| General Data | | Manufacturer | Ammann | | Model | ARX 12 | | Machine type | Tandem Roller |
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| Weights and Measures | | Manufacturer weight | 1.460 kg | | Operative weight | 1.700 kg | | Drum width | 820 mm | | Shipping length | 2.330 mm | | Transport height | 1.730 mm | | Working height | 2.400 mm | | Working width | 865 mm | | Overall width | 950 mm |
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| Motorization | | Type | Yanmar 3TNV80F | | Fuel | diesel | | Construction type | 3-cylinder, liquid cooled | | Electric start | yes | | Exhaust emissions standard | Stage V | | Rated output (ISO 14396) | 14,6 kw at 2.400 rpm | | Torque | 68,4 Nm at 1.800 rpm | | Displacement | 1.267 cm³ | | Motor oil capacity | 3,6 l | | Fuel tank | 24 l | | Consumption | 2,6 l/h | | Hydraulic oil quantity | 28,5 l | | Sound pressure level (at the operator's ear) LPA | 87 db(A) | | Guaranteed sound power level LWA,g | 108 db(A) | | Measured sound power level LWA,m | 106 db(A) |
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| Work performance | | Stroke rate | 58 / 66 Hz | | Linear pressure | 8,4 / 9,4 kg/cm | | Stroke power | 23 kN | | Fuel | Hydrostatisch V+H | | Climbing power with vibration | 30 % | | Climbing power without vibration | 40 % | | Inside turning radius | 2.100 mm | | Driving speed | 8,5 km/h | | Hand-arm vibration | < 0,5 m/s² | | Water sprinkler system | 110 l |
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| Hydraulic System | | Hydraulic pumps | - | | P1 – Type | - | | P1 – Liter | - | | P1 – Pressure | - | | P2 – Type | - | | P2 – Liter | - | | P2 – Pressure | - | | P3 – Type | - | | P3 – Liter | - | | P3 – Pressure | - | | P4 – Type | - | | P4 – Liter | - | | P4 – Pressure | - | | P5 – Type | - | | P5 – Liter | - | | P5 – Pressure | - | | P6 – Type | - | | P6 – Liter | - | | P6 – Pressure | - | | P7 – Type | - | | P7 – Liter | - | | P7 – Pressure | - | | Automatic pressure release | - | | auto-tank | - | | Auxiliary circuits | - | | AUX 1 – Hydraulic control | - | | AUX 1 – Detent mode | - | | AUX 1 – High Flow | - | | AUX 1 – adjustable | - | | AUX 1 – Liter | - | | AUX 1 – Pressure | - | | AUX 2 – Hydraulic control | - | | AUX 2 – adjustable | - | | AUX 2 – Liter | - | | AUX 2 – Pressure | - | | AUX 3 – Hydraulic control | - | | AUX 3 – adjustable | - | | AUX 3 – Liter | - | | AUX 3 – Pressure | - | | AUX 4 – Hydraulic control | - | | AUX 4 – adjustable | - | | AUX 4 – Liter | - | | AUX 4 – Pressure | - | | Travel motor type | - | | Pressure release valve for hydraulic tank | - | | Slew motor type | - |
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| Undercarriage | | Ground pressure | - | | Undercarriage overall width | - | | Crawler belt / wheels | - | | Crawler belt width | - |
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| Technical equipment | | Refuelling pump | - | | Pressure accumulator | - | | Parking brake | - | | Slew brake | - |
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| Confort features | | Display | - | | Heating | - | | HUPPIFleetManagement | - | | Air conditioning | - | | Radio | - | | Seat | - | | Seat heating | - | | USB charging socket | - |
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| Security Equipment | | Travel alarm | - | | Light package | Boom - front | - | | Light package | Cabin - rear | - | | Light package | Cabin - front | - | | Light package | Engine hood - front | - | | Light package | Frame - left | - | | Light package | Frame - right | - | | Rear view camera | - | | Side view camera | - | | Socket for beacon light | - | | Road lighting | - | | Overload control device | - |
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