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Specifications:
AC Model 712S Tractor
Engine
Kohler, Model K301S
Capacities
Type
4 cycle, single cylinder, air cooled
Engine crank case
2 quarts
Horsepower
12
Fuel tank
3 gallons
Bore and Stroke
3.38” X 3.25”
Transmission
4.5 pints SAE 90
Displacement
29.07 cubic inches
Bevel Gear
Housing
Fill to
end of dipstick SAE 90
RPM
3600 RPM at Rated Horsepower
Crankshaft
Balanced - 1" Diameter with 1/4" Keyway
Dimensions
Starter
Gear Driven Electric Starter
Height @ Steering Wheel
39.25"
Governor
Mechanical flyweight with external adjustment
Height @ Instrument Panel
35.5"
Electrical System
15 AMP, Flywheel Alternator, Solid State Regulator-Rectifier
Width Overall
37.5"
Ignition System
Battery Ignition with Breaker Points
Length Overall
67.0
Battery
Allis Chalmers, 45 AMP Hour
Wheel Tread - Front
29.0”
Air Cleaner
Replaceable Dry Element
Wheel Tread - Rear
27.0”
Ground Drive
Clearance - Front Axle
8.0"
Clutch
Foot Operated V-Belt Clutch Between Engine and Transmission
Wheel Base
48.1"
Transmission
Differential Shuttle Clutch Drive with Forward/Reverse Control to
Sliding Spur Gear Transmission
Turning
Radius
30.5" to inside of rear tire”
Speeds @ 3600 RPM
First
Second
Third
Fourth
Reverse
0.96 MPH
2.3 MPH
3.7 MPH
5.1 MPH
Same as above
Differential
Planetary Spur Gear - Controlled Traction
Implement Lift
Manual Lift Standard. Electric
Lift Available for Field Installation.
Steering
Bevel Gear - Spindle Lever Type Linkage - 4.66:1 STEERING GEAR RATIO
- 4.14 OVERALL RATIO
Center PTO
Mechanical Cone Clutch and
Belt Drive to Center and Rear Mounted Implements is Standard.
Brakes
Drum and Band on Transmission Shaft - Foot Operated; Cam Lever
Parking Brake - Hand Operated
Head Lights
Standard
Tire Size &
Pressure
Rear
23-8.50 X 12 (8 PSI) on later models; 23-10.50 X 12 (8 PSI) on
earlier models
Front
16-6.50 X 8 (10 PSI)
Source: AC Operator's Manual,
MODELS 710 - 712S - 712H -716H Lawn & Garden Tractor, Part Number 1656140, November
1975. Also, AC Operator's Manual, MODELS 710-6 Speed, 712S, 712H,
716-6 Speed, 716H and 718H Lawn & Garden Tractors, Part Number 1664443, February 1978.
