In the second-hand rotary drilling rig market, "origin" often determines the true value and subsequent performance of the equipment. Original factory machines refer to equipment produced by brand manufacturers that has not undergone major modifications by third parties, while refurbished machines ar Read More

The engine is the "heart" of a second-hand rotary drilling rig, and its operating conditions directly determine the power performance and usage cost of the equipment. Mastering the three-step method of "listening, observing and measuring" can help you quickly determine the true condition of the engi Read More

The hydraulic system is the "blood vessel" of a second-hand rotary drilling rig, and its condition directly affects the performance and lifespan of the equipment. When inspecting the machine, grasping the key details can help quickly determine the true condition of the hydraulic system and avoid mak Read More

In the trading of second-hand rotary drilling RIGS, "hours" are often used as a reference to measure equipment wear and tear, but some merchants may tamper with the data. Learning to distinguish its authenticity is the key to avoiding falling into a trap.1. Compare equipment wear: If the hour displa Read More

The "working condition adaptability" of second-hand rotary drilling RIGS refers to the degree of matching between the equipment performance and the specific construction scenario. It directly determines whether the equipment can operate efficiently. If the compatibility is poor, even the cheapest eq Read More