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Specifications
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Engine
Kohler 4 cycle, single cylinder, air cooled.
Horsepower (kW):
710 10-hp (7.5), 712 12-hp (9.0)
716 16-hp (11.9) (Engine Mfg. ratings)
Starting
Key start, gear drive starter, 12 volt
45 ampere-hour battery
Fuel capacity
3 U.S. Gal. (11.4 litres)
Transmissions
710 and 716 6-Speed; Manual -- 6 forward, 2 reverse speeds
712 Shuttle; Semi-automatic -- 4 speeds with instant forward/reverse without clutching
712 and 716 Hydro; Hydrostatic drive -- single lever forward and reverse plus variable control of ground speed
All three transmissions have controlled traction with limited slip differential
Speeds
Manual 6-Speed Trans:
| Gear |
High
mph (km/h) |
Low
mph (km/h) |
| 1 |
1.6 (2.6) |
0.7 (1.1) |
| 2 |
3.7 (6.0) |
1.7 (2.7) |
| 3 |
6.1 (9.8) |
2.8 (4.5) |
| Rev. |
3.2 (5.2) |
1.5 (2.4) |
Shuttle Drive:
| Gear |
Forward and Reverse
mph (kin/h) |
| 1 |
.96 (1.5) |
| 2 |
2.3 (3.7) |
| 3 |
3.7 (6.0) |
| 4 |
5.1 (8.2) |
Hydrostatic Drive: Continuous range
Forward--0 to 7 mph (11.3 km/h)
Reverse--0 to 4 mph (6.4 km/h).
PTO drive
Center and Rear from cone clutch; Front from engine crankshaft
Clutch/brake
Single pedal disengages clutch then applies brake; separate parking brake lever
Tires
710 6-Speed -- 23-8.50X12 rear, 4.80/4.00X8 front
712 Shuttle and Hydro -- 23-8.50X12 rear, 16-6.50X8 front
716 6-Speed and Hydro -- 23.10.50X12 rear, 16-6.50X8 front
Dimensions
Height (max): 39¼" (997 mm)
Length: 67" (1702 mm)
Width: 37½" (953 mm)
Wheelbase: 48.1" (1222 mm)
Turning radius: 30½" (775 mm) (inside of rear tire)
Approx shipping weights
710 6-Speed -- 750 lbs (364 kg)
712 Shuttle -- 812 lbs (368 kg)
712 Hydro -- 803 lbs (365 kg)
716 6-Speed -- 770 lbs (349 kg)
716 Hydro -- 806 lbs (366 kg).
Standard equipment
Front dual headlights, manual lift lever, balanced engine, tilt-up hood and seat deck, deluxe contour seat, fuel gauge, ammeter, safety interlock start system, drawbar, dry element air cleaner w/precleaner, oil filter (hydro models), 12-volt electric start.
[Source: 1977 AC Brochure:
Allis-Chalmers the Beautiful Difference In Lawn and Garden Tractors, Form No.
1222-OP-76, courtesy of John Boesch]
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