| Manufacturer | John Deere |
| Price | 30,000(USD) |
| Model | A |
| Equipment Type | Row-Crop Tractors |
| Factory | Waterloo, Iowa, USA |
ENGINE DETAIL
The John Deere A tractor features a robust 5.1L 2-cylinder engine with a low compression ratio of 4.45:1, making it suitable for all-fuel operation, although the low RPM rating of 975 indicates its intended use for lower-speed applications. The manual hand-crank starter can pose challenges for ease of use, especially in cold conditions, while the oil bath air cleaner offers superior dust filtration, enhancing engine longevity. Regular valve clearance maintenance is critical, with both intake and exhaust clearances set at 0.020 inches hot, influencing performance and efficiency.
| Description | John Deere all fuel 2-cylinder 4-valve liquid-cooled horizontal |
| Displacement | 309ci / 5.1L |
| Bore/Stroke | 5.50x6.50inches / 140x 165mm |
| Air cleaner | oil bath |
| Compression | 4.45:1 |
| Rated RPM | 975 |
| Firing order | 1-2 |
| Starter type | manual *Hand-crank of tractor flywheel |
| Oil capacity | 9.25qts / 8.8L |
| Coolant capacity | 38qts / 36.0L |
| Sparkplug gap | .030inches / 0.762mm |
| Point gap | 0.021inches / 0.533mm |
| Intake valve clearance | 0.020inches*Hot / 0.508mm |
| Exhaust valve clearance | 0.020inches*Hot / 0.508mm |
JOHN DEERE A ENGINE
The John Deere A tractor features a robust 5.1L 2-cylinder engine, allowing for versatility with all-fuel capability, which can optimize performance depending on available fuel types. With a 14-gallon (53L) main fuel tank and a 1-gallon (3.8L) auxiliary fuel tank, it provides extended operational capacity, making it suitable for long-duration tasks without frequent refueling. However, the limited size of the auxiliary fuel tank may pose a challenge in scenarios requiring quick fuel source switching without adequate planning.
| Description | John Deere 5.1L 2-cyl all fuel |
| Fuel tank | 14gal / 53.0L |
| Aux. fuel | 1gal / 3.8L |
TRANSMISSION
The John Deere A tractor, featuring unsynchronized gears with a configuration of 4 forward and 1 reverse, offers straightforward operation suited for basic agricultural tasks. The dry disc clutch provides reliable engagement but may require more frequent maintenance compared to wet clutches due to wear over time. This tractor is ideal for smaller farms or vintage machinery enthusiasts, but operators should be aware of potential challenges with gear shifting under load due to the unsynchronized design.
| Manufacture | John Deere |
| Type | unsynchronized gear |
| Gears | 4 forward and 1 reverse |
| Clutch | dry disc |
JOHN DEERE A TRANSMISSION
The John Deere A tractor features a 4-speed unsynchronized transmission, which allows for straightforward gear selection suitable for varying field conditions. However, operators may face challenges with gear shifting under load due to the lack of synchronizers, potentially leading to increased wear on the transmission. A key advantage is its simplicity and durability, making it ideal for small-scale farming and restoration projects.
| Description | 4-speed unsynchronized gear |
MECHANICAL
The John Deere A tractor features a two-wheel drive system, which enhances maneuverability in less demanding terrain but may limit traction in challenging conditions. Its mechanical expanding shoe brakes offer reliable stopping power, though they may require more frequent maintenance compared to modern hydraulic systems. The open operator station, paired with manual steering, provides excellent visibility and operator comfort, but could be a challenge during extended use in harsh weather conditions.
| Description | Two-wheel drive Differential mechanical expanding shoe brakes Open operator station with steel pan seat |
| Steering | manual |
POWER TAKE-OFF (PTO)
| Rear PTO | transmission |
| Rear RPM | 540 |
JOHN DEERE A TIRES
The John Deere A features Ag fronts with a 5.50x16 tire size, providing adequate traction and stability for lighter agricultural tasks. Its Ag rear tires, sized at 9/10/11.25x36, enhance load-carrying capacity and improve power-to-ground efficiency, making it suitable for heavier implements. However, the tractor's overall size and tire dimensions may limit maneuverability in tighter spaces, so it's best suited for larger fields.
| Ag front | 5.50x16 |
| Ag rear | 9/10/11.25x36 |
DIMENSIONS & TIRES
The John Deere A tractor, weighing 3783 lbs (1715 kg), is designed for robust agricultural tasks, benefitting from its substantial weight that enhances traction. The front tires (24x4) and rear tires (50x6) configuration provides stability and support for diverse terrain, but the larger rear tires may introduce challenges in maneuverability in tight spaces. With its tire size, it's well-suited for plowing, but users should consider the balance between power delivery and soil compaction in varied field conditions.
| Weight | 3783lbs / 1715kg |
| Front tire | 24x4 |
| Rear tire | 50x6 |
A SERIAL NUMBERS
| 193 | 477000 |
| 1949 | 611921 |
| 1952 | 682602 |
| Final | 703384 |
A SERIAL LOCATION
| Description | Serial number plate on the left side of tractor, above the flywheel |