John Deere Serial Number Lookup

Engine Codes:

Use your Gator's serial number to find year of manufacture using the reference material attached. Please note there are two columns and you need to determine where your serial number falls. If not in this list, call your local dealer. When ordering parts your dealer will likely need the serial number to ensure correct parts are supplied. John Deere Engine Serial Number Decoder Understand your diesel engine serial number quickly with the John Deere Serial Number Decoder from Diesel Parts Direct. Ordering the correct parts for your John Deere engine can be complicated, but we’ve simplified the.

# is the Horsepower of the Engine

T= Tecumseh

K= Kohler

110 Garden Tractor:

1963 = 7K 2551 - 3550

1964 = 8K 3551 - 15000

1965 = 8K 15001 - 40000

1966 = 8K 40001 - 65000

1967 = 8K 65001 - 100000

1968 = 8K 100001 - 130000

1969 = 8K 130001 - 150000

1970 = 8K 160001 - Up

112 Garden Tractor:

1966 = 10T 2,551 - 3,550

1967 = 10T 3,551 - 100,000

1968 = 10T 100,001-130,000

1969 = 10T 130,001-150,000

1969 = 10K 150,001-160,000

1970 = 10T 160,001-180,000

1970 = 10K 180,001-225,000

1971 = 10T 185,001-250,000

1971 = 10K 225,001-250,000

1972 = 12K 250,001-260,000

1973 = 12K 260,001-300,000

1974 = 12K 300,001 - Up

120 Garden Tractor:

1970 = 12K 1,001 - 7,500

1971 = 12K 7,501 - Up

140 Garden Tractor:

For this range of tractors, the serial number plate will look something like this--

T0581 001,001M

T0581 is the type code (see below)

001,001M is the serial number

Identification Codes for SN under 10,001 (1968 models) Note-- Some codes are used that mean different things in different years, so you must have the serial number to figure out the proper code.

Code/ Tires/ Engine/ Hydraulics:

T0581/ GT-3/ 12K/ H-1

T0582/ GT-4/ 12K/ H-1

T0585/ GT-5/ 12K/ H-1

T0583/ GT-3/ 12K/ H-3

T0584/ GT-4/ 12K/ H-3

T0586/ GT-5/ 12K/ H-3

Tire Codes:

GT-3-- 16x6.50-8 front 23x8.50-12 turf rear

GT-4-- 4.80/4.00-8 front 23x8.50-12 traction rear

GT-5-- 16x6.50-8 front 23x10.50-12 turf rear

Identification Codes for SN 10,001-Up Note-- Some codes are used that mean different things in different years, so you must have the serial number to figure out the proper code.

Note--A sales bulletin that shows until approximately November 25 of 1968 that the 1968 type codes were used, meaning the first few 1969 models may have 1968 type codes, but they would have all the 1969 model features.

Code SN Range Year Color Engine Hydraulics:

T0581 10,001-22,400 1969 Green 14K H-1

T0581 10,001-22,400 1969 White 14K H-1

T0583 10,001-22,400 1969 Green 14K H-3

T0583 10,001-22,400 1969 White 14K H-3

T0581 22,401-30,000 1970 Green 14K H-1

T0582 22,401-30,000 1970 White 14K H-1

T0583 22,401-30,000 1970 Green 14K H-3

T0584 22,401-30,000 1970 White 14K H-3

T0581 30,001-38,000 1971 Green 14K H-1

T0582 30,001-38,000 1971 White 14K H-1

T0583 30,001-38,000 1971 Green 14K H-3

T0584 30,001-38,000 1971 White 14K H-3

T0585 38,001-46,500 1972 Green 14K H-1

T0586 38,001-46,500 1972 Green 14K H-3

T0585 46,501-56,500 1973 Green 14K H-1

T0586 46,501-56,500 1973 Green 14K H-3

T0585 56,501- Up 1974 Green 14K H-1

T0586 56,501- Up 1974 Green 14K H-3

Last Updated: Monday, 20 January 2020

© Copyright 2004-2020 By Mike and Jen Murphy

Engine Codes:

