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Allis Chalmers B-12

Allis Chalmers B-12 tractor
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The Allis Chalmers B-12 is a garden tractor produced from 1966 to 1968 as part of the B Series. It was built in Port Washington, Wisconsin, USA. It features a 12 horsepower Briggs & Stratton 494cc 1-cylinder gasoline engine with an air-cooled horizontal shaft. The tractor offers 3-speed and 6-speed gear transmission options, with two-wheel drive and manual steering. It has live PTOs at the front, mid, and rear. The B-12 has a wheelbase of 44 inches and comes with lawn/turf tires sized 6.50x8 front and 23-8.50x12 rear. Attachments include 32 and 42 inch mid-mount mower decks. The serial number plate is located on the rear fender deck behind the seat.
Allis Chalmers B-12garden tractorBriggs & Stratton engine12 hp3-speed transmission6-speed transmissionmower decktractor specifications
Power-
Founded-
ModelB-12

Technical Specifications

Detailed specifications and technical data for Allis Chalmers B-12

Engine

Type:gasoline
Model:Briggs & Stratton 300421
Power:12 hp (8.9 kW)
Cooling:air-cooled horizontal-shaft
Starter:electric
Cylinders:1-cylinder
Fuel tank:1.5 gal (5.7 L)
Rated RPM:3600
Air cleaner:oiled foam
Bore/Stroke:3.25x3.4375 inches (83 x 87 mm)
Displacement:494 cc (30.16 ci)
Oil capacity:2 qts (1.9 L)
Starter volts:12

Overview

Series:B Series
Built in:Port Washington, Wisconsin, USA
Category:Garden tractor
Production years:1966 - 1968

Dimensions

Width:36.5 inches (92 cm)
Height:37.5 inches (95 cm)
Length:68.1 inches (172 cm)
Rear tire:23-8.50x12
Wheelbase:44 inches (111 cm)
Front tire:6.50x8
Ground clearance:6 inches (15 cm)

Attachments

32 inch mid-mount mower deck:32 inches (81 cm)
42 inch mid-mount mower deck:42 inches (106 cm)

Transmission

Type:gear
Options:3-speed gear, 6-speed
Gears (3-speed):3 forward and 1 reverse
Gears (6-speed Hi-Lo):6 forward and 2 reverse

Other features

Drive:Two-wheel drive
Steering:Manual steering
Operator station:Open operator station

Power Take-off (PTO)

Mid PTO:live
Rear PTO:live
Front PTO:live

Serial Number Location

Location:Serial number plate on the rear fender deck of the B-12, behind the seat.