- The engine's serial number plate is usually found on the right rear side of the left cylinder block. Wheel loader serial number plates can usually be found on the left side of the front frame near the operator's box. The serial number plate for skid steer loaders and multi-terrain loaders is usually found at the rear of the machine.
- Engine Model Numbers And Prefixes. Enter the engine model or prefix number into the search box to find the application use. Model Prefix Application.
- Your Caterpillar Serial Number (SN) is an 8 character alphanumeric code, typically starting with 3 letters and ending with 5 numbers. In early 2000 Caterpillar changed to a 17 character Product Identification Number (PIN) that conforms to the construction equipment industry standard. The PIN contains the serial number for the machine.
An engine data plate is located on the driver’s side of the valve cover consisting of engine model and serial numbers. Model 3126 Engine The 3126 series engine was used by Caterpillar in both marine and on-highway vehicles during the 1980s. December 5, 2019 by Bruce Cansler When researching service and/or parts information for a Caterpillar engine it is very important to include the Arrangement Number (AN) along with the Engine Serial Number (ESN). The AN is a breakdown of the different components used in a specific engine.
Top Bid provides extensive data to help you value used Caterpillar construction equipment for sale:
Caterpillar Engine Serial Number Decoder
|Price Reference Guide|
Accurate and standardized used Caterpillar values and prices.
|Serial Number Guide|
Caterpillar year of manufacture and country of origin according to the serial number.
Caterpillar serial number prefixes and their country of origin.
|Caterpillar Serial Number Pattern|
Describes the serial number pattern used by Caterpillar.
Lists top Caterpillar models sold at auction in the last year.
Caterpillar Serial Number Pattern
Caterpillar uses a 3-character alphanumeric prefix followed by a 5-digit number. You can reference the prefix in the Model, Series, and Country of Origin table.
Example: D10 Crawler Tractor, 76X00367
Top Caterpillar Models Recently Sold at Auction
Caterpillar Engine Serial Number Identification