods. For nighttime operation, comprehensive LED working lights illuminate the drum surface and the surrounding area.

In summary, the HAMM HD 138 is a state-of-the-art tandem roller that combines intelligent technology, versatile compaction systems, and superior operator ergonomics. It sets a benchmark for quality, productivity, and reliability in the heavy compaction segment.

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Used Hamm HD138 Roller

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