RS7120
Category： Road Roller
1，Nominal Amplitude：1.9/0.95 mm 2，Vibration Frequency：30/35 Hz 3，Exciting Force：270/184 kN 4，Engine Power：98 kW 5，Rated Engine Speed：2300 r/min 6，Maximum Torque：493 N.m at 1500 r/min 7，Overall Length：6113 mm 8，Overall Width：2300 mm 9，Minimum Ground Clearance：355 mm 10，Total Mass：12000 kg
leave a message now >Specifications
| 1.Parameter | ||||
| Nominal amplitude (mm) | 1.9/0.95 | Minimum outside steering radius (mm) | - | |
| Vibration frequency (Hz) | 30/35 | Maximum gradability | - | |
| Exciting force (kN) | 270/184 | Static line load (N/cm) | 313 | |
| Forward I(km/h) | 0～9 | Forward Ⅱ(km/h) | 0～13 | |
| Forward Ⅲ(km/h) | - | Forward Ⅳ(km/h) | - | |
| Reverse I (km/h) | 0～6 | Reverse II(km/h) | 0～13 | |
| Reverse III(km/h) | - | Reverse IV(km/h) | - | |
| Altitude（m） | - | Ambient temperature（℃） | - | |
| Wading depth（mm） | - | - | - | |
| 2.Dimension | ||||
| Overall length (mm) | 6113 | Vibration pump width (mm) | 2130 | |
| Overall width (mm) | 2300 | Wheel track | - | |
| Overall height (mm) | 3130 | wheelbase（mm） | 3303 | |
| Minimum ground clearance (mm) | 355 | Total mass (kg) | 12000 | |
| Swing angle（°） | - | Work quality (front/back) (kg): | （6800/5200） | |
| 3.Engine | ||||
| Engine model/Drive Motor Model | BF4M2012C | Number of cylinders | 4 | |
| Engine type | In-line、 water-cooled、 four-stroke、 direct injection | Bore/stroke（mm） | 101/126 | |
| Engine power (KW) | 98 | Minimum fuel consumption(g/kW.h) | ≤215 | |
| Rated engine speed(r/min) | 2300 | Maximum torque (N.m)/rotation speed (r/min) | 493/1500 | |
| Displacement (ml) | 4038 | Emission standard | Meeting the requirements of EC Stage Ⅱ＆EPA Tier Ⅱ | |
| 4.Transmission system | ||||
| Clutch type | - | Specification of driven disc | - | |
| Separating force (N) | - | Pressing force (N) | - | |
| Separating stroke (mm) | - | Transmission type | - | |
| Shifting gears | - | Gear ratio of transmission forward I | - | |
| Gear ratio of transmission forward Ⅱ | - | Gear ratio of transmission forward Ⅲ | - | |
| Gear ratio of transmission reverse I | - | Gear ratio of transmission reverse Ⅱ | - | |
| Gear ratio of transmission reverse Ⅲ | - | Model of variable-speed pump | - | |
| Working pressure of shifting(MPa) | - | Main drive type | First reduction of spiral bevel gear | |
| Main drive reduction ratio | 7.286 | Wheel reduction type | Wheel-side planetary reducer | |
| Wheel reduction ratio | 6 | Type of drive axle | - | |
| Tyre size | 23.1-26-8PR | Rear tyre pressure（MPa） | 0.14 | |
| Type of foot brake | Travel control handle returns to middle position for service braking | Brake pressure (MPa) | - | |
| Parking brake type | Press P for parking brake | - | - | |
| 5.Steering system | ||||
| Type of steering system | Full hydraulic steering gear | Steering pump model | AZPF-11-011RRR01KB-S0081 | |
| Steering pump displacement | - | Steering cylinder - bore x rod diameter x stroke | 100×45×282-577 | |
| Steering gear | XCEL45-500-B | Steering gear displacement | - | |
| Steering angle (°) | 35° | Working pressure of steering system（Mpa） | 16.5Mpa | |
| 6.Vibration, walking hydraulic system | ||||
| Vibration mode | Closed-type system | Vibration system manufacturer | Rexroth | |
| Vibration pump model | A10VG45EZ2DM1/10R-NSC10K013EP-S | Vibration pump displacement (mL/r) | 43.1/38.8 | |
| Vibrating motor model | ALA10FM45/52W-VRC10N007-S1064 | Vibrating motor displacement (mL/r) | 44.5 | |
| Model of walking pump | - | Displacement of walking pump (ml/r) | - | |
| Model of front travel motor | - | Displacement of front travel motor (ml/r) | - | |
| Model of rear travel motor | - | Displacement of rear travel motor (ml/r) | - | |
| Reducer model | - | Reducer gear ratio | - | |
| 7. Oil filling amount | ||||
| Fuel filling capacity（L） | 270 | Oil filling capacity of axles (main drive and wheel reducer)（L） | 12 | |
| Hydraulic oil filling capacity（L） | 180L | Transmission oil filling capacity（L） | - | |
| Engine oil filling capacity（L） | 11 | Oil filling capacity of braking system（L） | - | |
| Filling capacity of water radiator antifreeze coolant | - | Gear oil filling capacity of vibrating drum vibration chamber | - | |
Benefits & Features
1，Nominal amplitude：The vibration frequency options of 30/35 Hz provide flexibility for different working conditions, with the higher frequency potentially offering more efficiency in certain applications.
2，Exciting force：With an impressive exciting force of 270/184 kN, the machine can handle heavy-duty tasks with ease.
3，Engine power：A substantial engine power of 98 KW ensures strong performance and the ability to tackle challenging terrains.
4，Engine efficiency：The engine boasts a minimum fuel consumption rate of ≤215 g/kW.h, indicating good fuel efficiency for operational cost savings.
5，Transmission system：The main drive type features a first reduction of spiral bevel gear, which is typically robust and reliable for heavy-duty machinery.
6，Steering system：Full hydraulic steering gear provides smooth and precise control, enhancing maneuverability and operator comfort.
7，Vibration system：A closed-type vibration system from Rexroth ensures high efficiency and reliability in the compaction process.
8，Vibrating motor displacement：The vibrating motor with a displacement of 44.5 mL/r contributes to the effective transmission of vibration for compaction tasks.
9，Total mass：With a substantial total mass of 12000 kg, the machine has the weight necessary for heavy-duty applications and stability during operation.
10，Tyre size and pressure：The large tyre size of 23.1-26-8PR and a rear tyre pressure of 0.14 MPa provide excellent ground contact and traction, crucial for off-road and rough terrain operations.
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Headquarters: A1402 Kaiyuanshangcheng,Lanshan District,Linyi City Shandong Province,PR. China 276000