The Cub Cadet 1250 is a lawn tractor model from the Quietline series, manufactured from 1974 to 1980 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 1250 is equipped with a 476 L (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 hydrostatic transmission with infinite forward and reverse gears.
The Cub Cadet 1250 lawn tractor features:
- The Kohler K301AQS gasoline engine which produces 12.1 PS (8.9 kW; 12.0 HP) at 3,400 rpm of horsepower
- Manual steering
- Dry disc brakes (before 1977) or Wet disc brakes (after 1977)
- Open operator station
- Sleeve hitch (optional)
- Independent front PTO with electric clutch and 3,400 rpm
General specifications
General Specifications |
Model |
Cub Cadet 1250 |
Tractor type |
Lawn tractor |
Production years |
1974-1980 |
Factory |
Louisville, Kentucky, USA |
Dimensions and weight |
Length |
1,750 mm (68.9 in)
|
Width |
930 mm (36.6 in)
|
Height |
1,040 mm (40.9 in)
|
Wheel base |
1,110 mm (43.7 in)
|
Ground clearance |
150 mm (5.9 in)
|
Weight |
– |
Fuel capacity |
Fuel tank capacity |
7.5 liters (2 US gal.; 1.6 Imp. gal) |
Engine
Engine Specifications |
Engine model |
Kohler K301AQS |
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 |
Dry disc (before 1977)
Wet disc (after 1977)
|
Transmission |
Transmission manufacturer or model |
– |
Transmission type |
Hydrostatic |
Gears |
Infinite forward and reverse |
Speed |
Forward: 12.9 kmh (8 mph)
Reverse: 6.4 kmh (4 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 (optional) |
PTO (Power take-off shaft)
PTO |
Front PTO type |
Independent with electric clutch |
Front PTO speed |
3,400 rpm |
Electrical system
Electrical system |
Ground |
Negative |
Charging system |
Flywheel alternator |
Charging amps |
15A |
Battery |
12V |
Serial numbers
Cub Cadet 1250 serial numbers |
1974 |
530001 |
1975 |
536073 |
1976 |
572840 |
1977 |
602118 |
1978 |
621744 |
1979 |
643507 |
Attachments
Cub Cadet 38A: 38″ mid-mount mower deck with 3-blade and manual or electric (optional) lift |
Cutting width |
960 mm (38 in) |
Cut height |
30-110 mm (1.5-4.5 in) |
Cub Cadet 44A: 44″ mid-mount mower deck with 3-blade and manual or electric (optional) lift |
Cutting width |
1,110 mm (44 in) |
Cut height |
20-100 mm (1-4 in) |
Cub Cadet 50A: 50″ mid-mount mower deck with 3-blade and manual or electric (optional) lift |
Width |
1,270 mm (50 in) |
Cut height |
20-100 mm (1-4 in) |
Cub Cadet 42″ front-mount blade |
Width |
1,060 mm (42 in) |
Cub Cadet QA-36A: 36″ front-mount snow blower with manual lift |
Width |
910 mm (36 in) |
Cub Cadet QA-42A: 42″ front-mount snow blower with manual lift |
Width |
1,060 mm (42 in) |
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