Cub Cadet 128

Cub Cadet 128The Cub Cadet 128 is a garden tractor model from the 1X8/1X9 series, manufactured from 1971 to 1974 by Cub Cadet (a part of International Harvester) in Louisville, Kentucky, USA. It was available in a two-wheel drive (2WD) version.

The Cub Cadet 128 is equipped with a 476 cc (29.0 cu·in) single-cylinder gasoline engine with 85.7 mm (3.37 in) of the cylinder bore and 82.6 mm (3.25 in) of the piston stroke, and one of two transmissions: a gear type transmission with 3 forward and 1 reverse gear (6 forward and 2 reverse gears with creeper).

The Cub Cadet 128 garden tractor features:

  • The Kohler K301A gasoline engine which produces 12.1 PS (8.9 kW; 12.0 HP) at 3,600 rpm of horsepower
  • Manual steering
  • Mechanical disc brakes
  • Open operator station
  • The rear sleeve hitch (optional)
  • Front PTO (optional)
  • Transmission rear PTO (optional) with 515 rpm

General specifications

General Specifications
ModelCub Cadet 128
Tractor typeGarden tractor
Production years1971-1974
FactoryLouisville, Kentucky, USA
Dimensions and weight
Length1,750 mm (68.9 in)
Width910 mm (35.8 in)
Height1,040 mm (40.9 in)
Wheel base1,110 mm (43.7 in)
Ground clearance150 mm (5.9 in)
Weight
Fuel capacity
Fuel tank capacity7.6 liters (2 US gal.; 1.7 Imp. gal)

Engine

Engine Specifications
Engine modelKohler K301S
Engine type4-stroke, L-head (side valve), single-cylinder
Displacement476 cm3, (29.0 cu·in)
Bore and stroke85.7 mm X 82.6 mm (3.37 in X 3.25 in)
Max. horsepower12.2 PS (9.0 kW; 12.0 HP) at 3,600 rpm
Cooling systemForced air
Lubricating systemSplash type
Fuel systemCarburetor
Starting systemElectirc starter
Compression pressure
Normal:7.7-8.4 kg/cm2 (7.6-8.3 bar, 110-120 psi) / 1,000 rpm
Valve clearance
Intake valve clearance:0.20-0.25 mm (0.0079-0.0098 in)
Exhaust valve clearance:0.43-0.48 mm (0.0169-0.0189 in)
Oil system
Lubrication system:Splash type
Oil type:API SF or SG
Recommended oil: Summer: SAE 30W
Winter: SAE 5W-20, 5W-30
Oil capacity:1.4 L (1.5 US. qt, 1.2 Imp. qt.)
Ignition system
Spark plug:Champion RH10
Spark plug gap:0.65 mm (0.0256 in)
Spark plug torque:27 N·m (2.8 kg·m, 19.9 ft·lb)

Transmission and chassis

Chassis, steering and brakes
Chassis4×2 2WD
Steering typeManual
BrakesMechanical disc
Transmission
Transmission manufacturer or model
Transmission typeGear type with dry disc clutch
Gears3 forward and 1 reverse
Speed Forward: 10.9 kmh (6.8 mph)
Reverse: 4.0 kmh (2.5 mph)
Transmission oil capacity3.3 L (0.9 US. gal, 0.7 Imp. gal.)
Transmission № 2
Transmission manufacturer or model
Transmission typeCreeper
Gears6 forward and 2 reverse
Speed Forward: 10.9 kmh (6.8 mph)
Reverse: 4.0 kmh (2.5 mph)
Transmission oil capacity3.8 L (1 US. gal, 0.8 Imp. gal.)

Tires

Tires
Front tiresLawn/turf: 4.80×4.00-8
Rear tiresLawn/turf: 23×8.50-12

Rear Hitch

Three-Point Hitch
CategorySleeve hitch (optional)
Control type
Lift capacity (at ends)

PTO (Power take-off shaft)

PTO
Front PTO typeOptional
Front PTO speed
Rear PTO typeTransmission (optional)
Rear PTO speed515 rpm

Electrical system

Electrical system
GroundNegative
Charging systemDelco-Remy generator
Charging amps15A
Battery12V

Serial numbers

Cub Cadet 128 serial numbers
1971400001
1972417643
1973457305
1974495749
Final529811

Attachments

Cub Cadet 38″ mid-mount mower deck with 3-blade
Cutting width960 mm (38 in)
Cut height20-100 mm (1-4 in)
Cub Cadet 44″ mid-mount mower deck with 3-blade
Cutting width1,110 mm (44 in)
Cut height20-100 mm (1-4 in)
Cub Cadet 50″ mid-mount mower deck with 3-blade
Width1,270 mm (50 in)
Cut height20-100 mm (1-4 in)
Cub Cadet QA-36A: 36″ front-mount snow blower with manual lift
Width910 mm (36 in)
Cub Cadet QA-42A: 42″ front-mount snow blower with manual lift
Width1,060 mm (42 in)
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

ATTENTION! Dear visitors, this is an informational database of technical specifications, we are not a parts supplier or a marketplace.

We try to use official documentation and verify the published data, but errors may occur. In addition, specifications of machinery and equipment may vary depending on markets and modifications. We do not recommend the use of this data for spare parts or repairs. Use official service manuals or parts catalogs for your product.

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