冷再生机出租市场上，品牌和型号琳琅满目。租之前不搞清楚各型号的核心参数，很可能租回来的设备“用不了”或“不好用”。

There are a wide variety of brands and models available in the rental market for cold recycling machines. If you don't understand the core parameters of each model before renting, it is very likely that the rented equipment will be "unusable" or "difficult to use".

市场主流品牌与型号。 目前出租市场常见的冷再生机品牌包括德国维特根（Wirtgen） 、国产徐工、达刚控股等。维特根WR系列是行业代表，徐工500-700系列是国产主力，达刚DL2500等型号也常见于租赁市场。

Mainstream brands and models in the market. At present, common cold recycling machine brands in the rental market include Wirtgen from Germany, XCMG from China, and Dagang Holdings. The Wirtgen WR series is the industry benchmark, the XCMG 500-700 series is the main domestic product, and models such as the Dagang DL2500 are also common in the rental market.

维特根WR系列参数详解。 以威特根WR250为例：机身长度9.6米、宽度3米、高度3米，工作重量31吨。777马力的发动机为其提供强劲动力。维特根还提供WR 200、WR 240等多款轮式冷再生机。WR2500S和WR2000是租赁市场上非常常见的型号。

Detailed explanation of the parameters of the Wirtgen WR series. Taking the Wittgen WR250 as an example: the body length is 9.6 meters, the width is 3 meters, the height is 3 meters, and the working weight is 31 tons. The 777 horsepower engine provides it with strong power. Wittgen also offers multiple wheeled cold regeneration machines such as WR 200 and WR 240. WR2500S and WR2000 are the most common models in the rental market.

徐工系列参数概览。 徐工500、550、600、700系列冷再生机在租赁市场保有量很大。型号数字通常代表发动机功率或处理能力等级，数字越大功率越高、处理能力越强。徐工系列以性价比高、配件供应充足著称。

Overview of XCMG series parameters. The XCMG 500, 550, 600, and 700 series cold recycling machines have a large number of units in the rental market. The model number usually represents the engine power or processing capability level, with higher numbers indicating higher power and stronger processing capabilities. The XCMG series is known for its high cost-effectiveness and abundant supply of accessories.

选型前建议确认的5个技术参数。 租赁前要向出租方索要设备的技术参数表，核心确认以下5项：

5 technical parameters that must be confirmed before selection. Before leasing, it is necessary to request the technical parameter table of the equipment from the lessor, with a focus on confirming the following 5 items:

工作宽度——决定一次作业能覆盖多宽的路面，直接影响施工效率。

Working width - determines how wide the road surface can be covered in a single operation, directly affecting construction efficiency.

铣刨深度——决定设备能处理多厚的旧路面层，不同再生工艺对深度要求不同。

Milling depth - determines how thick old pavement layers the equipment can handle, and different recycling processes have different depth requirements.

拌和能力——决定单位时间能处理多少物料，与施工进度直接相关。

Mixing capacity - determines how much material can be processed per unit time and is directly related to the construction progress.

发动机功率——决定设备能否应对硬质路面，功率不足会导致施工卡顿。

Engine power - determines whether the equipment can handle hard road surfaces, and insufficient power can cause construction delays.

供水系统能力——冷再生施工需要加水调节含水量，供水系统的计量精度和喷洒宽度直接影响再生质量。

The capacity of the water supply system - Cold regeneration construction requires adding water to adjust the water content, and the measurement accuracy and spraying width of the water supply system directly affect the quality of regeneration.

选型黄金法则：适配工况，不盲目追求大功率。 很多施工单位租赁时只看租金高低，忽略设备型号、性能与施工场景的匹配度，非常终导致施工卡顿、返工，反而增加额外成本。小型工程选小型机是经济实惠之选；大型工程建议选大功率设备。

The golden rule of selection: adapt to working conditions and not blindly pursue high power. Many construction units only consider the rental price when renting, ignoring the compatibility of equipment models, performance, and construction scenarios, ultimately leading to construction delays, rework, and additional costs. Choosing a small-sized machine for small-scale projects is an economical choice; Large scale projects must choose high-power equipment.

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