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Specifications:
AC Model 712H 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”
Hydrostatic Transmission
3 to 3-1/2 quarts Allis Chalmers Power Fluid 401
(Dextron)
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
Hydrostatic Drive with Variable Displacement Axial Piston Pump and
Fixed Displacement, Reversible Axial Piston Motor.
Turning
Radius
30.5" to inside of rear tire”
Speeds @ 3600 RPM -
Forward - Variable up to 7 MPH
Reverse - Variable up to 4 MPH
Continuous range of ground speeds in forward or reverse
without clutching or shifting.
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.
