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Cub Cadet 128

Cub Cadet 128 tractor
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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.
Cub Cadet 128garden tractorKohler K301A engine12 hp3-speed gear transmissionmower deckssnow blowertractor specs
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