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ENGINE
Two cylinders, horizontally opposed: 4-cycle. 3Ό"
(82.6 mm) bore, 3" (76.2 mm) stroke; 49.8 cu. in. (816 cm3
piston displacement; compression ratio 7.0 to 1. 19.5 hp (14.5 kW) maximum at
36O0 RPM. Onan model CCKB engine. Lubrication system full pressure gear lube
oil pump. Oil filter full flow cartridge type. Air cleaner dry type with
replaceable element.
STEERING
Automotive type ball screw manual steering gear.
ELECTRICAL SYSTEM
12 volt. 45 amp hr. battery; 20 amp flywheel alternator with
solid state regulator/rectifier.
POWER TRAIN
Clutch Belt driven main drive foot pedal operated.
Hydrostatic transmission, variable displacement piston pump fixed
displacement piston motor
3 speed range sliding gear transaxle
DIFFERENTIAL
8-pinion spur pear limited-slip differential mounted on
final drive pinion shafts, individual bull gears and pinions for each axle,
enclosed in separate housings.
REAR AXLES
Flange welded steel, live axles. mounted on tapered roller
bearings
GROUND SPEEDS
MPH with turf tires at 3600 RPM ENGINE SPEED
| Range |
Forward |
Reverse |
| Low |
0 - 4.2 mph |
0 - 2.6 mph |
| |
(6.8 km/h) |
(4.2 km/h) |
| Medium |
0 - 6.3 mph |
0 - 4.0 mph |
| |
(10.1 km/h) |
(6.4 km/h) |
| High |
0 - 10.1 mph |
0 - 6.2 mph |
| |
(16.7 km/h) |
(10.0 km/h) |
HYDRAULIC LIFT SYSTEM
Hydraulically powered lift system to raise mid-mounted
equipment
Pump 2.5 GPM at 500 PSI (9 5 litres/mm @ 3447 kPa)
Valve 2 spool valve for independent control of front cylinder with quick
disconnect adapter at front only
Cylinder 2.5 dia.x 4" (63.5 mm x 101.6 mm) stroke double acting
Front Couplers Quick disconnect adaptors
Tubes and hardware
LIGHTS
Two sealed beam head lamps mounted in rear fenderss
ATTACHMENT DRIVE
PTO FRONT. Independent power take off at front,
electrically actuated, with automatic brake
PTO REAR. Independent power take off at rear of tractor
controlled by electric clutch, actuated by switch. (Optional on 720 Special.)
THREE POINT HITCH SYSTEM
Size category "0 with exception of 12" (304.8 mm) mast
height. Lift capacity meets ASAE recommended specifications. (Optional on 720
special.)
BRAKES
Individual disc brakes located on differential output
shafts. Foot pedal operated with suspended pedals and parking lock lever.
TRACTOR DIMENSIONS
with 29 x 12-15 turf and 20 x 8.0O x 1O turf tires
Wheelbase 56" (1122 mm)
Length overall 85" (2159 mm)
Width overall 50" (1270 mm)
Height over steering wheel 48 (1219 mm)
Ground clearance (under front axle) 15 (381 mm)
Turning radius, no brake, feet outside front wheel 8' (2438 mm)
Turning radius, braking, feet outside front wheel 6' (1829 mm)
Turning radius, inside rear wheel 36 (914 mm)
Tread adjustable (4.00-12 front & 8.00-16 rear only):
Front 40Ό" and 45Ύ" (1022 mm) x 1162 mm)
Rear 34" and 38½ (864mm and 978 mm)
Drawbar height 13" (330 mm)
Liquid capacities:
Fuel tank, gallons 3.8 (4.4 litres)
Engine crankcase, quarts 3.5 (3.3 litres)
Transmission, quarts (tractor hyd. system) 5.0 (4.7 litres)
Axle housing each, quarts .5 (0.47 litre)
WEIGHTS
Shipping Weights (720) 1300 lbs. (590.9 kg) with turf tires
and 3 point hitch; (720 Special) 1235 lbs. (561.3 kg) with turf tires
Operating weight without ballast, full of fuel, with operator:
Front 480 lb. (218 kg)
Rear 1.000 lb. (454 kg)
Total 1.480 lb. (671 kg)
TIRE OPTIONS
Front 20 x 8.00-10, 2-ply, Turf tread
Front 6.00 x 9, 4-ply, Rib tread
Front 4.00-12, 2-ply, Ag-Rib tread
Rear 31 x 15.5 - 15, Hi Flotation
Rear 29.12-15, 2-ply, Turf
Rear 8.00-16, 2-piy, Agricultural
ATTACHMENTS
60" (1.52 m) Rotary Mower with hitch
57" (1.49 m) Sickle Bar with hitch
60" (1.52 m) Dozer Blade with hitch
52" (1.32 m) Snow Blower with hitch
Cultivator (Requires 3-point hitch)
12" (304.8 mm) Plow (Requires 3-point hitch)
60" (1.52 m) Rear Mounted Blade (Requires 3-point hitch)
Front End Loader with bucket and weight box
48" (1.22 m) and 60 (1.52 m) Rear Mower (with rear PTO)
Weights:
Front Weight -- use with front bumper
Rear Wheel Weights
Tire Chains (fit all rear tire options)
Front Bumper
540 PTO Attachment
2000 RPM Rear PTO (Standard on 720 Optional on 720 Special)
Category "0" 3-point Hitch (Standard on 720 Optional on 720 Special)
[Source: AC Brochure, Form No
1254-OP-8003-R, courtesy of Matthew Snyder]
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