Cub Cadet lawn tractors

Cub Cadet 129

The Cub Cadet 129 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 and a hydrostatic transmission with infinite forward and reverse speeds. The tractor is two-wheel drive with manual steering and mechanical disc brakes. It has an open operator station and optional sleeve hitch. The 129 model includes independent front PTO with mechanical clutch. Dimensions include a 44 inch wheelbase, 69 inch length, and 36 inch width. Tires are 4.80/4.00-8 front and 23x8.50-12 rear. Attachments available include 38, 44, and 50 inch mid-mount mower decks and 36 and 42 inch front-mount snow blowers. The tractor was built in Louisville, Kentucky, USA.
Power12 hp
Founded38/44/50" deck
Model129

Technical Specifications

Detailed specifications and technical data for Cub Cadet 129

Engine
Typegasoline
ModelKohler K301A
Power12 hp (8.9 kW)
Coolingair-cooled
Idle RPM1000-3800
Cylinders1-cylinder
Fuel tank2 gal (7.6 L)
Point gap0.020 inches (0.508 mm)
Rated RPM3600
SparkplugChampion H-10
Air cleanerdry cartridge
Bore/Stroke3.375x3.25 inches (86 x 83 mm)
Displacement476 cc (29.07 ci)
Oil capacity1.5 qts (1.4 L)
Sparkplug gap0.025 inches (0.635 mm)
Starter volts12
Oil change interval30 h
Intake valve clearance0.010 inches Cold (0.254 mm)
Exhaust valve clearance0.020 inches Cold (0.508 mm)
Variants
128gear
129hydrostatic
Electrical
Groundnegative
Battery volts12
Charging amps15
Charging systemDelco-Remy generator
Mechanical
DriveTwo-wheel drive
BrakesMechanical disc brakes
Steeringmanual
Operator stationOpen operator station
Production
Years1971 - 1974
Series1X8/1X9 Series
Built inLouisville, Kentucky, USA
Attachments
NoteGarden tractors are capable of using tillers, plows, or other ground-engaging attachments.
36" Snow blowerCub Cadet QA-36A, 36 inches width (91 cm), front-mount, manual-lift
42" Snow blowerCub Cadet QA-42A, 42 inches width (106 cm), front-mount, manual-lift
38" mid-mount mower deck38 inches (96 cm), 3-blade, Cut height: 1 to 4 inch (2 to 10 cm), Belt: IH490489-R2 (PTO), Belt: 754-3002 (deck)
44" mid-mount mower deck44 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" mid-mount mower deck50 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
Typehydrostatic
Gearsinfinite forward and reverse
Oil typeIH Hy-Tran
Oil capacity7 qts (6.6 L)
Tractor hitch
Typesleeve hitch (optional)
Serial Numbers
1971400001
1972417643
1973457305
1974495749
Final529811
LocationTractor's rear-drive housing, or the left side of the tractor frame (after February 1974)
Dimensions & Tires
Width36 inches (91 cm)
Length69 inches (175 cm)
Rear tire23x8.50-12
Wheelbase44 inches (111 cm)
Front tire4.80/4.00-8
Rear tread27 inches (68 cm)
Front tread27 inches (68 cm)
Ground clearance6 inches (15 cm)
Height (steering wheel)41 inches (104 cm)
Power Take-off (PTO)
Clutchmechanical
Front PTOindependent