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15 hp.
Sovereign |
10 hp.
Landlord |
|
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Mfrs. No 759 includes 3415H
Hydrostatic tractor only
Mfrs. No. 758 includes 3415S Shuttling Drive tractor only |
Model Designation |
Transmission |
With 42"
Rotary Mower |
Tractor Only |
| 3410 |
3-Speed Gear |
781 |
755 |
| 3410S |
Shuttling
4-Speed |
782 |
756 |
| 3410H |
Hydrostatic |
783 |
757 |
| Engine |
Briggs & Stratton 4-cycle,
air-cooled, single-cylinder, cast iron. |
|
Model Number |
325431 |
243431 |
|
Horsepower |
15 |
10 |
|
Displacement |
32.4 cu. in. |
23.94 cu. in. |
|
Valves |
Stellite with valve rotators (Stellite
seats). |
|
Crankshaft |
Horizontal crankshaft. (Sovereign only: Synchro-balanced to reduce
vibration.)
|
|
Governor |
Adjustable mechanical, fully enclosed and lubricated. Range-1000 to
3750 rpm.
|
|
Lubrication |
Splash type, capacity 4 pints. |
|
Starting |
Electric starter/generator. Key
controlled with solenoid. |
|
Ignition |
Patented high voltage magneto. |
|
Electrical System |
12-volt, 42-ampere hour battery. 14-ampere starter generator with 3
unit voltage regulator and generator, warning light. 20-ampere circuit
breaker protects electrical system.
|
|
Air Cleaner |
Reusable dual element; heavy duty paper cartridge and oil-foam
pre-cleaner.
|
|
Muffler |
Large capacity, enclosed by hood. |
|
Fuel Capacity |
3 gallons. Gage is standard
equipment. |
| Transmission |
|
|
|
Hydrostatic Drive |
(Available on both models.) |
3-Speed Gear Drive (Available
on Landlord Only) |
|
Type |
Vickers piston-to-piston. |
Type |
Spur gear transmission |
|
Working Fluid |
Dexron automatic transmission fluid. 1¾
quarts capacity. |
Speeds |
(mph) at (3600 RPM) |
|
Temperature Protection |
Oil cooler with fan and cold weather bypass
valve. |
|
standard |
with low-speed |
|
Speeds |
Stepless 0 to 7 mph forward, 0 to 4 mph
reverse. |
1st |
1.5 |
.98 |
|
Soft Ride Valve |
Smooth Starting (No spring change required
for tilling). |
2nd |
3.5 |
2.3 |
|
Protection |
High-pressure relief valve |
3rd |
5.8 |
3.7 |
|
Gears and Bearings |
Hardened spur gears. Rolling
contact bearings |
Rev |
2.9 |
1.9 |
|
Hardened spur gears. Rolling contact
bearings |
|
Lubrication |
SAE 90 gear oil. Capacity - 1½ quarts. |
SAE 90 gear oil. Capacity - 1½
quarts. |
|
4-Speed Shuttling Drive |
(Available on both models.) |
|
Type |
Hand-controlled differential type
unit has V-belt split sheaveforward clutch and
band-type reverse clutch. |
|
Speeds max. at 3600 rpm |
1st. 96 mph - 2nd 2.3 mph - 3rd 3.7 mph -
4th 5.1 mph. |
|
Gears and Bearings |
Hardened spur. Rolling contact. |
|
Lubrication |
Shuffle Unit: Lithium grease
Factory packed; 4-speed transmission: SAE 90 gear oil - 1½ qts. |
| Differential |
Controlled Traction. 8-springs
and hardened washers transfer some driving force. Hardened steel spur
pinions. Fully packed with #2 lithium grease |
| Brake/Clutch |
All on one pedal. Soft action,
Touch-O-Matic® V-belt clutch and external band-type brake. |
|
Parking Brake |
External band. (Cam controlled
independently of foot brake.) |
| Tractor |
|
|
|
Length |
67" |
67" |
|
Width (tractor only) |
36" |
34½" |
|
Height to top of steering wheel |
39¼" |
39¼" |
|
Wheelbase |
48" |
48" |
|
Tread Front (inside tires) |
26" |
26" |
|
Tread Rear (inside tires) |
26" |
26" |
|
Turning Radius (inside rear tire) |
30½" |
30½" |
|
Tires: Front |
Pneumatic, size 16 X 6.50 X 8 -- 12-15 PSI |
Pneumatic, size 4.80 X 4.80
X 8 (3 speed); 16 X 6.50 X 8 (others) -- 12-15 PSI |
|
Fires: Rear |
Pneumatic, size 23 X 10.50 X 12 -- 6-8 PSI |
Pneumatic, size 23 X 8.50 X 12 --
6-8 PSI |
|
Steering |
Bevel gear type 4.66 to 1 gear
ratio. |
|
Front Axle |
Large area bearing with
"wishbone" support for added stability. |
|
Slope Stability |
20% slope without rear wheel
weights. 40% slope with rear wheel weights (at slowest speed). |
|
Ground Clearance |
6" minimum at differential.
9" at front axle. 7" at drawbar. 12¾" at center of frame. |
| Attachment Mounting |
|
|
Front and center |
Attachments mount to and tilt with front axle. Connect with 2 pins and
spring clips
|
|
Rear |
Draw bar and lower and upper
pivoting horizontal mounting is standard. Rear lift kit optional. |
|
Manual Attachment Lift |
Lift lever with notched sector. |
|
Power Lift (optional) |
Highly efficient, electrically
powered recirculating ball screw. Stops precisely and holds attachment in
position. Position indicator is included. Quick, simple field
installation. |
|
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[Source: Simplicity brochure, 15hp and
10hp tractors, Form 11-007, hand-dated 7/24/72, courtesy of Wally Koerbel] |
