450、454、500、504、550、554、700、704 ■Double external large bore lifter cylinder, superior lifting power ■Stepless adjustable wheelbase,meet the needs of multi-zone operation ■Compact structure with better comfort and convenience. ■Higher and bigger fuel tank,longer continuous running time. ■Various options including dual clutch, double PTO, multi-channel hydraulic output, cab, awning ■Adjustable steering wheel，comfortable operation and shuttle shift option. ■双外置大缸径提升油缸，具有超强的提升能力。 ■轴距无级可调，满足多区域作业需求。 ■加高加大油箱，车身通过性好，连续工作时间更长。 ■配置双作用离合器、多种转速组合的双动力输出、多路液压输出、驾驶室、遮阳棚，满足客户不同需求。 ■方向盘可调，配置梭形档，具有良好的操作舒适性。
| 504 | |
| Drive Type 驱动形式 | 4x4 |
| Overall Dimensions(Mm) 外廓尺寸 | 3845x1620x2205 |
| Wheel Base(Mm) 轴距 | 2075 |
| Wheel Track （F / R)(Mm) 轮距（前/后） | 1315/1205-1505 |
| Tire （F / R) 轮胎尺寸（前/后） | 8.3-20/12.4-28 |
| Min Ground Clearance(Mm)最小离地间隙 | 325 |
| Engine (Brand) 发动机 | LAIDONG 莱动 |
| Rated Engine Powerc(Hp/Kw)额定功率 | 50/36.8 |
| Engine Type 发动机类型 | 4 Cylinder,in line, water-cooling,4 stroke 四冲程，直列四缸水冷发动机 |
| Rate Engine Spee (Rpm) 额定转速 | 2300 |
| Fuel Tank Capacity(Ltr) 油箱容积 | 45 |
| Clutch 离合器 | Dry,single,double acting 干式，单片双作用离合器 |
| Size (In.) 离合器尺寸 | 10 |
| Steering 转向 | Hydraulic 液压助力 |
| Forward/Reverse Shuttle Shift 前进/倒车 档位，梭型挡 | 12/12 |
| Speed Range (Km/h） 速度范围 | Forward:2.28-29.29 Reverse:2-25.68 |
| Suspension Type 悬挂类型 | Rear Three-Point Suspension I - type |
| PTO (Rpm) 动力输出 | 540/720（Option:540/1000、720/1000） |
| Rated Traction Force(Kn) 标准牵引力 | 12.4 |
| Lift Capacity(Kn) 最大提升能力 | Semi split 半分置式 ≥8.3 |
| Lift Capacity(Kn) | Seperate 分置式≥8.3 |
| Ballast weight F / R (Kg) 配重（前/后） | 150/90 |
Shandong Shantuo Kaitai Agricultural Equipment Co., Ltd. (referred to as “Shantuo Kaitai”) was founded in 2005 and was put into operation in 2009. It was settled in Caiqiao Village of Luohe Town in 2009, and was renamed in 2013 by the former Cangzhou Shantuo Kaitai Machinery Co., Ltd. For Shandong Shantuo Kaitai Agricultural Equipment Co., Ltd. At present, the company has an annual capacity of more than 20,000 sets of medium horsepower tractors and supporting agricultural tools. Among them, 28-180 horsepower tractors and more than 10 kinds of supporting agricultural machinery have entered the national agricultural machinery purchase subsidy catalogue, which is a national "AA" credit enterprise.
Our company has strong technical strength, advanced technology and perfect quality assurance system. Over the years, we have adhered to the road of scientific development, dedicated to the development of tractors, and formed a production service system for tractor R&D, manufacturing, assembly, agricultural machinery and engineering machinery manufacturing. Our company pays attention to the introduction and cultivation of various professional and technical personnel and establishes high Quality research and development team. It has established a special R&D center with Shandong Institute of Technology Vocational College, and has set up a special R&D center. There are 18 people in the center, including 10 undergraduates, 3 with senior titles, and 12 with intermediate titles. The company has a registered capital of 65 million yuan and covers an area of 99,000 square meters, including a construction area of 60,000 m2 and more than 180 employees. 4 assembly lines of the whole machine, business scope: tractors above 25 horsepower, rotary tiller, rice transplanter, grain dryer, rake plow, turning plow, paddy leveling machine, deep loose land preparation machine, grain processing machinery Manufacturing and sales of such products
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