The John Deere STX30 is a 2WD lawn tractor from the STX series. This tractor was manufactured by John Deere in Horicon, Wisconsin, USA from 1988 to 1993. The John Deere STX30 is equipped with a 0.4 L (24.3 cu·in) single-cylinder gasoline engine and a gear type transmission with 5 forward and 1 reverse gear.
The John Deere STX30 lawn tractor used the Kohler CF12.5-1216S engine. It is a 0.4 L, 398 cm2, (24.3 cu·in) single-cylinder natural aspirated gasoline engine with 87.0 mm (3.43 in) of the cylinder bore and 67.0 mm (2.64 in) of the piston stroke. The compression ratio rating is 8.9:1. This engine produced 9.1 PS (6.7 kW; 9.0 HP) at 3,350 rpm of output power.
The John Deere STX30 is equipped with manual sector-and-pinion steering, integral mechanical disc brakes, open operator station, and 4.7 liters (1.2 US gal.; 1 Imp. gal) fuel tank.
Following attachments are available for the John Deere STX30 lawn tractor:
- Mid-mount John Deere 30 in (760 mm) mower deck with 1-blade and manual lift
- Front-mount John Deere 2461M 38 in (960 mm) single-stage snow blower with manual lift
John Deere STX30 Specifications
| General Specifications | |
| Model | John Deere STX30 |
| Length | 1,520 mm (59.8 in) |
| Width | 1,100 mm (43.3 in) |
| Height | 980 mm (38.6 in) |
| Wheel base | 1,130 mm (44.5 in) |
| Weight | 189 kg (417 lbs) |
| Fuel tank capacity | 4.7 liters (1.2 US gal.; 1 Imp. gal) |
| Battery | 12V, CCA 200A |
| Cabin type | Open operator station |
| Engine | |
| Engine model | Kohler CF12.5-1216S |
| Engine type | Four-stroke, air-cooled |
| Cylinders | 1 |
| Fuel type | Gasoline |
| Displacement | 0.4 L, 398 cm2, (24.3 cu·in) |
| Bore and stroke | 87.0 mm X 67.0 mm (3.43 in X 2.64 in) |
| Compression ratio | 8.9:1 |
| Horsepower | 9.1 PS (6.7 kW; 9.0 HP) at 3,350 rpm |
| Starter | Electric |
| Oil capacity: | 1.9 L (2 US. qt, 1.7 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering type | Manual sector-and-pinion |
| Brakes | Integral mechanical disc |
| Transmission model | Peerless 920 |
| Transmission type | Gear type |
| Gears | 5 forward and 1 reverse |
| Speed | Forward: 8.5 kmh (5.3 mph) Reverse: 3.3 (2.1 mph) |
| Tires | |
| Front tires | Lawn/turf: 13×5-6 |
| Rear tires | Lawn/turf: 18×6.5-8 |
| PTO (Power take-off shaft) | |
| Middle PTO type | Independent with electric clutch |
| Middle PTO speed | – |

can you send me the technical data and schematics for the drivetrain and engine, for the john deere stx 30 mower?
Need transmission for my STX 30 lawn tractor