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Specifications:
AC Model B-112 Tractor
| Engine
|
Briggs
& Stratton, Model 300421
|
|
Speeds –
Standard Drive
|
|
| Type
|
4
cycle air cooled
|
|
First
gear (7 speed ranges)
|
Min 0.8 MPH; Max 1.7 MPH |
| Horsepower
|
12
|
|
Second
gear (7 speed ranges)
|
Min 2.0 MPH; Max 4.0 MPH |
| Bore
and Stroke
|
3-1/4”
X 3-7/16”
|
|
Third
gear (7 speed ranges)
|
Min 3.3 MPH; Max 6.6 MPH |
| Displacement
|
30.16
cubic inches
|
|
Reverse (7 speed ranges)
|
Min 1.7 MPH; Max 3.4 MPH |
| RPM |
3600
max, full load
|
|
Dimensions |
|
| Air
cleaner
|
Oil
foam
|
|
Height (at steering wheel) |
37-3/4" |
| Starter
|
Electric & manual |
|
Height (at hood line) |
33-1/4” |
| Governor
|
Mechanical
(flyweight)
|
|
Width |
36" |
| Electrical
system
|
12
volt, combination starter-generator
|
|
Length |
72" |
| Ignition
|
Magneto |
|
Wheel
tread
|
27-1/2"
rear, 30-1/4" front
|
|
|
|
|
Wheel
base
|
48”
|
Transmission
|
Sliding spur gear and spiral bevel
gear. 21 speeds forward and 7 reverse with standard
variable pitch sheave system.
|
|
Clearance
(differential)
|
6”
|
Differential
|
Planetary gear with controlled traction. |
|
Clearance (center housing) |
15-1/4”
|
| |
|
|
Clearance
(drawbar)
|
7”
|
Tire Pressures
|
|
|
Clearance
(front axle)
|
9”
|
| Rear
(Standard Tractor)
|
8 PSI
|
|
Capacities |
|
| Front
(Standard Tractor)
|
10
PSI
|
|
Engine
case
|
4
pints
|
| Rear
(With Loader)
|
12
PSI
|
|
Fuel
tank
|
6
quarts
|
| Front
(With Loader)
|
25
PSI
|
|
Transmission
|
1-1/2
quarts, SAE 80EP oil
|
| Battery
|
Allis Chalmers 40 ampere hour, 12
volt
|
|
Bevel gear housing |
1 pint, SAE 80EP oil |
| Shipping Weight |
Approximately 745 pounds |
|
|
|
[Source:
AC Service Manual, B SERIES TRACTORS, Part No 9003453, February 1976]
|
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