The John Deere 140 is a 2WD garden tractor from the 100 series. This tractor was manufactured by the John Deere in Horicon, Wisconsin, USA from 1968 to 1974.
The JD 140 lawn tractor is equipped with one of two engines: the Kohler K301AS gasoline engine or the Kohler K321AS gasoline engine and shaft-driven hydrostatic transmission with infinite forward and reverse gears.
The John Deere 140 is equipped with manual steering; integral mechanical disc brakes (in 1968), differential mechanical disc brakes (from 1969 to 1970) and drum brakes (in 1971 and later); open operator station and 6.6 liters (1.7 US gal.; 1.5 Imp. gal) fuel tank. The JD model 140 was built in two versions the 140 H1 and the 140 H3 (three hydraulic valves).
This lawn tractor could be equipped with the following engines:
- Kohler K301AS. It is a 0.5 L, 476 cm2, (29.0 cu·in) single-cylinder natural aspirated gasoline engine with 85.7 mm (3.37 in) of the cylinder bore and 82.6 mm (3.25 in) of the piston stroke. This engine produced 12.1 PS (8.9 kW; 12.0 HP) at 3,800 rpm of maximum output power.
- Kohler K321AS. It is a 0.5 L, 512 cm2, (31.2 cu·in) single-cylinder natural aspirated gasoline engine. The cylinder bore is 88.9 mm (3.5 in) and the piston stroke is 82.6 mm (3.25 in). This engine produced 14.1 PS (10.4 kW; 14.0 HP) at 3,800 rpm of maximum output power.
Following attachments are available for the JD 140 garden tractor:
- Mid-mount John Deere 41 38 in (960 mm) mower deck with 2-blades and hydraulic lift
- Mid-mount John Deere 48 in (1,210 mm) mower deck with 3-blades and hydraulic lift
- Front-mount John Deere 54 54 in (1,370 mm) blade
John Deere 140 Specifications
| General Specifications | |
| Model | John Deere 140 |
| Length | 1,710 mm (67.3 in) |
| Width | 960 mm (37.8 in) |
| Height | 1,090 mm (42.9 in) |
| Wheel base | 1,160 mm (45.7 in) |
| Weight | 330 kg (727 lbs) |
| Fuel tank capacity | 6.6 liters (1.7 US gal.; 1.5 Imp. gal) |
| Battery | 12V, 40Ah |
| Cabin type | Open operator station |
| Engine | |
| Engine model | Kohler K301AS |
| Engine type | Four-stroke, air-cooled, inline |
| Cylinders | 1 |
| Fuel type | Gasoline |
| Displacement | 0.5 L, 476 cm2, (29.0 cu·in) |
| Bore and stroke | 85.7 mm X 82.6 mm (3.37 in X 3.25 in) |
| Horsepower | 12.1 PS (8.9 kW; 12.0 HP) at 3,800 rpm |
| Starter | Electric |
| Oil type | API SF or SG; SAE 5W-20, 5W-30 |
| Oil capacity: | 1.4 L (1.5 US. qt, 1.2 Imp. qt.) |
| Spark plug | Champion RH10 |
| Spark plug gap | 0.65 mm (0.0256 in) |
| 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) |
| Engine | |
| Engine model | Kohler K321AS |
| Engine type | Four-stroke, air-cooled, inline |
| Cylinders | 1 |
| Fuel type | Gasoline |
| Displacement | 0.5 L, 512 cm2, (31.2 cu·in) |
| Bore and stroke | 88.9 mm X 82.6 mm (3.5 in X 3.25 in) |
| Horsepower | 14.1 PS (10.4 kW; 13.9 HP) at 3,800 rpm |
| Starter | electric |
| Oil type | API SF or SG; SAE 5W-20, 5W-30 |
| Oil capacity: | 1.4 L (1.5 US. qt, 1.2 Imp. qt.) |
| Spark plug | Champion RH10 |
| Spark plug gap | 0.65 mm (0.0256 in) |
| 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) |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering type | Manual |
| Brakes |
Integral mechanical disc brakes (in 1968) Differential mechanical disc brakes (from 1969 to 1970) Drum brakes (in 1971 and later) |
| Transmission model | Sundstrand 15 |
| Transmission type | Shaft-driven hydrostatic |
| Gears | Infinite forward and reverse |
| Speed | Forward: 10.9 kmh (6.8 mph) Reverse: 6.0 (3.7 mph) |
| Transmission oil capacity | 4.7 L (1.2 US. gal, 1 Imp. gal.) |
| Tires | |
| Front tires | Ag: 4.80/4.00-8 Lawn/turf: 16×6.50-8 |
| Rear tires | Ag: 23×8.50-12 Lawn/turf: 23×8.50-12 |
| PTO (Power take-off shaft) | |
| Front PTO type | Independent with electric clutch |
| Front PTO spped | – |
| Rear PTO type | Live |
| Rear PTO spped | – |
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