128 by Cub Cadet lawn tractors

1971 - 1974

1971 - 1974 1X8/1X9 SeriesGarden tractor

Production

Production ManufacturerCub Cadet (a part of International Harvester) TypeGarden tractor FactoryLouisville, Kentucky, USA

Cub Cadet 128 Engine

Cub Cadet 128 Engine 12HP Kohler 476cc 1-cyl gasoline Fuel tank2 gal
7.6 L Engine details ...

1971 - 1974

1971 - 1974
1X8/1X9 Series
Garden tractor

Engine Detail

Engine Detail
Kohler K301A
gasoline
1-cylinder
air-cooled
Displacement476 cc
29.07 ci
Bore/Stroke3.375x3.25 inches
86 x 83 mm
Power12 hp
8.9 kW
Air cleanerdry cartridge
Rated RPM3600
Idle RPM1000-3800
Starter volts12
SparkplugChampion H-10
Sparkplug gap0.025 inches
0.635 mm
Point gap0.020 inches
0.508 mm
Intake valve clearance0.010 inches*Cold
0.254 mm
Exhaust valve clearance0.020 inches*Cold
0.508 mm

Engine Oil

Engine Oil
Oil capacity1.5 qts
1.4 L
Oil change30 h

Cub Cadet 128 Transmissions

Cub Cadet 128 Transmissions 3-speed gear 6-speed creeper Transmission details ...

1971 - 1974

1971 - 1974
1X8/1X9 Series
Garden tractor

Transmissions overview

Transmissions overview
3-speed gear
6-speed creeper

Transmission

Transmission
Typegear
Gears3 forward and 1 reverse
Clutch4.5-inch dry disc
Oil capacity3.5 qts
3.3 L
Oil type
IH Hy-Tran

Speeds

Speeds

Shift Pattern

Shift Pattern

Transmission

Transmission
Typecreeper
Gears6 forward and 2 reverse
Clutch4.5-inch dry disc
Oil capacity3.75 qts
3.5 L
The optional creeper provided an additional lower range. Moving the creeper shift lever forward engages direct drive, while the creeper is to the rear. The creeper ratio is a 4:1 reduction.

Speeds

Speeds

Mechanical

Mechanical Chassis4x2 2WD Steeringmanual Brakesmechanical disc CabOpen operator station.

Tractor hitch

Tractor hitch Typesleeve hitch (optional)

Power Take-off (PTO)

Power Take-off (PTO) Rear PTOtransmission (optional) Rear RPM515 Front PTOindependent Clutchmechanical

Dimensions & Tires

Dimensions & Tires Wheelbase44 inches
111 cm Front tire4.80/4.00-8 Rear tire23x8.50-12 Full dimensions and tires ...

1971 - 1974

1971 - 1974
1X8/1X9 Series
Garden tractor

Cub Cadet 128 Tires

Cub Cadet 128 Tires
Lawn/turf front4.80/4.00-8
Lawn/turf rear23x8.50-12

128 Serial Numbers

128 Serial Numbers 1971400001 1972417643 1973457305 1974495749 Final529811
FAQ: How to read a serial number table.

128 Serial Location

128 Serial Location Serial number on the tractor's rear-drive housing, or the left side of the tractor frame (after February 1974).

Electrical

Electrical Groundnegative Charging systemDelco-Remy generator Charging amps15 Battery volts12

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