John Deere · Letter Series series
John Deere Model B
Row-crop tractor · 1935–1952 · Distillate
The John Deere Model B was the smaller companion to the Model A, sized as roughly a two-plow tractor for small and mid-size farms. Built for an extraordinary 17 years with continual upgrades, it grew from a 149-cubic-inch engine in 1935 to 190 cubic inches by 1952. Along with the Model A, the B defined Deere's distinctive two-cylinder "Johnny Popper" era and remains one of the most collected antique tractors today.
- belt power
- 16 hp
- Weight
- 3,275 lb (1,486 kg)
- Displacement
- 149 ci (2.4 L)
- Total built
- 300,000
Specifications
| Type | Row-crop |
|---|---|
| Series | Letter Series |
| Production | 1935–1952 |
| Factory | Waterloo, Iowa, USA |
| Total built | 300,000 |
| Original price | $1,900 (1935 USD) |
| Make | John Deere |
|---|---|
| Fuel | Distillate |
| Cylinders | 2 |
| Displacement | 149 ci (2.4 L) |
| Bore × stroke | 4.25x5.25 in |
| Rated speed | 975 rpm |
| Compression | 4.71:1 |
| Cooling | liquid-cooled |
| Aspiration | Naturally aspirated |
| Drawbar power | 11.8 hp (8.8 kW) |
|---|---|
| Belt power | 16 hp (11.9 kW) |
| Nebraska test | Nebraska Test 232 |
| Transmission | sliding-gear, unsynchronized — 4 forward, 1 reverse |
|---|---|
| Chassis | 4x2 2WD |
| Rear PTO | transmission |
|---|---|
| PTO speed | 540 rpm |
| Weight | 3,275 lb (1,486 kg) |
|---|---|
| Length | 121 in (306 cm) |
| Width | 85 in (216 cm) |
| Height | 56 in (142 cm) |
| Fuel capacity | 12 gal (45.4 L) |
| Coolant | 22 qt (20.8 L) |
| Crankcase | 7 qt (6.62 L) |
| Front tires | 22x3.25 |
| Rear tires | 48x5.25 |
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