![D2](/images/machinery/d2-1.jpg)
The Cat D2
The D2 is one of the most well-known and most-admired of the classic Caterpillar Diesel tractors.
![Caterpillar 2 Ton](/images/machinery/2_ton_1.jpg)
Caterpillar 2 Ton
The Caterpillar 2 ton was one of the original tractors in the Caterpillar lineup when the company was formed in 1925
![Caterpillar 5 Ton](/images/machinery/5_ton_2.jpg)
Caterpillar 5 Ton
The Caterpillar 5 ton was one of the original tractors in the Caterpillar lineup when the company was formed in 1925
![Caterpillar 10 Ton](/images/machinery/10_ton_1.jpg)
Caterpillar 10 Ton
The Caterpillar 5 ton was one of the original tractors in the Caterpillar lineup when the company was formed in 1925
![Caterpillar Fifteen](/images/machinery/cat_fifteen_1.jpg)
Caterpillar FIFTEEN
The Caterpillar FIFTEEN was introduced in 1929 and was, in effect a larger version of the Caterpillar TEN, being mechanically very similar
![The Cat DIESEL SIXTY](/images/machinery/diesel-sixty-1.jpg)
The Cat DIESEL SIXTY and DIESEL SIXTY FIVE
The DIESEL SIXTY was the very first Caterpillar diesel tractor and used the new D9900 diesel engine.
![The Cat SEVENTY](/images/machinery/seventy-1.jpg)
The Cat SEVENTY
The Gas SEVENTY was one of the last big Gas (Gasoline) tractors Caterpillar made.
![The Cat DIESEL SEVENTY](/images/machinery/diesel-seventy-1.jpg)
The Cat DIESEL SEVENTY
The DIESEL SEVENTY used the diesel engine from the DIESEL SIXTY FIVE in a new large chassis and was produced only briefly in 1933.
![The Cat DIESEL SEVENTY FIVE](/images/machinery/diesel-seventy-five-1.jpg)
The Cat DIESEL SEVENTY FIVE
The DIESEL SEVENTY FIVE replaced DIESEL SEVENTY which was made only briefly in 1933.
![The Cat D5 9M](/images/machinery/d5-9m-1.jpg)
The Cat D5 9M
The D5 9M was the very first tractor to bear the designation D5 and is extremely rare.
![Cat No.212 Motor Grader](/images/machinery/212-1.jpg)
The Cat No.212 Motor Grader
The No. 212 is often referred to as the baby of the motor grader family and was the replacement for the No. 10 auto patrol.
![Track Type Family Tree](/images/machinery/track-type-family-tree-1.jpg)
Caterpillar Track Type Tractor Family Tree
During certain periods of time the numbering of Caterpillar tractor models caused some confusion.