1. Introduction to the model CAT 320D2 is a classic medium-sized hydraulic excavator in the Caterpillar 320 series. With its powerful power system, advanced hydraulic technology and reliable structural design, it is widely used in earthwork, municipal construction, mining operations and other working conditions. The second-hand 320D2 has become a popular model in the second-hand market for its stability, durability, easy maintenance and high market value retention rate.   2. Performance advantages of Used 320D2   1. Mature and reliable power system The C7.1 ACERT engine usually equipped with second-hand CAT 320D2 has been verified by the market for many years, with strong power and high fuel efficiency. The engine performance is stable, and even after a certain period of use, it can still be kept in good operating condition through regular maintenance.   2. Sensitive response of hydraulic system The hydraulic system of this machine is reasonably designed and uses load sensing technology to ensure smooth and coordinated actions such as digging and bucketing.   3. Strong structure and strong durability CAT machines are known for their strong structure. The boom, dipper and chassis of the second-hand 320D2 are all made of thickened steel and reinforced welding, which are wear-resistant and durable. Suitable for long-term operation under harsh working conditions.   3. Maintenance and care recommendations 1,Replace hydraulic oil, filter element and engine oil regularly to extend the life of the equipment. 2,Use regular accessories for repairs to ensure performance and safety. 3,For customers with harsh operating environments, it is recommended to add protective measures such as installing dust covers and strengthening chassis protection

Product Introduction Komatsu PC200-8 is a classic medium-sized hydraulic excavator. With its reliable performance and excellent durability, it is widely used in the fields of construction, municipal administration and mining. Second-hand PC200-8 has become the first choice of many engineering customers due to its good quality and reasonable price.   Performance highlights 1.Powerful and economical: Equipped with Komatsu's own engine, it has stable power output and low fuel consumption, ensuring continuous and efficient operation. 2.Quick hydraulic response: The hydraulic system is sensitive and smooth to operate, adapting to various complex working conditions and ensuring work efficiency. 3.Sturdy and wear-resistant structure: The machine body adopts thickened steel and high-strength welding technology to improve wear resistance and service life.     Maintenance Recommendations Daily maintenance should focus on oil replacement and parts inspection to maintain equipment performance and extend service life.

Equipment Overview Hitachi ZX350-5G is a 35-ton hydraulic excavator that Hitachi Construction Machinery focuses on in large-scale earthwork and mining operations. It is widely used in medium and large-scale engineering projects. Its high efficiency and durability have won a good reputation in the global market and are favored by customers in Africa, the Middle East, Southeast Asia and other regions.     Core performance advantages 1.Powerful power system Equipped with the original Isuzu AH-6HK1X engine, the power is up to 202kW, the power output is stable and reliable, and it meets the needs of high-intensity operations. 2. Efficient and accurate hydraulic system Adopting HIOSⅢ hydraulic system, it has fast response speed, strong operation flexibility, and greatly improves work efficiency. Equipped with a large-capacity main pump and optimized main control valve to ensure stable operation under heavy load conditions. 3.Solid and durable structural parts The reinforced boom and stick structure are made of high-strength steel plates with long life and strong fatigue resistance. The chassis structure is sturdy and the ground pressure is low, which can adapt to complex terrain. 4.Easy maintenance The body layout is reasonable, and the inspection ports are concentrated, which is convenient for daily maintenance;   Applicable scenarios Mine stripping, quarry operations Earthwork and road construction Port and wharf loading and unloading Large-scale infrastructure construction projects As a mature model, ZX350-5G has strong versatility and easy access to maintenance parts, making it a highly cost-effective large-tonnage equipment choice.  

Equipment Overview Sany SY215C is a 21-ton medium-sized hydraulic excavator launched by Sany Heavy Industry for the global market. It integrates an efficient and energy-saving power system, durable structural parts and intelligent control technology, and is widely used in various construction scenarios such as earthwork, roads, municipal administration, ports, etc. This model has a large number of domestic and foreign markets, strong stability, and convenient maintenance. It is a star product in the second-hand machine market.     Core performance advantages 1. Powerful power, fuel-saving and stable Equipped with an original Sany imported Cummins engine with a maximum power of 118kW and sufficient power output. Optimized fuel system and cooling system design, fuel consumption is reduced by more than 10% compared with products of the same level. 2. Accurate and efficient hydraulic system Adopts the independently developed load-sensitive hydraulic system to achieve precise control and rapid response. The working device has good coordination of movement, low operator fatigue and high operating efficiency. 3. Solid and durable structural parts Made of high-strength structural steel, the boom and dipper have long fatigue resistance life; The chassis adopts a reinforced X-frame structure with good stability and adaptability to complex construction environments.   Widely applicable working conditions Municipal construction and infrastructure Earth excavation and loading Construction site leveling and excavation Port material loading and unloading Farmland development and water conservancy projects

