Caterpillar Engine Serial Number Meaning

  1. 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.
  2. Engine Model Numbers And Prefixes. Enter the engine model or prefix number into the search box to find the application use. Model Prefix Application.
  3. 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 Prefixes
Caterpillar serial number prefixes and their country of origin.
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Caterpillar Serial Number Pattern
Describes the serial number pattern used by Caterpillar.
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Caterpillar Models
Lists top Caterpillar models sold at auction in the last year.
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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

  • 120G Motor Grader
  • 12F Motor Grader
  • 12G Motor Grader
  • 12H Motor Grader
  • 140G Motor Grader
  • 140H Motor Grader
  • 140M Motor Grader
  • 226B Skid Steer Loader
  • 236B Skid Steer Loader
  • 246B Skid Steer Loader
  • 247B Skid Steer Loader
  • 252B3 Skid Steer Loader
  • 257B Skid Steer Loader
  • 262B Skid Steer Loader
  • 277B Skid Steer Loader
  • 287B Skid Steer Loader
  • 303CR Excavator
  • 312CL Excavator
  • 315BL Excavator
  • 315CL Excavator
  • 320BL Excavator
  • 320CL Excavator
  • 320DL Excavator
  • 320L Excavator
  • 325BL Excavator
  • 325CL Excavator
  • 325L Excavator
  • 330BL Excavator
  • 330CL Excavator
  • 330DL Excavator
  • 330L Excavator
  • 345BL Excavator
  • 345BLII Excavator
  • 345CL Excavator
  • 416 Backhoe Loader
  • 416B Backhoe Loader
  • 416C Backhoe Loader
  • 416CIT Backhoe Loader
  • 416D Backhoe Loader
  • 416E Backhoe Loader
  • 420D Backhoe Loader
  • 420DIT Backhoe Loader
  • 420E Backhoe Loader
  • 420EIT Backhoe Loader
  • 426B Backhoe Loader
  • 430D Backhoe Loader
  • 446B Backhoe Loader
  • 613C Motor Scraper
  • 613C Water Wagon
  • 615CII Motor Scraper
  • 621B Motor Scraper
  • 621F Motor Scraper
  • 623B Motor Scraper
  • 623E Motor Scraper
  • 627B Motor Scraper
  • 631D Motor Scraper
  • 725 Trucks – Off-highway
  • 730 Trucks – Off-highway
  • 740 Trucks – Off-highway
  • 815 Compaction Equipment
  • 815B Compaction Equipment
  • 815F Compaction Equipment
  • 924G Rubber-tired Loader
  • 928G Rubber-tired Loader
  • 930 Rubber-tired Loader
  • 938G Rubber-tired Loader
  • 938GII Rubber-tired Loader
  • 950 Rubber-tired Loader
  • 950FII Rubber-tired Loader
  • 950G Rubber-tired Loader
  • 950GII Rubber-tired Loader
  • 950H Rubber-tired Loader
  • 953 Crawler Loader
  • 953C Crawler Loader
  • 963 Crawler Loader
  • 963B Crawler Loader
  • 963C Crawler Loader
  • 966C Rubber-tired Loader
  • 966D Rubber-tired Loader
  • 966G Rubber-tired Loader
  • 980C Rubber-tired Loader
  • 980G Rubber-tired Loader
  • 980H Rubber-tired Loader
  • 988B Rubber-tired Loader
  • C6000 Forklift
  • CP433C Compaction Equipment
  • CP563C Compaction Equipment
  • CS563E Compaction Equipment
  • D3C Crawler Tractor
  • D3CIII Crawler Tractor
  • D3G Crawler Tractor
  • D3GXL Crawler Tractor
  • D4GXL Crawler Tractor
  • D4H Crawler Tractor
  • D5G Crawler Tractor
  • D5GXL Crawler Tractor
  • D5H Crawler Tractor
  • D5M Crawler Tractor
  • D5MXL Crawler Tractor
  • D5N Crawler Tractor
  • D5NXL Crawler Tractor
  • D6C Crawler Tractor
  • D6D Crawler Tractor
  • D6H Crawler Tractor
  • D6M Crawler Tractor
  • D6N Crawler Tractor
  • D6NXL Crawler Tractor
  • D6R Crawler Tractor
  • D6RII Crawler Tractor
  • D6RXL Crawler Tractor
  • D6RXLII Crawler Tractor
  • D7G Crawler Tractor
  • D8H Crawler Tractor
  • D8K Crawler Tractor
  • D8L Crawler Tractor
  • D8N Crawler Tractor
  • D8R Crawler Tractor
  • D8RII Crawler Tractor
  • D8T Crawler Tractor
  • IT28G Integrated Tool Carrier
  • SR4 Generator
  • TH460B Forklift
  • TH63 Forklift
  • TH83 Forklift