Cub Cadet lawn tractors
Cub Cadet 128
The Cub Cadet 128 is a garden tractor produced from 1971 to 1974 by Cub Cadet, a part of International Harvester. It features a 12 hp Kohler K301A 476cc 1-cylinder air-cooled gasoline engine, a 3-speed gear transmission with an optional 6-speed creeper, and two-wheel drive with manual steering. The tractor has mechanical disc brakes and an open operator station. It was built in Louisville, Kentucky, USA. The 128 model supports optional sleeve hitch and rear PTO (transmission driven) with a front independent PTO. Tires are lawn/turf type with 4.80/4.00-8 front and 23x8.50-12 rear. Dimensions include a 44 inch wheelbase, 69 inch length, and 36 inch width. Attachments available include 38, 44, and 50 inch mid-mount mower decks and 36 and 42 inch front-mount snow blowers. Electrical system uses a negative ground with a Delco-Remy generator charging at 15 amps and a 12 volt battery.
Power12 hp
Founded38/44/50" deck
Model128
Technical Specifications
Detailed specifications and technical data for Cub Cadet 128
Engine
| Type | gasoline |
|---|---|
| Model | Kohler K301A |
| Power | 12 hp (8.9 kW) |
| Cooling | air-cooled |
| Idle RPM | 1000-3800 |
| Cylinders | 1-cylinder |
| Fuel tank | 2 gal (7.6 L) |
| Point gap | 0.020 inches (0.508 mm) |
| Rated RPM | 3600 |
| Sparkplug | Champion H-10 |
| Air cleaner | dry cartridge |
| Bore/Stroke | 3.375x3.25 inches (86 x 83 mm) |
| Displacement | 476 cc (29.07 ci) |
| Oil capacity | 1.5 qts (1.4 L) |
| Sparkplug gap | 0.025 inches (0.635 mm) |
| Starter volts | 12 |
| Oil change interval | 30 h |
| Intake valve clearance | 0.010 inches Cold (0.254 mm) |
| Exhaust valve clearance | 0.020 inches Cold (0.508 mm) |
Variants
| 128 | gear |
|---|---|
| 129 | hydrostatic |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
| Charging amps | 15 |
| Charging system | Delco-Remy generator |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Mechanical disc brakes |
| Steering | manual |
| Operator station | Open operator station |
Production
| Series | 1X8/1X9 Series |
|---|---|
| Built in | Louisville, Kentucky, USA |
| Years made | 1971 - 1974 |
Attachments
| 36 inch snow blower | Cub Cadet QA-36A, 36 inches width (91 cm), front-mount, manual-lift |
|---|---|
| 42 inch snow blower | Cub Cadet QA-42A, 42 inches width (106 cm), front-mount, manual-lift |
| 38 inch mid-mount mower deck | 38 inches (96 cm), 3-blade, cut height 1 to 4 inch (2 to 10 cm), Belt: IH490489-R2 (PTO), Belt: 754-3002 (deck) |
| 44 inch mid-mount mower deck | 44 inches (111 cm), 3-blade, cut height 1 to 4 inch (2 to 10 cm), Belt: IH-59971-C1 (PTO), Belt: 754-3004 (deck) |
| 50 inch mid-mount mower deck | 50 inches (127 cm), 3-blade, cut height 1 to 4 inch (2 to 10 cm), Belt: IH-59971-C1 (PTO), Belt: 754-3005 (deck) |
Transmission
| Type | gear |
|---|---|
| Gears | 3 forward and 1 reverse |
| Clutch | 4.5-inch dry disc |
| Oil type | IH Hy-Tran |
| Oil capacity | 3.5 qts (3.3 L) |
| Optional creeper | 6 forward and 2 reverse gears, 4.5-inch dry disc clutch, 3.75 qts (3.5 L) oil capacity, 4:1 reduction ratio |
Tractor hitch
| Type | sleeve hitch (optional) |
|---|
Serial Numbers
| 1971 | 400001 |
|---|---|
| 1972 | 417643 |
| 1973 | 457305 |
| 1974 | 495749 |
| Final | 529811 |
| Serial number location | on the tractor's rear-drive housing, or the left side of the tractor frame (after February 1974) |
Dimensions & Tires
| Width | 36 inches (91 cm) |
|---|---|
| Length | 69 inches (175 cm) |
| Rear tire | 23x8.50-12 |
| Wheelbase | 44 inches (111 cm) |
| Front tire | 4.80/4.00-8 |
| Rear tread | 27 inches (68 cm) |
| Front tread | 27 inches (68 cm) |
| Ground clearance | 6 inches (15 cm) |
| Height (steering wheel) | 41 inches (104 cm) |
Power Take-off (PTO)
| Clutch | mechanical |
|---|---|
| Rear PTO | transmission (optional) |
| Front PTO | independent |
| Rear PTO Type | 515 |