[kaptain]

I have collected and now posting some manuals for Caterpillar Engines, covering C10, C12, C15 engines. 
I understand some Newell coaches have CAT, some others have Cummings, or Detroit Diesel in them.

CAT C10-C12 Engine Disassembly And Assembly.pdf Size: 14.49 MB  Downloads: 89

CAT C11 and C12 Truck Engine Specifications.pdf Size: 9.86 MB  Downloads: 49

CAT C11-and-C13-Industrial-Engines-Maintenance-Intervals.pdf Size: 497.78 KB  Downloads: 28

CAT C12 Electrical_Electronic Installation Guide.pdf Size: 2.66 MB  Downloads: 48

Cat C15 Engine Dissasembly and Assembly.pdf Size: 10.58 MB  Downloads: 71

CAT C15 Testing & Adjustment.pdf Size: 3.47 MB  Downloads: 74

CAT Engine C10, C12, C15 Y C18 Troubleshooting Manual.pdf Size: 4.7 MB  Downloads: 82

CAT Engine C13 Operation & Maintenance Manual.pdf Size: 1.4 MB  Downloads: 23

CAT Truck Engine Programming Manual.pdf Size: 5.55 MB  Downloads: 66