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15 hp. |
10 hp. |
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Mfrs. No 759 includes 3415H Hydrostatic 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). |
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Crankshaft |
Horizontal crankshaft. (Sovereign only: Synchro-balanced to reduce vibration.) |
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Governor |
Adjustable mechanical, fully enclosed and lubricated. Range-1000 to 3750 rpm. |
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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. |
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Air Cleaner |
Reusable dual element; heavy duty paper cartridge and oil-foam pre-cleaner. |
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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) |
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Type | Vickers piston-to-piston. |
Type |
Spur gear transmission | ||||||
Working Fluid | Dexron automatic transmission fluid. 1 ¾ 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 |
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Lubrication | SAE 90 gear oil. Capacity - 1 ½ quarts. | SAE 90 gear oil. Capacity - 1 ½ 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. |
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Gears and Bearings | Hardened spur. Rolling contact. | ||||||||
Lubrication | Shuffle Unit: Lithium grease Factory packed; 4-speed transmission: SAE 90 gear oil - 1 ½ 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" | 34 ½" | |||||||
Height to top of steering wheel | 39 ¼" | 39 ¼" | |||||||
Wheelbase | 48" | 48" | |||||||
Tread Front (inside tires) | 26" | 26" | |||||||
Tread Rear (inside tires) | 26" | 26" | |||||||
Turning Radius (inside rear tire) | 30 ½" | 30 ½" | |||||||
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. 12 ¾" at center of frame. | ||||||||
Attachment Mounting | |||||||||
Front and center |
Attachments mount to and tilt with front axle. Connect with 2 pins and spring clips |
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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. | ||||||||
[Source: Simplicity brochure, 15hp and 10hp tractors, Form 11-007, hand-dated 7/24/72, courtesy of Wally Koerbel] |
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Specifications
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