Specifications, Service and Repair of Farm and Lawn Tractors

________________________________________________________________________________

AC Farm Tractors / AC Garden Tractors / B112 / B212 / HB212

Allis Chalmers HB-112 Technical Data

Allis Chalmers HB112 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 ................ 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 HB112 Power Take-Off

Front PTO Operational Type ................ Live
Rear PTO Operational Type ................ Live
Mid PTO Operational Type ................ Live

Transmission Configuration

Transmission Model ................ Vickers
Transmission Type ................ Hydrostatic Drive
Number of Forward/Reverse Gears ................ Infinite
Pump Type ................ Variable displacement, reversible piston pump
Motor Type ................ Fixed displacement piston motor
Oil Capacity, qt (L) ................ 1.75 (1.65)
Maximum Forward Speed, mph (kph) ................ 7.2 (11.6)
Maximum Reverse Speed, mph (kph) ................ 4.4 (7.1)

AC HB112 Wheels and Tires

Drive Wheels ................ 2WD 4x2
Steering Configuration ................ Front steer
Steering System ................ Manual
Brakes Type ................ Integral mechanical
Front Tire Size ................ 16x6.50-8
Rear Tire Size ................ 23-8.50x12
Front Tread Width, in (mm) ................ 29.5 (745)
Rear Tread Width, in (mm) ................ 30.3 (765)

Dimensions and Weight

Wheelbase, in (mm) ................ 48 (1210)
Length, in (mm) ................ 72 (1780)
Height (Steering Wheel), in (mm) ................ 37.8 (950)
Height (Hood), in (mm) ................ 33.3 (840)
Overall Width, in (mm) ................ 40 (1010)
Ground Clearance (Front Axle), in (mm) ................ 9 (225)
Ground Clearance (Rear Axle), in (mm) ................ 6 (150)
Weight, lb (kg) ................ 745 (337)

Allis Chalmers HB112 Attachments

Front End Loader

Loader Model ................ Allis Chalmers L12
Bucket Width, in (mm) ................ 43 (1085)
Bucket Capacity (Struck), cu.ft (m3) ................ 3.5 (0.10)
Bucket Capacity (Heaped), cu.ft (m3) ................ 4.0 (0.11)
Bucket Weight, lbs (kg) ................ 93 (42)
Lifting Capacity Full Height, lbs (kg) ................ 300 (136)
Breakout Force, lbs (kg) ................ 500 (227)
Height to Bucket Hinge Pin ................ 63.5 (1600)
Maximum Clearance at Full Height, in (mm) ................ 49.5 (1250)
Reach at Maximum Height, in (mm) ................ 20 (505)
Reach at Ground Level, in (mm) ................ 35 (780)
Dump Angle, deg ................ 45
Digging Depth, in (mm) ................ 1.5 (35)
Loader Weight, lbs (kg) ................ 260 (118)

42 inch Mower Deck

Mower Deck Type ................ Mid-mount
Number of Blades ................ 3
Cutting Width, in (mm) ................ 32 (1060)
Cutting Height, in (mm) ................ 1.3-3.2 (30-70)
Lift System ................ Manual

48 inch Mower Deck

Mower Deck Type ................ Mid-mount
Number of Blades ................ 3
Cutting Width, in (mm) ................ 48 (1210)
Cutting Height, in (mm) ................ 1.3-3.2 (30-70)
Lift System ................ Manual

36 inch Snow Blower

Snowblower Type ................ Single-stage, front-mount
Clearing Width, in (mm) ................ 36 (910)
Drive Type ................ Belt
Lift System ................ Manual

42 inch Snow Blower

Snowblower Type ................ Single-stage, front-mount
Clearing Width, in (mm) ................ 42 (1060)
Drive Type ................ Belt
Lift System ................ Manual

________________________________________________________________________________

________________________________________________________________________________________

ALLIS CHALMERS TRACTORS SPECIFICATIONS

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

INTERNATIONAL HARVESTER TRACTORS SPECS

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________