Caterpillar Operators Manual | Format: Enhanced Reproduction (Written by Manufacturer) | Pages: Complete Manual | Fits: G353 Engine (SN# 46B1 and Up | 47B1 and Up) (Gas ) Content: Critical every day use and preventative maintenance information for your Caterpillar Engine (CT-O-ENG G353). In general, Operators Manuals usually contain lubrication, capacities, minor adjustment procedures, and other important usage information. Every Caterpillar owner should have the operators manual.