HD 12 VO
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Key Features & Specs
Highlights
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Simple, intuitive and language-neutral control
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Ergonomic driver platform
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Excellent view of drum edge, machine and construction site environment
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Compact dimensions
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Compaction with oscillation
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Three-point articulation
Three-point articulation is different to conventional joints due to its geometric arrangement and connection of the three individual joints and one additional connecting link between the two conventional upper joints. This allows optimum steering, excellent driving safety and maximum driving comfort.
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Oscillation
In an oscillation drum, two eccentric shafts are fitted at a 180° angle to each other. Both unbalanced masses rotate synchronously, which causes the drum to perform a rapidly alternating forward-backward rotational movement. This results in the compaction energy being transmitted forward and backward tangentially into the ground below in the form of shear forces. The oscillation system developed by HAMM achieves compaction results that are scientifically proven to be more homogeneous and higher-quality, leading to faster, more significant compaction increases. The scope of application is enormous.
BASIC DATA
Series | H230 |
Name | HD 12 VO |
Description | Tandem roller with vibrating roller drum and oscillation drum |
Series | HD CompactLine |
DIESEL ENGINE
Power ISO 14396, kW | 18.5 kW |
Power ISO 14396, HP | 25.2 HP |
Power ISO 14396, rpm | 2,200 RPM |
Exhaust gas after-treatment | - |
Number of cylinders | 3 |
Emission standard | EU Stage V / EPA Tier 4 |
Power SAE J1349, HP | 24.8 hp |
Type | D1703 |
DRIVE
Climbing ability, with vibration | 35 |
Climbing ability, without vibration | 40 % |
Speed, infinitely variable | 6.3 |
DRUM DIMENSIONS
Drum thickness, rear | 0.6 in |
Track offset, right | 2 in |
Drum diameter, front | 28.3 in |
Drum width, front | 47.2 in |
Drum type, front | Smooth/non-split |
Track offset, left | 0 in |
MACHINE DIMENSIONS
Total length | 99.6 in |
Total width | 51.6 in |
Height, loading, min. | 69 in |
Wheelbase | 66.9 in |
Curb clearance, rear | 22.4 in |
Max. working width | 49.2 in |
Turning radius, inside | 93.3 in |
Total height with ROPS | 97.4 in |
OSCILLATION
Oscillation frequency, rear, I | 2,280 VPM |
Oscillation force, rear, I | 8,775 lbs |
Oscillation frequency, rear, II | 1,740 VPM |
Tangential amplitude, rear, II | 0.045 in |
SOUND LEVEL
Acoustic power LW(A), measured | 104 db(A) |
Acoustic power LW(A), sticker | 106 |
SPRINKLER SYSTEM
Water sprinkler, type | Pressure |
Fuel tank, capacity | 11.1 gpm |
STEERING
Steering, type | Articulated steering |
Oscillation angle +/- | 8 ° |
TANK CAPACITY/FILL CAPACITY
Water tank, capacity | 47.6 gpm |
VIBRATION
Vibration frequency, front, I | 3,900 VPM |
Vibration frequency, front, II | 3,060 VPM |
Amplitude, front, II | 0.018 in |
Centrifugal force, front, I | 8,550 lbs |
Centrifugal force, front, II | 5,175 lbs |
WEIGHTS
Static linear load, front | 62.2 lbs/in |
Operating weight, max. | 7,651 lbs |
French classific., data/class | 11,1/PV3 |
Operating weight with ROPS | 6,075 lbs |