Hi Brett

Here's the specs on your tractor:
Model # Serial Year Product Name
01-12KE02 None - None 1981 C-125 Automatic Tractor
Feature List Model Number 01-12KE02
Model Year 1981
Beginning Serial # None
Ending Serial # None
Product Name C-125 Automatic Tractor
Product Brand Wheel Horse
Product Type Riding Products
Product Series Garden Tractor, 3/4/500, C, GT
Swath Deck Optional
Discharge Deck Optional
Engine/Motor Manufacturer Kohler
Engine/Motor Model # K301AS-47742
Engine/Motor Size # 12 hp
Engine/Motor Type 4 Cycle
Engine Starter Electric
Transmission Manufacturer Eaton
Transmission Model # 1100-032
Transmission Speed Infinitely Variable
Transmission Type Hydrostatic
Here's some links where you can download manuals that will help you get an idea on what you have and what you need.
Parts breakdown of your tractor. Enter 10-12KE02 for model number:
https://lookup3.toro.com/partdex/index.cfm?xCaller=ToroDown load manuals for the transmission, electrical system, hydraulics, etc:
https://lookup3.toro.com/request/request.cfmEnter 01-12KE02 for model number and "riding mower" for product type. It says you can order manual for the tractor but then says none are available
You can order a manual for the B-C-D series tractors by calling Toro customer service at 1-888-384-9939 and asking for manual # 810063R1
Finally, download a manual for your Kohler K-301 here:
http://www.kohlerengines.com/onlinecatalog...gn_families.jsp Have fun, should give you enough info to keep you busy

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