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| info | |
| 1939 - 1940, Garden tractor, David Bradley built |
| Production | |
| Distributor: | Sears |
| Manufacturer: | David Bradley |
| Type: | Garden tractor |
| Original price: | $355 (1940 ) |
| The Sears Handiman Riding Tractor (R-T) was based on the Handiman two-wheel walking tractors. Sears model numbers included 917.5151, 917.5154, and 917.5155 | |
| Mechanical | |
| Chassis: | 4x2 2WD |
| Steering: | manual |
| Cab: | Open operator station with steel pan seat. |
| Transmission: | 2-speed sliding gear |
| Capacity | |
| Fuel: | 2.5 gal 9.5 L |
| Dimensions & Tires | |
| Wheelbase: | 57.25 inches 145 cm |
| info | |
| 1939 - 1940, Garden tractor, David Bradley built |
| Engine Detail | |
| Briggs & Stratton Z, gasoline, 1-cylinder 2-valve, air-cooled horizontal-shaft L-head | |
| Displacement: | 376 cc 23 ci |
| Bore/Stroke: | 3.00x3.25 inches 76 x 83 mm |
| Power: | 5 hp 3.7 kW |
| Fuel system: | carburetor |
| Air cleaner: | oil bath |
| Rated RPM: | 3200 |
| Starter type: | hand-crank |
| Oil capacity: | 2.5 qts 2.4 L |
| Sparkplug gap: | 0.025 inches 0.635 mm |
| Intake valve clearance: | 0.008 inches 0.203 mm |
| Exhaust valve clearance: | 0.015 inches 0.381 mm |
| info | |
| 1939 - 1940, Garden tractor, David Bradley built |
| Transmission | |
| Type: | belt-driven sliding gear |
| Gears: | 2 forward and 1 reverse |
| Clutch: | mechanical belt idler |
| Sears advertised the ability to swap the engine and transmission pulleys, giving about 20% faster speeds. | |
| info | |
| 1939 - 1940, Garden tractor, David Bradley built |
| Sears Handiman R-T Tires | |
| Ag front: | 4.00x8 |
| Ag rear: | 6.00x22 |
| Dimensions | |
| Wheelbase: | 57.25 inches 145 cm |
| Ground clearance: | 18 inches 45 cm |
| Front tread: | 27/31.5/36 inches 68/80/91 cm |
| Rear tread: | 27/31.5/36 inches 68/80/91 cm |