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Gr1603
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The GR1603 is positioned as an all-round operation expert, achieving an excellent balance among power performance, maneuverability, reliability and operation efficiency. It is a core product that is highly suitable for Chinese working conditions and user demands.
A powerful and energy-efficient power system：
Engine: Usually equipped with well-known brands such as Shangchai or Cummins' electronically controlled turbocharged engines, meeting the National III emission standards. It features strong power, sufficient torque reserve, capable of handling heavy-load working conditions, and excellent fuel economy at the same time.
Transmission system: It adopts a hydraulic torque converter + power shift gearbox (6 front and 3 rear gears or similar configuration), featuring high transmission efficiency, smooth gear shifting, convenient operation, and the ability to automatically adjust speed according to the load to ensure efficient operation.
An efficient and stable working device：
Hydraulic system: It adopts a load-sensing hydraulic system, which is easy and flexible to operate, with flow distributed as needed, good energy-saving effect, and smooth and precise compound actions.
Scraper system: The scraper is large in size, with good strength and wear resistance. It has multiple action functions such as left and right rotation, left and right side extension, lifting and lowering, and tilting. It is highly flexible and can complete various complex-shaped leveling and slope scraping operations.
Drive form: Rear-axle drive, front-wheel steering, six-wheel full hydraulic drive mode provides stronger traction and off-road capability, especially with obvious advantages on slippery or soft roads.
| Item | GR1603 | ||
| Basic parameters | Engine model | QSB5.9 | |
| Rated power/speed | 125kW/2200rpm | ||
| Overall dimension (standard) | 8420x2380x3150mm | ||
| Total weight (standard) | 13000kg | ||
| Tire specification | 13.00-24TG RP12 | ||
| Ground clearance (front axle) | 654 mm | ||
| Tread | 2020mm | ||
| Space of front and rear axles | 5780mm | ||
| Performance parameters | Forward velocity | 5,8,13,18,30,47km/h | |
| Reverse speed | 5,13,30km/h | ||
| Tractive effort f=0.75 | 73 kN | ||
| Maximum gradeability | 25% | ||
| Tire inflation pressure | 260kPa | ||
| Working system pressure | 19MPa | ||
| Transmission pressure | 1.3-1.8Mpa | ||
| Working parameters | Maximum steering angle of front wheel | ±48° | |
| Maximum slant angle of front wheel | ±17° | ||
| Maximum oscillating angle of front axle | ±16° | ||
| Maximum oscillating angle of equilibrium box | ±15° | ||
| Maximum steering angle of frame | ±27° | ||
| Minimum turning radius | 6.6m | ||
| Scrape knife | Maximum lift height | 410mm | |
| Maximum cutting depth | 515mm | ||
| Maximum tilt angle | 90° | ||
| Cutting angle | 54°-90° | ||
| Angle of revolution | 360° | ||
| Length & chord height | 3660x610mm | ||
High-grade highways: Subgrade leveling, road arch shaping, slope trimming.
Railway construction: Subgrade leveling.
Airport construction: Large-scale site leveling.
Farmland water conservancy: Land leveling, ditch excavation.
Mines and industrial sites: Site leveling and maintenance.
Check the oil level before operation. Idle for preheating after starting. The lift, tilt, rotation and lateral movement of the scraper are precisely controlled by the pilot hydraulic control joystick. Perform the leveling operation in combination with the gear and the throttle. Be careful to avoid obstacles from people around you. Drive slowly and prudently when working on slopes. Let the engine idle to cool down before parking, then turn off the engine and cut off the power.
A: Strictly follow the cycles stipulated in the official operation manual, usually based on working hours. For example:
First replacement: Generally around 500 hours (after the running-in period).
Subsequent replacement: Usually every 2,000 hours or once a year (whichever comes first).
Note: If the hydraulic oil is contaminated (water enters, turns milky white, has metal shavings) or deteriorates, it must be replaced immediately, regardless of whether the time is up or not.
A: The Angle of the scraper needs to be adjusted according to the specific operation content
Leveling operation: The scraper can be set at a smaller positive Angle (with the tip facing forward), which is conducive to the forward rolling of materials and enables smooth pushing.
Slope scraping operation: It is necessary to utilize the rotation function of the scraper to form a certain Angle with the slope surface.
Soil transfer operation: A larger negative Angle (with the blade tip backward) can be adopted to increase the cutting depth and improve efficiency.
Principle: Start with a small Angle and make fine adjustments based on the actual effect and engine load to avoid engine stalling or severe impact on the equipment due to an overly large Angle.
A: Possible reasons include:
Improper tire pressure: Excessive pressure can reduce the ground contact area and cause skidding. If the pressure is too low, the resistance will be too large. Inflation should be carried out at the pressure specified in the manual.
The differential lock is not activated: When working on muddy and soft roads, the differential lock should be activated to prevent one side of the wheels from slipping and enhance the ability to get out of difficult situations.
The blade cuts too deep: The load is too heavy, exceeding the traction force of the engine. The blade should be appropriately raised or the cutting Angle reduced.
The transmission gear is too high: Under heavy-load conditions, a low gear should be used to provide greater torque.
A: Core "three oils and one water" and "leakage inspection"
Three oils and one water: The oil levels of engine oil, hydraulic oil and fuel oil, as well as the coolant level.
Leakage inspection: Visually inspect the engine, hydraulic pump, cylinder, valve block and pipeline interfaces for any obvious oil leakage marks.
Tire pressure: Maintain standard pressure.
Winding inspection: Check the status of devices such as the scraper and the soil loosener.
Normally we can work on T/T term or L/ term, sometime DP term.
1)On T/T term, 30% down payment is required in advance, and 70% balance shall be settled before shipment, or against the copy of original B/L for long-term cooperating client.
2)On L/C term, a 100% irrevocable L/ C without "soft clauses"from an international recognized bank can be accepted. Please seek the advice from the individual sales manager whom you work with.
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