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[Source: Brochure, Allis-Chalmers B-10/B-12 Lawn and Garden
Tractors, OPE-1000, Oct 1966 ]
Browse the October, 1966 AC catalog, introducing the new B-12, and including the
again re-named B-10. Note that the original B-10 actually had a 9 HP
engine. When the HP was increased to 10 in 1965, it was renamed the Big
Ten. However, when the B-12 was introduced in 1966, the Big Ten was renamed
once more to the B-10.
This customer brochure information has been expanded by adding dealer
product information, as noted by this different color. This new dealer sales information
adds valuable detail, and has
helped answer a lot of questions in the evolution of these tractors.
In addition to the engines, these "late" models have these
Bumblebee logo was first used, and quickly identifies these
"late" B-10s from the early ones. All B-12s have the
bumblebee . . .
ID plates were first used in the grille, in addition to the AC logo
engine and drivetrain are now painted black, instead of
backrest on the B-10 is now taller, while the B-12 uses a totally
new, different seat.
also uses a new black steering wheel, while the B-10 steering wheel
remains white. Both have a chrome center cap with the
quicker (5.1 to 1) steering ratio is now used.
heavier front axle and spindles, and wider front wheels with 6:50 x
8 tires on the B-12.
longer choke and throttle levers make it easier to precisely operate
these engine controls.
Outdoor Power Equipment, Riding Tractors and Implements Product Information, OPE-1012, Jan 67,
courtesy of Del Allen]
Also note that some of the "drill-down" information on the
specifications pages is from still other sources. This is done to provide more comprehensive