Masters who operate CAT excavators know that sudden speed drops and black smoke emissions are often not a major problem, but rather a result of sensors not reporting in a timely manner. The CAT Caterpillar sensor 1221522 is specifically designed for this purpose - when the engine is running, it acts like a "sentinel on duty", monitoring whether the fuel pressure is sufficient or the water temperature is high. Once the values deviate, it immediately sends a signal to the control module, either the dashboard lights up to remind or the engine slows down slightly for protection, to avoid minor problems from causing major repairs.
The durability of this sensor is crucial. On the construction site, there is a lot of dust and the machines shake violently. Its shell is sealed, so it is not afraid of short circuits even if it is splashed with rainwater or oil; The sensing element responds quickly, for example, when the fuel pressure suddenly drops, it can instantly capture it, a few seconds earlier than the operator's judgment based on experience, just enough to stop the machine for inspection in a timely manner, without burning out the pump. When adapting to old models such as 320D and 336D, there is no need to adjust the program after plugging in, and the data is directly connected to the original car system, saving a lot of trouble.
The difference between the original factory and the auxiliary factory sensors can be felt by experienced operators as soon as they use them. The original sensing element is customized by Caterpillar, with small data deviation. For example, when measuring water temperature, it displays 30 ℃ when it is actually 30 ℃, without fluctuating high or low. It is suitable for heavy-duty vehicles that work for more than 10 hours a day and can be used stably for two or three years. The components of the subsidiary factory are compliant and universal, with data errors within the normal range. They are suitable for daily work, even in extremely cold and hot places, and may have a shorter lifespan than the original factory, making them suitable for vehicles with less frequent work.
Ningbo Qiuning Trading Co., Ltd. often encounters machine operators struggling with which one to choose: those who plan to drive the car for five or six years should not worry about the original sensors; The car is about to be replaced and used for transition, with high cost-effectiveness from the aftermarket. We can also help to find specific compatible models to avoid buying the wrong one and making a wasted trip.
To learn about compatible models or compare prices, please contact:
WeChat/WhatsApp：+8615888032469
E-mail： allen@perkins-rx.com
Engine
CATERPILLAR excavators Excavator series: 312D, 313D, 315D, 318D, 320C, 320CL, 320D, 320DL, 323D, 323DL, 324D 326D, 325C, 325D, 329D, 329DL, 330D, 330C, 330CL, 330DL, 336D, 336DL, 345C, 345CL, 345D, 345DL, 349D, 349DL, 365C, 365CL, 374D, 374DL, 385C, 3 85CL, 390D, 390DL, 305.5, 306, 307, 307C, 307D, 308, 308C, 308D, 305.5E, 306E, 307E, 308E, 305.5E2, 306E2, 307E2, 308E2, 313D2, 318D2, 320D2 323D2, 326D2, 329D2, 330D2, 336D2, 349D2, 374F, 390F.
Caterpillar engine Series: 4M40, C4.2, C6.4, C6.6, C7, C-9, C13, C15, C18, C10, C11, C12, C16, C-16, C-15, C27, C32, C175; 3066, 3056, 3054, 3116, 3126, 3204, 3304, 3306, 3406, 3408, 3412, 3456, 3504, 3508, 3512, 3516, 3606, 3608, 3612, 3616.
Carter engine model C-9, C-10, C-11, C-12, C-13, C-15, C-16, C-18, C0.5, C0.7, C1.1, C1.5, C1.6, C2.2, C3.3, C3.4, C4.4, C6.4, C6.6, C7, C9, C11, C12, C13 C15, C18, C27, C32, C175, C280
Main models D315, D318, D326, D330, D330, D333, D334, D336, D339, D340, D342, D343, D346, D348, D349, D353, D364, D375, D379, D397, D398, D399 1140,1145 1150,1160,1670,1673,1674,1676,1693, 3003,3011,3013,3014,3024,3034,3044,3054,3056,3064,3066, 3114,3116,3126,3145,3150,3160 3176,3181,3196 3204,3208, 3304,3306 3406,3408,3412,3456 3508,3512,3516,3524.
