Case tractors represent a durable line of agricultural equipment designed to handle demanding field operations. These machines combine robust chassis, efficient powertrains, and implements suited for both small to mid sized farms and larger operations.
Across the Case lineup, manufacturers emphasize serviceability, parts availability, and operator comfort. Understanding the specific models, their configurations, and real world performance helps buyers align machine choice with daily workload and long term value.
| Model | Horsepower | Transmission | Weight (kg) | Approx Price (USD) |
|---|---|---|---|---|
| Case 520 | 69 | 8F+4R Manual | 3770 | 125,000 |
| Case 620 | 96 | 12F+4R Manual | 4300 | 160,000 |
| Case 720 | 127 | 16F+4R Manual | 5150 | 210,000 |
| Case 820 | 149 | 16F+4R Manual | 5600 | 245,000 |
| Case 880 | 184 | 12F+4R PowerShift | 6100 | 295,000 |
Engine Specifications And Power Options
Case tractor models offer inline and turbocharged diesel choices, optimized for fuel efficiency and torque at various rpm ranges. Larger displacement engines in higher horsepower classes support heavier attachments and continuous field work without excessive wear.
C排量与输出匹配
Displacement levels and injection strategies align with expected duty cycles, helping operators balance initial cost against long term fuel and maintenance budgets. Understanding engine layout assists in matching loader, baler, or sprayer implements to available power bands.
Transmission And Drivetrain Configurations
Transmission design directly affects speed ranges, implement control, and operator fatigue across different crops and terrains. Multi range mechanical gearboxes remain popular for their reliability, while power shift options enable smoother speed changes under load.
齿轮选择与作业节奏
Short ratio gearboxes suit demanding tillage and lifting tasks, whereas high range gears are ideal for transport between field edges. Operators working variable slope conditions may prioritize models with advanced differential locks or hydraulic clutches for safer engagement.
Hydraulics, Three Point Linkage, And Attachments
Hydraulic systems on Case tractors deliver consistent flow and pressure for implements such as loaders, mowers, and post hole diggers. Lift capacity, ram speed, and closed center versus open center configurations determine compatibility with after market equipment.
液压适配与工作半径
Three point linkage dimensions and weight transfer characteristics influence draft control when plowing, discing, or pulling trailed equipment. Reviewing reach, lift height, and linkage spacing helps avoid bottlenecks when scaling operations or switching tool brands.
Operator Comfort, Controls, And Cab Features
Cabin layout, suspension seats, and intuitive control placement reduce fatigue during long operating hours on uneven terrain. Climate control, visibility, noise reduction, and access for maintenance all contribute to total cost of ownership and resale perception.
人机工程与视距优化
Higher spec models may include rear camera systems, better instrument clusters, and integrated displays for hydraulics and diagnostics. Evaluating ergonomics and service intervals ensures daily usability matches crew expectations and local working conditions.
选型建议与使用策略
- 根据年均作业小时数与土壤条件选择合适马力与传动类型,避免长期低效运行。
- 确认液压流量与压力是否满足未来升级的 loader、割台或喷洒设备需求。
- 评估 cab 舒适性、视野与控制系统布局,降低长时间作业的疲劳风险。
- 比较本地经销商的服务响应、原厂配件库存与培训资源,保障停机时间最小化。
- 制定定期保养计划并记录关键液压与传动参数,便于预测性维护和二手价值保持。
FAQ
Reader questions
哪些机型适合中小规模农场且具备液压 loader 功能?
Case 520 和 Case 620 搭配原厂或认证 loader 套件,能够以较高效率完成饲料、肥料和轻量物料的搬运,同时保持较低的维护复杂度。
高端液压系统与标准系统在维护成本上有何差异?
高端闭式中心液压回路在流量稳定性与操作平滑度上更优,但密封件和滤芯更换频率略高;标准开式回路更经济且维修点普遍,长期使用需权衡采购价与停机成本。
多档变速箱在坡地作业时如何影响操作安全性?
更多档位提供更细的速度与扭矩匹配,在陡坡上能保持稳定驱动力与可控的倒车速度,减少频繁换挡负担,同时可配合差速锁提升牵引与制动安全性。
在选择三点半悬挂系统时应优先关注哪两项参数?
优先核查三点悬挂的 lift capacity 与 ram speed,确保在目标作业下能平稳提升并控制重载工具;同时核对 linkage 类型与尺寸以适配现有或计划采购的附件。