Allis Chalmers B-12
The Allis Chalmers B-12 is a tractor produced by Allis Chalmers Lawn Tractors. It is equipped with a 494 cc 30.16 ci engine. The listed engine power is Gasoline (listed): 12 hp / 8.9 kW. Transmission: Hi-Lo.
Engine Power
Gasoline (listed): 12 hp / 8.9 kW
Fuel & Capacities
1.5 gal
5.7 L
Transmission
Hi-Lo
Overview
 | 1966 - 1968
B SeriesGarden tractor
B Series
Garden tractor |
|---|
Production | |
|---|---|
Manufacturer | Allis Chalmers |
Garden tractor | |
Built in Port Washington, Wisconsin, USA | |
Allis Chalmers B-12 Engine | |
|---|---|
12HP Briggs & Stratton 494cc 1-cyl gasoline | |
Fuel tank | 1.5 gal
5.7 L |
Engine details ...  | |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Open operator station. |
Power Take-off (PTO) | |
|---|---|
Rear PTO | live |
Mid PTO | live |
Front PTO | live |
Dimensions & Tires | |
|---|---|
Wheelbase | 44 inches
111 cm |
Front tire | 6.50x8 |
Rear tire | 23-8.50x12 |
Full dimensions and tires ...  | |
References | |
|---|---|
 | |
Service Manual B Series Tractors (9003453) published in 1976 |
Engine
Engine Detail — 494 cc / 30.16 ci Gasoline
Manufacturer | Briggs & Stratton 300421 |
Fuel Type | Gasoline |
Configuration | 1-cylinder, air-cooled horizontal-shaft |
Displacement | 494 cc
30.16 ci |
Bore/Stroke | 3.25x3.4375 inches
83 x 87 mm |
Power | 12 hp
8.9 kW |
Air cleaner | oiled foam |
Rated RPM | 3600 |
Starter | electric |
Starter volts | 12 |
Oil capacity | 2 qts
1.9 L |
Transmission
Transmission options | |
|---|---|
3-speed gear | |
6-speed |
Transmission — 3 forward and 1 reverse gear
Type | gear |
Gears | 3 forward and 1 reverse |
Transmission — Hi-Lo
Transmission | Hi-Lo |
Gears | 6 forward and 2 reverse |
Dimensions
Allis Chalmers B-12 Tires | |
|---|---|
Lawn/turf front | 6.50x8 |
Lawn/turf rear | 23-8.50x12 |
Dimensions | |
|---|---|
Wheelbase | 44 inches
111 cm |
Length | 68.1 inches
172 cm |
Width | 36.5 inches
92 cm |
Height | 37.5 inches
95 cm |
Ground clearance | 6 inches
15 cm |
Attachments
Attachment overview | |
|---|---|
32" mid-mount mower deck | |
42" mid-mount mower deck | |
Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments. |
Photos
Allis Chalmers B-12
Allis Chalmers B-12
Allis Chalmers B-12
Allis Chalmers B-12
Allis Chalmers B-12
Allis-Chalmers B-12 operator station and controls.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Allis Chalmers Lawn Tractors Allis Chalmers B-12.
Estimated Continuous Field Runtime: 2.4 hrs
Approximately 2.4 hours of continuous field operation at ~75% rated power on a full tank (1.5 gal / 5.7 L).
Estimated 75% Load Fuel Burn~0.6 gal/hr (2.4 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Allis Chalmers Lawn Tractors Allis Chalmers B-12 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Allis Chalmers Lawn Tractors Allis Chalmers B-12.
Converted Equivalents:
Horsepower (HP)12 hp
Kilowatts (kW)8.9 kW
Metric Horsepower (PS / CV)12.2 PS
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