Doug McKenzie Collection
International Transtar Photo Lineage from Doug McKenzie

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Transtar Lineage. Began in 1965 with the introduction of the CO-4000, replacing the highly successful DCO-400 Series "Emeryville". Pictured here is a single-axle non-sleeper CO-4000 from Adams Transport, Toronto Ontario. Saddle-style fuel tanks are customer-specified, in this case the tractor is a former Direct-Winters Transport unit. Direct traded their whole fleet of these units around 1974. Ford dealers were selling them for about $2500 Cdn. 8V-71 Detroit engines, 10speed Roadranger transmissions.
Second one ..... 1967 CO-4000 sleeper. Pretty much standard appearance for the model of that time. Note that there is no luggage compartment door on passenger side. This one was powered with a 238 Detroit, 10-speed Roadranger and a long, 157-inch wheelbase. Ended it's days haulling cattle from Wellington County Ontario until an electrical short set fire to it and it was destroyed. At the time of the picture, in October 1972, the truck had over 700,000 miles on it.
CO-F4070A Transtar was we know it. This one was a pretty stylish unit for it's time, 1974. Royal Designs of Scarborough Ontario used a small fleet of 3 of these.

Probably the most unusual member of the Transtar family would be the Unistar. Conceived as a "Universal" tractor, the Unistar was unqiue in that it did not have a transfer case - instead it used an over-running clutch in the drive-line which, when the rear axle began to slip, the clutch would automatically engage the front axle. Photographed here in 1970, between an I-H pick-up and an 800 Scout (anyone remember them?) is one of the early production units at I-H's Toronto Sales Branch in downtown Toronto.

The Unistar was the most unusual member of the Transtar family and design-wise would fore-tell the truck's future appearance. A 4-wheel drive tractor, the Unistar used the usual arrangement of an over-running clutch in the drive-line which at the moment the rear wheels began to slip, it automatically engaged the front driving axle. This one here was one of the very first, photographed in 1970 at International's main Toronto Ontario sales branch, nestled between a pick-up and a Scout - anyone remember them?

Second view of the Unistar shows the 73-inch BBC day cab, enlarged air filter, inaccurate nameplate on the door - it reads Transtar - step pocket below the door and unique design to the front fenders. This style of fender panel did not last long. Colours are medium metallic blue and white, the same colours which Hanky posted earlier to get this topic rolling.
Here is another view of the Unistar taken by Hank Suderman at the ATHS National Convention at Reno, NV in 2001.
To handle the increasing power of bigger engines, ie: the 1673T/TA Cat, Cummins NTC Series and 8V-71T Detroit, International raised the Transtar cab by 5 inches, giving more room under the cab. In this picture of a Ryder-owned 74-inch BBC tractor, the increased height in the cab is noticed by the filler panel below the door nameplate. Gill Truck Plaza, Berneires Quebec, 1973.
Brand-new, awaiting an owner at the Woodbine Truck Centre, Markham Ontario in 1973. Chrome bullet lights, chrome grille and the double bumper unique to the high-powered Transtars. Painted in light metallic blue and white, this one was well appointed on the inside with a maroon/red interior.
Dual exhaust stacks, double bumper and the filer panel under the cab painted black - this one is a 4090A Super Transtar, powered by a 12V-71 Detroit. Berneires Quebec, September 1973.
Transtar 2 as we know it. Triad Truck Lease, at Scarborough Ontario in the fall of 1975.
Transtar 2 truck and trailer. Leamington Ontario, 1981.
And then there's this oddity ..... 76-inch BBC Transtar 2 from Cronin Transport onto which it's owner has tack the front end of the CO-9670.
Final evolution in the Transtar .... the CO-9670. Other than the regular box cab-over cab, family styling cues can be found in the grille and the windshield. Tractor trailer and antiques are owned by the Tackaberry family of Athens Ontario.



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