The road roller coming in the model of 8272-5 is a kind of pneumatic roller. It adopts eleven-wheel vibration, which brings high compacting quality. It is equipped with two sets of sprinkling system. By adjusting the capacity of ballast water, the ground pressure can be changed correspondingly.
Due to these advantages, the road roller has found applications in compaction of cohesive or non-cohesive base and sub-base layers of various materials. For example, it can be used to compact asphalt in the construction of roads.
Overall Dimension | ||
1 | Length | 4945mm |
2 | Width | 2844mm |
3 | Height(To the top of the cab) | 3393mm |
4 | Wheel base | 3800mm |
Main Technical Specification | ||
1 | Max Operating weight | 30000kg |
2 | Min Operating weight | 17200kg |
3 | Max. ballast water | 1800 kg |
4 | Average ground press | 260-450kPa |
5 | Min. ground clearance | 270mm |
6 | Roller width | 2718mm |
7 | Gradeability | ≥20% |
8 | Min. turning radius(Outside of rear wheel) | ≤9000mm |
9 | Traveling speed(Km/h),2 forward and 2 reverse | |
(1) 1st gear forward | 0~8 | |
(2) 2nd gear forward | 0~16 | |
(3) 1st gear reverse | 0~8 | |
(4) 2nd gear reverse | 0~16 | |
Diesel Engine | ||
1 | Model | Chinese Engine SC8D180G2B1 |
2 | Type | Direct injection. Turbocharged. Water cooling |
3 | Rated output | 132 kW |
4 | Rated speed | 2000(r/min) |
5 | Inter-bore of cylinder/stroke | 6-114×135 (mm) |
6 | Total exhaust of cylinder | 8.27 (L) |
7 | Max. Torque | 700(N.M) |
8 | Min. specific fuel consumption | 223(g/Kw.h) |
9 | Model and parameter of starting motor | 7.5kW-24V |
10 | Starting type | Electric |
11 | Net weight | 680(kg) |
Transmission System | ||
1. Torque Converter | ||
1 | Model | YD15 |
2 | Type | 3-elements.single stage |
3 | Torque ratio | 2.52 |
4 | Cooling type | Pressure oil circulating |
5 | Type | Power shift, spur gear constant mesh |
6 | Gear shift position | 2 Forward and 2 reverse gears |
2. Axle and Tire | ||
1 | Type of main reducer | spiral bevel gear, single stage |
2 | Gear ratio of main reducer | 5.286 |
3 | Type of final reducer | Single stage, chain driven |
4 | Chain-Gear of ratio of final reducer | 2.462 |
5 | total ratios | 13.01 |
6 | Size of tire | 11.00-20-16PRC-1A |
7 | Number of tire | Front 5&Rear6 |
Steering System | ||
1 | Type | Tire deflexion full hydraulic steering system |
2 | Model of steering pump | CBGj1032 |
3 | Model of steering gear | Bzz1-E800C |
4 | System pressure | 14MPa |
5 | Dimension of steering cylinder | Ф90x45x306(mm) |
Brake System | ||
1 | Type of traveling brake | Air-over-hydraulic activate drum brake of 4 rear wheel |
2 | Air pressure | 7-8(kgf/cm2) |
3 | Type of parking brake | Band brake Manual control cutting-off air brake |
Oil Capacity | ||
1 | Fuel(diesel) | 250L |
2 | Engine lubricating oil | 22 L |
3 | Oil for converter and gear box | 20 L |
4 | Oil for hydraulic system | 90L |
5 | Oil for driving axles(F/R) | 15 L |