110 GT SN 65,001-100,000
112 GT SN 2,551-100,000
For this range of tractors, the serial number plate will look something like this---

T 1 313 069178 M

T is Tractor
1 is tractor series
        1= 110
        2= 112
313 is an idetification code (see below)
069178 is the serial number
M is the factory suffix
        M= Horicon Works

Note- 1966 112 models had the T at the beginning changed to SNT like 1966 110 models.
Identification Codes

Tires        110 Manual lift             110 Hydraulic lift                  112 Manual lift                 112 Hydraulic lift
               NMD         MD            NMD            MD                      NMD                               NMD
GT-1       300         304               307            311                         ---                                    ---
GT-2       301         305               308            312                         ---                                    ---
GT-3       302         306               309            313                         314                                  316
GT-4       303         ---                310             ---                          315                                  317

MD= Factory installed mower drive
NMD=Not factory installed mower drive

Tire Codes
GT-1= 4.80/4.00-8 front 6-12 turf rear
GT-2= 4.80/4.00-8 front 6-12 traction rear
GT-3= 16x6.50-8 front 23x8.50-12 high flotation rear
GT-4= 4.80/4.00-8 front 23x8.50-12 traction rear
PLEASE NOTE---When it comes to going by tire sizes, these tractors are 34 years old, a lot can happen to them in that time.  Also, if a customer wanted a different tire size the dealer could have either switched tires from tractors in his stock or ordered and installed different tires.  So if your tractor does not have the "correct" tire size, do not get alarmed, as this only shows how it left the factory.  Thanks.
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