Allis Chalmers 6040 Clutch Unit
5040, 5045, & 5050; The Imported Utilities at Big ACE The Fiat and UTB-Built Allis Chalmers UtilitiesThe AC 5040Looking for a more conventional utility tractor for the lower end of it's 1976 line-up,Allis Chalmers's search ended at UTB of Romania. The Allis Chalmers5040, starting out as the Universal 445, replacedthe AC 6040 tractor, which itself replaced the AC 160, which, inturn, replaced the still earlier One Sixty.The 160/6040 models were 'hybrid' tractors, using the rear end of a French Renault tractor,the front axle of an AC D15, and a Perkins 3/152 Diesel engine.The Universal (or UTB) 445 was itself a licensed copy of the Fiat 450 tractor.
Note thesimilar appearance of the 5040 to the Universal. 445 pictured above. Also, the 5040was virtually a part-for-part mate of the Oliver 1250-A, and 1255 tractors, them being Fiat 450 models,the original pattern from which the UTB 445 was built. in this case a Long; the largest US importer of UTB tractorsThe 5040 was not a 'hybrid' tractor, but a ready-built model, readily sourced from UTB's concurrent 445 tractor.A Gas version was not available, only a Diesel, and the Dieselengine was high compression 3 cylinder, 95MM bore, 110MM stroke unit, of 143 cubic inches displacement,with a maximum governed speed of 2400RPM. Tested at Nebraska under Test Number 1230 in October 1977, the 504040.05 PTO horsepower at 2400RPM. The single stick, 6 speed forward, 2 speed reverse, lockingdifferential transmission, along with a live PTO, controlled by a two stage clutch, made the 5040 a handylittle tractor, well suited for utility work.The entire sheet metal cladding of the Universal 445 tractor, complete with it's distinctive rounded flat top fenders,was utilized in the 5040, only swapping a 'family' appearing AC-designed 'blackout' fiberglass and steel mesh grille forthe original stamped steel one of the UTB 445.
Antique Allis Chalmers Tractor: AC K Crawler Return to the Shed This picture is a 1933 model. The K Crawler replaced the Model 35 Crawler and came with a spark-ignition engine. This tractor was also known as the 'Special K'. Jump to Clutch - Clutch. 10' Clutch Unit - Reman 10' Clutch Unit - Reman D2074096U 10' PTO Disc - Reman, Woven w/ 1-3/4' 10 Spline Hub.
Other than that, about the only notable appearance difference between the UTB 445 andthe AC 5040 was the deletion of the distinctively European style, outboard, grille mounted, Siem headlight units of the 445, forthe decidedly more conservative, economical, fender-mounted 'tractor lights' of the 5040. An improvement over the UTB 445 and Long 445was the more modern and convenient dry-type air cleaner that Allis installed for the 5040.
Allis Chalmers 6040 Tractor
AC orangesheet metal, white wheels, and a brown chassis made the 5040look right at home next to it's larger North American counterparts in the late 1970's Allis Chalmers line up.Equipped standard with power steering, hand and foot throttle, safety start switch, differential lock, two stage clutch, one double-actingremote valve, and full, three gage instrumentation and lighting, the 5040 was a deluxe tractor for the40 horsepower range. The 5040 was also available with a 'creeper' planetary underdrive unit, providing an extra3 speeds forward, and one reverse, for a 9 speed forward, 3 speed reverse tractor, with a super-low 0.48MPH 1st gear at full-ratedengine speed. Optional equipment for the 5040 were a ROPS safety frame with seat belt, a canopy, front weight carrier, 75lb 'suitcase'front weights, and 125lb rear wheel weights. Standard wheel and tire equipment for the 5040 were 6.00x16 three rib front tires,and 13.6x28 rear tires. Power adjusting rear wheels weren't offered on the 5040. Ark survival evolved mods nexus. A 4 drive drive version of the 5040 wasn't officiallyoffered, but the author has heard of at least one example of such, not being such a surprise, as the UTB 445, and the Long 445 were bothoffered in FWA (Front Wheel Assist) versions, these being quite popular.For whatever reason, ending production in 1980, 6000 445's were imported to the US and Canada to become Allis Chalmers 5040's.The 5050As handy as it was, the 5040 needed a big brother with more power and more speeds.
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