The Caterpillar C1.7 is a 1.66 L (103.7 cu-in) three-cylinders water-cooled four-stroke internal combustion diesel engine manufactured by Caterpillar Inc.,
The Caterpillar C1.1 is a 1.13 L (1,130 cc) thee-cylinders water-cooled four-stroke internal combustion diesel engine manufactured by Caterpillar Inc.,