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620CH Backhoe Loader
Our 620CH backhoe loader provides remarkable capability of digging, trenching, back-filling and material handling for many applications including general construction, demolitions and excavations, landscaping, paving, etc.
Features of 620CH Backhoe Loader
1. This loader backhoe is powered by a reliable Dongfeng Cummins engine.
2. It comes with a 4 forward and 4 reverse synchromesh mechanical shift transmission.
3. As a construction vehicle, the backhoe is designed with a full-closed ROPS/FOPS cab which provides a spacious working environment for all day comfort and ensures unmatched visibility.
4. The backhoe loader is driven by 4 wheels equipped with CARRARO front axle and CARRARO wet-type rear axle with multi-disc brake.
| Overall Dimensions | |||
| 1 | Overall length (with bucket on ground) | 5835mm | |
| 2 | Overall width (at landing leg) | 2240mm | |
| 3 | Width (to outside of tire) | 1993mm (front wheel) 2057mm (rear wheel) | |
| 4 | Width of load bucket | 2313mm | |
| 5 | Height (to the top of cab) | 2720mm | |
| 6 | Height (to the top of the digging arm) | 3548mm | |
| 7 | Wheel base | 2155.5mm | |
| 8 | Back wheel tread | 1700mm | |
| 9 | Front wheel tread | 1880mm | |
| 10 | Min. ground clearance | 355mm for 2WD 275mm for 4WD | |
| 11 | Min. ground clearance at rear part of the vehicle | 350mm(landing leg); 520mm(center) | |
| 12 | Traveling speed (km/h) | ||
| (1) Ⅰ gear forward/reverse | 6/6 | ||
| (2) Ⅱ gear forward/reverse | 10/10 | ||
| (3) Ⅲ gear forward/reverse | 20/20 | ||
| (4) Ⅳ gear forward/reverse | 38/38 | ||
| Main Technical Specifications of the Backhoe Loader | |||
| 1 | Rated load | 1700Kg (standard bucket) | |
| 2 | Operating weight | 8000Kg (standard bucket) | |
| 3 | Rated lifting capability of loading bucket | >34KN | |
| 4 | Capacity of load bucket | 1.0m3 (standard bucket) | |
| 5 | Max. breakout force | >49kN (arm); 60kN (bucket) | |
| 6 | Max. dump clearance | 2714mm (standard bucket) | |
| 7 | Max. dump reach | 84mm (standard bucket) | |
| 8 | Dumping angle at a full height | 43.5º(standard bucket) | |
| 9 | Tilting angle of bucket | On ground | 41° 41.7° (350) |
| For transportation | |||
| Outside of front wheel | 3795mm for 2WD 4300mm for 4WD | ||
| 10 | Max. digging depth (with bucket bottom horizontal) | 80mm | |
| 11 | Min. turning radius | 4380mm | |
| 12 | Lifting time of loading bucket | ≤5.1s | |
| 13 | Lowering time of loading bucket | ≤4.0s | |
| 14 | Dumping time | ≤1.5s | |
| Diesel Engine of the Backhoe Loader | |||
| 1 | Model | Dong Feng Cummins 4BTA3.9-C110 | |
| 2 | Type | Direct injection, Turbocharged, Water cooled | |
| 3 | Rated output | 82kW | |
| 4 | Rated speed | 2200rpm | |
| 5 | Total displacement of cylinder | 3.9L | |
| 6 | Cylinder diameter /stroke | 4×102/120mm | |
| 7 | Voltage of starting motor | 12V | |
| 8 | Max. Torque | 460N.M | |
| 9 | Starting type | Electric | |
| 10 | Min. specific fuel consumption | 225g/Kw.h | |
| Transmission System of the Backhoe Loader | |||
| A. Torque Converter | |||
| 1 | Model | CARRARO | |
| 2 | Cooling type | Pressure oil circulating | |
| B. Transmission Case | |||
| 1 | Model | CARRARO | |
| 2 | Type | Synchromesh mechanical shift | |
| 3 | Gear shift position | 4 Forward and 4 reverse gears | |
| C. Axle and Tire | |||
| 1 | Model | CARRARO | |
| 2 | Type of main reducer | Spiral bevel gear, single stage | |
| 3 | Type of final reducer | Single stage planetary | |
| 4 | Max. steering angle | 55° | |
| 5 | Gradeability | 30% | |
| 6 | Max. drawing force | 43.5±10% (kN) for 2WD; 70±10% (kN) for 4WD | |
| 7 | Tire type | 4WD front tire 12-16.5NHS-10PR (air pressure 4.4); 2WD front tire 11L-16 (air pressure 4.4) | |
| Rear tire 19.5L-24R4-12PR(air pressure 2.4) | |||
| Working Device Hydraulic System of the Backhoe Loader | |||
| 1 | Model of oil pump | JHP2050AXCC | |
| 2 | System pressure | 230kgf/cm2 | |
| 3 | Model of loading valve | ZL20DJC-02-01 | |
| 4 | Model of priority valve | YXL-F160L-N7(W) | |
| 5 | Model of digging valve | WJ30DC-07-01 | |
| 5 | Priority pressure | 3Mpa | |
| Steering System | |||
| 1 | Type | Front wheel Steering | |
| 2 | Model of steering gear | BZZ5-E160B+FKB-3022 | |
| 3 | System pressure | 140kgf/cm2 | |
| Oil Capacity | |||
| 1 | Fuel (diesel) | 151L | |
| 2 | Engine lubricating oil | 11L | |
| 3 | Oil for converter and gear box | 18.5L | |
| 4 | Oil for hydraulic system | 110L | |
| 5 | Oil for driving axles (F/R) | 7.6+17L | |
