Cub Cadet lawn tractors
Cub Cadet 73
The Cub Cadet 73 is a garden tractor produced from 1969 to 1971 by Cub Cadet, a part of International Harvester. It features a 7 hp Kohler K-161 1-cylinder air-cooled gasoline engine with 262 cc displacement. The tractor offers 3-speed and optional 6-speed gear transmissions with a 4.5-inch dry disc clutch. It has two-wheel drive, manual steering, and dry disc brakes. The tractor includes a rear transmission PTO and optional three-point hitch. Dimensions include a 43-inch wheelbase, 64-inch length, and 570 lbs shipping weight. Attachments include various mid-mount mower decks, snowblowers, and blades.
Power7 hp
Founded38/42/48" deck
Model73
Technical Specifications
Detailed specifications and technical data for Cub Cadet 73
Engine
| Type | gasoline |
|---|---|
| Model | Kohler K-161 |
| Power | 7 hp (5.2 kW) |
| Torque | 11.2 lb-ft (15.2 Nm) |
| Cooling | air-cooled |
| Idle RPM | 1000-3800 |
| Cylinders | 1-cylinder |
| Fuel tank | 1.25 gal (4.7 L) |
| Point gap | 0.020 inches (0.508 mm) |
| Rated RPM | 3600 |
| Sparkplug | Champion J-8 |
| Torque RPM | 2200 |
| Bore/Stroke | 2.875x2.50 inches (73 x 64 mm) |
| Compression | 6.2:1 |
| Displacement | 262 cc (16 ci) |
| Sparkplug gap | 0.025 inches (0.635 mm) |
| Starter volts | 12 |
| Engine oil capacity | 1.25 qts (1.2 L) |
| Intake valve clearance | 0.006 inches (cold) (0.152 mm) |
| Exhaust valve clearance | 0.017 inches (cold) (0.432 mm) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
| Charging amps | 15 |
| Charging system | generator |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Dry disc brakes |
| Steering | manual |
| Operator station | Open operator station with steel pan seat |
Production
| Series | 1X6/1X7 Series |
|---|---|
| Built in | Louisville, Kentucky, USA |
| Years made | 1969 - 1971 |
Attachments
| Overview | 38" mid-mount mower deck, 42" mid-mount mower deck, 48" mid-mount mower deck, snowblower, blade |
|---|---|
| 42" Blade | front-mount, 42 inches width (106 cm), 16 inches height (40 cm) |
| 38" Mower deck | 38 inches (96 cm), manual lift, electric optional lift, Cut height: 1 to 4 inch (2 to 10 cm) |
| 42" Mower deck | 42 inches (106 cm), manual lift, electric optional lift, Cut height: 1 to 4 inch (2 to 10 cm) |
| 48" Mower deck | 48 inches (121 cm), manual lift, electric optional lift, Cut height: 1 to 4 inch (2 to 10 cm) |
| 36" Snow blower | Cub Cadet QA-36, 36 inches width (91 cm), two-stage, front-mount, 170 lbs (77 kg) |
| 42" Snow blower | Cub Cadet QA-42, 42 inches width (106 cm), two-stage, front-mount, 180 lbs (81 kg) |
Transmission
| Type | gear |
|---|---|
| Gears | 3 forward and 1 reverse (standard), 6 forward and 2 reverse (creeper) |
| Clutch | 4.5-inch dry disc |
| Options | 3-speed gear, 6-speed |
| Controls | 1: Clutch/brake, 2: Throttle, 3: Gear shift |
| Oil type | IH Hy-Tran |
| Oil capacity | 3.5 qts (3.3 L) transmission, 0.5 qts (0.5 L) creeper |
| Creeper range | Optional creeper range is engaged by a lever on the left side of the drive line |
Tractor hitch
| Type | Cub Cadet three-point Optional |
|---|
Dimensions & Tires
| Width | 33.25 inches (84 cm) |
|---|---|
| Length | 64 inches (162 cm) |
| Rear tire | 6-12 |
| Wheelbase | 43 inches (109 cm) |
| Front axle | Cast-iron |
| Front tire | 4.80/4.00-8 |
| Rear tread | 27 inches (68 cm) |
| Front tread | 27 inches (68 cm) |
| Shipping weight | 570 lbs (258 kg) |
| Ground clearance | 6 inches (15 cm) |
| Height (steering wheel) | 39.75 inches (100 cm) |
Power Take-off (PTO)
| Clutch | mechanical dry disc |
|---|---|
| Rear PTO | transmission |
| Rear PTO Type | 515 (0.937) |
| Front PTO Type | 3600 |