Allis Chalmers B: all source data

All 103 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.

Overview

Production
ManufacturerAllis Chalmers
(no label)Row-Crop tractor
FactoriesWest Allis, Wisconsin, USA
FactoriesSouthampton, England
Total built120,783
(no label)Original price was $1,500 in 1957
(no label)The Allis-Chalmers model B was the result of research by Harry Merritt, Allis tractor division manager, into U.S. farm sizes in the early 1930s. At that time, most tractors were being used on farms larger than 100 acres, while more than half of all farms were under 100 acres. The Allis B was specifically designed to enter into the small-farm market, and early literature focused on the economy of using tractors instead of horses.
Engine
(no label)Allis-Chalmers 2.1L 4-cyl gasoline
(no label)Allis-Chalmers 1.9L 4-cyl gasoline
(no label)Waukesha 1.9L 4-cyl gasoline
Fuel tank12 gal | 45.4 L
Transmission
(no label)3-speed unsynchronized gear
Power
Plows1 (16-inch)
Drawbar (tested)19.51 hp | 14.5 kW
Belt (tested)22.25 hp | 16.6 kW
Mechanical
(no label)Two-wheel drive
Steeringmanual
(no label)Differential mechanical contracting band brakes
(no label)Open operator station. Canvas cab optional.
Hitch
TypeAllis Snap Coupler
Pto
Rear PTOtransmission
Rear PTO Type560
Dimensions
Wheelbase73.4 inches | 186 cm
Weight2060 lbs | 934 kg
Front tire4.00-15
Rear tire9-24
Serial location
(no label)On top of transmission case, by shift lever. English-built models have an 'EB' serial number.
Belt pulley
Diameter8 inches | 20 cm
Width5.5 inches | 13 cm
RPM1053
Electrical
Groundpositive
Charging systemgenerator
Charging amps12
Battery volts6

Engine

Engine options
(no label)Allis-Chalmers 2.1L 4-cyl gasoline
(no label)Allis-Chalmers 1.9L 4-cyl gasoline
(no label)Waukesha 1.9L 4-cyl gasoline
Engine detail
(no label)Allis-Chalmers CE
(no label)gasoline
(no label)4-cylinder
(no label)liquid-cooled
(no label)Final engine, used from 1943 on, SN 64501
Displacement125.2 ci | 2.1 L
Bore/Stroke3.375x3.50 inches | 86 x 89 mm
Air cleaneroil bath
Compression5.75:1
Rated RPM1500
Firing order1-2-4-3
Starter volts6
Oil capacity4 qts | 3.8 L
SparkplugAutolite AN 7
SparkplugAC 45
Sparkplug gap0.035 inches | 0.889 mm
Point gap0.020 inches | 0.508 mm
Intake valve clearance0.010 inches (hot) | 0.254 mm
Exhaust valve clearance0.010 inches (hot) | 0.254 mm
(no label)Allis-Chalmers BE
(no label)gasoline
(no label)4-cylinder
(no label)liquid-cooled vertical I-head
(no label)Second engine, used until 1943, SN 64500
Displacement116.1 ci | 1.9 L
Bore/Stroke3.25x3.50 inches | 83 x 89 mm
Compression4.92:1
Rated RPM1400
Firing order1-2-4-3
Coolant capacity (Coolant)8 qts | 7.6 L
Sparkplug gap0.040 inches | 1.016 mm
Point gap0.020 inches | 0.508 mm
Intake valve clearance0.010 inches (hot) | 0.254 mm
Exhaust valve clearance0.010 inches (hot) | 0.254 mm
(no label)Waukesha
(no label)gasoline
(no label)4-cylinder
(no label)liquid-cooled
(no label)Original engine, used in 1937 on the first 96 tractors built
Displacement113 ci | 1.9 L
Bore/Stroke3.00x4.00 inches | 76 x 102 mm
Rated RPM1400
Engine oil
Oil capacity4 qts | 3.8 L

Transmission

Transmission
Typeunsynchronized gear
Gears3 forward and 1 reverse
Clutchdry disc
Oil capacity6 qts | 5.7 L
Oil type32 o F ↑ : SAE140 32 o F ↓ : SAE90 | [0 o C]

Dimensions

Tires
Ag front4.00-15
Ag rear9-24
Ag rear10-24
Ag rear7-28 (Potato Special)
Ag rear8-38 (Asparagus Special)
Dimensions
Wheelbase73.4 inches | 186 cm
Length110.25 inches | 280 cm
Width52.7 inches (minimum) | 133 cm
Width62 inches (maximum) | 157 cm
Height (exhaust)76.75 inches | 194 cm
Shipping weight2060 lbs | 934 kg
Ballasted weight4193 lbs | 1901 kg
Ground clearance21.75 inches | 55 cm
Ground clearance28 inches (Asparagus Special) | 71 cm
Front tread42 inches | 106 cm
Front tread38 to 60 inches | 96 to 152 cm
Rear tread40 to 52 inches | 101 to 132 cm
Rear tread40 to 60 inches | 101 to 152 cm