I'm a tiny bit confused, a battery blanket and glow plugs are referring into the motor oil. Your issue is with regards to the 10w-thirty utilized as hydraulic oil in more mature machines. Of course, 10w-thirty was and is still employed my quite a few machines of that era even https://automotiveelectronics94925.designi1.com/49296385/indicators-on-types-of-hydraulic-fluid-for-bobcat-753-you-should-know