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Illustrated History of Connecticut License Plates
Joe Wasielewski - ALPCA Member 6996
All-Terrain
Ambulance
Amateur Radio
Apportioned
Boat Ramp
Bus
Camp Trailer to 1957
Camp Trailer 1958-
Camper
Classic Vehicle
Combination 1
Combination 2
Commercial to 1957
Commercial 1958-
Common
Construction
Dealer Motorcycle
Dealer New to 1969
Dealer New 1970-1989
Dealer New 1990-
Dealer Spec. Equip.
Dealer Used to 1969
Dealer Used 1970-1989
Dealer Used 1990-
Dismantler
Early American
Error Plates
Exp. Test
Factory
Farm
Fire Apparatus
Fish
Foreign Consul
Gasoline
Handicapped
Hearse
High Mileage Veh.
Interstate
Junk
Livery
Marine Trailer
M.F.G.
Military
Miscellaneous/Local
Motorcycle
Municipal
M.V. Dept
Official
Parade
Permits
Political - State
Political - US
Postmaster
POW
Prototype
PUC
Repair to 1969
Repair 1970-
Sample
School Bus
Service Bus
Snowmobile
Special Equipment
Sphinx
State
Student Transport
Taxi
Temp. Metal Plates
Temp. Non-Passenger
Temp. Pass.
Temp. Reg. Certificate
Toll
Trailer
Trans.
Vanpool
Veteran
Volunteer Firefighter
Wrecker
Dealer Spec. Equip.
Dealer Spec. Equip.

These plates are issued to commercial truck dealers. They can be used for vehicle demonstration purposes while under load, while regular dealer plates can be used for unladen vehicles only.

This type was first listed in the regustration books in 1919, with numbers 1 through 49 initially reserved that year; though examples are reported as early as 1917. These early plates had an SX prefix, which continues to this day. When this was introduced, normal dealer plates had an 'X' prefix. Thus, Special Dealer logically became 'SX'. Generally these plates have followed the same design and colors as New and Used car Dealer plates.

However, unlike New and Used Dealer plates, these plates are issued consecutively - there is no prefix letter used for the group of plates issued to a particular dealer.

Briefly, for the 1954-1956 plates, "Spec. Dlr." was spelled out on the plates.

These plates are often loaned by the dealer to someone who has purchased a new truck, for use while the registration is being processed. Also, they are used on loaner trucks while a customer's truck is being repaired. This is allowed for not more than 15 days per year per customer.

Until 1967, these plates were also used on trailers owned by boat dealers, for transporting boats and trailers between the place of business and a demonstration location. 

Click the photo to see this type in use.


Reference: Chapter 246 Sec. 14-59, 14-60, 14-63-16.




 1926  1926
1926 Another 1926.
Like passenger car plates, the length of the plate varied with the number of digits.
   
1928 1929
1928
Original colors were white on dark blue
1929
   
 1963  1964
1963 1964
   
 1967 1968
1967 1968
   
  1972
  1972
   
 1975 1976
1975 1976
   
 1977  1978
1977 1978
   
1979 1983
1979 1983
   
1984 2000
1984  2000
   
2001  2007
2001 2007
Oops! Wrong type legend on this plate.
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