Caterpillar 12M Motor Grader Specs Parts Catalog Manual
Parts Manual
12M Motor Grader
B921-Up (Machine) KHX1-Up (Engine) TX71-Up (Engine)
MKD1-Up (Transmission) TSZ1-Up (Transmission)
MACHINE IDENTIFICATION Components such as engines, transmissions, axles, etc. Cat machines are identified by Product Identification and work tools will continue to use an 8 character Serial Numbers (PIN). Some components included in a Number (S/N). machine may be identified by Serial Numbers (S/N). 2. ORDERING PARTS Typical components that will be serialized include
engines, transmissions, bulldozers, and rippers. The machine and engine are further identified by arrangement numbers and in some cases modification numbers. These numbers are shown on the product identification plate(s) and on the master plate in the operator’s compartment.
PARTS MANUAL ORGANIZATION
Product information in this manual is presented as “information elements” that represent all of the components for the specific model. Engine Arrangement and Seat Group are examples of information elements. The information elements are organized alphabetically by part name and secondarily by part number within each major section of the manual.
REMANUFACTURED COMPONENTS
As an option when making repairs consider Cat Remanufactured Components. Components that are available through the Cat Remanufactured Program are identified three ways in the parts book:
• with the letter R in the note field of the parts list
• with an R* at the beginning of the first line of the caption
• with an *R at the end of the first line of the caption
Typical components included in the Remanufacturing Program include: ALTERNATORS
CONNECTING RODS CRANKSHAFTS – UNDERSIZE CRANKSHAFTS – UPGRADE TO NEW CYLINDER HEADS
ELECTRONIC CONTROL MODULES (ECM) ELECTRONIC SENSORS
FUEL INJECTORS FUEL NOZZLES FUEL PUMPS GOVERNORS OIL PUMPS PISTONS
SHORT BLOCKS STARTERS
TURBOCHARGERS – COMPLETE TURBOCHARGER CARTRIDGES WATER PUMPS
Cat Remanufactured engines for many engine arrangements are also available.
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