Cub Cadet 123

Cub Cadet 123The Cub Cadet 123 is a garden tractor model from the 1X2/1X3 series, manufactured from 1966 to 1967 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 123 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 a shaft-driven hydrostatic transmission with infinite forward and reverse gears.

The Cub Cadet 123 garden tractor features:

  • The Kohler K301AS gasoline engine which produces 12.1 PS (8.9 kW; 12.0 HP) at 3,600 rpm of horsepower
  • Manual steering
  • Drum brakes
  • Open operator station
  • Sleeve hitch (optional)
  • Independent front PTO with mechanical clutch

General specifications

General Specifications
Model Cub Cadet 123
Tractor type Garden tractor
Production years 1966-1967
Factory Louisville, Kentucky, USA
Dimensions and weight
Length 1,600 mm (63 in)
Width 840 mm (33.1 in)
Height 1,010 mm (39.8 in)
Wheel base 1,090 mm (42.9 in)
Ground clearance 150 mm (5.9 in)
Weight 374 kg (825 lbs)
Fuel capacity
Fuel tank capacity 7.6 liters (2 US gal.; 1.7 Imp. gal)

Engine

Engine Specifications
Engine model Kohler K301S
Engine type 4-stroke, L-head (side valve), single-cylinder
Displacement 476 cm3, (29.0 cu·in)
Bore and stroke 85.7 mm X 82.6 mm (3.37 in X 3.25 in)
Compression ratio 6.0:1
Max. horsepower 12.2 PS (9.0 kW; 12.0 HP) at 3,600 rpm
Cooling system Forced air
Lubricating system Splash type
Fuel system Carburetor
Starting system Electirc 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
Chassis 4×2 2WD
Steering type Manual
Brakes Drum
Transmission
Transmission manufacturer or model Sunstrand
Transmission type Shaft-driven hydrostatic
Gears Infinite forward and reverse
Speed Forward: 12.9 kmh (8 mph)
Reverse: 4.6 kmh (2.9 mph)
Transmission oil capacity 6.6 L (1.7 US. gal, 1.5 Imp. gal.)

Tires

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

Rear Hitch

Three-Point Hitch
Category Sleeve hitch
Control type
Lift capacity (at ends)

PTO (Power take-off shaft)

PTO
Front PTO type Independent with mechanical clutch
Front PTO speed

Electrical system

Electrical system
Ground Negative
Charging system Generator
Charging amps 15A
Battery 12V

Serial numbers

Cub Cadet 123 serial numbers
1966 U157490
1967 U180268
Final U218009

Attachments

Cub Cadet 38″ mid-mount mower deck with 3-blade and manual lift
Cutting width 960 mm (38 in)
Cut height 20-100 mm (1-40 in)
Cub Cadet 42″ mid-mount mower deck with 3-blade and manual lift
Cutting width 1,060 mm (42 in)
Cut height 20-100 mm (1-40 in)
Cub Cadet 48″ mid-mount mower deck with 3-blade and manual lift
Width 1,210 mm (48 in)
Cut height 20-100 mm (1-4 in)
Cub Cadet 42″ front-mount blade
Cutting width 1,060 mm (42 in)
Cut height 40 mm (16 in)
Cub Cadet 36″ front-mount snow blower with manual lift
Width 910 mm (36 in)

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