19. April 2024
 
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VH 850 A
 | VH 850 A is a new generation of a tandem vibratory roller with the high comfort for an opera-tor, with up-to-date design and with splendid visibility from the operator's place. The machine has two split, driven, vibrating, steerable and machined drums - it is designed for mid and large scale compaction jobs at asphalt, loose and semi-cohesive materials. The machine is based on a rigid frame. It is equipped with a hydrostatic drive system, three mode steering system including the "crabbing mode", Cummins engine and hydraulic Sauer-Danfoss. It fulfils the requirements of pollutants emission directives 97/68/ECE Stage 1 and EPA/CARB Tier 1. The machine meets the CE marking conditions. |
| STANDARD: | Cabin ventilated and heated Rotating and sliding seat with steering wheel Both drums vibrating Split drums Two mode vibrators Backbone frame Crabbing up to 1293 mm both sides Both drums are hydrostatically driven Working halogen headlights Painting STA: yellow, grey | | OPTIONS: | Operator platform without cabin with rails Lockable vandal guard Diff lock ASC total (interaxle and interdrum) ROPS protection (obligatory for CE) ROPS canopy (mounted to ROPS) Air conditioning Edge cutter (both sides - diagonal) Edge cutter Beacon Back up alarm Special painting |
| CAPACITY: | | Operatring weight (CECE) | kg | 8.484 | | Compacting width maximum | mm | 2.973 | | Drum offset | mm | 1.293 |
| | WEIGHTS: | | Operating weights maximum (CECE) | kg | 8.879 | | Front drum load (CECE) | kg | 4.175 | | Rear drum load | kg | 4.309 | | Front drum linear load | kg/cm | 24,9 |
| | STEERING: | | Front drum steering angle (+ -) | ° | 25 | | Rear drum steering angle (+ -) | ° | 25 | | Oscillation angle (+ -) | ° | 6 | | Turning radius inner | mm | 2.780 | | Turning radius outer | mm | 4.502 | | Transversal stability - straight | ° | 32 |
| RIDING CHARACTERISTIC: | | No. of travel speeds | 1 | | Maximal speed | km/h | 10 | | Gradeability without vibration | % | 35 | | Gradeability with vibration | % | 30 |
| BRAKES: | | Operation | hydrostatic | | Parking | multi disc | | Emergency | multi disc |
| VIBRATION: | | Amplitudes | mm | 0,66/0,26 | | Frequencies | Hz | 42/50 | | Centrifugal forces | kN | 88/49 |
| WATERING: | | Watering | pressure | | No. of pumps | 2 | | Water filtration stages | 2 |
| TANKS: | | Fuel | lt | 160 | | Watering | lt | 710 |
| ELEKTROINSTALLATION: | | Voltage | V | 12 | | Capacity of batteries | Ah | 135 |
| ENGINE: | Make | Cummins | Type | 4BT3.3-C85 | Rated power | kW | 62 | Standard | DIN 9249 |
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| PARAMETERS:
size (mm) | | A | D | G | H | H1 | H2 | L | T | W | W1 | W2 | | 3.060 | 1.220 | 320 | 2.950 | 2400 | 897 | 4.270 | 17 | 1.680 | 1.827 | 70 |
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| | | | Technical modifications and data reserved. Machines may be shown with options. | | |
| | Maximal compacted lift thickness at optimal working conditions (m) | | Asphalt | Sand / Gravel | Mixed soils | Silt | Stabilization | | 0,14 | 0,40 | 0,30 | - | 0,25 |
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Ammann Czech republic, a.s.