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| Warranty: | 1 Year |
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ZRT850 Rough Terrain Crane
Slewing mechanism
It is composed of hydraulic motor, planetary gear reducer, pinion and slewing bearing. The hydraulic motor drives the planetary gear reducer to drive the pinion to rotate, so that the outer ring of the slewing bearing on the turntable rotates relative to the inner ring of the slewing bearing on the frame, thereby realizing 360° continuous slewing motion of the upper vehicle.
Lifting operation
The lifting operation of the upper vehicle is controlled by two hydraulic cross-axis handles on both sides of the driver's seat (configured according to ISO standards).
The left handle controls the upper vehicle rotation and auxiliary winch action, the right handle controls the luffing and main winch action, and the telescopic pedal controls the telescopic action of the boom. Lifting, luffing and telescoping can be combined.
Driver's cab
The lifting operation and on-site driving of the ZRT400 are all operated in the driver's cab of the upper vehicle, which adopts a single-seat left-hand drive side-mounted driver's cab.
The hydraulic steering gear uses Jining Eaton products, the air conditioner uses the automobile air conditioner produced by Henan Yuxin, and the warm air device uses the air heater of Beijing Jingwei Automobile Equipment Co., Ltd. The exhaust emissions meet European environmental protection requirements.
There are armrest boxes for boarding operation on both sides of the seat. The left armrest box can be flipped. The boarding operation mode is arranged according to the ASME B30.5-2007 standard and meets the ISO standard.
| Item | Parameter |
| Maximum rated total lifting weight × working range | 40000*2.5 kg.m |
| Maximum lifting moment of basic arm | 1305 kN.m |
| Maximum lifting moment of longest main arm | 792 kN.m |
| Maximum lifting height of longest main arm | 33.9 m |
| Maximum lifting height of auxiliary arm | 47.8 m |
| Overall dimensions (length × width × height) | 12360*2690*3650 mm |
| Outrigger span (longitudinal × transverse) | 6500*6400 mm |
| Main arm length (fully retracted ~ fully extended) | 10200-33000 mm |
| Auxiliary arm length (one level / two levels) | 8200-14000 mm |
| Main arm elevation | -2 ~ 80 ° |
| Rotation range | 360° continuous |
| Maximum speed of main winch single rope | 130 m/min |
| Boom extension time | 50 s |
| Boom retraction time | 40 s |
| Boom raising time | 45 s |
| Boom lowering time | 120 s |
| Rotation speed | 0-2.5 r/min |
| Rated working pressure | 25MPa |
| Hydraulic oil tank capacity | 580 L |
| Vehicle curb weight | 31000 kg |
| Maximum driving speed (forward/reverse) | 38/38 km/h |
| Wheelbase | 3880 mm |
| Track (front/rear) | 2170 mm |
| Maximum climbing grade | 55% |
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