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Allis Chalmers B212 Engine
Engine Model ……………. Briggs and Stratton 300421
Engine Type ……………. 4-Cycle, single cylinder L-head, air-cooled gasoline
Number of Cylinders ……………. 1
Displacement, cu.in (L) ……………. 30.2 (0.494)
Engine Bore, in (mm) ……………. 3.25 (83.0)
Engine Stroke, in (mm) ……………. 3.44 (87.0)
Maximum Horse Power, hp (kW) ……………. 12.0 (8.9)
Rated Engine Speed, rpm ……………. 3600
Fuel System ……………. Carburetor
Governor ……………. Mechanical (Flyweight)
Air Cleaner ……………. Oiled foam
Ignition System ……………. Magneto or battery
Spark Plug Type ……………. Champion RCJ-8 or Autolite 245
Spark Plug Gap, in (mm) ……………. 0.030 (0.76)
Valve Clearance (Intake), in (mm) ……………. 0.007-0.009 (0.18-0.23)
Valve Clearance (Exhaust), in (mm) ……………. 0.017-0.019 (0.43-0.48)
Fuel Tank Capacity, gal (L) ……………. 1.5 (5.7)
Oil Capacity, qt (L) ……………. 2.0 (1.9)
Electrical System
Electrical System Rating, Volts ……………. 12
Electrical Ground ……………. Negative
Charging System ……………. Generator
Starter Type ……………. Electric
Battery Voltage, Volts ……………. 12
Battery Rating, Ah ……………. 40
AC B212 Power Take-Off
Front PTO Operational Type ……………. Live
Rear PTO Operational Type ……………. Live
Mid PTO Operational Type ……………. Live
Transmission Configuration
Transmission Model ……………. Vari-Shift
Transmission Type ……………. Belt-driven variator
Gearbox Type ……………. 21F/7R, Four gears with 7-position variator
Number of Forward Gears ……………. 21
Number of Reverse Gears ……………. 7
Oil Capacity, qt (L) ……………. 1.5 (1.4)
Maximum Forward Speed, mph (kph) ……………. 6.6 (10.6)
Maximum Reverse Speed, mph (kph) ……………. 3.4 (5.5)
AC B212 Wheels and Tires
Drive Wheels ……………. 2WD 4×2
Steering Configuration ……………. Front steer
Steering System ……………. Manual
Brakes Type ……………. Mechanical band
Front Tire Size ……………. 4.80×8
Rear Tire Size ……………. 23-9.50×12
Front Tread Width, in (mm) ……………. 25.5 (645)
Rear Tread Width, in (mm) ……………. 30.3 (765)
Dimensions and Weight
Wheelbase, in (mm) ……………. 43 (1090)
Length, in (mm) ……………. 72 (1820)
Height (Steering Wheel), in (mm) ……………. 37.8 (950)
Height (Hood), in (mm) ……………. 33.3 (840)
Overall Width, in (mm) ……………. 34 (860)
Ground Clearance (Front Axle), in (mm) ……………. 9 (225)
Ground Clearance (Rear Axle), in (mm) ……………. 5.5 (140)
Weight, lb (kg) ……………. 745 (336)
Allis Chalmers B212 Attachments
42-in Mower Deck
Mower Deck Type ……………. Mid-mount
Number of Blades ……………. 3
Cutting Width, in (mm) ……………. 42 (1060)
Cutting Height, in (mm) ……………. 1.0-4.0 (25-101)
Lift System ……………. Manual