Equipment Overview The Hitachi R220-9S is a medium-sized hydraulic excavator designed for emerging markets. It is widely used in earthworks, road construction, municipal operations and other working conditions. It strikes a good balance between performance and cost and is the preferred model for many construction companies and second-hand equipment users.   Core performance highlights 1. Stable and reliable power system Equipped with original Isuzu engine (6BG1 or AH-6HK1 series), with sufficient power output and excellent fuel economy. The engine components are highly versatile, with low maintenance costs, and are widely adapted to the international market.   2. Sensitive and efficient hydraulic system Adopting high-performance hydraulic main pump and main control valve system, it has fast action response and high operation accuracy. With multiple working modes (Power/Eco), it can be switched freely according to the operation requirements.   3. Sturdy and durable structural parts The whole machine adopts thickened structural steel, especially strengthening the boom, dipper, chassis and supporting wheels, which is suitable for high-frequency and high-intensity operation environments. 20-ton body configuration, strong stability, suitable for medium and heavy load operations.   Applicable working conditions Earthwork excavation Infrastructure construction (such as roads/bridges/municipalities) Agricultural development and park construction Loading operations at construction sites     Why choose a used R220-9S?   The price is much lower than a new machine, and the return on investment period is short The market has a large number of units, and repair and maintenance are worry-free Good export adaptability, suitable for a variety of operating environments  

Equipment Introduction Volvo EC210 is a medium-sized hydraulic excavator launched by Volvo Construction Equipment, with a rated weight of about 21 tons. It is widely used in municipal engineering, earthwork construction, road and bridge construction, port loading and unloading and other fields. This model enjoys a high reputation in the global market for its high fuel efficiency, excellent operating comfort and excellent stability, especially in the Middle East, Africa, Southeast Asia and other places.       Core performance highlights 1. Volvo original engine · High efficiency and energy saving Equipped with the original Volvo D6 series engine (some of which are Tier 2/3 emissions), it has strong power and stable output. With automatic idling and energy-saving operation mode, it is 10-15% more fuel efficient than products of the same level. Low noise, low vibration, environmentally friendly and comfortable to operate. 2. Accurate and smooth hydraulic system Advanced load-sensing hydraulic system is used, which makes the control smooth and responsive. The action of the bucket rod and the boom is coordinated, which is suitable for scenes that require precise control, such as loading and leveling. 3. Heavy-duty chassis and structural parts The chassis structure is sturdy, adopts an X-shaped center frame structure, has strong torsion resistance, and is suitable for heavy-duty operations. The bucket rod, boom and bucket linkage system are durable and suitable for high-intensity continuous construction.     Recommended reasons Volvo brand endorsement, stable quality, high international market recognition Durable structural parts, smooth operation, suitable for various high-frequency construction needs Long maintenance cycle, low cost of use Second-hand machine prices are much lower than new machines, high return on investment

1. Brand and platform introduction HOWO series is one of the core product platforms of China National Heavy Duty Truck Group (SINOTRUK). It adopts German MAN technology and is widely used in global engineering, mining, logistics and construction transportation fields. The 6×4 drive layout has excellent load-bearing capacity and passing performance.     2. Core parameter configuration (taking typical configuration as an example Drive type 6×4 all-wheel drive engine Weichai/SINOTRUK MC series, 350~420 hp optional Gearbox HW19710 / 12-speed manual transmission Rear axle STR/MAN technology double-stage reduction axle, load capacity 16~20 tons tire 12.00R20 Wire-wire tire Frame High-strength manganese steel double-layer beam Dump truck type box U-shaped/rectangular, material optional: manganese steel/high-strength wear-resistant plate, 16~25m³   3.Performance Advantage Analysis a. High power output, suitable for heavy loads The engine power range covers 350-420 horsepower, with abundant torque, suitable for mountainous areas, mining areas, and large slope transportation conditions; b. Strong structure and strong reliability The bridge housing has high casting precision and stable structure; The frame, springs, and transmission system have been verified by long-term heavy-load conditions, with low failure rate. c. Diversified configuration and strong adaptability Optional configurations include ordinary cab/high roof/air conditioning/ABS/hydraulic flip; The car body size/tire/gearbox/horsepower/painting can be customized as needed. d. Convenient maintenance and sufficient accessories Global accessories are compatible, and after-sales maintenance is simple; Standardized design of wearing parts, convenient maintenance and low cost.   4.Recommended reasons summary HOWO 6×4 heavy truck is a mature and reliable popular model with a wide global user base Stable performance, high cost performance, low after-sales maintenance cost Flexible configuration, strong adaptability, can be customized according to the needs of customers in different countries Suitable for most engineering and transportation projects, an ideal choice for undertaking medium and large projects

