The Cub Cadet 73 is a 2WD lawn tractor from the 1X2/1X3 series. This tractor was manufactured by Cub Cadet (a part of International Harvester) in Louisville, Kentucky, USA from 1969 to 1971. The Cub Cadet 73 is equipped with a 0.3 L (15.9 cu·in) single-cylinder gasoline engine and one of two transmissions: a shaft-driven gear type transmission with dry disc clutch (3 forward and 1 reverse gear) or a shaft-driven gear type transmission with creeper and dry disc clutch (6 forward and 2 reverse gears).
The Cub Cadet 73 lawn tractor used the Kohler K161 engine. It is a 0.3 L, 266 cm2, (16.25 cu·in) single-cylinder natural aspirated gasoline engine with 73.0 mm (2.87 in) of the cylinder bore and 63.5 mm (2.52 in) of the piston stroke. The compression ratio rating is 6.2:1. This engine produced 7.1 PS (5.2 kW; 7.0 HP) at 3,600 rpm of output power.
The Cub Cadet 73 is equipped with manual steering, dry disc brakes, an open operator station, and 4.7 liters (1.2 US gal.; 1 Imp. gal) fuel tank.
Following attachments are available for the Cub Cadet 73 lawn tractor:
- Mid-mount Cub Cadet 960 mm (38 in) mower deck with 3-blades and manual lift or electric lift (optional)
- Mid-mount Cub Cadet 1,060 mm (42 in) mower deck with 3-blades and manual lift or electric lift (optional)
- Mid-mount Cub Cadet 1,210 mm (48 in) mower deck with 3-blades and manual lift or electric lift (optional)
- Front-mount Cub Cadet 1,060 mm (42 in) blade
- Front-mount Cub Cadet QA-36 910 mm (36 in) snowblower
- Front-mount Cub Cadet QA-42 1,060 mm (42 in) snowblower
Cub Cadet 73 Specifications
| General Specifications | |
| Model | Cub Cadet 73 |
| Length | 1,620 mm (63.8 in) |
| Width | 840 mm (33.1 in) |
| Height (steering wheel) | 1,000 mm (39.4 in) |
| Wheel base | 1,090 mm (42.9 in) |
| Ground clearance | 150 mm (5.9 in) |
| Weight | 258 kg (569 lbs) |
| Fuel tank capacity | 4.7 liters (1.2 US gal.; 1 Imp. gal) |
| Battery | 12V |
| Cabin type | Open operator station |
| Engine | |
| Engine model | Kohler K161S |
| Engine type | Four-stroke, air-cooled |
| Cylinders | 1 |
| Fuel type | Gasoline |
| Displacement | 0.3 L, 266 cm2, (16.25 cu·in) |
| Bore and stroke | 73.0 mm X 63.5 mm (2.87 in X 2.52 in) |
| Compression ratio | 6.2:1 |
| Horsepower | 7.1 PS (5.2 kW; 7.0 HP) at 3,600 rpm |
| Starter | Electric |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering type | Manual |
| Brakes | Dry disc |
| Transmission model | – |
| Transmission type | Shaft-driven gear type with dry disc clutch |
| Gears | 3 forward and 1 reverse |
| Speed | Forward: 10.9 kmh (6.8 mph) Reverse: 4.0 (2.5 mph) |
| Transmission oil capacity | 3.3 L (0.9 US. gal, 0.7 Imp. gal.) |
| Transmission model | – |
| Transmission type | Shaft-driven gear type with creeper and dry disc clutch |
| Gears | 6 forward and 2 reverse |
| Speed | Forward: 10.9 kmh (6.8 mph) Reverse: 4.0 (2.5 mph) |
| Transmission oil capacity | 3.8 L (1 US. gal, 0.8 Imp. gal.) |
| Tires | |
| Front tires | Lawn/turf: 4.80×4.00-8 |
| Rear tires | Lawn/turf: 6-12 |
| Three-Point Hitch | |
| Category | Cub Cadet three-point (optional) |
| Control type | – |
| Lift capacity (at ends) | – |
| PTO (Power take-off shaft) | |
| Front PTO type | Independent |
| Front PTO speed | 3.600 rpm |
| Rear PTO type | Transmission with mechanical dry disc |
| Rear PTO speed | 515 rpm |
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