Allis Chalmers B-12 lawn tractor

Allis Chalmers B-12

Power

12 hp

Production

1966-1968

Engine

Gasoline, 1-cylinder

Transmission

Gear

Drive

2WD

Introduction

Allis Chalmers B-12 Garden Tractor

The Allis Chalmers B-12 is a compact garden tractor manufactured in Port Washington, Wisconsin, USA, between 1966 and 1968. It was designed primarily for residential lawn maintenance and light utility tasks in garden settings.

Engine Specifications

The tractor is powered by a 12 hp (8.9 kW) Briggs & Stratton 300421 gasoline engine. This single-cylinder, air-cooled unit features a horizontal shaft, a displacement of 494 cc (30.16 ci), and an electric starter system. It is lubricated by an oiled foam air cleaner and has an oil capacity of 2 quarts (1.9 liters).

Transmission and Power Take-Off

The B-12 offers two transmission configurations: a standard 3-speed gear system (3 forward, 1 reverse) or an optional 6-speed Hi-Lo transmission (6 forward, 2 reverse). The machine is equipped with live power take-off (PTO) at the rear, mid, and front positions, allowing for the operation of various attachments such as the compatible 32-inch or 42-inch mower decks.

Mechanical and Dimensions

The tractor utilizes a two-wheel drive system and manual steering. It is built on a 44-inch (111 cm) wheelbase with a total length of 68.1 inches (172 cm) and a width of 36.5 inches (92 cm). With a ground clearance of 6 inches (15 cm), it is optimized for stability and maneuverability on turf surfaces, utilizing 6.50x8 front and 23-8.50x12 rear lawn/turf tires.

Conclusion

The Allis Chalmers B-12 is a robust garden tractor suited for homeowners and collectors requiring a reliable, versatile machine for property maintenance. Its multiple PTO locations and selectable transmission options provide sufficient flexibility for standard garden implement use.

Production Information of Allis Chalmers, B-12

  • Garden tractor
  • Built in Port Washington, Wisconsin, USA
ManufacturerAllis Chalmers

Dimension and Tires Information of Allis Chalmers, B-12

Wheelbase44 inches [111 cm]
Ground clearance6 inches [15 cm]
Height37.5 inches [95 cm]
Length68.1 inches [172 cm]
Width36.5 inches [92 cm]
Lawn/turf front6.50x8
Lawn/turf rear23-8.50x12

Engine Specifications of Allis Chalmers, B-12

  • Briggs & Stratton 300421
  • Air-cooled horizontal-shaft
  • Gasoline
  • 1-cylinder
Starter volts12
Displacement494 cc [30.16 ci]
Air cleanerOiled foam
Bore/Stroke3.25x3.4375 inches [83 x 87 mm]
Oil capacity2 qts [1.9 L]
StarterElectric
Rated RPM3600
Power12 hp [8.9 kW]

Transmission Information of Allis Chalmers, B-12

Transmission variants 1

TypeGear
Gears3 forward and 1 reverse

Transmission variants 2

TransmissionHi-Lo
Gears6 forward and 2 reverse
  • 3-speed gear
  • 6-speed

Mechanical Specs of Allis Chalmers, B-12

  • Two-wheel drive
  • Manual steering
  • Open operator station.

Power Information of Allis Chalmers, B-12

Rear PTOLive
Mid PTOLive
Front PTOLive

Where it sits

With 12 HP, the Allis Chalmers B-12 sits between T-811 (11 HP) and 314 (14 HP) in Allis Chalmers's range. Its power puts it in the 97th percentile of 1960s models in our database (550 machines).

Frequently asked questions

How much horsepower does the Allis Chalmers B-12 have?

The Allis Chalmers B-12 delivers 12 HP.

What years was the Allis Chalmers B-12 produced?

The Allis Chalmers B-12 was produced in 1966-1968.

What engine does the Allis Chalmers B-12 have?

The Allis Chalmers B-12 is powered by a Gasoline, 1-cylinder engine.

What transmission does the Allis Chalmers B-12 use?

The Allis Chalmers B-12 uses a Gear transmission.

Is the Allis Chalmers B-12 4WD?

The Allis Chalmers B-12 is available in 2WD.

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