The Sears SS-15 917.2538 is a 2WD garden tractor manufactured by Roper for distributor Sears during 1972. The Sears SS-15 is equipped with a 531 cc (32.4 cu·in) single-cylinder gasoline engine and a belt-driven gear type transmission with 6 forward and 2 reverse gears.
The Sears SS-15 garden tractor used the Briggs & Stratton 325431 engine. It is a 0.5 L, 531 cm2, (32.4 cu·in) single-cylinder natural aspirated gasoline engine with 90.0 mm (3.54 in) of the cylinder bore and 83.0 mm (3.27 in) of the piston stroke. This engine produced 15.2 PS (11.2 kW; 15.0 HP) at 3,600 rpm of output power.
The Sears SS15 is equipped with manual steering, drum brakes, open operator station and 11.5 liters (3 US gal.; 2.5 Imp. gal) fuel tank.
Following attachments are available for the Sears SS-15 garden tractor:
- Mid-mount Sears 917.25323 1,060 mm (42 inches) mower deck with 3-blade, manual lift and right-discharge
- Mid-mount Sears 917.25324 1,210 mm (48 inches) mower deck with 3-blade, manual lift and right-discharge
- Front-mount Sears 917.25330 1,160 mm (46 inches) blade with manual lift and manual angle
Sears SS-15 Specifications
| General Specifications | |
| Model | Sears SS-15 917.2538 |
| Length | 1,650 mm (65 in) |
| Width | 970 mm (38.2 in) |
| Height (steering wheel) | 1,000 mm (39.4 in) |
| Wheel base | – |
| Weight (shipping) | 301 kg (664 lbs) |
| Fuel tank capacity | 11.5 liters (3 US gal.; 2.5 Imp. gal) |
| Battery | 12V, 280 CCA |
| Cabin type | Open operator station |
| Engine | |
| Engine model | Briggs & Stratton 325431 |
| Engine type | Four-stroke, air-cooled |
| Cylinders | 1 |
| Fuel type | Gasoline |
| Displacement | 0.5 L, 531 cm2, (32.4 cu·in) |
| Bore and stroke | 90.0 mm X 83.0 mm (3.54 in X 3.27 in) |
| Horsepower | 15.2 PS (11.2 kW; 15.0 HP) at 3,600 rpm |
| Torque | 34.5 N·m (3.5 kg·m, 25.4 ft·lb) at 2,700 rpm |
| Starter | Electric |
| Oil capacity: | 1.9 L (2 US. qt, 1.7 Imp. qt.) |
| Spark plug | Champion J19LM |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering type | Manual |
| Brakes | Drum |
| Transmission model | – |
| Transmission type | Belt-driven gear type |
| Gears | 6 forward and 2 reverse |
| Speed | Forward: 10.5 kmh (6.5 mph) Reverse: 4.0 kmh (2.5 mph) |
| Transmission oil capacity | 4.7 L (1.2 US. gal, 1 Imp. gal.) |
| Tires | |
| Front tires | Lawn/turf: 16×6.50-8 |
| Rear tires | Lawn/turf: 23×9.50-12 |
| Three-Point Hitch | |
| Category | Sears 3-Point (optional) |
| Control type | – |
| Lift capacity (at ends) | – |

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