| ||Format||Pages||Price|| |
|PDF (336K)||20||$25||  ADD TO CART|
|Complete Source PDF (5.2M)||351||$55||  ADD TO CART|
In November 1971, Caterpillar Tractor Co. started to change the measurement system in all its U. S. operations to the International System of Units (SI). This paper gives a brief description of Caterpillar, its products, policies, and worldwide operations to help in understanding the reasons for this decision.
metric system, units of measurement, standards, tooling, threads, pipe threads, drawings, machining, machine tools