1. Brand Overview HOWO is one of the flagship brands of SINOTRUK. With its mature MAN technology platform, HOWO 8×4 dump trucks are widely used in road engineering, urban construction and mining transportation in many countries around the world, especially in Africa, the Middle East, Southeast Asia and other regions, showing strong adaptability and durability     2. Main technical parameters  Drive type 8×4 four-axle drive engine Sinotruk MC series / Weichai WP10, horsepower range 350～430HP Gearbox HW19710 / 10-speed manual Frame High-strength manganese steel double-layer beam Rear axle STR/MAN technology double-stage reduction axle, load-bearing capacity 16 tons x 2 Tire configuration 12.00R20（Steel wire tire)     Rated load   30-40 tons       3. Product Advantages and Highlights a. Super strong load-bearing capacity · First choice for heavy industrial transportation The four-axle design greatly increases the upper limit of load capacity, which is suitable for large-scale heavy object transportation needs; High-strength frame and stable structure can withstand the heavy pressure test of mines and construction sites. b.Balanced fuel consumption and power · Better cost Stable engine output and excellent fuel consumption control; Multi-speed gearbox with rear axle speed ratio can flexibly adapt to different road conditions. c. Strong durability · Easy maintenance The carriage adopts high-strength wear-resistant plate, and reinforced side beams/bottom plates are optional; The main components have high structural versatility, easy replacement, and universal accessories.     4. Applicable working conditions Transportation of stone, coal, and gravel in large mines Urban infrastructure, road earthworks Port bulk material loading and site scheduling Heavy material handling in cement plants, brick plants, etc.

1. Brand and Product Overview Shaanxi F3000 series dump trucks are one of the backbone products in China's heavy-duty commercial vehicle industry and are affiliated to Shaanxi Automobile Group (SHACMAN). The F3000 platform adopts mature MAN technology, with stable vehicle performance, flexible configuration and low maintenance cost.     2. Main technical parameters Drive type 6×4 dual rear axle drive engine Weichai WP10 / WP12 series, horsepower range 336-430HP Gearbox Fast 10-speed / 12-speed manual transmission Rear axle MAN technology double-stage reduction axle, load-bearing capacity 16 tons x 2                              Frame High-strength manganese steel double-layer frame Tire specifications 12.00R20 Wire-wire tire Rated load 25-30 tons       3. Product Core Advantages a. Powerful Power System Equipped with Weichai's mature power, matched with Fast gearbox and Hande bridge, the power output is stable, the starting is powerful, and the climbing is worry-free. Optional low-speed high-torque configuration is suitable for harsh working conditions such as mines. b. High-load-bearing structure design The frame adopts a reinforced double-layer structure to improve the torsion and compression resistance; The car body material can be selected from high-strength wear-resistant plates to adapt to heavy material loading (sand, ore, construction waste, etc.). c. Fuel-saving and durable, cost-effective Precise fuel consumption control, long maintenance cycle, low use cost, suitable for long-term project investment. Accessories are universal worldwide, easy to maintain, and cost-controllable.     4. Applicable working conditions Earthwork transportation in cities and highways; Sand and gravel transportation in mines, coal transportation; Construction waste and concrete yard handling; Municipal engineering, port loading and unloading dispatching

1. Brand Background Introduction **SHACMAN** is one of the most influential heavy-duty truck manufacturers in China, with more than 50 years of experience in commercial vehicle R&D and production. As the star product of SHACMAN, the F3000 series is known for its "high reliability, high load-bearing capacity, and high cost-effectiveness", and widely serves many large-scale infrastructure, mining and construction projects around the world.     2. Product Technical Parameters Drive type 8×4 Four-axle dump truck Engine Brand Weichai WP10 / WP12, horsepower range: 336～430 HP Gearbox Fast 10 / 12 speed manual transmission                            Rear axle Hande double-stage reduction bridge (16 tons x 2) Frame structure High-strength manganese steel double-layer structure beam Tire specifications 12.00R20 Steel Wire Tire Rated load 35～40tons     3. Core advantages and highlights a. Large load capacity 8×4 multi-axle design further improves the load capacity, which is particularly suitable for large-volume heavy-load transportation such as mines, large earthworks, and building materials. High-strength bridge housing and stable suspension system ensure stable operation of the vehicle under full load. b. Strong power output Equipped with Weichai high-horsepower engine, it has abundant power, fast start and strong climbing ability. Multi-speed gearbox accurately matches output power to improve fuel economy. c. Wear-resistant and durable carriage The carriage is made of high-strength wear-resistant steel (Q345 / NM400 optional), which extends the service life and adapts to high-impact materials such as stone and gravel. Optional reinforced bottom plate and reinforced side beam structure support customized dump bucket size. 4d Strong adaptability to multiple environments Stable performance under high temperature, plateau and harsh working conditions, adapting to complex road environments in Africa, the Middle East, Central Asia and other regions.       5. Summary of customer recommendation reasons With stronger transport capacity and lower fuel consumption, it is an efficient choice for large-scale transport projects Stable structure and low failure rate, which reduces project operating costs Parts are easy to find, maintenance is convenient, and after-sales response is fast. International exports are mature and service facilities are complete, which truly achieves "buy with confidence and use with peace of mind"