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FarmallModel A
Farmall 1066
Row Crop
- power
- 108 hp
- displacement
- 414 ci
- Cylinders
- 6
- Forward gears
- 8
Head to head · Row Crop
Row Crop

Row Crop
How they compare
1066 is in the 66th percentile; Super A-1 is in the 2nd · 1,409 models
1066 is in the 50th percentile; Super A-1 is in the 17th · 1,417 models
1066 is in the 16th percentile; Super A-1 is in the 4th · 1,200 models
1066 is in the 30th percentile; Super A-1 is in the 1st · 1,157 models
Full comparison
| Spec | Farmall 1066 | Farmall Super A-1 | Difference |
|---|---|---|---|
| Manufacturer | Farmall | Farmall | Same |
| Model | 1066 | Super A-1 | — |
| Category | Row Crop | Row Crop | Same |
| Spec | Farmall 1066 | Farmall Super A-1 | Difference |
|---|---|---|---|
| Manufacturer | International Harvester | International Harvester | Same |
| Model | DT414 | C-123 | — |
| Power Output | 108hp | Not recorded | — |
| Rated RPM | 2,400RPM | 1,450RPM | ▲ 1066+950 RPM · +66% |
| Cylinders | 6 | 4 | ▲ 1066+2 · +50% |
| Displacement | 414ci | 123ci | ▲ 1066+291 ci · +237% |
| Bore | 4.3in | 3.1in | ▲ 1066+1.2 in · +39% |
| Stroke | 4.8in | 4in | ▲ 1066+0.8 in · +20% |
| Spec | Farmall 1066 | Farmall Super A-1 | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
| Spec | Farmall 1066 | Farmall Super A-1 | Difference |
|---|---|---|---|
| Length | 165in | 107in | ▲ 1066+58 in · +54% |
| Width | 98in | 55.9in | ▲ 1066+42.1 in · +75% |
| Height | Not recorded | 81.8in | — |
| Operating Weight | 12,150lb | Not recorded | — |
| Spec | Farmall 1066 | Farmall Super A-1 | Difference |
|---|---|---|---|
| System Type | Open center | Not recorded | — |
| Steering Type | Hydrostatic power | Manual | — |
| Spec | Farmall 1066 | Farmall Super A-1 | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 540rpm | Not recorded | — |
| Speed 2 | 1,000rpm | Not recorded | — |
| Spec | Farmall 1066 | Farmall Super A-1 | Difference |
|---|---|---|---|
| Hitch Category | III/II | Not recorded | — |
| Hitch Capacity | 5,600lb | Not recorded | — |
| Spec | Farmall 1066 | Farmall Super A-1 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Hydrostatic power | Manual | — |
| Brake Type | Double dry disc, hydrostatic power self-adjusting | Not recorded | — |
| Spec | Farmall 1066 | Farmall Super A-1 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Farmall 1066 | Farmall Super A-1 | Difference |
|---|---|---|---|
| Coolant | 6.3gal | 3.8gal | ▲ 1066+2.5 gal · +66% |
| Spec | Farmall 1066 | Farmall Super A-1 | Difference |
|---|---|---|---|
| Type | Open operator station | Not recorded | — |
Category context