# is the Horsepower of the Engine

T= Tecumseh

K= Kohler

110 Garden Tractor:

1963 = 7K 2551 - 3550

1964 = 8K 3551 - 15000

1965 = 8K 15001 - 40000

1966 = 8K 40001 - 65000

1967 = 8K 65001 - 100000

1968 = 8K 100001 - 130000

1969 = 8K 130001 - 150000

1970 = 8K 160001 - Up

112 Garden Tractor:

1966 = 10T 2,551 - 3,550

1967 = 10T 3,551 - 100,000

1968 = 10T 100,001-130,000

1969 = 10T 130,001-150,000

1969 = 10K 150,001-160,000

1970 = 10T 160,001-180,000

1970 = 10K 180,001-225,000

1971 = 10T 185,001-250,000

1971 = 10K 225,001-250,000

1972 = 12K 250,001-260,000

1973 = 12K 260,001-300,000

1974 = 12K 300,001 - Up

120 Garden Tractor:

1970 = 12K 1,001 - 7,500

1971 = 12K 7,501 - Up

140 Garden Tractor:

John Deere Serial Number Lookup

For this range of tractors, the serial number plate will look something like this--

T0581 001,001M

T0581 is the type code (see below)

001,001M is the serial number

Identification Codes for SN under 10,001 (1968 models) Note-- Some codes are used that mean different things in different years, so you must have the serial number to figure out the proper code.

Code/ Tires/ Engine/ Hydraulics:

T0581/ GT-3/ 12K/ H-1

T0582/ GT-4/ 12K/ H-1

T0585/ GT-5/ 12K/ H-1

T0583/ GT-3/ 12K/ H-3

T0584/ GT-4/ 12K/ H-3

T0586/ GT-5/ 12K/ H-3

Tire Codes:

GT-3-- 16x6.50-8 front 23x8.50-12 turf rear

GT-4-- 4.80/4.00-8 front 23x8.50-12 traction rear

GT-5-- 16x6.50-8 front 23x10.50-12 turf rear

Identification Codes for SN 10,001-Up Note-- Some codes are used that mean different things in different years, so you must have the serial number to figure out the proper code.

Note--A sales bulletin that shows until approximately November 25 of 1968 that the 1968 type codes were used, meaning the first few 1969 models may have 1968 type codes, but they would have all the 1969 model features.

Code SN Range Year Color Engine Hydraulics:

T0581 10,001-22,400 1969 Green 14K H-1

T0581 10,001-22,400 1969 White 14K H-1

T0583 10,001-22,400 1969 Green 14K H-3

T0583 10,001-22,400 1969 White 14K H-3

T0581 22,401-30,000 1970 Green 14K H-1

John Deere Serial Number Lookup Model A

T0582 22,401-30,000 1970 White 14K H-1

T0583 22,401-30,000 1970 Green 14K H-3

T0584 22,401-30,000 1970 White 14K H-3

T0581 30,001-38,000 1971 Green 14K H-1

T0582 30,001-38,000 1971 White 14K H-1

T0583 30,001-38,000 1971 Green 14K H-3

John Deere Serial Number Lookup Combine

T0584 30,001-38,000 1971 White 14K H-3

T0585 38,001-46,500 1972 Green 14K H-1

T0586 38,001-46,500 1972 Green 14K H-3

T0585 46,501-56,500 1973 Green 14K H-1

T0586 46,501-56,500 1973 Green 14K H-3

T0585 56,501- Up 1974 Green 14K H-1

T0586 56,501- Up 1974 Green 14K H-3

Last Updated: Monday, 20 January 2020

Serial Number Information - John Deere

© Copyright 2004-2020 By Mike and Jen Murphy

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