Zenith TU4C rebuild kit         

fits the following TU4C downdraft type carburetors:

Caterpillar D2; D4 crawler Pony Motors [see models below]

Caterpillar 10; 112; 212 Auto Patrol Motor Graders with pony motors.

With Zenith carb nos. 9545; 9790; 10365; 10367; 10368; 12441; 12614; 12826; 12966

Caterpillar and other tractors with these Zenith carb numbers:

S249, 9545, 9546, 9547, 9549, 9790, 10364, 10365, 10366, 10367, 10368, 10369, 10439,
11346, 11681, 12028, 12172, 12173, 12436, 12441, 12587, 12589, 12614, 12826, 12865, 12966, 

Caterpillar Starting Engine Models D4600, E34, DS4, E40, 944, 955, 966, D330A, D333A, D342, 343A, 3530

John Deere 70; 730; 80; 720; 820 2 cyl; 830 2 cyl. pony motors 

Instructions Included in kit